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author | Zack Weinberg <zackw@panix.com> | 2017-06-08 15:39:03 -0400 |
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committer | Zack Weinberg <zackw@panix.com> | 2017-06-08 15:39:03 -0400 |
commit | 5046dbb4a7eba5eccfd258f92f4735c9ffc8d069 (patch) | |
tree | 4470480d904b65cf14ca524f96f79eca818c3eaf /sysdeps/ieee754/ldbl-128/s_floorl.c | |
parent | 199fc19d3aaaf57944ef036e15904febe877fc93 (diff) | |
download | glibc-zack/build-layout-experiment.tar.gz glibc-zack/build-layout-experiment.tar.xz glibc-zack/build-layout-experiment.zip |
Prepare for radical source tree reorganization. zack/build-layout-experiment
All top-level files and directories are moved into a temporary storage directory, REORG.TODO, except for files that will certainly still exist in their current form at top level when we're done (COPYING, COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which are moved to the new directory OldChangeLogs, instead), and the generated file INSTALL (which is just deleted; in the new order, there will be no generated files checked into version control).
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) |