1  /* Test complex arithmetic with signed zeros.  Mixed real/complex
       2     addition.  */
       3  /* { dg-do run } */
       4  /* { dg-options "-std=gnu99" { target c } } */
       5  /* { dg-skip-if "ptx can elide zero additions" { "nvptx-*-*" } { "-O0" } { "" } } */
       6  
       7  #include "complex-sign.h"
       8  
       9  #define CHECK_ADD(TYPE, COPY, ZERO, ZEROI)				\
      10    do {									\
      11      CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, +, +, +, +, +);		\
      12      CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, +, +, -, +, -);		\
      13      CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, +, -, +, +, +);		\
      14      CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, +, -, -, +, -);		\
      15      CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, -, +, +, +, +);		\
      16      CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, -, +, -, +, -);		\
      17      CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, -, -, +, -, +);		\
      18      CHECK_ARITH_RC (TYPE, COPY, ZERO, ZEROI, +, -, -, -, -, -);		\
      19      CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, +, +, +, ZERO, +, +);	\
      20      CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, +, +, -, ZERO, +, +);	\
      21      CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, +, -, +, ZERO, +, -);	\
      22      CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, +, -, -, ZERO, +, -);	\
      23      CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, -, +, +, ZERO, +, +);	\
      24      CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, -, +, -, ZERO, -, +);	\
      25      CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, -, -, +, ZERO, +, -);	\
      26      CHECK_ARITH_CR (TYPE, COPY, ZERO, ZEROI, +, -, -, -, ZERO, -, -);	\
      27    } while (0)
      28  
      29  void
      30  check_add_float (void)
      31  {
      32    CHECK_ADD (float, __builtin_copysignf, 0.0f, 0.0if);
      33  }
      34  
      35  void
      36  check_add_double (void)
      37  {
      38    CHECK_ADD (double, __builtin_copysign, 0.0, 0.0i);
      39  }
      40  
      41  void
      42  check_add_long_double (void)
      43  {
      44    CHECK_ADD (long double, __builtin_copysignl, 0.0l, 0.0il);
      45  }
      46  
      47  int
      48  main (void)
      49  {
      50    check_add_float ();
      51    check_add_double ();
      52    check_add_long_double ();
      53    exit (0);
      54  }