gcc/testsuite/c-c++-common/dfp/convert-bfp-8.c

   1 /* { dg-options "-w" } */
   2
   3 /* This test assumes IEEE float and double.  */
   4
   5 #define __STDC_WANT_DEC_FP__
   6 #include <float.h>
   7
   8 #include "convert.h"
   9
  10 volatile _Decimal32 sd;
  11 volatile _Decimal64 dd;
  12 volatile _Decimal128 td;
  13 volatile float sf;
  14 volatile double df;
  15
  16 /* Values slightly smaller than minimum (closest to zero) for result type.  */
  17 CONVERT_VALID (401, sd, sf, 1.e-39df, 0.f, FLT_MIN)
  18 CONVERT_VALID (402, sd, sf, -1.e-39df, 0.f, FLT_MIN)
  19 CONVERT_VALID (403, sd, sf, 1.1e-38df, 0.f, FLT_MIN)
  20 CONVERT_VALID (404, sd, sf, -1.1e-38df, 0.f, FLT_MIN)
  21
  22 CONVERT_VALID (411, dd, sf, 1.e-39dd, 0.f, FLT_MIN)
  23 CONVERT_VALID (412, dd, sf, -1.e-39dd, 0.f, FLT_MIN)
  24 CONVERT_VALID (413, dd, sf, 1.1e-38dd, 0.f, FLT_MIN)
  25 CONVERT_VALID (414, dd, sf, -1.1e-38dd, 0.f, FLT_MIN)
  26
  27 CONVERT_VALID (421, dd, df, 3.e-309dd, 0., DBL_MIN)
  28 CONVERT_VALID (422, dd, df, -3.e-309dd, 0., DBL_MIN)
  29 CONVERT_VALID (423, dd, df, 2.e-308dd, 0., DBL_MIN)
  30 CONVERT_VALID (424, dd, df, -2.e-308dd, 0., DBL_MIN)
  31
  32 CONVERT_VALID (431, td, sf, 1.e-39dl, 0.f, FLT_MIN)
  33 CONVERT_VALID (432, td, sf, -1.e-39dl, 0.f, FLT_MIN)
  34 CONVERT_VALID (433, td, sf, 1.1e-38dl, 0.f, FLT_MIN)
  35 CONVERT_VALID (434, td, sf, -1.1e-38dl, 0.f, FLT_MIN)
  36
  37 CONVERT_VALID (441, td, df, 3.e-309dl, 0., DBL_MIN)
  38 CONVERT_VALID (442, td, df, -3.e-309dl, 0., DBL_MIN)
  39 CONVERT_VALID (443, td, df, 2.e-308dl, 0., DBL_MIN)
  40 CONVERT_VALID (444, td, df, -2.e-308dl, 0., DBL_MIN)
  41
  42 int
  43 main ()
  44 {
  45   convert_401 ();
  46   convert_402 ();
  47   convert_403 ();
  48   convert_404 ();
  49
  50   convert_411 ();
  51   convert_412 ();
  52   convert_413 ();
  53   convert_414 ();
  54
  55   convert_421 ();
  56   convert_422 ();
  57   convert_423 ();
  58   convert_424 ();
  59
  60   convert_431 ();
  61   convert_432 ();
  62   convert_433 ();
  63   convert_434 ();
  64
  65   convert_441 ();
  66   convert_442 ();
  67   convert_443 ();
  68   convert_444 ();
  69
  70   FINISH
  71 }