Update.

2001-03-11  Ulrich Drepper  <drepper@redhat.com>

	Last-bit accurate math library implementation by IBM Haifa.
	Contributed by Abraham Ziv <ziv@il.ibm.com>, Moshe Olshansky
	<olshansk@il.ibm.com>, Ealan Henis <ealan@il.ibm.com>, and
	Anna Reitman <reitman@il.ibm.com>.
	* math/Makefile (dbl-only-routines): New variable.
	(libm-routines): Add $(dbl-only-routines).
	* sysdeps/ieee754/dbl-64/e_acos.c: Empty, definition is in e_asin.c.
	* sysdeps/ieee754/dbl-64/e_asin.c: Replaced with accurate asin
	implementation.
	* sysdeps/ieee754/dbl-64/e_atan2.c: Replaced with accurate atan2
	implementation.
	* sysdeps/ieee754/dbl-64/e_exp.c: Replaced with accurate exp
	implementation.
	* sysdeps/ieee754/dbl-64/e_lgamma_r.c: Don't use __kernel_sin and
	__kernel_cos.
	* sysdeps/ieee754/dbl-64/e_log.c: Replaced with accurate log
	implementation.
	* sysdeps/ieee754/dbl-64/e_remainder.c: Replaced with accurate
	remainder implementation.
	* sysdeps/ieee754/dbl-64/e_pow.c: Replaced with accurate pow
	implementation.
	* sysdeps/ieee754/dbl-64/e_sqrt.c: Replaced with accurate sqrt
	implementation.
	* sysdeps/ieee754/dbl-64/k_cos.c: Empty, definition is in s_sin.c.
	* sysdeps/ieee754/dbl-64/k_sin.c: Empty, definition is in s_sin.c.
	* sysdeps/ieee754/dbl-64/s_atan.c: Replaced with accurate atan
	implementation.
	* sysdeps/ieee754/dbl-64/s_cos.c: Empty, definition is in s_sin.c.
	* sysdeps/ieee754/dbl-64/s_sin.c: Replaced with accurate sin/cos
	implementation.
	* sysdeps/ieee754/dbl-64/s_sincos.c: Rewritten to not use __kernel_sin
	and __kernel_cos.
	* sysdeps/ieee754/dbl-64/s_tan.c: Replaced with accurate tan
	implementation.
	* sysdeps/ieee754/dbl-64/Dist: Add new non-code files.
	* sysdeps/ieee754/dbl-64/MathLib.h: New file.
	* sysdeps/ieee754/dbl-64/asincos.tbl: New file.
	* sysdeps/ieee754/dbl-64/atnat.h: New file.
	* sysdeps/ieee754/dbl-64/atnat2.h: New file.
	* sysdeps/ieee754/dbl-64/branred.c: New file.
	* sysdeps/ieee754/dbl-64/branred.h: New file.
	* sysdeps/ieee754/dbl-64/dla.h: New file.
	* sysdeps/ieee754/dbl-64/doasin.c: New file.
	* sysdeps/ieee754/dbl-64/doasin.h: New file.
	* sysdeps/ieee754/dbl-64/dosincos.c: New file.
	* sysdeps/ieee754/dbl-64/dosincos.h: New file.
	* sysdeps/ieee754/dbl-64/endian.h: New file.
	* sysdeps/ieee754/dbl-64/halfulp.c: New file.
	* sysdeps/ieee754/dbl-64/mpa.c: New file.
	* sysdeps/ieee754/dbl-64/mpa.h: New file.
	* sysdeps/ieee754/dbl-64/mpa2.h: New file.
	* sysdeps/ieee754/dbl-64/mpatan.c: New file.
	* sysdeps/ieee754/dbl-64/mpatan.h: New file.
	* sysdeps/ieee754/dbl-64/mpatan2.c: New file.
	* sysdeps/ieee754/dbl-64/mpexp.c: New file.
	* sysdeps/ieee754/dbl-64/mpexp.h: New file.
	* sysdeps/ieee754/dbl-64/mplog.c: New file.
	* sysdeps/ieee754/dbl-64/mplog.h: New file.
	* sysdeps/ieee754/dbl-64/mpsqrt.c: New file.
	* sysdeps/ieee754/dbl-64/mpsqrt.h: New file.
	* sysdeps/ieee754/dbl-64/mptan.c: New file.
