diff options
Diffstat (limited to 'newlib/libm/math/sf_isnan.c')
| -rw-r--r-- | newlib/libm/math/sf_isnan.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/newlib/libm/math/sf_isnan.c b/newlib/libm/math/sf_isnan.c deleted file mode 100644 index 8fdb6ad..0000000 --- a/newlib/libm/math/sf_isnan.c +++ /dev/null @@ -1,49 +0,0 @@ -/* sf_isnan.c -- float version of s_isnan.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. - * ==================================================== - */ - -/* - * isnanf(x) returns 1 is x is nan, else 0; - * no branching! - */ - -#include "fdlibm.h" - -#ifdef __STDC__ - int isnanf(float x) -#else - int isnanf(x) - float x; -#endif -{ - __int32_t ix; - GET_FLOAT_WORD(ix,x); - ix &= 0x7fffffff; - ix = 0x7f800000 - ix; - return (int)(((__uint32_t)(ix))>>31); -} - -#ifdef _DOUBLE_IS_32BITS - -#ifdef __STDC__ - int isnan(double x) -#else - int isnan(x) - double x; -#endif -{ - return isnanf((float) x); -} - -#endif /* defined(_DOUBLE_IS_32BITS) */ |