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
main(void)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 }
55