diff options
49 files changed, 692 insertions, 16 deletions
diff --git a/ChangeLog b/ChangeLog index df0291b152..ee4eacfbea 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,35 @@ +2013-04-02 Thomas Schwinge <thomas@codesourcery.com> + + * Versions.def (libm): Add GLIBC_2.18. + * include/math.h [!_ISOMAC] (__issignaling, __issignalingf): Add + hidden libm prototypes. + [!_ISOMAC && !__NO_LONG_DOUBLE_MATH] (__issignalingl): Likewise. + * math/Makefile (libm-calls): Add s_issignaling. + * math/Versions (libm: GLIBC_2.18): Add __issignaling, + __issignalingf, __issignalingl. Adjust all libm.abilist files. + * math/bits/mathcalls.h [__USE_GNU] (__issignaling): New prototype + declaration. + * math/math.h [__USE_GNU] (issignaling): New macro. + * sysdeps/ieee754/flt-32/s_issignalingf.c: New file. + * sysdeps/ieee754/dbl-64/s_issignaling.c: Likewise. + * sysdeps/ieee754/dbl-64/wordsize-64/s_issignaling.c: Likewise. + * sysdeps/ieee754/ldbl-96/s_issignalingl.c: Likewise. + * sysdeps/ieee754/ldbl-128/s_issignalingl.c: Likewise. + * sysdeps/ieee754/ldbl-128ibm/s_issignalingl.c: Likewise. + * manual/arith.texi (issignaling): New section. + * manual/libm-err-tab.pl (@all_functions): Update comment. + * math/gen-libm-test.pl (parse_args): Apply special handling for + issignaling. + * math/libm-test.inc (print_float, issignaling_test): New + functions. + (check_float_internal): Add issignaling checks. + * sysdeps/generic/math-tests.h (SNAN_TESTS_TYPE_CAST): Provide + default definition. + * sysdeps/powerpc/math-tests.h: New file. + * math/basic-test.c (TEST_FUNC, TEST_TRUNC): Add issignaling + tests. + * math/test-snan.c (TEST_FUNC): Likewise. + 2013-03-30 David S. Miller <davem@davemloft.net> * po/de.po: Update from translation team. diff --git a/NEWS b/NEWS index 82e9ed568a..3bb5cb3e94 100644 --- a/NEWS +++ b/NEWS @@ -26,6 +26,8 @@ Version 2.18 * Added a benchmark framework to track performance of functions in glibc. +* New <math.h> macro named issignaling to check for a signaling NaN (sNaN). + It is based on draft TS 18661 and currently enabled as a GNU extension. Version 2.17 diff --git a/Versions.def b/Versions.def index 7c7d1f89d3..04622397fd 100644 --- a/Versions.def +++ b/Versions.def @@ -58,6 +58,7 @@ libm { GLIBC_2.3.4 GLIBC_2.4 GLIBC_2.15 + GLIBC_2.18 } libnsl { GLIBC_2.0 diff --git a/include/math.h b/include/math.h index 2b040c67fd..cbbce59501 100644 --- a/include/math.h +++ b/include/math.h @@ -23,11 +23,14 @@ hidden_proto (__isnanl) libm_hidden_proto (__fpclassify) libm_hidden_proto (__fpclassifyf) +libm_hidden_proto (__issignaling) +libm_hidden_proto (__issignalingf) libm_hidden_proto (__exp) libm_hidden_proto (__expf) # ifndef __NO_LONG_DOUBLE_MATH libm_hidden_proto (__fpclassifyl) +libm_hidden_proto (__issignalingl) libm_hidden_proto (__expl) libm_hidden_proto (__expm1l) # endif diff --git a/manual/arith.texi b/manual/arith.texi index d060ff9463..ce8844ec2d 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -387,6 +387,14 @@ to @end smallexample @end deftypefn +@comment math.h +@comment GNU +@deftypefn {Macro} int issignaling (@emph{float-type} @var{x}) +This macro returns a nonzero value if @var{x} is a signaling NaN +(sNaN). It is based on draft TS 18661 and currently enabled as a GNU +extension. +@end deftypefn + Another set of floating-point classification functions was provided by BSD. @Theglibc{} also supports these functions; however, we recommend that you use the ISO C99 macros in new code. Those are standard diff --git a/manual/libm-err-tab.pl b/manual/libm-err-tab.pl index 5aa26039ac..15646693fe 100755 --- a/manual/libm-err-tab.pl +++ b/manual/libm-err-tab.pl @@ -77,7 +77,9 @@ use vars qw (%results @all_floats %suffices @all_functions); "remainder", "remquo", "rint", "round", "scalb", "scalbn", "scalbln", "sin", "sincos", "sinh", "sqrt", "tan", "tanh", "tgamma", "trunc", "y0", "y1", "yn" ); -# "fpclassify", "isfinite", "isnormal", "signbit" are not tabulated +# fpclassify, isnormal, isfinite, isinf, isnan, issignaling, signbit, +# isgreater, isgreaterequal, isless, islessequal, islessgreater, isunordered +# are not tabulated. if ($#ARGV == 0) { $sources = $ARGV[0]; diff --git a/math/Makefile b/math/Makefile index e216dfb96a..f396ba206a 100644 --- a/math/Makefile +++ b/math/Makefile @@ -58,7 +58,7 @@ libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod \ s_catan s_casin s_ccos s_csin s_ctan s_ctanh s_cacos \ s_casinh s_cacosh s_catanh s_csqrt s_cpow s_cproj s_clog10 \ s_fma s_lrint s_llrint s_lround s_llround e_exp10 w_log2 \ - s_isinf_ns $(calls:s_%=m_%) x2y2m1 k_casinh + s_isinf_ns s_issignaling $(calls:s_%=m_%) x2y2m1 k_casinh include ../Makeconfig diff --git a/math/Versions b/math/Versions index 09888510b1..513ab14244 100644 --- a/math/Versions +++ b/math/Versions @@ -198,4 +198,7 @@ libm { __gamma_r_finite; __gammaf_r_finite; __gammal_r_finite; __exp_finite; __expf_finite; __expl_finite; } + GLIBC_2.18 { + __issignaling; __issignalingf; __issignalingl; + } } diff --git a/math/basic-test.c b/math/basic-test.c index ffead2ec0f..9e9b848ee5 100644 --- a/math/basic-test.c +++ b/math/basic-test.c @@ -20,6 +20,9 @@ #include <float.h> #include <stdio.h> +#include <math-tests.h> + + static int errors = 0; @@ -39,6 +42,10 @@ NAME (void) \ /* Variables are declared volatile to forbid some compiler \ optimizations. */ \ volatile FLOAT Inf_var, qNaN_var, zero_var, one_var; \ + /* A sNaN is only guaranteed to be representable in variables with */ \ + /* static (or thread-local) storage duration. */ \ + static volatile FLOAT sNaN_var = __builtin_nans ## SUFFIX (""); \ + static volatile FLOAT minus_sNaN_var = -__builtin_nans ## SUFFIX (""); \ FLOAT x1, x2; \ \ zero_var = 0.0; \ @@ -49,6 +56,8 @@ NAME (void) \ (void) &zero_var; \ (void) &one_var; \ (void) &qNaN_var; \ + (void) &sNaN_var; \ + (void) &minus_sNaN_var; \ (void) &Inf_var; \ \ \ @@ -56,16 +65,41 @@ NAME (void) \ check (#FLOAT " isinf (-inf) == -1", isinf (-Inf_var) == -1); \ check (#FLOAT " !isinf (1)", !(isinf (one_var))); \ check (#FLOAT " !isinf (qNaN)", !(isinf (qNaN_var))); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " !isinf (sNaN)", !(isinf (sNaN_var))); \ \ check (#FLOAT " isnan (qNaN)", isnan (qNaN_var)); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " isnan (sNaN)", isnan (sNaN_var)); \ check (#FLOAT " isnan (-qNaN)", isnan (-qNaN_var)); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " isnan (-sNaN)", isnan (minus_sNaN_var)); \ check (#FLOAT " !isnan (1)", !(isnan (one_var))); \ check (#FLOAT " !isnan (inf)", !(isnan (Inf_var))); \ \ + check (#FLOAT " !issignaling (qNaN)", !(issignaling (qNaN_var))); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " issignaling (sNaN)", issignaling (sNaN_var)); \ + check (#FLOAT " !issignaling (-qNaN)", !(issignaling (-qNaN_var))); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " issignaling (-sNaN)", issignaling (minus_sNaN_var)); \ + check (#FLOAT " !issignaling (1)", !(issignaling (one_var))); \ + check (#FLOAT " !issignaling (inf)", !(issignaling (Inf_var))); \ + \ check (#FLOAT " inf == inf", Inf_var == Inf_var); \ check (#FLOAT " -inf == -inf", -Inf_var == -Inf_var); \ check (#FLOAT " inf != -inf", Inf_var != -Inf_var); \ check (#FLOAT " qNaN != qNaN", qNaN_var != qNaN_var); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " sNaN != sNaN", sNaN_var != sNaN_var); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " qNaN != sNaN", qNaN_var != sNaN_var); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " -sNaN != -sNaN", minus_sNaN_var != minus_sNaN_var); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " sNaN != -sNaN", sNaN_var != minus_sNaN_var); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " qNaN != -sNaN", qNaN_var != minus_sNaN_var); \ \ /* \ the same tests but this time with NAN from <bits/nan.h> \ @@ -76,6 +110,11 @@ NAME (void) \ check (#FLOAT " !isinf (NAN)", !(isinf (NAN))); \ check (#FLOAT " !isinf (-NAN)", !(isinf (-NAN))); \ check (#FLOAT " NAN != NAN", NAN != NAN); \ + check (#FLOAT " NAN != qNaN", NAN != qNaN_var); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " NAN != sNaN", NAN != sNaN_var); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " NAN != -sNaN", NAN != minus_sNaN_var); \ \ /* \ And again with the value returned by the `nan' function. \ @@ -86,6 +125,12 @@ NAME (void) \ check (#FLOAT " !isinf (-nan (\"\"))", !(isinf (-nan ## SUFFIX ("")))); \ check (#FLOAT " nan (\"\") != nan (\"\")", \ nan ## SUFFIX ("") != nan ## SUFFIX ("")); \ + check (#FLOAT " nan (\"\") != qNaN", nan ## SUFFIX ("") != qNaN_var); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " nan (\"\") != sNaN", nan ## SUFFIX ("") != sNaN_var); \ + if (SNAN_TESTS (FLOAT)) \ + check (#FLOAT " nan (\"\") != -sNaN", \ + nan ## SUFFIX ("") != minus_sNaN_var); \ \ /* test if EPSILON is ok */ \ x1 = 1.0; \ @@ -108,6 +153,9 @@ void \ NAME (void) \ { \ volatile DOUBLE Inf_var, qNaN_var, zero_var, one_var; \ + /* A sNaN is only guaranteed to be representable in variables with */ \ + /* static (or thread-local) storage duration. */ \ + static volatile DOUBLE sNaN_var = __builtin_nans ## SUFFIX (""); \ FLOAT x1, x2; \ \ zero_var = 0.0; \ @@ -116,10 +164,25 @@ NAME (void) \ Inf_var = one_var / zero_var; \ \ (void) &qNaN_var; \ + (void) &sNaN_var; \ (void) &Inf_var; \ \ x1 = (FLOAT) qNaN_var; \ - check (" "#FLOAT" x = ("#FLOAT") ("#DOUBLE") qNaN", isnan (x1) != 0); \ + check (" "#FLOAT" x = ("#FLOAT") ("#DOUBLE") qNaN, isnan", isnan (x1)); \ + check (" "#FLOAT" x = ("#FLOAT") ("#DOUBLE") qNaN, !issignaling", \ + !issignaling (x1)); \ + if (SNAN_TESTS (FLOAT)) \ + { \ + x1 = (FLOAT) sNaN_var; \ + check (" "#FLOAT" x = ("#FLOAT") ("#DOUBLE") sNaN, isnan", isnan (x1)); \ + if (SNAN_TESTS_TYPE_CAST) \ + { \ + /* Upon type conversion, a sNaN is converted into a qNaN plus an */ \ + /* INVALID exception (not checked here). */ \ + check (" "#FLOAT" x = ("#FLOAT") ("#DOUBLE") sNaN, !issignaling", \ + !issignaling (x1)); \ + } \ + } \ x2 = (FLOAT) Inf_var; \ check (" "#FLOAT" x = ("#FLOAT") ("#DOUBLE") Inf", isinf (x2) != 0); \ } diff --git a/math/bits/mathcalls.h b/math/bits/mathcalls.h index e5af507257..870c54c529 100644 --- a/math/bits/mathcalls.h +++ b/math/bits/mathcalls.h @@ -360,6 +360,12 @@ __MATHCALL (fma,, (_Mdouble_ __x, _Mdouble_ __y, _Mdouble_ __z)); __END_NAMESPACE_C99 #endif +#ifdef __USE_GNU +/* Test for signaling NaN. */ +__MATHDECL_1 (int, __issignaling,, (_Mdouble_ __value)) + __attribute__ ((__const__)); +#endif + #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED /* Return X times (2 to the Nth power). */ __MATHCALL (scalb,, (_Mdouble_ __x, _Mdouble_ __n)); diff --git a/math/gen-libm-test.pl b/math/gen-libm-test.pl index f50f1d9e02..aa60d9dbae 100755 --- a/math/gen-libm-test.pl +++ b/math/gen-libm-test.pl @@ -322,7 +322,7 @@ sub parse_args { } # Special handling for some macros: $cline .= " (\"$str\", "; - if ($args[0] =~ /fpclassify|isnormal|isfinite|isinf|isnan|signbit + if ($args[0] =~ /fpclassify|isnormal|isfinite|isinf|isnan|issignaling|signbit |isgreater|isgreaterequal|isless|islessequal |islessgreater|isunordered/x) { $c_call = "$args[0] ("; diff --git a/math/libm-test.inc b/math/libm-test.inc index 3c5e58f39f..1d3ba48b7d 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -42,7 +42,7 @@ cbrt, ceil, copysign, cos, cosh, erf, erfc, exp, exp10, exp2, expm1, fabs, fdim, finite, floor, fma, fmax, fmin, fmod, fpclassify, frexp, gamma, hypot, - ilogb, isfinite, isinf, isnan, isnormal, + ilogb, isfinite, isinf, isnan, isnormal, issignaling, isless, islessequal, isgreater, isgreaterequal, islessgreater, isunordered, j0, j1, jn, ldexp, lgamma, log, log10, log1p, log2, logb, @@ -87,9 +87,8 @@ aren't checked at the moment. NaN values: There exist signalling and quiet NaNs. This implementation - only uses quiet NaN as parameter but does not differentiate - between the two kinds of NaNs as result. Where the sign of a NaN is - significant, this is not tested. + only uses quiet NaN as parameter. Where the sign of a NaN is + significant, this is not tested. The payload of NaNs is not examined. Inline functions: Inlining functions should give an improvement in speed - but not in precission. The inlined functions return @@ -265,6 +264,19 @@ set_max_error (FLOAT current, FLOAT *curr_max_error) } +/* Print a FLOAT. */ +static void +print_float (FLOAT f) +{ + /* As printf doesn't differ between a sNaN and a qNaN, do this manually. */ + if (issignaling (f)) + printf ("sNaN\n"); + else if (isnan (f)) + printf ("qNaN\n"); + else + printf ("% .20" PRINTF_EXPR " % .20" PRINTF_XEXPR "\n", f, f); +} + /* Should the message print to screen? This depends on the verbose flag, and the test status. */ static int @@ -534,7 +546,11 @@ check_float_internal (const char *test_name, FLOAT computed, FLOAT expected, FLOAT ulp = 0; test_exceptions (test_name, exceptions); - if (isnan (computed) && isnan (expected)) + if (issignaling (computed) && issignaling (expected)) + ok = 1; + else if (issignaling (computed) || issignaling (expected)) + ok = 0; + else if (isnan (computed) && isnan (expected)) ok = 1; else if (isinf (computed) && isinf (expected)) { @@ -548,8 +564,9 @@ check_float_internal (const char *test_name, FLOAT computed, FLOAT expected, else ok = 1; } - /* Don't calc ulp for NaNs or infinities. */ - else if (isinf (computed) || isnan (computed) || isinf (expected) || isnan (expected)) + /* Don't calculate ULPs for infinities or any kind of NaNs. */ + else if (isinf (computed) || isnan (computed) + || isinf (expected) || isnan (expected)) ok = 0; else { @@ -594,10 +611,10 @@ check_float_internal (const char *test_name, FLOAT computed, FLOAT expected, printf ("Failure: "); printf ("Test: %s\n", test_name); printf ("Result:\n"); - printf (" is: % .20" PRINTF_EXPR " % .20" PRINTF_XEXPR "\n", - computed, computed); - printf (" should be: % .20" PRINTF_EXPR " % .20" PRINTF_XEXPR "\n", - expected, expected); + printf (" is: "); + print_float (computed); + printf (" should be: "); + print_float (expected); if (print_diff) { printf (" difference: % .20" PRINTF_EXPR " % .20" PRINTF_XEXPR @@ -7813,6 +7830,22 @@ isnormal_test (void) } static void +issignaling_test (void) +{ + START (issignaling); + + TEST_f_b (issignaling, 0, 0); + TEST_f_b (issignaling, minus_zero, 0); + TEST_f_b (issignaling, 10, 0); + TEST_f_b (issignaling, min_subnorm_value, 0); + TEST_f_b (issignaling, plus_infty, 0); + TEST_f_b (issignaling, minus_infty, 0); + TEST_f_b (issignaling, qnan_value, 0); + + END (issignaling); +} + +static void isunordered_test (void) { START (isunordered); @@ -12448,6 +12481,7 @@ main (int argc, char **argv) isinf_test (); isnan_test (); isnormal_test (); + issignaling_test (); signbit_test (); /* Trigonometric functions: */ diff --git a/math/math.h b/math/math.h index 2f25c237d4..e3adf096ad 100644 --- a/math/math.h +++ b/math/math.h @@ -282,6 +282,20 @@ enum #endif /* Use ISO C99. */ +#ifdef __USE_GNU +/* Return nonzero value if X is a signaling NaN. */ +# ifdef __NO_LONG_DOUBLE_MATH +# define issignaling(x) \ + (sizeof (x) == sizeof (float) ? __issignalingf (x) : __issignaling (x)) +# else +# define issignaling(x) \ + (sizeof (x) == sizeof (float) \ + ? __issignalingf (x) \ + : sizeof (x) == sizeof (double) \ + ? __issignaling (x) : __issignalingl (x)) +# endif +#endif /* Use GNU. */ + #ifdef __USE_MISC /* Support for various different standard error handling behaviors. */ typedef enum diff --git a/math/test-snan.c b/math/test-snan.c index f185cbb45c..82f1dbe209 100644 --- a/math/test-snan.c +++ b/math/test-snan.c @@ -1,4 +1,4 @@ -/* Test signaling NaNs in isnan, isinf, and similar functions. +/* Test signaling NaNs in issignaling, isnan, isinf, and similar functions. Copyright (C) 2008-2013 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>, 2005. @@ -119,6 +119,48 @@ NAME (void) \ feenableexcept (FE_ALL_EXCEPT); \ if (sigsetjmp(sigfpe_buf, 0)) \ { \ + printf (#FLOAT " issignaling (qNaN) raised SIGFPE\n"); \ + errors++; \ + } else { \ + check (#FLOAT " issignaling (qNaN)", !issignaling (qNaN_var)); \ + } \ + \ + feclearexcept(FE_ALL_EXCEPT); \ + feenableexcept (FE_ALL_EXCEPT); \ + if (sigsetjmp(sigfpe_buf, 0)) \ + { \ + printf (#FLOAT " issignaling (-qNaN) raised SIGFPE\n"); \ + errors++; \ + } else { \ + check (#FLOAT " issignaling (-qNaN)", !issignaling (-qNaN_var)); \ + } \ + \ + feclearexcept(FE_ALL_EXCEPT); \ + feenableexcept (FE_ALL_EXCEPT); \ + if (sigsetjmp(sigfpe_buf, 0)) \ + { \ + printf (#FLOAT " issignaling (sNaN) raised SIGFPE\n"); \ + errors++; \ + } else { \ + check (#FLOAT " issignaling (sNaN)", \ + SNAN_TESTS (FLOAT) ? issignaling (sNaN_var) : 1); \ + } \ + \ + feclearexcept(FE_ALL_EXCEPT); \ + feenableexcept (FE_ALL_EXCEPT); \ + if (sigsetjmp(sigfpe_buf, 0)) \ + { \ + printf (#FLOAT " issignaling (-sNaN) raised SIGFPE\n"); \ + errors++; \ + } else { \ + check (#FLOAT " issignaling (-sNaN)", \ + SNAN_TESTS (FLOAT) ? issignaling (minus_sNaN_var) : 1); \ + } \ + \ + feclearexcept(FE_ALL_EXCEPT); \ + feenableexcept (FE_ALL_EXCEPT); \ + if (sigsetjmp(sigfpe_buf, 0)) \ + { \ printf (#FLOAT " isnan (qNaN) raised SIGFPE\n"); \ errors++; \ } else { \ diff --git a/ports/ChangeLog.hppa b/ports/ChangeLog.hppa index 0610c177d9..6aa0e9188b 100644 --- a/ports/ChangeLog.hppa +++ b/ports/ChangeLog.hppa @@ -1,3 +1,7 @@ +2013-04-02 Thomas Schwinge <thomas@codesourcery.com> + + * sysdeps/hppa/math_private.h: New file. + 2013-03-06 Andreas Jaeger <aj@suse.de> * sysdeps/unix/sysv/linux/hppa/bits/msq.h (MSG_COPY): Define. diff --git a/ports/ChangeLog.mips b/ports/ChangeLog.mips index 539cacf19d..b221512655 100644 --- a/ports/ChangeLog.mips +++ b/ports/ChangeLog.mips @@ -1,3 +1,7 @@ +2013-04-02 Thomas Schwinge <thomas@codesourcery.com> + + * sysdeps/mips/math_private.h: New file. + 2013-03-20 Joseph Myers <joseph@codesourcery.com> * sysdeps/unix/sysv/linux/mips/configure.in (default-abi): Set diff --git a/ports/sysdeps/hppa/math_private.h b/ports/sysdeps/hppa/math_private.h new file mode 100644 index 0000000000..03b0711e06 --- /dev/null +++ b/ports/sysdeps/hppa/math_private.h @@ -0,0 +1,27 @@ +/* Internal math stuff. HPPA version. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _MATH_PRIVATE_H + +/* One of the few architectures where the meaning of the quiet/signaling bit is + inverse to IEEE 754-2008 (as well as common practice for IEEE 754-1985). */ +#define HIGH_ORDER_BIT_IS_SET_FOR_SNAN + +#include_next <math_private.h> + +#endif diff --git a/ports/sysdeps/mips/math_private.h b/ports/sysdeps/mips/math_private.h new file mode 100644 index 0000000000..f0ba4ee706 --- /dev/null +++ b/ports/sysdeps/mips/math_private.h @@ -0,0 +1,27 @@ +/* Internal math stuff. MIPS version. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _MATH_PRIVATE_H + +/* One of the few architectures where the meaning of the quiet/signaling bit is + inverse to IEEE 754-2008 (as well as common practice for IEEE 754-1985). */ +#define HIGH_ORDER_BIT_IS_SET_FOR_SNAN + +#include_next <math_private.h> + +#endif diff --git a/ports/sysdeps/unix/sysv/linux/aarch64/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/aarch64/nptl/libm.abilist index 14b7edfe2e..0f1cfc8702 100644 --- a/ports/sysdeps/unix/sysv/linux/aarch64/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/aarch64/nptl/libm.abilist @@ -395,3 +395,8 @@ GLIBC_2.17 yn F ynf F ynl F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F diff --git a/ports/sysdeps/unix/sysv/linux/alpha/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/alpha/nptl/libm.abilist index 9c4170dbe4..400a851d4d 100644 --- a/ports/sysdeps/unix/sysv/linux/alpha/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/alpha/nptl/libm.abilist @@ -391,6 +391,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2 GLIBC_2.2 A feclearexcept F diff --git a/ports/sysdeps/unix/sysv/linux/arm/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/arm/nptl/libm.abilist index cee34728d8..614e5ebe5c 100644 --- a/ports/sysdeps/unix/sysv/linux/arm/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/arm/nptl/libm.abilist @@ -54,6 +54,10 @@ GLIBC_2.15 __y1f_finite F __yn_finite F __ynf_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F GLIBC_2.4 GLIBC_2.4 A _LIB_VERSION D 0x4 diff --git a/ports/sysdeps/unix/sysv/linux/ia64/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/ia64/nptl/libm.abilist index 1fb51a118d..db8b279110 100644 --- a/ports/sysdeps/unix/sysv/linux/ia64/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/ia64/nptl/libm.abilist @@ -18,6 +18,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2 GLIBC_2.2 A _LIB_VERSION D 0x4 diff --git a/ports/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libm.abilist index cee34728d8..614e5ebe5c 100644 --- a/ports/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/m68k/coldfire/nptl/libm.abilist @@ -54,6 +54,10 @@ GLIBC_2.15 __y1f_finite F __yn_finite F __ynf_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F GLIBC_2.4 GLIBC_2.4 A _LIB_VERSION D 0x4 diff --git a/ports/sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libm.abilist index 35fc1e3d72..0beecb7246 100644 --- a/ports/sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/m68k/m680x0/nptl/libm.abilist @@ -396,6 +396,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2 GLIBC_2.2 A feclearexcept F diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips32/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/mips/mips32/nptl/libm.abilist index defa1b0b49..53812463c4 100644 --- a/ports/sysdeps/unix/sysv/linux/mips/mips32/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/mips/mips32/nptl/libm.abilist @@ -212,6 +212,10 @@ GLIBC_2.15 __y1f_finite F __yn_finite F __ynf_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F GLIBC_2.2 GLIBC_2.2 A __clog10 F diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/nptl/libm.abilist index 064eeba0b1..bb39795179 100644 --- a/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/mips/mips64/n32/nptl/libm.abilist @@ -239,6 +239,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2 GLIBC_2.2 A __clog10 F diff --git a/ports/sysdeps/unix/sysv/linux/mips/mips64/n64/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/mips/mips64/n64/nptl/libm.abilist index 064eeba0b1..bb39795179 100644 --- a/ports/sysdeps/unix/sysv/linux/mips/mips64/n64/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/mips/mips64/n64/nptl/libm.abilist @@ -239,6 +239,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2 GLIBC_2.2 A __clog10 F diff --git a/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libm.abilist index ddc8576866..9bd593c0e9 100644 --- a/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libm.abilist @@ -396,6 +396,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2 GLIBC_2.2 A feclearexcept F diff --git a/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libm.abilist index 601b505ead..cb0d1a4423 100644 --- a/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libm.abilist @@ -367,3 +367,7 @@ GLIBC_2.15 __y1f_finite F __yn_finite F __ynf_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F diff --git a/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libm.abilist index 601b505ead..cb0d1a4423 100644 --- a/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libm.abilist @@ -367,3 +367,7 @@ GLIBC_2.15 __y1f_finite F __yn_finite F __ynf_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F diff --git a/ports/sysdeps/unix/sysv/linux/tile/tilepro/nptl/libm.abilist b/ports/sysdeps/unix/sysv/linux/tile/tilepro/nptl/libm.abilist index 601b505ead..cb0d1a4423 100644 --- a/ports/sysdeps/unix/sysv/linux/tile/tilepro/nptl/libm.abilist +++ b/ports/sysdeps/unix/sysv/linux/tile/tilepro/nptl/libm.abilist @@ -367,3 +367,7 @@ GLIBC_2.15 __y1f_finite F __yn_finite F __ynf_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F diff --git a/sysdeps/generic/math-tests.h b/sysdeps/generic/math-tests.h index 76f738ee99..da8747a944 100644 --- a/sysdeps/generic/math-tests.h +++ b/sysdeps/generic/math-tests.h @@ -34,3 +34,9 @@ (sizeof (x) == sizeof (float) ? SNAN_TESTS_float \ : sizeof (x) == sizeof (double) ? SNAN_TESTS_double \ : SNAN_TESTS_long_double) + +/* Indicate whether to run tests involving type casts of sNaN values. These + are run unless overridden. */ +#ifndef SNAN_TESTS_TYPE_CAST +# define SNAN_TESTS_TYPE_CAST 1 +#endif diff --git a/sysdeps/ieee754/dbl-64/s_issignaling.c b/sysdeps/ieee754/dbl-64/s_issignaling.c new file mode 100644 index 0000000000..f475bc7bdf --- /dev/null +++ b/sysdeps/ieee754/dbl-64/s_issignaling.c @@ -0,0 +1,46 @@ +/* Test for signaling NaN. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <math.h> +#include <math_private.h> + +int +__issignaling (double x) +{ +#ifdef HIGH_ORDER_BIT_IS_SET_FOR_SNAN + u_int32_t hxi; + GET_HIGH_WORD (hxi, x); + /* We only have to care about the high-order bit of x's significand, because + having it set (sNaN) already makes the significand different from that + used to designate infinity. */ + return (hxi & 0x7ff80000) == 0x7ff80000; +#else + u_int32_t hxi, lxi; + EXTRACT_WORDS (hxi, lxi, x); + /* To keep the following comparison simple, toggle the quiet/signaling bit, + so that it is set for sNaNs. This is inverse to IEEE 754-2008 (as well as + common practice for IEEE 754-1985). */ + hxi ^= 0x00080000; + /* If lxi != 0, then set any suitable bit of the significand in hxi. */ + hxi |= (lxi | -lxi) >> 31; + /* We have to compare for greater (instead of greater or equal), because x's + significand being all-zero designates infinity not NaN. */ + return (hxi & 0x7fffffff) > 0x7ff80000; +#endif +} +libm_hidden_def (__issignaling) diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_issignaling.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_issignaling.c new file mode 100644 index 0000000000..3fa0254374 --- /dev/null +++ b/sysdeps/ieee754/dbl-64/wordsize-64/s_issignaling.c @@ -0,0 +1,43 @@ +/* Test for signaling NaN. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <math.h> +#include <math_private.h> + +int +__issignaling (double x) +{ + u_int64_t xi; + EXTRACT_WORDS64 (xi, x); +#ifdef HIGH_ORDER_BIT_IS_SET_FOR_SNAN +# error untested + /* We only have to care about the high-order bit of x's significand, because + having it set (sNaN) already makes the significand different from that + used to designate infinity. */ + return (xi & UINT64_C (0x7ff8000000000000)) == UINT64_C (0x7ff8000000000000); +#else + /* To keep the following comparison simple, toggle the quiet/signaling bit, + so that it is set for sNaNs. This is inverse to IEEE 754-2008 (as well as + common practice for IEEE 754-1985). */ + xi ^= UINT64_C (0x0008000000000000); + /* We have to compare for greater (instead of greater or equal), because x's + significand being all-zero designates infinity not NaN. */ + return (xi & UINT64_C (0x7fffffffffffffff)) > UINT64_C (0x7ff8000000000000); +#endif +} +libm_hidden_def (__issignaling) diff --git a/sysdeps/ieee754/flt-32/s_issignalingf.c b/sysdeps/ieee754/flt-32/s_issignalingf.c new file mode 100644 index 0000000000..59a189252e --- /dev/null +++ b/sysdeps/ieee754/flt-32/s_issignalingf.c @@ -0,0 +1,42 @@ +/* Test for signaling NaN. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <math.h> +#include <math_private.h> + +int +__issignalingf (float x) +{ + u_int32_t xi; + GET_FLOAT_WORD (xi, x); +#ifdef HIGH_ORDER_BIT_IS_SET_FOR_SNAN + /* We only have to care about the high-order bit of x's significand, because + having it set (sNaN) already makes the significand different from that + used to designate infinity. */ + return (xi & 0x7fc00000) == 0x7fc00000; +#else + /* To keep the following comparison simple, toggle the quiet/signaling bit, + so that it is set for sNaNs. This is inverse to IEEE 754-2008 (as well as + common practice for IEEE 754-1985). */ + xi ^= 0x00400000; + /* We have to compare for greater (instead of greater or equal), because x's + significand being all-zero designates infinity not NaN. */ + return (xi & 0x7fffffff) > 0x7fc00000; +#endif +} +libm_hidden_def (__issignalingf) diff --git a/sysdeps/ieee754/ldbl-128/s_issignalingl.c b/sysdeps/ieee754/ldbl-128/s_issignalingl.c new file mode 100644 index 0000000000..b69a66d0ba --- /dev/null +++ b/sysdeps/ieee754/ldbl-128/s_issignalingl.c @@ -0,0 +1,45 @@ +/* Test for signaling NaN. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <math.h> +#include <math_private.h> + +int +__issignalingl (long double x) +{ + u_int64_t hxi, lxi __attribute__ ((unused)); + GET_LDOUBLE_WORDS64 (hxi, lxi, x); +#ifdef HIGH_ORDER_BIT_IS_SET_FOR_SNAN + /* We only have to care about the high-order bit of x's significand, because + having it set (sNaN) already makes the significand different from that + used to designate infinity. */ + return ((hxi & UINT64_C (0x7fff800000000000)) + == UINT64_C (0x7fff800000000000)); +#else + /* To keep the following comparison simple, toggle the quiet/signaling bit, + so that it is set for sNaNs. This is inverse to IEEE 754-2008 (as well as + common practice for IEEE 754-1985). */ + hxi ^= UINT64_C (0x0000800000000000); + /* If lxi != 0, then set any suitable bit of the significand in hxi. */ + hxi |= (lxi | -lxi) >> 63; + /* We have to compare for greater (instead of greater or equal), because x's + significand being all-zero designates infinity not NaN. */ + return (hxi & UINT64_C (0x7fffffffffffffff)) > UINT64_C (0x7fff800000000000); +#endif +} +libm_hidden_def (__issignalingl) diff --git a/sysdeps/ieee754/ldbl-128ibm/s_issignalingl.c b/sysdeps/ieee754/ldbl-128ibm/s_issignalingl.c new file mode 100644 index 0000000000..96fab1aff1 --- /dev/null +++ b/sysdeps/ieee754/ldbl-128ibm/s_issignalingl.c @@ -0,0 +1,45 @@ +/* Test for signaling NaN. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <math.h> +#include <math_private.h> + +int +__issignalingl (long double x) +{ + u_int64_t xi; + /* For inspecting NaN status, we only have to look at the first of the pair + of IEEE 754 64-bit precision numbers. */ + GET_LDOUBLE_MSW64 (xi, x); +#ifdef HIGH_ORDER_BIT_IS_SET_FOR_SNAN +# error untested + /* We only have to care about the high-order bit of x's significand, because + having it set (sNaN) already makes the significand different from that + used to designate infinity. */ + return (xi & UINT64_C (0x7ff8000000000000)) == UINT64_C (0x7ff8000000000000); +#else + /* To keep the following comparison simple, toggle the quiet/signaling bit, + so that it is set for sNaNs. This is inverse to IEEE 754-2008 (as well as + common practice for IEEE 754-1985). */ + xi ^= UINT64_C (0x0008000000000000); + /* We have to compare for greater (instead of greater or equal), because x's + significand being all-zero designates infinity not NaN. */ + return (xi & UINT64_C (0x7fffffffffffffff)) > UINT64_C (0x7ff8000000000000); +#endif +} +libm_hidden_def (__issignalingl) diff --git a/sysdeps/ieee754/ldbl-96/s_issignalingl.c b/sysdeps/ieee754/ldbl-96/s_issignalingl.c new file mode 100644 index 0000000000..107aff1516 --- /dev/null +++ b/sysdeps/ieee754/ldbl-96/s_issignalingl.c @@ -0,0 +1,43 @@ +/* Test for signaling NaN. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <math.h> +#include <math_private.h> + +int +__issignalingl (long double x) +{ + u_int32_t exi, hxi, lxi; + GET_LDOUBLE_WORDS (exi, hxi, lxi, x); +#ifdef HIGH_ORDER_BIT_IS_SET_FOR_SNAN +# error not implemented +#else + /* To keep the following comparison simple, toggle the quiet/signaling bit, + so that it is set for sNaNs. This is inverse to IEEE 754-2008 (as well as + common practice for IEEE 754-1985). */ + hxi ^= 0x40000000; + /* If lxi != 0, then set any suitable bit of the significand in hxi. */ + hxi |= (lxi | -lxi) >> 31; + /* We do not recognize a pseudo NaN as sNaN; they're invalid on 80387 and + later. */ + /* We have to compare for greater (instead of greater or equal), because x's + significand being all-zero designates infinity not NaN. */ + return ((exi & 0x7fff) == 0x7fff) && (hxi > 0xc0000000); +#endif +} +libm_hidden_def (__issignalingl) diff --git a/sysdeps/powerpc/math-tests.h b/sysdeps/powerpc/math-tests.h new file mode 100644 index 0000000000..0f09610eea --- /dev/null +++ b/sysdeps/powerpc/math-tests.h @@ -0,0 +1,26 @@ +/* Configuration for math tests. PowerPC version. