gcc/testsuite/c-c++-common/torture/complex-sign-mixed-add.c

/* Test complex arithmetic with signed zeros.  Mixed real/complex
   addition.  */
/* { dg-do run } */
/* { dg-options "-std=gnu99" { target c } } */
/* { dg-skip-if "ptx can elide zero additions" { "nvptx-*-*" } { "-O0" } { "" } } */

#include "complex-sign.h"

#define CHECK_ADD(TYPE, COPY, ZERO, ZEROI)				\
  do {									\
    CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, +, +, +, +, +);		\
    CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, +, +, -, +, -);		\
    CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, +, -, +, +, +);		\
    CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, +, -, -, +, -);		\
    CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, -, +, +, +, +);		\
    CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, -, +, -, +, -);		\
    CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, -, -, +, -, +);		\
    CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, -, -, -, -, -);		\
    CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, +, +, +, ZERO, +, +);	\
    CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, +, +, -, ZERO, +, +);	\
    CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, +, -, +, ZERO, +, -);	\
    CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, +, -, -, ZERO, +, -);	\
    CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, -, +, +, ZERO, +, +);	\
    CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, -, +, -, ZERO, -, +);	\
    CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, -, -, +, ZERO, +, -);	\
    CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, -, -, -, ZERO, -, -);	\
  } while (0)

void
check_add_float (void)
{
  CHECK_ADD (float, __builtin_copysignf, 0.0f, 0.0if);
}

void
check_add_double (void)
{
  CHECK_ADD (double, __builtin_copysign, 0.0, 0.0i);
}

void
check_add_long_double (void)
{
  CHECK_ADD (long double, __builtin_copysignl, 0.0l, 0.0il);
}

int
main (void)
{
  check_add_float ();
  check_add_double ();
  check_add_long_double ();
  exit (0);
}