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-rw-r--r--sysdeps/ieee754/dbl-64/asincos.tbl1
-rw-r--r--sysdeps/ieee754/dbl-64/atnat.h1
-rw-r--r--sysdeps/ieee754/dbl-64/atnat2.h1
-rw-r--r--sysdeps/ieee754/dbl-64/branred.c1
-rw-r--r--sysdeps/ieee754/dbl-64/branred.h1
-rw-r--r--sysdeps/ieee754/dbl-64/dla.h1
-rw-r--r--sysdeps/ieee754/dbl-64/e_acosh.c1
-rw-r--r--sysdeps/ieee754/dbl-64/e_atanh.c1
-rw-r--r--sysdeps/ieee754/dbl-64/e_cosh.c1
-rw-r--r--sysdeps/ieee754/dbl-64/e_fmod.c1
-rw-r--r--sysdeps/ieee754/dbl-64/e_gamma_r.c1
-rw-r--r--sysdeps/ieee754/dbl-64/mydefs.h1
-rw-r--r--sysdeps/ieee754/dbl-64/powtwo.tbl1
-rw-r--r--sysdeps/ieee754/dbl-64/root.tbl1
-rw-r--r--sysdeps/ieee754/dbl-64/s_cbrt.c2
-rw-r--r--sysdeps/ieee754/dbl-64/s_floor.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_fma.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_fmaf.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_fpclassify.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_frexp.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_isinf.c2
-rw-r--r--sysdeps/ieee754/dbl-64/s_llrint.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_llround.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_logb.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_lrint.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_modf.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_nearbyint.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_remquo.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_round.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_signbit.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_sincos.c1
-rw-r--r--sysdeps/ieee754/dbl-64/s_trunc.c1
-rw-r--r--sysdeps/ieee754/dbl-64/sincostab.c1
-rw-r--r--sysdeps/ieee754/dbl-64/uasncs.h1
-rw-r--r--sysdeps/ieee754/dbl-64/uatan.tbl1
-rw-r--r--sysdeps/ieee754/dbl-64/urem.h1
-rw-r--r--sysdeps/ieee754/dbl-64/usncs.h1
-rw-r--r--sysdeps/ieee754/dbl-64/utan.h1
-rw-r--r--sysdeps/ieee754/dbl-64/utan.tbl1
-rw-r--r--sysdeps/ieee754/flt-32/e_acosf.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_acoshf.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_asinf.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_atan2f.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_atanhf.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_coshf.c2
-rw-r--r--sysdeps/ieee754/flt-32/e_fmodf.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_gammaf_r.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_hypotf.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_ilogbf.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_j0f.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_j1f.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_jnf.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_lgammaf_r.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_log10f.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_remainderf.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_sinhf.c1
-rw-r--r--sysdeps/ieee754/flt-32/e_sqrtf.c1
-rw-r--r--sysdeps/ieee754/flt-32/k_tanf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_asinhf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_atanf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_cbrtf.c2
-rw-r--r--sysdeps/ieee754/flt-32/s_ceilf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_copysignf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_erff.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_expm1f.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_fabsf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_finitef.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_floorf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_fpclassifyf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_frexpf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_isinff.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_isnanf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_llrintf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_llroundf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_log1pf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_logbf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_lrintf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_lroundf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_modff.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_nearbyintf.c2
-rw-r--r--sysdeps/ieee754/flt-32/s_nextafterf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_remquof.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_rintf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_roundf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_scalblnf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_scalbnf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_signbitf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_tanf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_tanhf.c1
-rw-r--r--sysdeps/ieee754/flt-32/s_truncf.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/e_acoshl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/e_atan2l.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/e_atanhl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/e_expl.c3
-rw-r--r--sysdeps/ieee754/ldbl-128/e_fmodl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/e_gammal_r.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/e_hypotl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/e_ilogbl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/e_rem_pio2l.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/e_remainderl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/e_sinhl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/k_cosl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/k_sincosl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/k_sinl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_asinhl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/s_ceill.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_copysignl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_cosl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_fabsl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_finitel.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_floorl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_fma.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_fmal.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_fpclassifyl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/s_frexpl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_isinfl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/s_isnanl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_llrintl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/s_llroundl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/s_logbl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_lrintl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/s_lroundl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/s_modfl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_nearbyintl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_nextafterl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_remquol.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/s_rintl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_roundl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/s_scalblnl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_scalbnl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_signbitl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_sincosl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/s_sinl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_tanhl.c5
-rw-r--r--sysdeps/ieee754/ldbl-128/s_tanl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128/s_truncl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128/t_expl.h1
-rw-r--r--sysdeps/ieee754/ldbl-128/t_sincosl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_atan2l.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_expl.c3
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_fmodl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c2
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_ilogbl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_rem_pio2l.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/e_remainderl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/k_cosl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/k_sincosl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/k_sinl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/printf_fphex.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_copysignl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_cosl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_fabsl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_finitel.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_fmal.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_frexpl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_isinfl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_isnanl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_logbl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_modfl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_remquol.c2
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_scalblnl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_scalbnl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_signbitl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_sincosl.c2
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_sinl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/s_tanl.c1
-rw-r--r--sysdeps/ieee754/ldbl-128ibm/t_sincosl.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/e_acoshl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/e_atanhl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/e_gammal_r.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/e_hypotl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/e_rem_pio2l.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/e_sinhl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/k_cosl.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/k_sinl.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/s_asinhl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/s_cbrtl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/s_copysignl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/s_cosl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/s_fma.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/s_fmal.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/s_frexpl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/s_llrintl.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/s_llroundl.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/s_lrintl.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/s_lroundl.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/s_modfl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/s_nexttowardf.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/s_remquol.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/s_roundl.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/s_scalblnl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/s_signbitl.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/s_sincosl.c1
-rw-r--r--sysdeps/ieee754/ldbl-96/s_sinl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/s_tanhl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/s_tanl.c2
-rw-r--r--sysdeps/ieee754/ldbl-96/t_sincosl.c1
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-compat.c1
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-compat.h1
201 files changed, 0 insertions, 247 deletions
diff --git a/sysdeps/ieee754/dbl-64/asincos.tbl b/sysdeps/ieee754/dbl-64/asincos.tbl
index 316d9ac77b..8b446890b4 100644
--- a/sysdeps/ieee754/dbl-64/asincos.tbl
+++ b/sysdeps/ieee754/dbl-64/asincos.tbl
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/atnat.h b/sysdeps/ieee754/dbl-64/atnat.h
index 2b12481f04..6f8f1de1fd 100644
--- a/sysdeps/ieee754/dbl-64/atnat.h
+++ b/sysdeps/ieee754/dbl-64/atnat.h
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/atnat2.h b/sysdeps/ieee754/dbl-64/atnat2.h
index f9f8debd55..6d1298c200 100644
--- a/sysdeps/ieee754/dbl-64/atnat2.h
+++ b/sysdeps/ieee754/dbl-64/atnat2.h
@@ -1,7 +1,6 @@
 
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/branred.c b/sysdeps/ieee754/dbl-64/branred.c
index 1450db3aab..77c80ec994 100644
--- a/sysdeps/ieee754/dbl-64/branred.c
+++ b/sysdeps/ieee754/dbl-64/branred.c
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/branred.h b/sysdeps/ieee754/dbl-64/branred.h
index b53714d7b5..09c9415460 100644
--- a/sysdeps/ieee754/dbl-64/branred.h
+++ b/sysdeps/ieee754/dbl-64/branred.h
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/dla.h b/sysdeps/ieee754/dbl-64/dla.h
index 37e96be931..a8d4bbf325 100644
--- a/sysdeps/ieee754/dbl-64/dla.h
+++ b/sysdeps/ieee754/dbl-64/dla.h
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/e_acosh.c b/sysdeps/ieee754/dbl-64/e_acosh.c
index a241366f30..bd35014300 100644
--- a/sysdeps/ieee754/dbl-64/e_acosh.c
+++ b/sysdeps/ieee754/dbl-64/e_acosh.c
@@ -1,4 +1,3 @@
-/* Optimized for 64-bit by Ulrich Drepper <drepper@gmail.com>, 2012 */
 /*
  * ====================================================
  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
diff --git a/sysdeps/ieee754/dbl-64/e_atanh.c b/sysdeps/ieee754/dbl-64/e_atanh.c
index db1f69f953..6eea587a5f 100644
--- a/sysdeps/ieee754/dbl-64/e_atanh.c
+++ b/sysdeps/ieee754/dbl-64/e_atanh.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/e_cosh.c b/sysdeps/ieee754/dbl-64/e_cosh.c
index 81de5ae6bd..1c92081676 100644
--- a/sysdeps/ieee754/dbl-64/e_cosh.c
+++ b/sysdeps/ieee754/dbl-64/e_cosh.c
@@ -1,4 +1,3 @@
-/* Optimized by Ulrich Drepper <drepper@gmail.com>, 2011 */
 /*
  * ====================================================
  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
diff --git a/sysdeps/ieee754/dbl-64/e_fmod.c b/sysdeps/ieee754/dbl-64/e_fmod.c
index 52a8687448..60b8bbb9d2 100644
--- a/sysdeps/ieee754/dbl-64/e_fmod.c
+++ b/sysdeps/ieee754/dbl-64/e_fmod.c
@@ -1,4 +1,3 @@
-/* Rewritten for 64-bit machines by Ulrich Drepper <drepper@gmail.com>.  */
 /*
  * ====================================================
  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
diff --git a/sysdeps/ieee754/dbl-64/e_gamma_r.c b/sysdeps/ieee754/dbl-64/e_gamma_r.c
index eb36a9f464..93edb485dc 100644
--- a/sysdeps/ieee754/dbl-64/e_gamma_r.c
+++ b/sysdeps/ieee754/dbl-64/e_gamma_r.c
@@ -1,7 +1,6 @@
 /* Implementation of gamma function according to ISO C.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/mydefs.h b/sysdeps/ieee754/dbl-64/mydefs.h
index a73c4de2c1..a47c89510a 100644
--- a/sysdeps/ieee754/dbl-64/mydefs.h
+++ b/sysdeps/ieee754/dbl-64/mydefs.h
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/powtwo.tbl b/sysdeps/ieee754/dbl-64/powtwo.tbl
index e395befb90..b5f3c32e44 100644
--- a/sysdeps/ieee754/dbl-64/powtwo.tbl
+++ b/sysdeps/ieee754/dbl-64/powtwo.tbl
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/root.tbl b/sysdeps/ieee754/dbl-64/root.tbl
index 950193ca81..77d42e6f21 100644
--- a/sysdeps/ieee754/dbl-64/root.tbl
+++ b/sysdeps/ieee754/dbl-64/root.tbl
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/s_cbrt.c b/sysdeps/ieee754/dbl-64/s_cbrt.c
index 8751a45363..a4c8fc5df9 100644
--- a/sysdeps/ieee754/dbl-64/s_cbrt.c
+++ b/sysdeps/ieee754/dbl-64/s_cbrt.c
@@ -1,8 +1,6 @@
 /* Compute cubic root of double value.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Dirk Alboth <dirka@uni-paderborn.de> and
-   Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_floor.c b/sysdeps/ieee754/dbl-64/s_floor.c
index 18d87bb598..efedceb3a7 100644
--- a/sysdeps/ieee754/dbl-64/s_floor.c
+++ b/sysdeps/ieee754/dbl-64/s_floor.c
@@ -1,7 +1,6 @@
 /* Round double to integer away from zero.
    Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_fma.c b/sysdeps/ieee754/dbl-64/s_fma.c
index 4e0fe18b31..55ccf46c9a 100644
--- a/sysdeps/ieee754/dbl-64/s_fma.c
+++ b/sysdeps/ieee754/dbl-64/s_fma.c
@@ -1,7 +1,6 @@
 /* Compute x * y + z as ternary operation.
    Copyright (C) 2010-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2010.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_fmaf.c b/sysdeps/ieee754/dbl-64/s_fmaf.c
index 921c6f3b87..2b4da8b763 100644
--- a/sysdeps/ieee754/dbl-64/s_fmaf.c
+++ b/sysdeps/ieee754/dbl-64/s_fmaf.c
@@ -1,7 +1,6 @@
 /* Compute x * y + z as ternary operation.
    Copyright (C) 2010-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2010.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_fpclassify.c b/sysdeps/ieee754/dbl-64/s_fpclassify.c
index 000b679525..0bb9e2b0f0 100644
--- a/sysdeps/ieee754/dbl-64/s_fpclassify.c
+++ b/sysdeps/ieee754/dbl-64/s_fpclassify.c
@@ -1,7 +1,6 @@
 /* Return classification value corresponding to argument.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_frexp.c b/sysdeps/ieee754/dbl-64/s_frexp.c
index f6ddf4aaee..900a64fe1e 100644
--- a/sysdeps/ieee754/dbl-64/s_frexp.c
+++ b/sysdeps/ieee754/dbl-64/s_frexp.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_isinf.c b/sysdeps/ieee754/dbl-64/s_isinf.c
index e5300fd2a5..a34e0bc06c 100644
--- a/sysdeps/ieee754/dbl-64/s_isinf.c
+++ b/sysdeps/ieee754/dbl-64/s_isinf.c
@@ -1,6 +1,4 @@
 /*
- * Written by J.T. Conklin <jtc@netbsd.org>.
- * Changed to return -1 for -Inf by Ulrich Drepper <drepper@cygnus.com>.
  * Public domain.
  */
 
diff --git a/sysdeps/ieee754/dbl-64/s_llrint.c b/sysdeps/ieee754/dbl-64/s_llrint.c
index de2a4a9af7..aa4c7ceff6 100644
--- a/sysdeps/ieee754/dbl-64/s_llrint.c
+++ b/sysdeps/ieee754/dbl-64/s_llrint.c
@@ -2,7 +2,6 @@
    direction.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_llround.c b/sysdeps/ieee754/dbl-64/s_llround.c
index 7020fd0156..b4798581bd 100644
--- a/sysdeps/ieee754/dbl-64/s_llround.c
+++ b/sysdeps/ieee754/dbl-64/s_llround.c
@@ -1,7 +1,6 @@
 /* Round double value to long long int.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_logb.c b/sysdeps/ieee754/dbl-64/s_logb.c
index 13bfb33a63..3a23540fe9 100644
--- a/sysdeps/ieee754/dbl-64/s_logb.c
+++ b/sysdeps/ieee754/dbl-64/s_logb.c
@@ -1,7 +1,6 @@
 /* Compute radix independent exponent.
    Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_lrint.c b/sysdeps/ieee754/dbl-64/s_lrint.c
index f54a93eb53..75722edea8 100644
--- a/sysdeps/ieee754/dbl-64/s_lrint.c
+++ b/sysdeps/ieee754/dbl-64/s_lrint.c
@@ -2,7 +2,6 @@
    direction.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_modf.c b/sysdeps/ieee754/dbl-64/s_modf.c
index 8d14e78ef0..0de2084caf 100644
--- a/sysdeps/ieee754/dbl-64/s_modf.c
+++ b/sysdeps/ieee754/dbl-64/s_modf.c
@@ -1,4 +1,3 @@
-/* Rewritten for 64-bit machines by Ulrich Drepper <drepper@gmail.com>.  */
 /*
  * ====================================================
  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
diff --git a/sysdeps/ieee754/dbl-64/s_nearbyint.c b/sysdeps/ieee754/dbl-64/s_nearbyint.c
index 2deaeb2568..08fe517b83 100644
--- a/sysdeps/ieee754/dbl-64/s_nearbyint.c
+++ b/sysdeps/ieee754/dbl-64/s_nearbyint.c
@@ -1,4 +1,3 @@
-/* Adapted for use as nearbyint by Ulrich Drepper <drepper@cygnus.com>.  */
 /*
  * ====================================================
  * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
diff --git a/sysdeps/ieee754/dbl-64/s_remquo.c b/sysdeps/ieee754/dbl-64/s_remquo.c
index cbaa7f79a2..5b48d541cf 100644
--- a/sysdeps/ieee754/dbl-64/s_remquo.c
+++ b/sysdeps/ieee754/dbl-64/s_remquo.c
@@ -1,7 +1,6 @@
 /* Compute remainder and a congruent to the quotient.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_round.c b/sysdeps/ieee754/dbl-64/s_round.c
index 907c8eb668..45818a397a 100644
--- a/sysdeps/ieee754/dbl-64/s_round.c
+++ b/sysdeps/ieee754/dbl-64/s_round.c
@@ -1,7 +1,6 @@
 /* Round double to integer away from zero.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_signbit.c b/sysdeps/ieee754/dbl-64/s_signbit.c
index c9e02de129..03ce327a14 100644
--- a/sysdeps/ieee754/dbl-64/s_signbit.c
+++ b/sysdeps/ieee754/dbl-64/s_signbit.c
@@ -1,7 +1,6 @@
 /* Return nonzero value if number is negative.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_sincos.c b/sysdeps/ieee754/dbl-64/s_sincos.c
index a4a521d742..ae17aab41f 100644
--- a/sysdeps/ieee754/dbl-64/s_sincos.c
+++ b/sysdeps/ieee754/dbl-64/s_sincos.c
@@ -1,7 +1,6 @@
 /* Compute sine and cosine of argument.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/s_trunc.c b/sysdeps/ieee754/dbl-64/s_trunc.c
index 1df17d8c5f..e06ea33630 100644
--- a/sysdeps/ieee754/dbl-64/s_trunc.c
+++ b/sysdeps/ieee754/dbl-64/s_trunc.c
@@ -1,7 +1,6 @@
 /* Truncate argument to nearest integral value not larger than the argument.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/dbl-64/sincostab.c b/sysdeps/ieee754/dbl-64/sincostab.c
index a6a5aecf44..084cd05e08 100644
--- a/sysdeps/ieee754/dbl-64/sincostab.c
+++ b/sysdeps/ieee754/dbl-64/sincostab.c
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/uasncs.h b/sysdeps/ieee754/dbl-64/uasncs.h
index a40c0b372b..0bab06a14f 100644
--- a/sysdeps/ieee754/dbl-64/uasncs.h
+++ b/sysdeps/ieee754/dbl-64/uasncs.h
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/uatan.tbl b/sysdeps/ieee754/dbl-64/uatan.tbl
index 8639292405..d2ea1d39d7 100644
--- a/sysdeps/ieee754/dbl-64/uatan.tbl
+++ b/sysdeps/ieee754/dbl-64/uatan.tbl
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/urem.h b/sysdeps/ieee754/dbl-64/urem.h
index b4036791ea..f87f101e97 100644
--- a/sysdeps/ieee754/dbl-64/urem.h
+++ b/sysdeps/ieee754/dbl-64/urem.h
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/usncs.h b/sysdeps/ieee754/dbl-64/usncs.h
index a545255149..d697d4e4e8 100644
--- a/sysdeps/ieee754/dbl-64/usncs.h
+++ b/sysdeps/ieee754/dbl-64/usncs.h
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/utan.h b/sysdeps/ieee754/dbl-64/utan.h
index 37e4be87b3..d3b2c9f206 100644
--- a/sysdeps/ieee754/dbl-64/utan.h
+++ b/sysdeps/ieee754/dbl-64/utan.h
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/dbl-64/utan.tbl b/sysdeps/ieee754/dbl-64/utan.tbl
index f05e67f488..e899772dfd 100644
--- a/sysdeps/ieee754/dbl-64/utan.tbl
+++ b/sysdeps/ieee754/dbl-64/utan.tbl
@@ -1,6 +1,5 @@
 /*
  * IBM Accurate Mathematical Library
- * Written by International Business Machines Corp.
