1234567891011121314151617181920212223 |
- /*
- * Written by J.T. Conklin <jtc@netbsd.org>.
- * Public domain.
- */
- /*
- * isinff(x) returns 1 if x is inf, -1 if x is -inf, else 0;
- * no branching!
- */
- #include "math.h"
- #include "math_private.h"
- int __isinff (float x)
- {
- int32_t ix,t;
- GET_FLOAT_WORD(ix,x);
- t = ix & 0x7fffffff;
- t ^= 0x7f800000;
- t |= -t;
- return ~(t >> 31) & (ix >> 30);
- }
- libm_hidden_def(__isinff)
|