1 /* sf_finite.c -- float version of s_finite.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3 */
4
5 /*
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 *
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
12 * is preserved.
13 * ====================================================
14 */
15
16 /*
17 * finitef(x) returns 1 is x is finite, else 0;
18 * no branching!
19 */
20
21 #include "fdlibm.h"
22
finitef(float x)23 int finitef(float x)
24 {
25 __int32_t ix;
26 GET_FLOAT_WORD(ix,x);
27 ix &= 0x7fffffff;
28 return (FLT_UWORD_IS_FINITE(ix));
29 }
30
31 #if defined(_HAVE_ALIAS_ATTRIBUTE)
32 #ifndef __clang__
33 #pragma GCC diagnostic ignored "-Wmissing-attributes"
34 #endif
35 __strong_reference(finitef, __finitef);
36 #else
37
38 int
__finitef(float x)39 __finitef(float x)
40 {
41 return finitef(x);
42 }
43 #endif
44
45 _MATH_ALIAS_i_f(finite)
46 _MATH_ALIAS_i_f(__finite)
47