  * Copyright (C) 2001-2021 Free Software Foundation, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
diff --git a/sysdeps/ieee754/flt-32/e_acosf.c b/sysdeps/ieee754/flt-32/e_acosf.c
index ce688c9802..e3b3bbc928 100644
--- a/sysdeps/ieee754/flt-32/e_acosf.c
+++ b/sysdeps/ieee754/flt-32/e_acosf.c
@@ -1,5 +1,4 @@
 /* e_acosf.c -- float version of e_acos.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_acoshf.c b/sysdeps/ieee754/flt-32/e_acoshf.c
index 5f573c3e98..2237af4ba4 100644
--- a/sysdeps/ieee754/flt-32/e_acoshf.c
+++ b/sysdeps/ieee754/flt-32/e_acoshf.c
@@ -1,5 +1,4 @@
 /* e_acoshf.c -- float version of e_acosh.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_asinf.c b/sysdeps/ieee754/flt-32/e_asinf.c
index 720e95d64d..d9f446d1b1 100644
--- a/sysdeps/ieee754/flt-32/e_asinf.c
+++ b/sysdeps/ieee754/flt-32/e_asinf.c
@@ -1,5 +1,4 @@
 /* e_asinf.c -- float version of e_asin.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_atan2f.c b/sysdeps/ieee754/flt-32/e_atan2f.c
index 743b6fd43c..75174062e8 100644
--- a/sysdeps/ieee754/flt-32/e_atan2f.c
+++ b/sysdeps/ieee754/flt-32/e_atan2f.c
@@ -1,5 +1,4 @@
 /* e_atan2f.c -- float version of e_atan2.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_atanhf.c b/sysdeps/ieee754/flt-32/e_atanhf.c
index 012e590c24..7d035fb208 100644
--- a/sysdeps/ieee754/flt-32/e_atanhf.c
+++ b/sysdeps/ieee754/flt-32/e_atanhf.c
@@ -1,6 +1,5 @@
 /* Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/flt-32/e_coshf.c b/sysdeps/ieee754/flt-32/e_coshf.c
index 742a68139e..052d387e42 100644
--- a/sysdeps/ieee754/flt-32/e_coshf.c
+++ b/sysdeps/ieee754/flt-32/e_coshf.c
@@ -1,6 +1,4 @@
 /* e_coshf.c -- float version of e_cosh.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- * Optimizations by Ulrich Drepper <drepper@gmail.com>, 2011
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_fmodf.c b/sysdeps/ieee754/flt-32/e_fmodf.c
index e641599221..b71c4f754f 100644
--- a/sysdeps/ieee754/flt-32/e_fmodf.c
+++ b/sysdeps/ieee754/flt-32/e_fmodf.c
@@ -1,5 +1,4 @@
 /* e_fmodf.c -- float version of e_fmod.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_gammaf_r.c b/sysdeps/ieee754/flt-32/e_gammaf_r.c
index 79ed79575c..974ed67c96 100644
--- a/sysdeps/ieee754/flt-32/e_gammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_gammaf_r.c
@@ -1,7 +1,6 @@
 /* Implementation of gamma function according to ISO C.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/flt-32/e_hypotf.c b/sysdeps/ieee754/flt-32/e_hypotf.c
index dfffcf4988..e770947dc1 100644
--- a/sysdeps/ieee754/flt-32/e_hypotf.c
+++ b/sysdeps/ieee754/flt-32/e_hypotf.c
@@ -1,5 +1,4 @@
 /* e_hypotf.c -- float version of e_hypot.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_ilogbf.c b/sysdeps/ieee754/flt-32/e_ilogbf.c
index 1ae344ea39..db24012eb4 100644
--- a/sysdeps/ieee754/flt-32/e_ilogbf.c
+++ b/sysdeps/ieee754/flt-32/e_ilogbf.c
@@ -1,5 +1,4 @@
 /* s_ilogbf.c -- float version of s_ilogb.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_j0f.c b/sysdeps/ieee754/flt-32/e_j0f.c
index 462518c365..2c7f062c4a 100644
--- a/sysdeps/ieee754/flt-32/e_j0f.c
+++ b/sysdeps/ieee754/flt-32/e_j0f.c
@@ -1,5 +1,4 @@
 /* e_j0f.c -- float version of e_j0.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_j1f.c b/sysdeps/ieee754/flt-32/e_j1f.c
index f10011e92b..052c661db9 100644
--- a/sysdeps/ieee754/flt-32/e_j1f.c
+++ b/sysdeps/ieee754/flt-32/e_j1f.c
@@ -1,5 +1,4 @@
 /* e_j1f.c -- float version of e_j1.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_jnf.c b/sysdeps/ieee754/flt-32/e_jnf.c
index b2a015a48a..80b684dd97 100644
--- a/sysdeps/ieee754/flt-32/e_jnf.c
+++ b/sysdeps/ieee754/flt-32/e_jnf.c
@@ -1,5 +1,4 @@
 /* e_jnf.c -- float version of e_jn.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
index 0667b1bb3e..a1a3a60454 100644
--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c
+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c
@@ -1,5 +1,4 @@
 /* e_lgammaf_r.c -- float version of e_lgamma_r.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_log10f.c b/sysdeps/ieee754/flt-32/e_log10f.c
index 4e31e5cfdd..791895e042 100644
--- a/sysdeps/ieee754/flt-32/e_log10f.c
+++ b/sysdeps/ieee754/flt-32/e_log10f.c
@@ -1,5 +1,4 @@
 /* e_log10f.c -- float version of e_log10.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_remainderf.c b/sysdeps/ieee754/flt-32/e_remainderf.c
index 946527c3f8..81781363af 100644
--- a/sysdeps/ieee754/flt-32/e_remainderf.c
+++ b/sysdeps/ieee754/flt-32/e_remainderf.c
@@ -1,5 +1,4 @@
 /* e_remainderf.c -- float version of e_remainder.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_sinhf.c b/sysdeps/ieee754/flt-32/e_sinhf.c
index 6fe74f3faf..d3998e8336 100644
--- a/sysdeps/ieee754/flt-32/e_sinhf.c
+++ b/sysdeps/ieee754/flt-32/e_sinhf.c
@@ -1,5 +1,4 @@
 /* e_sinhf.c -- float version of e_sinh.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/e_sqrtf.c b/sysdeps/ieee754/flt-32/e_sqrtf.c
index 177bf5dbdd..1c0245b733 100644
--- a/sysdeps/ieee754/flt-32/e_sqrtf.c
+++ b/sysdeps/ieee754/flt-32/e_sqrtf.c
@@ -1,5 +1,4 @@
 /* e_sqrtf.c -- float version of e_sqrt.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/k_tanf.c b/sysdeps/ieee754/flt-32/k_tanf.c
index 228ece2075..e1c9d14104 100644
--- a/sysdeps/ieee754/flt-32/k_tanf.c
+++ b/sysdeps/ieee754/flt-32/k_tanf.c
@@ -1,5 +1,4 @@
 /* k_tanf.c -- float version of k_tan.c
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_asinhf.c b/sysdeps/ieee754/flt-32/s_asinhf.c
index 13af5db1eb..a94676fbda 100644
--- a/sysdeps/ieee754/flt-32/s_asinhf.c
+++ b/sysdeps/ieee754/flt-32/s_asinhf.c
@@ -1,5 +1,4 @@
 /* s_asinhf.c -- float version of s_asinh.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_atanf.c b/sysdeps/ieee754/flt-32/s_atanf.c
index f61b0f5ef6..3dbf5c5bb7 100644
--- a/sysdeps/ieee754/flt-32/s_atanf.c
+++ b/sysdeps/ieee754/flt-32/s_atanf.c
@@ -1,5 +1,4 @@
 /* s_atanf.c -- float version of s_atan.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_cbrtf.c b/sysdeps/ieee754/flt-32/s_cbrtf.c
index 2f1850ca64..3049fc6a56 100644
--- a/sysdeps/ieee754/flt-32/s_cbrtf.c
+++ b/sysdeps/ieee754/flt-32/s_cbrtf.c
@@ -1,8 +1,6 @@
 /* Compute cubic root of float value.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Dirk Alboth <dirka@uni-paderborn.de> and
-   Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/flt-32/s_ceilf.c b/sysdeps/ieee754/flt-32/s_ceilf.c
index 5c4abfe145..0263552dee 100644
--- a/sysdeps/ieee754/flt-32/s_ceilf.c
+++ b/sysdeps/ieee754/flt-32/s_ceilf.c
@@ -1,5 +1,4 @@
 /* s_ceilf.c -- float version of s_ceil.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_copysignf.c b/sysdeps/ieee754/flt-32/s_copysignf.c
index 1c097d313f..e9e92dc28f 100644
--- a/sysdeps/ieee754/flt-32/s_copysignf.c
+++ b/sysdeps/ieee754/flt-32/s_copysignf.c
@@ -1,5 +1,4 @@
 /* s_copysignf.c -- float version of s_copysign.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_erff.c b/sysdeps/ieee754/flt-32/s_erff.c
index 693934d59a..ba297342ea 100644
--- a/sysdeps/ieee754/flt-32/s_erff.c
+++ b/sysdeps/ieee754/flt-32/s_erff.c
@@ -1,5 +1,4 @@
 /* s_erff.c -- float version of s_erf.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_expm1f.c b/sysdeps/ieee754/flt-32/s_expm1f.c
index b72cc0d083..35f7b5214a 100644
--- a/sysdeps/ieee754/flt-32/s_expm1f.c
+++ b/sysdeps/ieee754/flt-32/s_expm1f.c
@@ -1,5 +1,4 @@
 /* s_expm1f.c -- float version of s_expm1.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_fabsf.c b/sysdeps/ieee754/flt-32/s_fabsf.c
index d3f6eb830b..c08a64db39 100644
--- a/sysdeps/ieee754/flt-32/s_fabsf.c
+++ b/sysdeps/ieee754/flt-32/s_fabsf.c
@@ -1,5 +1,4 @@
 /* s_fabsf.c -- float version of s_fabs.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_finitef.c b/sysdeps/ieee754/flt-32/s_finitef.c
index b9ae048559..5669da428d 100644
--- a/sysdeps/ieee754/flt-32/s_finitef.c
+++ b/sysdeps/ieee754/flt-32/s_finitef.c
@@ -1,5 +1,4 @@
 /* s_finitef.c -- float version of s_finite.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_floorf.c b/sysdeps/ieee754/flt-32/s_floorf.c
index da6c6dfa8a..a5c38818f1 100644
--- a/sysdeps/ieee754/flt-32/s_floorf.c
+++ b/sysdeps/ieee754/flt-32/s_floorf.c
@@ -1,5 +1,4 @@
 /* s_floorf.c -- float version of s_floor.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_fpclassifyf.c b/sysdeps/ieee754/flt-32/s_fpclassifyf.c
index eb45fd8901..5b4c836b20 100644
--- a/sysdeps/ieee754/flt-32/s_fpclassifyf.c
+++ b/sysdeps/ieee754/flt-32/s_fpclassifyf.c
@@ -1,7 +1,6 @@
 /* Return classification value corresponding to argument.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/flt-32/s_frexpf.c b/sysdeps/ieee754/flt-32/s_frexpf.c
index b7403bf0d8..59fef66a6b 100644
--- a/sysdeps/ieee754/flt-32/s_frexpf.c
+++ b/sysdeps/ieee754/flt-32/s_frexpf.c
@@ -1,5 +1,4 @@
 /* s_frexpf.c -- float version of s_frexp.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_isinff.c b/sysdeps/ieee754/flt-32/s_isinff.c
index 6eec050bb5..a5a08ae51b 100644
--- a/sysdeps/ieee754/flt-32/s_isinff.c
+++ b/sysdeps/ieee754/flt-32/s_isinff.c
@@ -1,5 +1,4 @@
 /*
- * Written by J.T. Conklin <jtc@netbsd.org>.
