diff options
Diffstat (limited to 'sysdeps/ieee754/flt-32/e_ilogbf.c')
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_ilogbf.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/sysdeps/ieee754/flt-32/e_ilogbf.c b/sysdeps/ieee754/flt-32/e_ilogbf.c deleted file mode 100644 index 1ae344ea39..0000000000 --- a/sysdeps/ieee754/flt-32/e_ilogbf.c +++ /dev/null @@ -1,44 +0,0 @@ -/* s_ilogbf.c -- float version of s_ilogb.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. - * ==================================================== - */ - -#if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: s_ilogbf.c,v 1.4 1995/05/10 20:47:31 jtc Exp $"; -#endif - -#include <limits.h> -#include <math.h> -#include <math_private.h> - -int __ieee754_ilogbf(float x) -{ - int32_t hx,ix; - - GET_FLOAT_WORD(hx,x); - hx &= 0x7fffffff; - if(hx<0x00800000) { - if(hx==0) - return FP_ILOGB0; /* ilogb(0) = FP_ILOGB0 */ - else /* subnormal x */ - for (ix = -126,hx<<=8; hx>0; hx<<=1) ix -=1; - return ix; - } - else if (hx<0x7f800000) return (hx>>23)-127; - else if (FP_ILOGBNAN != INT_MAX) { - /* ISO C99 requires ilogbf(+-Inf) == INT_MAX. */ - if (hx==0x7f800000) - return INT_MAX; - } - return FP_ILOGBNAN; -} |