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/* Copyright (C) 2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Marek Polacek <polacek@redhat.com>, 2012.
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/>. */
/* Adapted from gcc.dg/torture/builtin-complex-1.c test from GCC
testsuite written by Joseph S. Myers. */
#include <complex.h>
static int result;
#define COMPARE_BODY(A, B, TYPE, COPYSIGN) \
do { \
TYPE s1 = COPYSIGN ((TYPE) 1.0, A); \
TYPE s2 = COPYSIGN ((TYPE) 1.0, B); \
if (s1 != s2) \
result |= 1; \
if ((__builtin_isnan (A) != 0) != (__builtin_isnan (B) != 0)) \
result |= 1; \
if ((A != B) != (__builtin_isnan (A) != 0)) \
result |= 1; \
} while (0)
#ifdef CMPLX
static void
comparef (float a, float b)
{
COMPARE_BODY (a, b, float, __builtin_copysignf);
}
static void
compare (double a, double b)
{
COMPARE_BODY (a, b, double, __builtin_copysign);
}
static void
comparel (long double a, long double b)
{
COMPARE_BODY (a, b, long double, __builtin_copysignl);
}
static void
comparecf (_Complex float a, float r, float i)
{
comparef (__real__ a, r);
comparef (__imag__ a, i);
}
static void
comparec (_Complex double a, double r, double i)
{
compare (__real__ a, r);
compare (__imag__ a, i);
}
static void
comparecl (_Complex long double a, long double r, long double i)
{
comparel (__real__ a, r);
comparel (__imag__ a, i);
}
#define VERIFY(A, B, TYPE, COMPARE, CL) \
do { \
TYPE a = A; \
TYPE b = B; \
_Complex TYPE cr = CL (a, b); \
static _Complex TYPE cs = CL (A, B); \
COMPARE (cr, A, B); \
COMPARE (cs, A, B); \
} while (0)
#define ALL_CHECKS(PZ, NZ, NAN, INF, TYPE, COMPARE, CL) \
do { \
VERIFY (PZ, PZ, TYPE, COMPARE, CL); \
VERIFY (PZ, NZ, TYPE, COMPARE, CL); \
VERIFY (PZ, NAN, TYPE, COMPARE, CL); \
VERIFY (PZ, INF, TYPE, COMPARE, CL); \
VERIFY (NZ, PZ, TYPE, COMPARE, CL); \
VERIFY (NZ, NZ, TYPE, COMPARE, CL); \
VERIFY (NZ, NAN, TYPE, COMPARE, CL); \
VERIFY (NZ, INF, TYPE, COMPARE, CL); \
VERIFY (NAN, PZ, TYPE, COMPARE, CL); \
VERIFY (NAN, NZ, TYPE, COMPARE, CL); \
VERIFY (NAN, NAN, TYPE, COMPARE, CL); \
VERIFY (NAN, INF, TYPE, COMPARE, CL); \
VERIFY (INF, PZ, TYPE, COMPARE,CL); \
VERIFY (INF, NZ, TYPE, COMPARE, CL); \
VERIFY (INF, NAN, TYPE, COMPARE, CL); \
VERIFY (INF, INF, TYPE, COMPARE, CL); \
} while (0)
static void
check_float (void)
{
ALL_CHECKS (0.0f, -0.0f, __builtin_nanf (""), __builtin_inff (),
float, comparecf, CMPLXF);
}
static void
check_double (void)
{
ALL_CHECKS (0.0, -0.0, __builtin_nan (""), __builtin_inf (),
double, comparec, CMPLX);
}
# ifndef NO_LONG_DOUBLE
static void
check_long_double (void)
{
ALL_CHECKS (0.0l, -0.0l, __builtin_nanl (""), __builtin_infl (),
long double, comparecl, CMPLXL);
}
# endif
#endif
static int
do_test (void)
{
#ifdef CMPLX
check_float ();
check_double ();
# ifndef NO_LONG_DOUBLE
check_long_double ();
# endif
#endif
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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