Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/pr55019.c @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do run } */ /* { dg-options "-O1 -funroll-loops" } */ /* { dg-add-options ieee } */ extern void exit (int); extern void abort (void); void compare (double a, double b) { do { double s1 = __builtin_copysign ((double) 1.0, a); double s2 = __builtin_copysign ((double) 1.0, b); if (s1 != s2) abort (); if ((__builtin_isnan (a) != 0) != (__builtin_isnan (b) != 0)) abort (); if ((a != b) != (__builtin_isnan (a) != 0)) abort (); } while (0); } int main () { double a = 0.0; double b = 0.0; _Complex double cr = __builtin_complex (a, b); static _Complex double cs = __builtin_complex (0.0, 0.0); compare (__real__ cr, 0.0); compare (__imag__ cr, 0.0); compare (__real__ cs, 0.0); compare (__imag__ cs, 0.0); exit (0); }