gcc/testsuite/c-c++-common/dfp/compare-eq-dfp.c

   1 /* { dg-options "-O0" } */
   2
   3 /* C99 6.5.9 Equality operators.
   4    Compare decimal float values against variables of different types.  */
   5
   6 #include "dfp-dbg.h"
   7
   8 _Decimal32 d32;
   9 _Decimal64 d64;
  10 _Decimal128 d128;
  11
  12 /* Use some typedefs of decimal float types, too.  */
  13 typedef _Decimal32 SDtype;
  14 typedef _Decimal64 DDtype;
  15 typedef _Decimal128 TDtype;
  16
  17 SDtype d32b;
  18 DDtype d64b;
  19 TDtype d128b;
  20
  21 void
  22 inits (void)
  23 {
  24   d32 = 1.0df;
  25   d64 = 3.0dd;
  26   d128 = 5.0dl;
  27   d32b = -1.0df;
  28   d64b = -4.0dd;
  29   d128b = -6.0dl;
  30 }
  31
  32 void
  33 compare_dfp (void)
  34 {
  35   if ((d32 == d64) != 0) FAILURE
  36   if ((d32 != d128b) != 1) FAILURE
  37
  38   if ((d64 != d32) != 1) FAILURE
  39   if ((d64 == d128) != 0) FAILURE
  40
  41   if ((d128 != d32) != 1) FAILURE
  42   if ((d128 == d64) != 0) FAILURE
  43 }
  44
  45 int
  46 main ()
  47 {
  48   inits ();
  49
  50   compare_dfp ();
  51
  52   FINISH
  53 }