149 lines
3.7 KiB
C
149 lines
3.7 KiB
C
/* Copyright (C) 2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Marek Polacek <polacek@redhat.com>, 2012.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* Adapted from gcc.dg/torture/builtin-complex-1.c test from GCC
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testsuite written by Joseph S. Myers. */
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#include <complex.h>
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static int result;
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#define COMPARE_BODY(A, B, TYPE, COPYSIGN) \
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do { \
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TYPE s1 = COPYSIGN ((TYPE) 1.0, A); \
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TYPE s2 = COPYSIGN ((TYPE) 1.0, B); \
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if (s1 != s2) \
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result |= 1; \
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if ((__builtin_isnan (A) != 0) != (__builtin_isnan (B) != 0)) \
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result |= 1; \
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if ((A != B) != (__builtin_isnan (A) != 0)) \
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result |= 1; \
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} while (0)
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#ifdef CMPLX
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static void
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comparef (float a, float b)
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{
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COMPARE_BODY (a, b, float, __builtin_copysignf);
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}
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static void
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compare (double a, double b)
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{
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COMPARE_BODY (a, b, double, __builtin_copysign);
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}
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static void
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comparel (long double a, long double b)
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{
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COMPARE_BODY (a, b, long double, __builtin_copysignl);
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}
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static void
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comparecf (_Complex float a, float r, float i)
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{
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comparef (__real__ a, r);
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comparef (__imag__ a, i);
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}
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static void
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comparec (_Complex double a, double r, double i)
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{
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compare (__real__ a, r);
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compare (__imag__ a, i);
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}
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static void
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comparecl (_Complex long double a, long double r, long double i)
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{
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comparel (__real__ a, r);
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comparel (__imag__ a, i);
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}
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#define VERIFY(A, B, TYPE, COMPARE, CL) \
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do { \
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TYPE a = A; \
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TYPE b = B; \
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_Complex TYPE cr = CL (a, b); \
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static _Complex TYPE cs = CL (A, B); \
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COMPARE (cr, A, B); \
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COMPARE (cs, A, B); \
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} while (0)
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#define ALL_CHECKS(PZ, NZ, NAN, INF, TYPE, COMPARE, CL) \
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do { \
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VERIFY (PZ, PZ, TYPE, COMPARE, CL); \
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VERIFY (PZ, NZ, TYPE, COMPARE, CL); \
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VERIFY (PZ, NAN, TYPE, COMPARE, CL); \
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VERIFY (PZ, INF, TYPE, COMPARE, CL); \
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VERIFY (NZ, PZ, TYPE, COMPARE, CL); \
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VERIFY (NZ, NZ, TYPE, COMPARE, CL); \
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VERIFY (NZ, NAN, TYPE, COMPARE, CL); \
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VERIFY (NZ, INF, TYPE, COMPARE, CL); \
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VERIFY (NAN, PZ, TYPE, COMPARE, CL); \
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VERIFY (NAN, NZ, TYPE, COMPARE, CL); \
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VERIFY (NAN, NAN, TYPE, COMPARE, CL); \
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VERIFY (NAN, INF, TYPE, COMPARE, CL); \
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VERIFY (INF, PZ, TYPE, COMPARE,CL); \
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VERIFY (INF, NZ, TYPE, COMPARE, CL); \
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VERIFY (INF, NAN, TYPE, COMPARE, CL); \
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VERIFY (INF, INF, TYPE, COMPARE, CL); \
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} while (0)
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static void
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check_float (void)
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{
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ALL_CHECKS (0.0f, -0.0f, __builtin_nanf (""), __builtin_inff (),
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float, comparecf, CMPLXF);
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}
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static void
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check_double (void)
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{
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ALL_CHECKS (0.0, -0.0, __builtin_nan (""), __builtin_inf (),
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double, comparec, CMPLX);
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}
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# ifndef NO_LONG_DOUBLE
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static void
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check_long_double (void)
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{
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ALL_CHECKS (0.0l, -0.0l, __builtin_nanl (""), __builtin_infl (),
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long double, comparecl, CMPLXL);
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}
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# endif
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#endif
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static int
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do_test (void)
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{
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#ifdef CMPLX
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check_float ();
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check_double ();
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# ifndef NO_LONG_DOUBLE
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check_long_double ();
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# endif
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#endif
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return result;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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