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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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/* C99 6.5.4 Cast operators.
   Test valid casts involving decimal float.  */

#include "dfp-dbg.h"

_Decimal32 d32;
_Decimal64 d64;
_Decimal128 d128;

static float f = 2.f;
static double d = 2.l;

int
main (void)
{
  /* Casts between DFP types.  */
  d32 = 1.2df;
  d64 = 1.2dd;
  d128 = 1.2dl;

  if (d32 != (_Decimal32) d64)
    FAILURE
  if (d32 != (_Decimal32) d128)
    FAILURE

  if (d64 != (_Decimal64) d32)
    FAILURE
  if (d64 != (_Decimal64) d128)
    FAILURE

  if (d128 != (_Decimal128) d32)
    FAILURE
  if (d128 != (_Decimal128) d64)
    FAILURE

  /* Casts between generic and decimal floating point types.  Use a
     value that we can assume can be represented exactly in all
     representations. */
  
  d32 = 2.0df;
  d64 = 2.0dd;
  d128 = 2.0dl;

  /* To generic floating types.  */
  if ((float) d32 != 2.0f)
    FAILURE
  if ((double) d32 != 2.0l)
    FAILURE
  if ((float) d64 != 2.0f)
    FAILURE
  if ((double) d64 != 2.0l)
    FAILURE
  if ((float) d128 != 2.0f)
    FAILURE
  if ((double) d128 != 2.0l)
    FAILURE

  /* float to decimal floating types.  */
  if (d32 != (_Decimal32) f)
    FAILURE
  if (d64 != (_Decimal64) f)
    FAILURE
  if (d128 != (_Decimal128) f)
    FAILURE

  /* double to decimal floating types.  */
  if (d32 != (_Decimal32) d)
    FAILURE
  if (d64 != (_Decimal64) d)
    FAILURE
  if (d128 != (_Decimal128) d)
    FAILURE

  FINISH
}