diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/s_floorl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_floorl.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_floorl.c b/sysdeps/ieee754/ldbl-128/s_floorl.c deleted file mode 100644 index 13ad0848a4..0000000000 --- a/sysdeps/ieee754/ldbl-128/s_floorl.c +++ /dev/null @@ -1,67 +0,0 @@ -/* s_floorl.c -- long double version of s_floor.c. - * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz. - */ - -/* - * ==================================================== - * 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: $"; -#endif - -/* - * floorl(x) - * Return x rounded toward -inf to integral value - * Method: - * Bit twiddling. - */ - -#include <math.h> -#include <math_private.h> - -_Float128 __floorl(_Float128 x) -{ - int64_t i0,i1,j0; - u_int64_t i,j; - GET_LDOUBLE_WORDS64(i0,i1,x); - j0 = ((i0>>48)&0x7fff)-0x3fff; - if(j0<48) { - if(j0<0) { - /* return 0*sign(x) if |x|<1 */ - if(i0>=0) {i0=i1=0;} - else if(((i0&0x7fffffffffffffffLL)|i1)!=0) - { i0=0xbfff000000000000ULL;i1=0;} - } else { - i = (0x0000ffffffffffffULL)>>j0; - if(((i0&i)|i1)==0) return x; /* x is integral */ - if(i0<0) i0 += (0x0001000000000000LL)>>j0; - i0 &= (~i); i1=0; - } - } else if (j0>111) { - if(j0==0x4000) return x+x; /* inf or NaN */ - else return x; /* x is integral */ - } else { - i = -1ULL>>(j0-48); - if((i1&i)==0) return x; /* x is integral */ - if(i0<0) { - if(j0==48) i0+=1; - else { - j = i1+(1LL<<(112-j0)); - if(j<i1) i0 +=1 ; /* got a carry */ - i1=j; - } - } - i1 &= (~i); - } - SET_LDOUBLE_WORDS64(x,i0,i1); - return x; -} -weak_alias (__floorl, floorl) |