	* sysdeps/ieee754/dbl-64/mydefs.h: New file.
	* sysdeps/ieee754/dbl-64/powtwo.tbl: New file.
	* sysdeps/ieee754/dbl-64/root.tbl: New file.
	* sysdeps/ieee754/dbl-64/sincos.tbl: New file.
	* sysdeps/ieee754/dbl-64/sincos32.c: New file.
	* sysdeps/ieee754/dbl-64/sincos32.h: New file.
	* sysdeps/ieee754/dbl-64/slowexp.c: New file.
	* sysdeps/ieee754/dbl-64/slowpow.c: New file.
	* sysdeps/ieee754/dbl-64/uasncs.h: New file.
	* sysdeps/ieee754/dbl-64/uatan.tbl: New file.
	* sysdeps/ieee754/dbl-64/uexp.h: New file.
	* sysdeps/ieee754/dbl-64/uexp.tbl: New file.
	* sysdeps/ieee754/dbl-64/ulog.h: New file.
	* sysdeps/ieee754/dbl-64/ulog.tbl: New file.
	* sysdeps/ieee754/dbl-64/upow.h: New file.
	* sysdeps/ieee754/dbl-64/upow.tbl: New file.
	* sysdeps/ieee754/dbl-64/urem.h: New file.
	* sysdeps/ieee754/dbl-64/uroot.h: New file.
	* sysdeps/ieee754/dbl-64/usncs.h: New file.
	* sysdeps/ieee754/dbl-64/utan.h: New file.
	* sysdeps/ieee754/dbl-64/utan.tbl: New file.
	* sysdeps/i386/fpu/branred.c: New file.
	* sysdeps/i386/fpu/doasin.c: New file.
	* sysdeps/i386/fpu/dosincos.c: New file.
	* sysdeps/i386/fpu/halfulp.c: New file.
	* sysdeps/i386/fpu/mpa.c: New file.
	* sysdeps/i386/fpu/mpatan.c: New file.
	* sysdeps/i386/fpu/mpatan2.c: New file.
	* sysdeps/i386/fpu/mpexp.c: New file.
	* sysdeps/i386/fpu/mplog.c: New file.
	* sysdeps/i386/fpu/mpsqrt.c: New file.
	* sysdeps/i386/fpu/mptan.c: New file.
	* sysdeps/i386/fpu/sincos32.c: New file.
	* sysdeps/i386/fpu/slowexp.c: New file.
	* sysdeps/i386/fpu/slowpow.c: New file.
	* sysdeps/ia64/fpu/branred.c: New file.
	* sysdeps/ia64/fpu/doasin.c: New file.
	* sysdeps/ia64/fpu/dosincos.c: New file.
	* sysdeps/ia64/fpu/halfulp.c: New file.
	* sysdeps/ia64/fpu/mpa.c: New file.
	* sysdeps/ia64/fpu/mpatan.c: New file.
	* sysdeps/ia64/fpu/mpatan2.c: New file.
	* sysdeps/ia64/fpu/mpexp.c: New file.
	* sysdeps/ia64/fpu/mplog.c: New file.
	* sysdeps/ia64/fpu/mpsqrt.c: New file.
	* sysdeps/ia64/fpu/mptan.c: New file.
	* sysdeps/ia64/fpu/sincos32.c: New file.
	* sysdeps/ia64/fpu/slowexp.c: New file.
	* sysdeps/ia64/fpu/slowpow.c: New file.
	* sysdeps/m68k/fpu/branred.c: New file.
	* sysdeps/m68k/fpu/doasin.c: New file.
	* sysdeps/m68k/fpu/dosincos.c: New file.
	* sysdeps/m68k/fpu/halfulp.c: New file.
	* sysdeps/m68k/fpu/mpa.c: New file.
	* sysdeps/m68k/fpu/mpatan.c: New file.
	* sysdeps/m68k/fpu/mpatan2.c: New file.
	* sysdeps/m68k/fpu/mpexp.c: New file.
	* sysdeps/m68k/fpu/mplog.c: New file.
	* sysdeps/m68k/fpu/mpsqrt.c: New file.
	* sysdeps/m68k/fpu/mptan.c: New file.
	* sysdeps/m68k/fpu/sincos32.c: New file.
	* sysdeps/m68k/fpu/slowexp.c: New file.