  * Public domain.
  */
 
diff --git a/sysdeps/ieee754/flt-32/s_isnanf.c b/sysdeps/ieee754/flt-32/s_isnanf.c
index 52129735fe..7911c0eaaf 100644
--- a/sysdeps/ieee754/flt-32/s_isnanf.c
+++ b/sysdeps/ieee754/flt-32/s_isnanf.c
@@ -1,5 +1,4 @@
 /* s_isnanf.c -- float version of s_isnan.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_llrintf.c b/sysdeps/ieee754/flt-32/s_llrintf.c
index eecca54f06..f3f300cd25 100644
--- a/sysdeps/ieee754/flt-32/s_llrintf.c
+++ b/sysdeps/ieee754/flt-32/s_llrintf.c
@@ -2,7 +2,6 @@
    direction.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/flt-32/s_llroundf.c b/sysdeps/ieee754/flt-32/s_llroundf.c
index 68a851a1ab..372c5ba002 100644
--- a/sysdeps/ieee754/flt-32/s_llroundf.c
+++ b/sysdeps/ieee754/flt-32/s_llroundf.c
@@ -1,7 +1,6 @@
 /* Round float value to long long int.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/flt-32/s_log1pf.c b/sysdeps/ieee754/flt-32/s_log1pf.c
index a06190a589..6630f5a78e 100644
--- a/sysdeps/ieee754/flt-32/s_log1pf.c
+++ b/sysdeps/ieee754/flt-32/s_log1pf.c
@@ -1,5 +1,4 @@
 /* s_log1pf.c -- float version of s_log1p.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_logbf.c b/sysdeps/ieee754/flt-32/s_logbf.c
index e0d4f3fbab..a06f975797 100644
--- a/sysdeps/ieee754/flt-32/s_logbf.c
+++ b/sysdeps/ieee754/flt-32/s_logbf.c
@@ -1,5 +1,4 @@
 /* s_logbf.c -- float version of s_logb.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_lrintf.c b/sysdeps/ieee754/flt-32/s_lrintf.c
index 645c0cd253..f29ee26aae 100644
--- a/sysdeps/ieee754/flt-32/s_lrintf.c
+++ b/sysdeps/ieee754/flt-32/s_lrintf.c
@@ -2,7 +2,6 @@
    direction.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/flt-32/s_lroundf.c b/sysdeps/ieee754/flt-32/s_lroundf.c
index 5d6955aec0..b64feb2223 100644
--- a/sysdeps/ieee754/flt-32/s_lroundf.c
+++ b/sysdeps/ieee754/flt-32/s_lroundf.c
@@ -1,7 +1,6 @@
 /* Round float value to long int.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/flt-32/s_modff.c b/sysdeps/ieee754/flt-32/s_modff.c
index 45a94594fe..ad2e91de25 100644
--- a/sysdeps/ieee754/flt-32/s_modff.c
+++ b/sysdeps/ieee754/flt-32/s_modff.c
@@ -1,5 +1,4 @@
 /* s_modff.c -- float version of s_modf.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_nearbyintf.c b/sysdeps/ieee754/flt-32/s_nearbyintf.c
index 2a79907168..b270749f4c 100644
--- a/sysdeps/ieee754/flt-32/s_nearbyintf.c
+++ b/sysdeps/ieee754/flt-32/s_nearbyintf.c
@@ -1,7 +1,5 @@
 /* s_rintf.c -- float version of s_rint.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
-/* Adapted for use as nearbyint by Ulrich Drepper <drepper@cygnus.com>.  */
 
 /*
  * ====================================================
diff --git a/sysdeps/ieee754/flt-32/s_nextafterf.c b/sysdeps/ieee754/flt-32/s_nextafterf.c
index aa49df5a9e..4912988266 100644
--- a/sysdeps/ieee754/flt-32/s_nextafterf.c
+++ b/sysdeps/ieee754/flt-32/s_nextafterf.c
@@ -1,5 +1,4 @@
 /* s_nextafterf.c -- float version of s_nextafter.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_remquof.c b/sysdeps/ieee754/flt-32/s_remquof.c
index 8188f6ac99..d43f5e9841 100644
--- a/sysdeps/ieee754/flt-32/s_remquof.c
+++ b/sysdeps/ieee754/flt-32/s_remquof.c
@@ -1,7 +1,6 @@
 /* Compute remainder and a congruent to the quotient.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/flt-32/s_rintf.c b/sysdeps/ieee754/flt-32/s_rintf.c
index 627bada566..fe5258ae61 100644
--- a/sysdeps/ieee754/flt-32/s_rintf.c
+++ b/sysdeps/ieee754/flt-32/s_rintf.c
@@ -1,5 +1,4 @@
 /* s_rintf.c -- float version of s_rint.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_roundf.c b/sysdeps/ieee754/flt-32/s_roundf.c
index 1b16bfbd6d..14e02ee3ac 100644
--- a/sysdeps/ieee754/flt-32/s_roundf.c
+++ b/sysdeps/ieee754/flt-32/s_roundf.c
@@ -1,7 +1,6 @@
 /* Round float to integer away from zero.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/flt-32/s_scalblnf.c b/sysdeps/ieee754/flt-32/s_scalblnf.c
index ad3c586b33..8c9d8c2a82 100644
--- a/sysdeps/ieee754/flt-32/s_scalblnf.c
+++ b/sysdeps/ieee754/flt-32/s_scalblnf.c
@@ -1,5 +1,4 @@
 /* s_scalbnf.c -- float version of s_scalbn.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_scalbnf.c b/sysdeps/ieee754/flt-32/s_scalbnf.c
index 1a760f767a..d521d9a303 100644
--- a/sysdeps/ieee754/flt-32/s_scalbnf.c
+++ b/sysdeps/ieee754/flt-32/s_scalbnf.c
@@ -1,5 +1,4 @@
 /* s_scalbnf.c -- float version of s_scalbn.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_signbitf.c b/sysdeps/ieee754/flt-32/s_signbitf.c
index d0a7b02024..1e42111dc0 100644
--- a/sysdeps/ieee754/flt-32/s_signbitf.c
+++ b/sysdeps/ieee754/flt-32/s_signbitf.c
@@ -1,7 +1,6 @@
 /* Return nonzero value if number is negative.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/flt-32/s_tanf.c b/sysdeps/ieee754/flt-32/s_tanf.c
index fd104103ad..ae6600bd57 100644
--- a/sysdeps/ieee754/flt-32/s_tanf.c
+++ b/sysdeps/ieee754/flt-32/s_tanf.c
@@ -1,5 +1,4 @@
 /* s_tanf.c -- float version of s_tan.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_tanhf.c b/sysdeps/ieee754/flt-32/s_tanhf.c
index cc3d63d35d..2c12f04569 100644
--- a/sysdeps/ieee754/flt-32/s_tanhf.c
+++ b/sysdeps/ieee754/flt-32/s_tanhf.c
@@ -1,5 +1,4 @@
 /* s_tanhf.c -- float version of s_tanh.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/flt-32/s_truncf.c b/sysdeps/ieee754/flt-32/s_truncf.c
index bd2aa2d2dc..f2c003abd2 100644
--- a/sysdeps/ieee754/flt-32/s_truncf.c
+++ b/sysdeps/ieee754/flt-32/s_truncf.c
@@ -1,7 +1,6 @@
 /* Truncate argument to nearest integral value not larger than the argument.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/e_acoshl.c b/sysdeps/ieee754/ldbl-128/e_acoshl.c
index c3cb73a2a4..54434eb2a4 100644
--- a/sysdeps/ieee754/ldbl-128/e_acoshl.c
+++ b/sysdeps/ieee754/ldbl-128/e_acoshl.c
@@ -1,5 +1,4 @@
 /* e_acoshl.c -- long double version of e_acosh.c.
- * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/e_atan2l.c b/sysdeps/ieee754/ldbl-128/e_atan2l.c
index 142060de48..cdf08170f6 100644
--- a/sysdeps/ieee754/ldbl-128/e_atan2l.c
+++ b/sysdeps/ieee754/ldbl-128/e_atan2l.c
@@ -1,5 +1,4 @@
 /* e_atan2l.c -- long double version of e_atan2.c.
- * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/e_atanhl.c b/sysdeps/ieee754/ldbl-128/e_atanhl.c
index 68a52201d2..80a133fb99 100644
--- a/sysdeps/ieee754/ldbl-128/e_atanhl.c
+++ b/sysdeps/ieee754/ldbl-128/e_atanhl.c
@@ -1,6 +1,4 @@
 /* s_atanhl.c -- long double version of s_atan.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/e_expl.c b/sysdeps/ieee754/ldbl-128/e_expl.c
index a5cb919688..1394821758 100644
--- a/sysdeps/ieee754/ldbl-128/e_expl.c
+++ b/sysdeps/ieee754/ldbl-128/e_expl.c
@@ -1,9 +1,6 @@
 /* Quad-precision floating point e^x.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
-   Partly based on double-precision code
-   by Geoffrey Keating <geoffk@ozemail.com.au>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/e_fmodl.c b/sysdeps/ieee754/ldbl-128/e_fmodl.c
index c927859cdf..b60d3537f8 100644
--- a/sysdeps/ieee754/ldbl-128/e_fmodl.c
+++ b/sysdeps/ieee754/ldbl-128/e_fmodl.c
@@ -1,5 +1,4 @@
 /* e_fmodl.c -- long double version of e_fmod.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 /*
  * ====================================================
diff --git a/sysdeps/ieee754/ldbl-128/e_gammal_r.c b/sysdeps/ieee754/ldbl-128/e_gammal_r.c
index 0cc5056f41..e09d7fd585 100644
--- a/sysdeps/ieee754/ldbl-128/e_gammal_r.c
+++ b/sysdeps/ieee754/ldbl-128/e_gammal_r.c
@@ -1,8 +1,6 @@
 /* Implementation of gamma function according to ISO C.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/e_hypotl.c b/sysdeps/ieee754/ldbl-128/e_hypotl.c
index cc3cc4a01c..cd4fdbc4a6 100644
--- a/sysdeps/ieee754/ldbl-128/e_hypotl.c
+++ b/sysdeps/ieee754/ldbl-128/e_hypotl.c
@@ -1,5 +1,4 @@
 /* e_hypotl.c -- long double version of e_hypot.c.
- * Conversion to long double by Jakub Jelinek, jakub@redhat.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/e_ilogbl.c b/sysdeps/ieee754/ldbl-128/e_ilogbl.c
index 9effe6386a..1d81a26fb8 100644
--- a/sysdeps/ieee754/ldbl-128/e_ilogbl.c
+++ b/sysdeps/ieee754/ldbl-128/e_ilogbl.c
@@ -1,5 +1,4 @@
 /* s_ilogbl.c -- long double version of s_ilogb.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/e_rem_pio2l.c b/sysdeps/ieee754/ldbl-128/e_rem_pio2l.c
index f20e7e9b4d..a9d532967e 100644
--- a/sysdeps/ieee754/ldbl-128/e_rem_pio2l.c
+++ b/sysdeps/ieee754/ldbl-128/e_rem_pio2l.c
@@ -1,7 +1,6 @@
 /* Quad-precision floating point argument reduction.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/e_remainderl.c b/sysdeps/ieee754/ldbl-128/e_remainderl.c
index ade586a2d0..07a15c2459 100644
--- a/sysdeps/ieee754/ldbl-128/e_remainderl.c
+++ b/sysdeps/ieee754/ldbl-128/e_remainderl.c
@@ -1,5 +1,4 @@
 /* e_fmodl.c -- long double version of e_fmod.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 /*
  * ====================================================
diff --git a/sysdeps/ieee754/ldbl-128/e_sinhl.c b/sysdeps/ieee754/ldbl-128/e_sinhl.c
index 976fcead3a..20d01034c2 100644
--- a/sysdeps/ieee754/ldbl-128/e_sinhl.c
+++ b/sysdeps/ieee754/ldbl-128/e_sinhl.c
@@ -1,6 +1,4 @@
 /* e_sinhl.c -- long double version of e_sinh.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/k_cosl.c b/sysdeps/ieee754/ldbl-128/k_cosl.c
index b0f8cf86a6..85ce84e311 100644
--- a/sysdeps/ieee754/ldbl-128/k_cosl.c
+++ b/sysdeps/ieee754/ldbl-128/k_cosl.c
@@ -1,7 +1,6 @@
 /* Quad-precision floating point cosine on <-pi/4,pi/4>.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/k_sincosl.c b/sysdeps/ieee754/ldbl-128/k_sincosl.c
index d04b3070a6..e94c7ed0e2 100644
--- a/sysdeps/ieee754/ldbl-128/k_sincosl.c
+++ b/sysdeps/ieee754/ldbl-128/k_sincosl.c
@@ -1,7 +1,6 @@
 /* Quad-precision floating point sine and cosine on <-pi/4,pi/4>.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/k_sinl.c b/sysdeps/ieee754/ldbl-128/k_sinl.c
index 634b72efe7..70d7e88ebe 100644
--- a/sysdeps/ieee754/ldbl-128/k_sinl.c
+++ b/sysdeps/ieee754/ldbl-128/k_sinl.c
@@ -1,7 +1,6 @@
 /* Quad-precision floating point sine on <-pi/4,pi/4>.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/s_asinhl.c b/sysdeps/ieee754/ldbl-128/s_asinhl.c
index a733ee7695..025242413c 100644
--- a/sysdeps/ieee754/ldbl-128/s_asinhl.c
+++ b/sysdeps/ieee754/ldbl-128/s_asinhl.c
@@ -1,6 +1,4 @@
 /* s_asinhl.c -- long double version of s_asinh.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_ceill.c b/sysdeps/ieee754/ldbl-128/s_ceill.c
index c5d98e1e37..f363d2f898 100644
--- a/sysdeps/ieee754/ldbl-128/s_ceill.c
+++ b/sysdeps/ieee754/ldbl-128/s_ceill.c
@@ -1,5 +1,4 @@
 /* s_ceill.c -- long double version of s_ceil.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_copysignl.c b/sysdeps/ieee754/ldbl-128/s_copysignl.c
index a8b0639d2e..d512d9a1e2 100644
--- a/sysdeps/ieee754/ldbl-128/s_copysignl.c
+++ b/sysdeps/ieee754/ldbl-128/s_copysignl.c
@@ -1,5 +1,4 @@
 /* s_copysignl.c -- long double version of s_copysign.c.
- * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_cosl.c b/sysdeps/ieee754/ldbl-128/s_cosl.c
index b315abccc5..9879e7e1d7 100644
--- a/sysdeps/ieee754/ldbl-128/s_cosl.c
+++ b/sysdeps/ieee754/ldbl-128/s_cosl.c
@@ -1,5 +1,4 @@
 /* s_cosl.c -- long double version of s_cos.c.
- * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_fabsl.c b/sysdeps/ieee754/ldbl-128/s_fabsl.c
index 8d554531be..7e08980252 100644
--- a/sysdeps/ieee754/ldbl-128/s_fabsl.c
+++ b/sysdeps/ieee754/ldbl-128/s_fabsl.c
@@ -1,5 +1,4 @@
 /* s_fabsl.c -- long double version of s_fabs.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_finitel.c b/sysdeps/ieee754/ldbl-128/s_finitel.c
index d42b37815c..bfdd88fbbb 100644
--- a/sysdeps/ieee754/ldbl-128/s_finitel.c
+++ b/sysdeps/ieee754/ldbl-128/s_finitel.c
@@ -1,5 +1,4 @@
 /* s_finitel.c -- long double version of s_finite.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_floorl.c b/sysdeps/ieee754/ldbl-128/s_floorl.c
index 0475120d7e..02eb663dd5 100644
--- a/sysdeps/ieee754/ldbl-128/s_floorl.c
+++ b/sysdeps/ieee754/ldbl-128/s_floorl.c
@@ -1,5 +1,4 @@
 /* s_floorl.c -- long double version of s_floor.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_fma.c b/sysdeps/ieee754/ldbl-128/s_fma.c
index 58c55ea42f..47673da3d7 100644
--- a/sysdeps/ieee754/ldbl-128/s_fma.c
+++ b/sysdeps/ieee754/ldbl-128/s_fma.c
@@ -1,7 +1,6 @@
 /* Compute x * y + z as ternary operation.
    Copyright (C) 2010-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2010.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/s_fmal.c b/sysdeps/ieee754/ldbl-128/s_fmal.c
index e509774531..0f5f5f1d74 100644
--- a/sysdeps/ieee754/ldbl-128/s_fmal.c
+++ b/sysdeps/ieee754/ldbl-128/s_fmal.c
@@ -1,7 +1,6 @@
 /* Compute x * y + z as ternary operation.
    Copyright (C) 2010-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2010.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/s_fpclassifyl.c b/sysdeps/ieee754/ldbl-128/s_fpclassifyl.c
index 16519ac028..95540f0b7f 100644
--- a/sysdeps/ieee754/ldbl-128/s_fpclassifyl.c
+++ b/sysdeps/ieee754/ldbl-128/s_fpclassifyl.c
@@ -1,8 +1,6 @@
 /* Return classification value corresponding to argument.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/s_frexpl.c b/sysdeps/ieee754/ldbl-128/s_frexpl.c
index bab0779e23..e4db093a05 100644
--- a/sysdeps/ieee754/ldbl-128/s_frexpl.c
+++ b/sysdeps/ieee754/ldbl-128/s_frexpl.c
@@ -1,5 +1,4 @@
 /* s_frexpl.c -- long double version of s_frexp.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_isinfl.c b/sysdeps/ieee754/ldbl-128/s_isinfl.c
index a41e8cf44b..baa9a98e80 100644
--- a/sysdeps/ieee754/ldbl-128/s_isinfl.c
+++ b/sysdeps/ieee754/ldbl-128/s_isinfl.c
@@ -1,6 +1,4 @@
 /*
- * Written by J.T. Conklin <jtc@netbsd.org>.
- * Change for long double by Jakub Jelinek <jj@ultra.linux.cz>
  * Public domain.
  */
 
diff --git a/sysdeps/ieee754/ldbl-128/s_isnanl.c b/sysdeps/ieee754/ldbl-128/s_isnanl.c
index 8ebef00d24..26c70fb09f 100644
--- a/sysdeps/ieee754/ldbl-128/s_isnanl.c
+++ b/sysdeps/ieee754/ldbl-128/s_isnanl.c
@@ -1,5 +1,4 @@
 /* s_isnanl.c -- long double version of s_isnan.c.
- * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_llrintl.c b/sysdeps/ieee754/ldbl-128/s_llrintl.c
index 4c530931fa..24db19a1e5 100644
--- a/sysdeps/ieee754/ldbl-128/s_llrintl.c
+++ b/sysdeps/ieee754/ldbl-128/s_llrintl.c
@@ -2,8 +2,6 @@
    direction.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/s_llroundl.c b/sysdeps/ieee754/ldbl-128/s_llroundl.c
index 2f37adba60..64d7e1e6f8 100644
--- a/sysdeps/ieee754/ldbl-128/s_llroundl.c
+++ b/sysdeps/ieee754/ldbl-128/s_llroundl.c
@@ -1,8 +1,6 @@
 /* Round long double value to long long int.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/s_logbl.c b/sysdeps/ieee754/ldbl-128/s_logbl.c
index 9264fe6616..1c56eda499 100644
--- a/sysdeps/ieee754/ldbl-128/s_logbl.c
+++ b/sysdeps/ieee754/ldbl-128/s_logbl.c
@@ -1,5 +1,4 @@
 /* s_logbl.c -- long double version of s_logb.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_lrintl.c b/sysdeps/ieee754/ldbl-128/s_lrintl.c
index 2c8d769304..fc2dc29b54 100644
--- a/sysdeps/ieee754/ldbl-128/s_lrintl.c
+++ b/sysdeps/ieee754/ldbl-128/s_lrintl.c
@@ -2,8 +2,6 @@
    direction.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/s_lroundl.c b/sysdeps/ieee754/ldbl-128/s_lroundl.c
index a39fb817e5..4b856b357e 100644
--- a/sysdeps/ieee754/ldbl-128/s_lroundl.c
+++ b/sysdeps/ieee754/ldbl-128/s_lroundl.c
@@ -1,8 +1,6 @@
 /* Round long double value to long int.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/s_modfl.c b/sysdeps/ieee754/ldbl-128/s_modfl.c
index 2d0a2d739f..92041b7d2a 100644
--- a/sysdeps/ieee754/ldbl-128/s_modfl.c
+++ b/sysdeps/ieee754/ldbl-128/s_modfl.c
@@ -1,5 +1,4 @@
 /* s_modfl.c -- long double version of s_modf.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_nearbyintl.c b/sysdeps/ieee754/ldbl-128/s_nearbyintl.c
index 8d26786f78..d76d0155ad 100644
--- a/sysdeps/ieee754/ldbl-128/s_nearbyintl.c
+++ b/sysdeps/ieee754/ldbl-128/s_nearbyintl.c
@@ -1,5 +1,4 @@
 /* s_nearbyintl.c -- long double version of s_nearbyint.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_nextafterl.c b/sysdeps/ieee754/ldbl-128/s_nextafterl.c
index 60fdae648f..90e71e3907 100644
--- a/sysdeps/ieee754/ldbl-128/s_nextafterl.c
+++ b/sysdeps/ieee754/ldbl-128/s_nextafterl.c
@@ -1,5 +1,4 @@
 /* s_nextafterl.c -- long double version of s_nextafter.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_remquol.c b/sysdeps/ieee754/ldbl-128/s_remquol.c
index 88bfbaedc9..2b753a1274 100644
--- a/sysdeps/ieee754/ldbl-128/s_remquol.c
+++ b/sysdeps/ieee754/ldbl-128/s_remquol.c
@@ -1,8 +1,6 @@
 /* Compute remainder and a congruent to the quotient.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/s_rintl.c b/sysdeps/ieee754/ldbl-128/s_rintl.c
index 16965f9582..072ed8ec15 100644
--- a/sysdeps/ieee754/ldbl-128/s_rintl.c
+++ b/sysdeps/ieee754/ldbl-128/s_rintl.c
@@ -1,5 +1,4 @@
 /* s_rintl.c -- long double version of s_rint.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_roundl.c b/sysdeps/ieee754/ldbl-128/s_roundl.c
index 0bc35814b6..5a8cec1a89 100644
--- a/sysdeps/ieee754/ldbl-128/s_roundl.c
+++ b/sysdeps/ieee754/ldbl-128/s_roundl.c
@@ -1,8 +1,6 @@
 /* Round long double to integer away from zero.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/s_scalblnl.c b/sysdeps/ieee754/ldbl-128/s_scalblnl.c
index 590b2ca023..08b0fb12fd 100644
--- a/sysdeps/ieee754/ldbl-128/s_scalblnl.c
+++ b/sysdeps/ieee754/ldbl-128/s_scalblnl.c
@@ -1,5 +1,4 @@
 /* s_scalblnl.c -- long double version of s_scalbn.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /* @(#)s_scalbn.c 5.1 93/09/24 */
diff --git a/sysdeps/ieee754/ldbl-128/s_scalbnl.c b/sysdeps/ieee754/ldbl-128/s_scalbnl.c
index ad9a0b105a..94155a5c7f 100644
--- a/sysdeps/ieee754/ldbl-128/s_scalbnl.c
+++ b/sysdeps/ieee754/ldbl-128/s_scalbnl.c
@@ -1,5 +1,4 @@
 /* s_scalbnl.c -- long double version of s_scalbn.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /* @(#)s_scalbn.c 5.1 93/09/24 */
diff --git a/sysdeps/ieee754/ldbl-128/s_signbitl.c b/sysdeps/ieee754/ldbl-128/s_signbitl.c
index 59cfda415e..34e5639e8a 100644
--- a/sysdeps/ieee754/ldbl-128/s_signbitl.c
+++ b/sysdeps/ieee754/ldbl-128/s_signbitl.c
@@ -1,7 +1,6 @@
 /* Return nonzero value if number is negative.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/s_sincosl.c b/sysdeps/ieee754/ldbl-128/s_sincosl.c
index b230dd209c..ef5a02016b 100644
--- a/sysdeps/ieee754/ldbl-128/s_sincosl.c
+++ b/sysdeps/ieee754/ldbl-128/s_sincosl.c
@@ -1,8 +1,6 @@
 /* Compute sine and cosine of argument.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/s_sinl.c b/sysdeps/ieee754/ldbl-128/s_sinl.c
index 773b2fa7ee..4578766aa6 100644
--- a/sysdeps/ieee754/ldbl-128/s_sinl.c
+++ b/sysdeps/ieee754/ldbl-128/s_sinl.c
@@ -1,5 +1,4 @@
 /* s_sinl.c -- long double version of s_sin.c.
- * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128/s_tanhl.c b/sysdeps/ieee754/ldbl-128/s_tanhl.c
index fc309dab0a..a14ac06529 100644
--- a/sysdeps/ieee754/ldbl-128/s_tanhl.c
+++ b/sysdeps/ieee754/ldbl-128/s_tanhl.c
@@ -1,6 +1,4 @@
 /* s_tanhl.c -- long double version of s_tanh.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
@@ -14,9 +12,6 @@
  * ====================================================
  */
 
-/* Changes for 128-bit long double contributed by
-   Stephen L. Moshier <moshier@na-net.ornl.gov> */
-
 /* tanhl(x)
  * Return the Hyperbolic Tangent of x
  *
diff --git a/sysdeps/ieee754/ldbl-128/s_tanl.c b/sysdeps/ieee754/ldbl-128/s_tanl.c
index 77db10f077..c765312cc4 100644
--- a/sysdeps/ieee754/ldbl-128/s_tanl.c
+++ b/sysdeps/ieee754/ldbl-128/s_tanl.c
@@ -1,5 +1,4 @@
 /* s_tanl.c -- long double version of s_tan.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /* @(#)s_tan.c 5.1 93/09/24 */
diff --git a/sysdeps/ieee754/ldbl-128/s_truncl.c b/sysdeps/ieee754/ldbl-128/s_truncl.c
index 4619f0e234..ac63c3689b 100644
--- a/sysdeps/ieee754/ldbl-128/s_truncl.c
+++ b/sysdeps/ieee754/ldbl-128/s_truncl.c
@@ -1,8 +1,6 @@
 /* Truncate argument to nearest integral value not larger than the argument.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/t_expl.h b/sysdeps/ieee754/ldbl-128/t_expl.h
index adbb99c066..c4139729ff 100644
--- a/sysdeps/ieee754/ldbl-128/t_expl.h
+++ b/sysdeps/ieee754/ldbl-128/t_expl.h
@@ -1,7 +1,6 @@
 /* Accurate table for expl().
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128/t_sincosl.c b/sysdeps/ieee754/ldbl-128/t_sincosl.c
index a138dfee35..5b889d31a9 100644
--- a/sysdeps/ieee754/ldbl-128/t_sincosl.c
+++ b/sysdeps/ieee754/ldbl-128/t_sincosl.c
@@ -1,7 +1,6 @@
 /* Quad-precision floating point sine and cosine tables.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c b/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c
index 8c451ed207..6135b9886e 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_atan2l.c
@@ -1,5 +1,4 @@
 /* e_atan2l.c -- long double version of e_atan2.c.
- * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_expl.c b/sysdeps/ieee754/ldbl-128ibm/e_expl.c
index dd6b4a528c..49e9ea0a91 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_expl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_expl.c
@@ -1,9 +1,6 @@
 /* Quad-precision floating point e^x.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
-   Partly based on double-precision code
-   by Geoffrey Keating <geoffk@ozemail.com.au>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_fmodl.c b/sysdeps/ieee754/ldbl-128ibm/e_fmodl.c
index a8b178dbd0..25f4f15a6b 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_fmodl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_fmodl.c
@@ -1,5 +1,4 @@
 /* e_fmodl.c -- long double version of e_fmod.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 /*
  * ====================================================
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c b/sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c
index 8a70d55589..2d88f4cad8 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_gammal_r.c
@@ -1,8 +1,6 @@
 /* Implementation of gamma function according to ISO C.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_ilogbl.c b/sysdeps/ieee754/ldbl-128ibm/e_ilogbl.c
index 4088238f30..9daa970f84 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_ilogbl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_ilogbl.c
@@ -1,5 +1,4 @@
 /* s_ilogbl.c -- long double version of s_ilogb.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_rem_pio2l.c b/sysdeps/ieee754/ldbl-128ibm/e_rem_pio2l.c
index d0f992622a..7e9ed50e81 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_rem_pio2l.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_rem_pio2l.c
@@ -1,7 +1,6 @@
 /* Quad-precision floating point argument reduction.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_remainderl.c b/sysdeps/ieee754/ldbl-128ibm/e_remainderl.c
index 8a99c7984d..9a0fa85c53 100644
--- a/sysdeps/ieee754/ldbl-128ibm/e_remainderl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/e_remainderl.c
@@ -1,5 +1,4 @@
 /* e_fmodl.c -- long double version of e_fmod.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 /*
  * ====================================================
diff --git a/sysdeps/ieee754/ldbl-128ibm/k_cosl.c b/sysdeps/ieee754/ldbl-128ibm/k_cosl.c
index cdbf0fdc5d..7fa4f46bd5 100644
--- a/sysdeps/ieee754/ldbl-128ibm/k_cosl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/k_cosl.c
@@ -1,7 +1,6 @@
 /* Quad-precision floating point cosine on <-pi/4,pi/4>.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/k_sincosl.c b/sysdeps/ieee754/ldbl-128ibm/k_sincosl.c
index 09b534e067..244560b44f 100644
--- a/sysdeps/ieee754/ldbl-128ibm/k_sincosl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/k_sincosl.c
@@ -1,7 +1,6 @@
 /* Quad-precision floating point sine and cosine on <-pi/4,pi/4>.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/k_sinl.c b/sysdeps/ieee754/ldbl-128ibm/k_sinl.c
index 416c8c9e32..0b7cc7ac79 100644
--- a/sysdeps/ieee754/ldbl-128ibm/k_sinl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/k_sinl.c
@@ -1,7 +1,6 @@
 /* Quad-precision floating point sine on <-pi/4,pi/4>.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c b/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c
index 2240159013..ae6956645b 100644
--- a/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c
+++ b/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c
@@ -1,7 +1,6 @@
 /* Print floating point number in hexadecimal notation according to ISO C99.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_copysignl.c b/sysdeps/ieee754/ldbl-128ibm/s_copysignl.c
index 9dbd9b86fa..7f306d5804 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_copysignl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_copysignl.c
@@ -1,5 +1,4 @@
 /* s_copysignl.c -- long double version of s_copysign.c.
- * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_cosl.c b/sysdeps/ieee754/ldbl-128ibm/s_cosl.c
index 54c6cc77d2..d874215865 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_cosl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_cosl.c
@@ -1,5 +1,4 @@
 /* s_cosl.c -- long double version of s_cos.c.
- * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c b/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c
index 54bf9b9cc1..cba7de6660 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c
@@ -1,5 +1,4 @@
 /* s_fabsl.c -- long double version of s_fabs.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_finitel.c b/sysdeps/ieee754/ldbl-128ibm/s_finitel.c
index 3b9e3de292..096c0ac54f 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_finitel.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_finitel.c
@@ -1,5 +1,4 @@
 /* s_finitel.c -- long double version of s_finite.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_fmal.c b/sysdeps/ieee754/ldbl-128ibm/s_fmal.c
index 6a11007626..f1b36c4642 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_fmal.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_fmal.c
@@ -1,7 +1,6 @@
 /* Compute x * y + z as ternary operation.
    Copyright (C) 2011-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by David Flaherty <flaherty@linux.vnet.ibm.com>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c b/sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c
index 57e8f16847..e3e57ca0b8 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_fpclassifyl.c
@@ -1,8 +1,6 @@
 /* Return classification value corresponding to argument.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_frexpl.c b/sysdeps/ieee754/ldbl-128ibm/s_frexpl.c
index 210c5d2ed4..4e36e9fdc0 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_frexpl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_frexpl.c
@@ -1,5 +1,4 @@
 /* s_frexpl.c -- long double version of s_frexp.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_isinfl.c b/sysdeps/ieee754/ldbl-128ibm/s_isinfl.c
index 730aa4d8d1..d2d9064eb0 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_isinfl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_isinfl.c
@@ -1,6 +1,4 @@
 /*
- * Written by J.T. Conklin <jtc@netbsd.org>.
- * Change for long double by Jakub Jelinek <jj@ultra.linux.cz>
  * Public domain.
  */
 
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_isnanl.c b/sysdeps/ieee754/ldbl-128ibm/s_isnanl.c
index 9980875df2..90bec9414e 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_isnanl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_isnanl.c
@@ -1,5 +1,4 @@
 /* s_isnanl.c -- long double version of s_isnan.c.
- * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_logbl.c b/sysdeps/ieee754/ldbl-128ibm/s_logbl.c
index 3c07c5e8e2..37ef47b6a4 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_logbl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_logbl.c
@@ -1,5 +1,4 @@
 /* s_logbl.c -- long double version of s_logb.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_modfl.c b/sysdeps/ieee754/ldbl-128ibm/s_modfl.c
index 1dc6c40e9c..dc62c12afb 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_modfl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_modfl.c
@@ -1,5 +1,4 @@
 /* s_modfl.c -- long double version of s_modf.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c b/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c
index e29f7d60a3..6909ba5f20 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c
@@ -1,5 +1,4 @@
 /* s_nextafterl.c -- long double version of s_nextafter.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_remquol.c b/sysdeps/ieee754/ldbl-128ibm/s_remquol.c
index 0f79de0c56..81b66dba54 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_remquol.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_remquol.c
@@ -1,8 +1,6 @@
 /* Compute remainder and a congruent to the quotient.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz>, 1999.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_scalblnl.c b/sysdeps/ieee754/ldbl-128ibm/s_scalblnl.c
index b6a2d30736..393973e231 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_scalblnl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_scalblnl.c
@@ -1,5 +1,4 @@
 /* s_scalblnl.c -- long double version of s_scalbln.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /* @(#)s_scalbln.c 5.1 93/09/24 */
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_scalbnl.c b/sysdeps/ieee754/ldbl-128ibm/s_scalbnl.c
index bbefa86661..d2743032b0 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_scalbnl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_scalbnl.c
@@ -1,5 +1,4 @@
 /* s_scalbnl.c -- long double version of s_scalbn.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /* @(#)s_scalbn.c 5.1 93/09/24 */
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_signbitl.c b/sysdeps/ieee754/ldbl-128ibm/s_signbitl.c
index 170797460a..04fef8f7e5 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_signbitl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_signbitl.c
@@ -1,7 +1,6 @@
 /* Return nonzero value if number is negative.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_sincosl.c b/sysdeps/ieee754/ldbl-128ibm/s_sincosl.c
index 7bce61bf14..ef674f942c 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_sincosl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_sincosl.c
@@ -1,8 +1,6 @@
 /* Compute sine and cosine of argument.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997 and
-		  Jakub Jelinek <jj@ultra.linux.cz>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_sinl.c b/sysdeps/ieee754/ldbl-128ibm/s_sinl.c
index 087921a913..8ea5a2a392 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_sinl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_sinl.c
@@ -1,5 +1,4 @@
 /* s_sinl.c -- long double version of s_sin.c.
- * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_tanl.c b/sysdeps/ieee754/ldbl-128ibm/s_tanl.c
index 66b8a0621e..7c16ebb3aa 100644
--- a/sysdeps/ieee754/ldbl-128ibm/s_tanl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/s_tanl.c
@@ -1,5 +1,4 @@
 /* s_tanl.c -- long double version of s_tan.c.
- * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
  */
 
 /* @(#)s_tan.c 5.1 93/09/24 */
diff --git a/sysdeps/ieee754/ldbl-128ibm/t_sincosl.c b/sysdeps/ieee754/ldbl-128ibm/t_sincosl.c
index e66ad9c378..a3365de803 100644
--- a/sysdeps/ieee754/ldbl-128ibm/t_sincosl.c
+++ b/sysdeps/ieee754/ldbl-128ibm/t_sincosl.c
@@ -1,7 +1,6 @@
 /* Quad-precision floating point sine and cosine tables.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/e_acoshl.c b/sysdeps/ieee754/ldbl-96/e_acoshl.c
index 0bdf4a998b..0f31e47d14 100644
--- a/sysdeps/ieee754/ldbl-96/e_acoshl.c
+++ b/sysdeps/ieee754/ldbl-96/e_acoshl.c
@@ -1,6 +1,4 @@
 /* e_acoshl.c -- long double version of e_acosh.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/e_atanhl.c b/sysdeps/ieee754/ldbl-96/e_atanhl.c
index 502ae7bb64..a0e5a33a60 100644
--- a/sysdeps/ieee754/ldbl-96/e_atanhl.c
+++ b/sysdeps/ieee754/ldbl-96/e_atanhl.c
@@ -1,6 +1,4 @@
 /* s_atanhl.c -- long double version of s_atan.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/e_gammal_r.c b/sysdeps/ieee754/ldbl-96/e_gammal_r.c
index bf64a45129..e9440b67de 100644
--- a/sysdeps/ieee754/ldbl-96/e_gammal_r.c
+++ b/sysdeps/ieee754/ldbl-96/e_gammal_r.c
@@ -1,7 +1,6 @@
 /* Implementation of gamma function according to ISO C.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/e_hypotl.c b/sysdeps/ieee754/ldbl-96/e_hypotl.c
index 7cd487e862..44e72353c0 100644
--- a/sysdeps/ieee754/ldbl-96/e_hypotl.c
+++ b/sysdeps/ieee754/ldbl-96/e_hypotl.c
@@ -1,6 +1,4 @@
 /* e_hypotl.c -- long double version of e_hypot.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/e_rem_pio2l.c b/sysdeps/ieee754/ldbl-96/e_rem_pio2l.c
index 5ee96beb4a..e895cc9184 100644
--- a/sysdeps/ieee754/ldbl-96/e_rem_pio2l.c
+++ b/sysdeps/ieee754/ldbl-96/e_rem_pio2l.c
@@ -1,7 +1,6 @@
 /* Extended-precision floating point argument reduction.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Based on quad-precision code by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/e_sinhl.c b/sysdeps/ieee754/ldbl-96/e_sinhl.c
index fcda8c660f..23ddfb6c43 100644
--- a/sysdeps/ieee754/ldbl-96/e_sinhl.c
+++ b/sysdeps/ieee754/ldbl-96/e_sinhl.c
@@ -1,6 +1,4 @@
 /* e_asinhl.c -- long double version of e_asinh.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/k_cosl.c b/sysdeps/ieee754/ldbl-96/k_cosl.c
index 380f778f7d..be48cbcc01 100644
--- a/sysdeps/ieee754/ldbl-96/k_cosl.c
+++ b/sysdeps/ieee754/ldbl-96/k_cosl.c
@@ -1,7 +1,6 @@
 /* Extended-precision floating point cosine on <-pi/4,pi/4>.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Based on quad-precision cosine by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/k_sinl.c b/sysdeps/ieee754/ldbl-96/k_sinl.c
index 9d38d78701..21796180ba 100644
--- a/sysdeps/ieee754/ldbl-96/k_sinl.c
+++ b/sysdeps/ieee754/ldbl-96/k_sinl.c
@@ -1,7 +1,6 @@
 /* Quad-precision floating point sine on <-pi/4,pi/4>.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Based on quad-precision sine by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/s_asinhl.c b/sysdeps/ieee754/ldbl-96/s_asinhl.c
index 0edd332150..fe3c8a8f9f 100644
--- a/sysdeps/ieee754/ldbl-96/s_asinhl.c
+++ b/sysdeps/ieee754/ldbl-96/s_asinhl.c
@@ -1,6 +1,4 @@
 /* s_asinhl.c -- long double version of s_asinh.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/s_cbrtl.c b/sysdeps/ieee754/ldbl-96/s_cbrtl.c
index c04ba0f62f..597b21fae7 100644
--- a/sysdeps/ieee754/ldbl-96/s_cbrtl.c
+++ b/sysdeps/ieee754/ldbl-96/s_cbrtl.c
@@ -1,8 +1,6 @@
 /* Compute cubic root of double value.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Dirk Alboth <dirka@uni-paderborn.de> and
-   Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/s_copysignl.c b/sysdeps/ieee754/ldbl-96/s_copysignl.c
index d0a6dc163a..5a30fcc6d0 100644
--- a/sysdeps/ieee754/ldbl-96/s_copysignl.c
+++ b/sysdeps/ieee754/ldbl-96/s_copysignl.c
@@ -1,6 +1,4 @@
 /* s_copysignl.c -- long double version of s_copysign.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/s_cosl.c b/sysdeps/ieee754/ldbl-96/s_cosl.c
index 324e5b9663..dc2a030ef2 100644
--- a/sysdeps/ieee754/ldbl-96/s_cosl.c
+++ b/sysdeps/ieee754/ldbl-96/s_cosl.c
@@ -1,6 +1,4 @@
 /* s_cosl.c -- long double version of s_cos.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/s_fma.c b/sysdeps/ieee754/ldbl-96/s_fma.c
index fca42f74c1..8ad7e4dc64 100644
--- a/sysdeps/ieee754/ldbl-96/s_fma.c
+++ b/sysdeps/ieee754/ldbl-96/s_fma.c
@@ -1,7 +1,6 @@
 /* Compute x * y + z as ternary operation.
