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

   1 /* Test complex arithmetic with signed zeros.  Mixed real/complex
   2    division.  */
   3 /* { dg-do run } */
   4 /* { dg-options "-std=gnu99" { target c } } */
   5
   6 #include "complex-sign.h"
   7
   8 #define CHECK_DIV(TYPE, COPY, ZERO, ZEROI, ONE)                         \
   9   do {                                                                  \
  10     CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, /, +, +, +, ONE, +, +);    \
  11     CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, /, +, +, -, ONE, -, -);    \
  12     CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, /, +, -, +, ONE, +, -);    \
  13     CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, /, +, -, -, ONE, -, +);    \
  14     CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, /, -, +, +, ONE, -, +);    \
  15     CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, /, -, +, -, ONE, +, -);    \
  16     CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, /, -, -, +, ONE, -, -);    \
  17     CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, /, -, -, -, ONE, +, +);    \
  18   } while (0)
  19
  20 void
  21 check_div_float (void)
  22 {
  23   CHECK_DIV (float, __builtin_copysignf, 0.0f, 0.0if, 1.0f);
  24 }
  25
  26 void
  27 check_div_double (void)
  28 {
  29   CHECK_DIV (double, __builtin_copysign, 0.0, 0.0i, 1.0);
  30 }
  31
  32 void
  33 check_div_long_double (void)
  34 {
  35   CHECK_DIV (long double, __builtin_copysignl, 0.0l, 0.0il, 1.0l);
  36 }
  37
  38 int
  39 main (void)
  40 {
  41   check_div_float ();
  42   check_div_double ();
  43   check_div_long_double ();
  44   exit (0);
  45 }