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

   1 /* Test complex arithmetic with signed zeros.  Pure complex
   2    addition.  */
   3 /* { dg-do run } */
   4 /* { dg-options "-std=gnu99" { target c } } */
   5 /* { dg-skip-if "double support is incomplete" { "avr-*-*" } } */
   6
   7 #include "complex-sign.h"
   8
   9 #define CHECK_ADD(TYPE, COPY, ZERO, ZEROI)                      \
  10   do {                                                          \
  11     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, +, +, +, +, +, +); \
  12     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, +, +, +, -, +, +); \
  13     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, +, +, -, +, +, +); \
  14     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, +, +, -, -, +, +); \
  15     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, +, -, +, +, +, +); \
  16     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, +, -, +, -, +, -); \
  17     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, +, -, -, +, +, +); \
  18     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, +, -, -, -, +, -); \
  19     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, -, +, +, +, +, +); \
  20     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, -, +, +, -, +, +); \
  21     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, -, +, -, +, -, +); \
  22     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, -, +, -, -, -, +); \
  23     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, -, -, +, +, +, +); \
  24     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, -, -, +, -, +, -); \
  25     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, -, -, -, +, -, +); \
  26     CHECK_ARITH (TYPE, COPY, ZERO, ZEROI, +, -, -, -, -, -, -); \
  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 }