view gcc/testsuite/gcc.dg/torture/builtin-sin-mpfr-1.c @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
line wrap: on
line source

/* Version 2.2.0 of MPFR had bugs in sin rounding.  This test checks
   to see if that buggy version was installed.  The problem is fixed
   in version 2.2.1 and presumably later MPFR versions.

   Origin: Kaveh R. Ghazi 10/23/2006.  */

/* { dg-do link } */

extern void link_error (int, double, double);

#define TESTIT(ARG,RES) do { \
  if (sizeof (double) == 8 && __builtin_sin(ARG) != RES) \
    link_error(__LINE__, __builtin_sin(ARG), RES); \
  } while (0);

int main()
{
  TESTIT (-0x1.c0016155c4da3p-1, -0x1.88fc58bcf030dp-1);

  TESTIT (0x1.30654d85c2756p-2, 0x1.2beeb9de27a79p-2);

  TESTIT (0x1.fe68ccaa8e201p+2, 0x1.fc3f0c54e97a7p-1);

  /* This case should always pass.  */
  TESTIT (0.0, 0.0);

  return 0;
}