	* sysdeps/m68k/fpu/slowpow.c: New file.

	* iconvdata/gconv-modules: Add a number of alias, mostly for IBM
	codepages.

1 files changed, 157 insertions, 0 deletions

diff --git a/sysdeps/ieee754/dbl-64/mpexp.h b/sysdeps/ieee754/dbl-64/mpexp.h
new file mode 100644
index 0000000000..16f957e2b0
--- /dev/null
+++ b/sysdeps/ieee754/dbl-64/mpexp.h
@@ -0,0 +1,157 @@
+
+/*
+ * IBM Accurate Mathematical Library
+ * Copyright (c) International Business Machines Corp., 2001
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or 
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
+ */
+/******************************************************************/
+/*                                                                */
+/* MODULE_NAME:mpexp.h                                            */
+/*                                                                */
+/* common data and variables prototype and definition             */
+/******************************************************************/
+
+#ifndef MPEXP_H
+#define MPEXP_H
+
+#ifdef BIG_ENDI
+  static const number
+        twomm1[33] = {                            /* 2**-m1 */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x3ee00000, 0x00000000, }, /* 2**-17 */
+/**/                  {0x3e800000, 0x00000000, }, /* 2**-23 */
+/**/                  {0x3e800000, 0x00000000, }, /* 2**-23 */
+/**/                  {0x3e300000, 0x00000000, }, /* 2**-28 */
+/**/                  {0x3e400000, 0x00000000, }, /* 2**-27 */
+/**/                  {0x3d900000, 0x00000000, }, /* 2**-38 */
+/**/                  {0x3d500000, 0x00000000, }, /* 2**-42 */
+/**/                  {0x3d800000, 0x00000000, }, /* 2**-39 */
+/**/                  {0x3d400000, 0x00000000, }, /* 2**-43 */
+/**/                  {0x3d000000, 0x00000000, }, /* 2**-47 */
+/**/                  {0x3d400000, 0x00000000, }, /* 2**-43 */
+/**/                  {0x3d000000, 0x00000000, }, /* 2**-47 */
+/**/                  {0x3cd00000, 0x00000000, }, /* 2**-50 */
+/**/                  {0x3c900000, 0x00000000, }, /* 2**-54 */
+/**/                  {0x3c600000, 0x00000000, }, /* 2**-57 */
+/**/                  {0x3c300000, 0x00000000, }, /* 2**-60 */
+/**/                  {0x3bf00000, 0x00000000, }, /* 2**-64 */
+/**/                  {0x3bc00000, 0x00000000, }, /* 2**-67 */
+/**/                  {0x3b800000, 0x00000000, }, /* 2**-71 */
+/**/                  {0x3b500000, 0x00000000, }, /* 2**-74 */
+/**/                  {0x3bb00000, 0x00000000, }, /* 2**-68 */
+/**/                  {0x3b800000, 0x00000000, }, /* 2**-71 */
+/**/                  {0x3b500000, 0x00000000, }, /* 2**-74 */
+/**/                  {0x3b200000, 0x00000000, }, /* 2**-77 */
+/**/                  {0x3b900000, 0x00000000, }, /* 2**-70 */
+/**/                  {0x3b600000, 0x00000000, }, /* 2**-73 */
+/**/                  {0x3b300000, 0x00000000, }, /* 2**-76 */
+/**/                  {0x3b100000, 0x00000000, }, /* 2**-78 */
+/**/                  {0x3ae00000, 0x00000000, }, /* 2**-81 */
+  };
+  static const number
+               nn[9]={                            /* n      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x3ff00000, 0x00000000, }, /* 1      */
+/**/                  {0x40000000, 0x00000000, }, /* 2      */
+/**/                  {0x40080000, 0x00000000, }, /* 3      */
+/**/                  {0x40100000, 0x00000000, }, /* 4      */
+/**/                  {0x40140000, 0x00000000, }, /* 5      */
+/**/                  {0x40180000, 0x00000000, }, /* 6      */
+/**/                  {0x401c0000, 0x00000000, }, /* 7      */
+/**/                  {0x40200000, 0x00000000, }, /* 8      */
