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- /* s_finitef.c -- float version of s_finite.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
- /*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
- /*
- * finitef(x) returns 1 is x is finite, else 0;
- * no branching!
- */
- #include "math.h"
- #include "math_private.h"
- int __finitef(float x)
- {
- u_int32_t ix;
- GET_FLOAT_WORD(ix, x);
- /* Finite numbers have at least one zero bit in exponent. */
- /* All other numbers will result in 0xffffffff after OR: */
- return (ix | 0x807fffff) != 0xffffffff;
- }
- libm_hidden_def(__finitef)
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