1#include "SDL_internal.h"
2/*
3 * Written by J.T. Conklin <jtc@netbsd.org>.
4 * Public domain.
5 */
6
7/*
8 * isinff(x) returns 1 if x is inf, -1 if x is -inf, else 0;
9 * no branching!
10 */
11
12#include "math.h"
13#include "math_private.h"
14
15int __isinff (float x)
16{
17 int32_t ix,t;
18 GET_FLOAT_WORD(ix,x);
19 t = ix & 0x7fffffff;
20 t ^= 0x7f800000;
21 t |= -t;
22 return ~(t >> 31) & (ix >> 30);
23}
24libm_hidden_def(__isinff)
25