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/* Test C99 math functions are available in C++11 without _GNU_SOURCE.
Copyright (C) 2017-2023 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
<https://www.gnu.org/licenses/>. */
#undef _GNU_SOURCE
#undef _DEFAULT_SOURCE
#undef _XOPEN_SOURCE
#undef _POSIX_SOURCE
#undef _POSIX_C_SOURCE
// __STRICT_ANSI__ gets defined by -std=c++11 in CFLAGS
#include <math.h>
#include <stdio.h>
static int
do_test (void)
{
#ifdef _GNU_SOURCE
printf ("FAIL: _GNU_SOURCE is defined.\n");
return 1;
#endif
#if __cplusplus >= 201103L
/* Verify that C11 math functions and types are defined for C++11,
without _GNU_SOURCE being defined. [BZ #21326] */
(void) FP_INFINITE;
(void) FP_NAN;
(void) FP_NORMAL;
(void) FP_SUBNORMAL;
(void) FP_ZERO;
double_t d = 1.0;
(void) d;
float_t f = 1.0f;
(void) f;
(void) acosh;
(void) acoshf;
(void) acoshl;
(void) asinh;
(void) asinhf;
(void) asinhl;
(void) atanh;
(void) atanhf;
(void) atanhl;
(void) cbrt;
(void) cbrtf;
(void) cbrtl;
(void) copysign;
(void) copysignf;
(void) copysignl;
(void) erf;
(void) erff;
(void) erfl;
(void) erfc;
(void) erfcf;
(void) erfcl;
(void) exp2;
(void) exp2f;
(void) exp2l;
(void) expm1;
(void) expm1f;
(void) expm1l;
(void) fdim;
(void) fdimf;
(void) fdiml;
(void) fma;
(void) fmaf;
(void) fmal;
(void) fmax;
(void) fmaxf;
(void) fmaxl;
(void) fmin;
(void) fminf;
(void) fminl;
(void) hypot;
(void) hypotf;
(void) hypotl;
(void) ilogb;
(void) ilogbf;
(void) ilogbl;
(void) lgamma;
(void) lgammaf;
(void) lgammal;
(void) llrint;
(void) llrintf;
(void) llrintl;
(void) llround;
(void) llroundf;
(void) llroundl;
(void) log1p;
(void) log1pf;
(void) log1pl;
(void) log2;
(void) log2f;
(void) log2l;
(void) logb;
(void) logbf;
(void) logbl;
(void) lrint;
(void) lrintf;
(void) lrintl;
(void) lround;
(void) lroundf;
(void) lroundl;
(void) nan;
(void) nanf;
(void) nanl;
(void) nearbyint;
(void) nearbyintf;
(void) nearbyintl;
(void) nextafter;
(void) nextafterf;
(void) nextafterl;
(void) nexttoward;
(void) nexttowardf;
(void) nexttowardl;
(void) remainder;
(void) remainderf;
(void) remainderl;
(void) remquo;
(void) remquof;
(void) remquol;
(void) rint;
(void) rintf;
(void) rintl;
(void) round;
(void) roundf;
(void) roundl;
(void) scalbln;
(void) scalblnf;
(void) scalblnl;
(void) scalbn;
(void) scalbnf;
(void) scalbnl;
(void) tgamma;
(void) tgammaf;
(void) tgammal;
(void) trunc;
(void) truncf;
(void) truncl;
printf ("PASS: C11 math functions present in C++11 without _GNU_SOURCE.\n");
#else
printf ("UNSUPPORTED: C++11 not enabled.\n");
#endif
return 0;
}
#include <support/test-driver.c>
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