diff options
Diffstat (limited to 'libm/src/s_significand.c')
-rw-r--r-- | libm/src/s_significand.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libm/src/s_significand.c b/libm/src/s_significand.c new file mode 100644 index 0000000..1a21636 --- /dev/null +++ b/libm/src/s_significand.c @@ -0,0 +1,30 @@ + +/* @(#)s_significand.c 1.3 95/01/18 */ +/* + * ==================================================== + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. + * + * Developed at SunSoft, a Sun Microsystems, Inc. business. + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +/* + * significand(x) computes just + * scalb(x, (double) -ilogb(x)), + * for exercising the fraction-part(F) IEEE 754-1985 test vector. + */ + +#include "fdlibm.h" + +#ifdef __STDC__ + double significand(double x) +#else + double significand(x) + double x; +#endif +{ + return __ieee754_scalb(x,(double) -ilogb(x)); +} |