gcc/testsuite/gcc.dg/dfp/decfloat-constants.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-std=gnu99" } */
   3
   4 /* N1150 4: Characteristics of decimal floating types <decfloat.h>.
   5    C99 5.2.4.2.2a[3]: New.
   6
   7    Verify constants about range of decimal float and three components of
   8    decimal float defined in decfloat.h.  */
   9
  10 /* Make sure we are exporting the right values to decfloat.h. */
  11 #include <decfloat.h>
  12
  13 extern void abort (void);
  14
  15 int main ()
  16 {
  17   if (DEC32_MANT_DIG != 7) abort();
  18   if (DEC64_MANT_DIG != 16) abort();
  19   if (DEC128_MANT_DIG != 34) abort();
  20
  21   if (DEC32_MIN_EXP != -95) abort();
  22   if (DEC64_MIN_EXP != -383) abort();
  23   if (DEC128_MIN_EXP != -6143) abort();
  24
  25   if (DEC32_MAX_EXP != 96) abort();
  26   if (DEC64_MAX_EXP != 384) abort();
  27   if (DEC128_MAX_EXP != 6144) abort();
  28
  29   if (DEC32_MAX != 9.999999E96DF) abort();
  30   if (DEC64_MAX != 9.999999999999999E384DD) abort();
  31   if (DEC128_MAX != 9.999999999999999999999999999999999E6144DL) abort();
  32
  33   if (DEC32_EPSILON != 1E-6DF) abort();
  34   if (DEC64_EPSILON != 1E-15DD) abort();
  35   if (DEC128_EPSILON != 1E-33DL) abort();
  36
  37   if (DEC32_MIN != 1E-95DF) abort();
  38   if (DEC32_MIN != 1E-383DD) abort();
  39   if (DEC128_MIN != 1E-6143DL) abort();
  40
  41   if (DEC32_DEN != 0.000001E-95DF) abort();
  42   if (DEC64_DEN != 0.000000000000001E-383DD) abort();
  43   if (DEC128_DEN != 0.000000000000000000000000000000001E-6143DL) abort();
  44
  45   return 0;
  46 }