    Copyright (C) 2010-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2010.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/s_fmal.c b/sysdeps/ieee754/ldbl-96/s_fmal.c
index b5d8d11bca..fad8450b29 100644
--- a/sysdeps/ieee754/ldbl-96/s_fmal.c
+++ b/sysdeps/ieee754/ldbl-96/s_fmal.c
@@ -1,7 +1,6 @@
 /* Compute x * y + z as ternary operation.
    Copyright (C) 2010-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@redhat.com>, 2010.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/s_frexpl.c b/sysdeps/ieee754/ldbl-96/s_frexpl.c
index 7c31ed9936..c610704cca 100644
--- a/sysdeps/ieee754/ldbl-96/s_frexpl.c
+++ b/sysdeps/ieee754/ldbl-96/s_frexpl.c
@@ -1,6 +1,4 @@
 /* s_frexpl.c -- long double version of s_frexp.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/s_llrintl.c b/sysdeps/ieee754/ldbl-96/s_llrintl.c
index cca9a2f0a4..eaaa49de07 100644
--- a/sysdeps/ieee754/ldbl-96/s_llrintl.c
+++ b/sysdeps/ieee754/ldbl-96/s_llrintl.c
@@ -2,7 +2,6 @@
    direction.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/s_llroundl.c b/sysdeps/ieee754/ldbl-96/s_llroundl.c
index 8b230d628e..f63cd08dcf 100644
--- a/sysdeps/ieee754/ldbl-96/s_llroundl.c
+++ b/sysdeps/ieee754/ldbl-96/s_llroundl.c
@@ -1,7 +1,6 @@
 /* Round long double value to long long int.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/s_lrintl.c b/sysdeps/ieee754/ldbl-96/s_lrintl.c
index 5e6663b70a..f9fb56fe84 100644
--- a/sysdeps/ieee754/ldbl-96/s_lrintl.c
+++ b/sysdeps/ieee754/ldbl-96/s_lrintl.c
@@ -2,7 +2,6 @@
    direction.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/s_lroundl.c b/sysdeps/ieee754/ldbl-96/s_lroundl.c
index b71bb1a923..45f75da967 100644
--- a/sysdeps/ieee754/ldbl-96/s_lroundl.c
+++ b/sysdeps/ieee754/ldbl-96/s_lroundl.c
@@ -1,7 +1,6 @@
 /* Round long double value to long int.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/s_modfl.c b/sysdeps/ieee754/ldbl-96/s_modfl.c
index 380b6f0389..b62aaac160 100644
--- a/sysdeps/ieee754/ldbl-96/s_modfl.c
+++ b/sysdeps/ieee754/ldbl-96/s_modfl.c
@@ -1,6 +1,4 @@
 /* s_modfl.c -- long double version of s_modf.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/s_nexttowardf.c b/sysdeps/ieee754/ldbl-96/s_nexttowardf.c
index 9a08e1c8ff..6009f80467 100644
--- a/sysdeps/ieee754/ldbl-96/s_nexttowardf.c
+++ b/sysdeps/ieee754/ldbl-96/s_nexttowardf.c
@@ -1,5 +1,4 @@
 /* s_nexttowardf.c -- float version of s_nextafter.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/s_remquol.c b/sysdeps/ieee754/ldbl-96/s_remquol.c
index 222c7524df..38da2f3921 100644
--- a/sysdeps/ieee754/ldbl-96/s_remquol.c
+++ b/sysdeps/ieee754/ldbl-96/s_remquol.c
@@ -1,7 +1,6 @@
 /* Compute remainder and a congruent to the quotient.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/s_roundl.c b/sysdeps/ieee754/ldbl-96/s_roundl.c
index 264bc16683..255a2c1cf3 100644
--- a/sysdeps/ieee754/ldbl-96/s_roundl.c
+++ b/sysdeps/ieee754/ldbl-96/s_roundl.c
@@ -1,7 +1,6 @@
 /* Round long double to integer away from zero.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/s_scalblnl.c b/sysdeps/ieee754/ldbl-96/s_scalblnl.c
index d752248037..166b70a91d 100644
--- a/sysdeps/ieee754/ldbl-96/s_scalblnl.c
+++ b/sysdeps/ieee754/ldbl-96/s_scalblnl.c
@@ -1,6 +1,4 @@
 /* s_scalbnl.c -- long double version of s_scalbn.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/s_signbitl.c b/sysdeps/ieee754/ldbl-96/s_signbitl.c
index eabfb25f4c..1ab6092c49 100644
--- a/sysdeps/ieee754/ldbl-96/s_signbitl.c
+++ b/sysdeps/ieee754/ldbl-96/s_signbitl.c
@@ -1,7 +1,6 @@
 /* Return nonzero value if number is negative.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/s_sincosl.c b/sysdeps/ieee754/ldbl-96/s_sincosl.c
index 99bbcc4d74..32830ed696 100644
--- a/sysdeps/ieee754/ldbl-96/s_sincosl.c
+++ b/sysdeps/ieee754/ldbl-96/s_sincosl.c
@@ -1,7 +1,6 @@
 /* Compute sine and cosine of argument.
    Copyright (C) 1997-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-96/s_sinl.c b/sysdeps/ieee754/ldbl-96/s_sinl.c
index cfbe9bf153..7e92b1de68 100644
--- a/sysdeps/ieee754/ldbl-96/s_sinl.c
+++ b/sysdeps/ieee754/ldbl-96/s_sinl.c
@@ -1,6 +1,4 @@
 /* s_sinl.c -- long double version of s_sin.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/s_tanhl.c b/sysdeps/ieee754/ldbl-96/s_tanhl.c
index b1b3e0637b..358778daa7 100644
--- a/sysdeps/ieee754/ldbl-96/s_tanhl.c
+++ b/sysdeps/ieee754/ldbl-96/s_tanhl.c
@@ -1,6 +1,4 @@
 /* s_tanhl.c -- long double version of s_tanh.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/s_tanl.c b/sysdeps/ieee754/ldbl-96/s_tanl.c
index b4163792c5..60f9e35170 100644
--- a/sysdeps/ieee754/ldbl-96/s_tanl.c
+++ b/sysdeps/ieee754/ldbl-96/s_tanl.c
@@ -1,6 +1,4 @@
 /* s_tanl.c -- long double version of s_tan.c.
- * Conversion to long double by Ulrich Drepper,
- * Cygnus Support, drepper@cygnus.com.
  */
 
 /*
diff --git a/sysdeps/ieee754/ldbl-96/t_sincosl.c b/sysdeps/ieee754/ldbl-96/t_sincosl.c
index c214ba546f..9725e02f5c 100644
--- a/sysdeps/ieee754/ldbl-96/t_sincosl.c
+++ b/sysdeps/ieee754/ldbl-96/t_sincosl.c
@@ -1,7 +1,6 @@
 /* Extended-precision floating point sine and cosine tables.
    Copyright (C) 1999-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Based on quad-precision tables by Jakub Jelinek <jj@ultra.linux.cz>
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-compat.c b/sysdeps/ieee754/ldbl-opt/nldbl-compat.c
index a6c5c49ecb..8257f0c6d6 100644
--- a/sysdeps/ieee754/ldbl-opt/nldbl-compat.c
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-compat.c
@@ -1,7 +1,6 @@
 /* *printf* family compatibility routines for IEEE double as long double
    Copyright (C) 2006-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@cygnus.com>, 2006.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-compat.h b/sysdeps/ieee754/ldbl-opt/nldbl-compat.h
index 03bb029c21..278e1dfc13 100644
--- a/sysdeps/ieee754/ldbl-opt/nldbl-compat.h
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-compat.h
@@ -1,7 +1,6 @@
 /* Prototypes for compatibility double == long double entry points.
    Copyright (C) 2006-2021 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@cygnus.com>, 2006.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public