diff options
Diffstat (limited to 'sysdeps/ieee754/flt-32/s_nearbyintf.c')
| -rw-r--r-- | sysdeps/ieee754/flt-32/s_nearbyintf.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/sysdeps/ieee754/flt-32/s_nearbyintf.c b/sysdeps/ieee754/flt-32/s_nearbyintf.c deleted file mode 100644 index 5aebefafcf..0000000000 --- a/sysdeps/ieee754/flt-32/s_nearbyintf.c +++ /dev/null @@ -1,59 +0,0 @@ -/* s_rintf.c -- float version of s_rint.c. - * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com. - */ -/* Adapted for use as nearbyint by Ulrich Drepper <drepper@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 <fenv.h> -#include <math.h> -#include <math_private.h> - -static const float -TWO23[2]={ - 8.3886080000e+06, /* 0x4b000000 */ - -8.3886080000e+06, /* 0xcb000000 */ -}; - -float -__nearbyintf(float x) -{ - fenv_t env; - int32_t i0,j0,sx; - float w,t; - GET_FLOAT_WORD(i0,x); - sx = (i0>>31)&1; - j0 = ((i0>>23)&0xff)-0x7f; - if(j0<23) { - if(j0<0) { - libc_feholdexceptf (&env); - w = TWO23[sx]+x; - t = w-TWO23[sx]; - math_force_eval (t); - libc_fesetenvf (&env); - GET_FLOAT_WORD(i0,t); - SET_FLOAT_WORD(t,(i0&0x7fffffff)|(sx<<31)); - return t; - } - } else { - if(__builtin_expect(j0==0x80, 0)) return x+x; /* inf or NaN */ - else return x; /* x is integral */ - } - libc_feholdexceptf (&env); - w = TWO23[sx]+x; - t = w-TWO23[sx]; - math_force_eval (t); - libc_fesetenvf (&env); - return t; -} -weak_alias (__nearbyintf, nearbyintf) |