Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/torture/complex-sign-mul-one.c @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* Test complex arithmetic with signed zeros. Pure complex multiplication with 1.0 + 0.0i. */ /* { dg-do run } */ /* { dg-options "-std=gnu99" { target c } } */ #include "complex-sign.h" #define CHECK_MUL_INT(TYPE, COPY, ZERO, ZEROI, ONE, S1, S2, SR, SI) \ do { \ _Complex TYPE a1, b1, c1; \ volatile _Complex TYPE a2, b2, c2; \ a1 = ENCODE(ZERO, ZEROI, S1, S2); \ CHECK_RES (a1, COPY, S1, S2); \ b1 = ONE + ZEROI; \ c1 = a1 * b1; \ CHECK_RES (c1, COPY, SR, SI); \ c1 = a1 * (ONE + ZEROI); \ CHECK_RES (c1, COPY, SR, SI); \ a2 = ENCODE(ZERO, ZEROI, S1, S2); \ CHECK_RES (a2, COPY, S1, S2); \ b2 = ONE + ZEROI; \ c2 = a2 * b2; \ CHECK_RES (c2, COPY, SR, SI); \ c2 = a2 * (ONE + ZEROI); \ CHECK_RES (c2, COPY, SR, SI); \ } while (0) #define CHECK_MUL(TYPE, COPY, ZERO, ZEROI, ONE) \ do { \ CHECK_MUL_INT (TYPE, COPY, ZERO, ZEROI, ONE, +, +, +, +); \ CHECK_MUL_INT (TYPE, COPY, ZERO, ZEROI, ONE, +, -, +, +); \ CHECK_MUL_INT (TYPE, COPY, ZERO, ZEROI, ONE, -, +, -, +); \ CHECK_MUL_INT (TYPE, COPY, ZERO, ZEROI, ONE, -, -, +, -); \ } while (0) void check_mul_float (void) { CHECK_MUL (float, __builtin_copysignf, 0.0f, 0.0if, 1.0f); } void check_mul_double (void) { CHECK_MUL (double, __builtin_copysign, 0.0, 0.0i, 1.0); } void check_mul_long_double (void) { CHECK_MUL (long double, __builtin_copysignl, 0.0l, 0.0il, 1.0l); } int main (void) { check_mul_float (); check_mul_double (); check_mul_long_double (); exit (0); }