+  };
+
+  static const number
+/**/ radix          = {0x41700000, 0x00000000, }, /* 2**24  */
+/**/ radixi         = {0x3e700000, 0x00000000, }, /* 2**-24 */
+/**/ zero           = {0x00000000, 0x00000000, }, /* 0      */
+/**/ one            = {0x3ff00000, 0x00000000, }, /* 1      */
+/**/ two            = {0x40000000, 0x00000000, }, /* 2      */
+/**/ half           = {0x3fe00000, 0x00000000, }; /* 1/2    */
+
+#else
+#ifdef LITTLE_ENDI
+  static const number
+        twomm1[33] = {                            /* 2**-m1 */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x3ee00000, }, /* 2**-17 */
+/**/                  {0x00000000, 0x3e800000, }, /* 2**-23 */
+/**/                  {0x00000000, 0x3e800000, }, /* 2**-23 */
+/**/                  {0x00000000, 0x3e300000, }, /* 2**-28 */
+/**/                  {0x00000000, 0x3e400000, }, /* 2**-27 */
+/**/                  {0x00000000, 0x3d900000, }, /* 2**-38 */
+/**/                  {0x00000000, 0x3d500000, }, /* 2**-42 */
+/**/                  {0x00000000, 0x3d800000, }, /* 2**-39 */
+/**/                  {0x00000000, 0x3d400000, }, /* 2**-43 */
+/**/                  {0x00000000, 0x3d000000, }, /* 2**-47 */
+/**/                  {0x00000000, 0x3d400000, }, /* 2**-43 */
+/**/                  {0x00000000, 0x3d000000, }, /* 2**-47 */
+/**/                  {0x00000000, 0x3cd00000, }, /* 2**-50 */
+/**/                  {0x00000000, 0x3c900000, }, /* 2**-54 */
+/**/                  {0x00000000, 0x3c600000, }, /* 2**-57 */
+/**/                  {0x00000000, 0x3c300000, }, /* 2**-60 */
+/**/                  {0x00000000, 0x3bf00000, }, /* 2**-64 */
+/**/                  {0x00000000, 0x3bc00000, }, /* 2**-67 */
+/**/                  {0x00000000, 0x3b800000, }, /* 2**-71 */
+/**/                  {0x00000000, 0x3b500000, }, /* 2**-74 */
+/**/                  {0x00000000, 0x3bb00000, }, /* 2**-68 */
+/**/                  {0x00000000, 0x3b800000, }, /* 2**-71 */
+/**/                  {0x00000000, 0x3b500000, }, /* 2**-74 */
+/**/                  {0x00000000, 0x3b200000, }, /* 2**-77 */
+/**/                  {0x00000000, 0x3b900000, }, /* 2**-70 */
+/**/                  {0x00000000, 0x3b600000, }, /* 2**-73 */
+/**/                  {0x00000000, 0x3b300000, }, /* 2**-76 */
+/**/                  {0x00000000, 0x3b100000, }, /* 2**-78 */
+/**/                  {0x00000000, 0x3ae00000, }, /* 2**-81 */
+  };
+  static const number
+               nn[9]={                            /* n      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x3ff00000, }, /* 1      */
+/**/                  {0x00000000, 0x40000000, }, /* 2      */
+/**/                  {0x00000000, 0x40080000, }, /* 3      */
+/**/                  {0x00000000, 0x40100000, }, /* 4      */
+/**/                  {0x00000000, 0x40140000, }, /* 5      */
+/**/                  {0x00000000, 0x40180000, }, /* 6      */
+/**/                  {0x00000000, 0x401c0000, }, /* 7      */
+/**/                  {0x00000000, 0x40200000, }, /* 8      */
+  };
+
+  static const number
+/**/ radix          = {0x00000000, 0x41700000, }, /* 2**24  */
+/**/ radixi         = {0x00000000, 0x3e700000, }, /* 2**-24 */
+/**/ zero           = {0x00000000, 0x00000000, }, /* 0      */
+/**/ one            = {0x00000000, 0x3ff00000, }, /* 1      */
+/**/ two            = {0x00000000, 0x40000000, }, /* 2      */
+/**/ half           = {0x00000000, 0x3fe00000, }; /* 1/2    */
+
+#endif
+#endif
+
+#define  RADIX     radix.d
+#define  RADIXI    radixi.d
+#define  ZERO      zero.d
+#define  ONE       one.d
+#define  TWO       two.d
+#define  HALF      half.d
+
+#endif