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Diffstat (limited to 'newlib/libm/math/sf_signif.c')
| -rw-r--r-- | newlib/libm/math/sf_signif.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/newlib/libm/math/sf_signif.c b/newlib/libm/math/sf_signif.c new file mode 100644 index 00000000000..fd4a072479a --- /dev/null +++ b/newlib/libm/math/sf_signif.c @@ -0,0 +1,40 @@ +/* sf_signif.c -- float version of s_signif.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. + * ==================================================== + */ + +#include "fdlibm.h" + +#ifdef __STDC__ + float significandf(float x) +#else + float significandf(x) + float x; +#endif +{ + return __ieee754_scalbf(x,(float) -ilogbf(x)); +} + +#ifdef _DOUBLE_IS_32BITS + +#ifdef __STDC__ + double significand(double x) +#else + double significand(x) + double x; +#endif +{ + return (double) significandf((float) x); +} + +#endif /* defined(_DOUBLE_IS_32BITS) */ |