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library 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 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* On PowerPC, in versions of GCC up to at least 4.7.2, a type cast -- which is + a IEEE 754-2008 general-computational convertFormat operation (IEEE + 754-2008, 5.4.2) -- does not turn a sNaN into a qNaN (whilst raising an + INVALID exception), which is contrary to IEEE 754-2008 5.1 and 7.2. This + renders certain tests infeasible in this scenario. */ +#define SNAN_TESTS_TYPE_CAST 0 + +#include_next <math-tests.h> diff --git a/sysdeps/unix/sysv/linux/i386/nptl/libm.abilist b/sysdeps/unix/sysv/linux/i386/nptl/libm.abilist index 401a2c6ddf..c185f0b205 100644 --- a/sysdeps/unix/sysv/linux/i386/nptl/libm.abilist +++ b/sysdeps/unix/sysv/linux/i386/nptl/libm.abilist @@ -396,6 +396,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2 GLIBC_2.2 A __expl F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/nptl/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/nptl/libm.abilist index 620aff9e94..76a4ba31db 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/nptl/libm.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/nptl/libm.abilist @@ -397,6 +397,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2 GLIBC_2.2 A feclearexcept F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/nptl/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/nptl/libm.abilist index 89422ab9f4..d309a6fa1a 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/nptl/libm.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/nptl/libm.abilist @@ -81,6 +81,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.3 GLIBC_2.3 A _LIB_VERSION D 0x4 diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libm.abilist index ae8af50eb8..f836c90d94 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libm.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-32/nptl/libm.abilist @@ -393,6 +393,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2 GLIBC_2.2 A fedisableexcept F diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libm.abilist index acf4d68514..a0891ad252 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libm.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-64/nptl/libm.abilist @@ -81,6 +81,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2 GLIBC_2.2 A _LIB_VERSION D 0x4 diff --git a/sysdeps/unix/sysv/linux/sh/nptl/libm.abilist b/sysdeps/unix/sysv/linux/sh/nptl/libm.abilist index d85192910f..92821fdbb9 100644 --- a/sysdeps/unix/sysv/linux/sh/nptl/libm.abilist +++ b/sysdeps/unix/sysv/linux/sh/nptl/libm.abilist @@ -54,6 +54,10 @@ GLIBC_2.15 __y1f_finite F __yn_finite F __ynf_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F GLIBC_2.2 GLIBC_2.2 A _LIB_VERSION D 0x4 diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/nptl/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/nptl/libm.abilist index 4c6ec6b712..9a1fcb1b46 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/nptl/libm.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/nptl/libm.abilist @@ -388,6 +388,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2 GLIBC_2.2 A feclearexcept F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/nptl/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/nptl/libm.abilist index 22fb92aec5..2b41d34225 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/nptl/libm.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/nptl/libm.abilist @@ -81,6 +81,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2 GLIBC_2.2 A _LIB_VERSION D 0x4 diff --git a/sysdeps/unix/sysv/linux/x86_64/64/nptl/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/64/nptl/libm.abilist index 7bf568c51c..2390934678 100644 --- a/sysdeps/unix/sysv/linux/x86_64/64/nptl/libm.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/64/nptl/libm.abilist @@ -81,6 +81,11 @@ GLIBC_2.15 __yn_finite F __ynf_finite F __ynl_finite F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F GLIBC_2.2.5 GLIBC_2.2.5 A _LIB_VERSION D 0x4 diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/nptl/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/nptl/libm.abilist index 0f3ea4ba40..1825adb1b3 100644 --- a/sysdeps/unix/sysv/linux/x86_64/x32/nptl/libm.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/x32/nptl/libm.abilist @@ -395,3 +395,8 @@ GLIBC_2.16 yn F ynf F ynl F +GLIBC_2.18 + GLIBC_2.18 A + __issignaling F + __issignalingf F + __issignalingl F |