gcc/testsuite/gcc.dg/torture/floatn-tg-2.h

   1 /* Tests for _FloatN / _FloatNx types: compile and execution tests for
   2    type-generic built-in functions: __builtin_isinf_sign.  Before
   3    including this file, define WIDTH as the value N; define EXT to 1
   4    for _FloatNx and 0 for _FloatN.  */
   5
   6 #define __STDC_WANT_IEC_60559_TYPES_EXT__
   7 #include <float.h>
   8
   9 #define CONCATX(X, Y) X ## Y
  10 #define CONCAT(X, Y) CONCATX (X, Y)
  11 #define CONCAT3(X, Y, Z) CONCAT (CONCAT (X, Y), Z)
  12 #define CONCAT4(W, X, Y, Z) CONCAT (CONCAT (CONCAT (W, X), Y), Z)
  13
  14 #if EXT
  15 # define TYPE CONCAT3 (_Float, WIDTH, x)
  16 # define CST(C) CONCAT4 (C, f, WIDTH, x)
  17 # define MAX CONCAT3 (FLT, WIDTH, X_MAX)
  18 #else
  19 # define TYPE CONCAT (_Float, WIDTH)
  20 # define CST(C) CONCAT3 (C, f, WIDTH)
  21 # define MAX CONCAT3 (FLT, WIDTH, _MAX)
  22 #endif
  23
  24 extern void exit (int);
  25 extern void abort (void);
  26
  27 volatile TYPE inf = __builtin_inf (), nanval = __builtin_nan ("");
  28 volatile TYPE neginf = -__builtin_inf (), negnanval = -__builtin_nan ("");
  29 volatile TYPE zero = CST (0.0), negzero = -CST (0.0), one = CST (1.0);
  30 volatile TYPE max = MAX, negmax = -MAX;
  31
  32 int
  33 main (void)
  34 {
  35   if (__builtin_isinf_sign (inf) != 1)
  36     abort ();
  37   if (__builtin_isinf_sign (neginf) != -1)
  38     abort ();
  39   if (__builtin_isinf_sign (nanval) != 0)
  40     abort ();
  41   if (__builtin_isinf_sign (negnanval) != 0)
  42     abort ();
  43   if (__builtin_isinf_sign (zero) != 0)
  44     abort ();
  45   if (__builtin_isinf_sign (negzero) != 0)
  46     abort ();
  47   if (__builtin_isinf_sign (one) != 0)
  48     abort ();
  49   if (__builtin_isinf_sign (max) != 0)
  50     abort ();
  51   if (__builtin_isinf_sign (negmax) != 0)
  52     abort ();
  53   exit (0);
  54 }