1eba086706
PR libquadmath/65757 * quadmath-imp.h (math_opt_barrier, math_force_eval, math_narrow_eval, math_check_force_underflow, math_check_force_underflow_nonneg): Define. * math/ceilq.c: Backport changes from upstream glibc between 2012-11-01 and 2017-07-13. * math/remquoq.c: Likewise. * math/expq.c: Likewise. * math/llroundq.c: Likewise. * math/logq.c: Likewise. * math/atanq.c: Likewise. * math/nearbyintq.c: Likewise. * math/scalblnq.c: Likewise. * math/finiteq.c: Likewise. * math/atanhq.c: Likewise. * math/expm1q.c: Likewise. * math/sinhq.c: Likewise. * math/log10q.c: Likewise. * math/rintq.c: Likewise. * math/roundq.c: Likewise. * math/fmaq.c: Likewise. * math/erfq.c: Likewise. * math/log2q.c: Likewise. * math/lroundq.c: Likewise. * math/j1q.c: Likewise. * math/scalbnq.c: Likewise. * math/truncq.c: Likewise. * math/frexpq.c: Likewise. * math/sincosq.c: Likewise. * math/tanhq.c: Likewise. * math/asinq.c: Likewise. * math/coshq.c: Likewise. * math/j0q.c: Likewise. * math/asinhq.c: Likewise. * math/floorq.c: Likewise. * math/sinq_kernel.c: Likewise. * math/powq.c: Likewise. * math/hypotq.c: Likewise. * math/sincos_table.c: Likewise. * math/rem_pio2q.c: Likewise. * math/nextafterq.c: Likewise. * math/log1pq.c: Likewise. * math/sincosq_kernel.c: Likewise. * math/tanq.c: Likewise. * math/acosq.c: Likewise. * math/lrintq.c: Likewise. * math/llrintq.c: Likewise. From-SVN: r250343
55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/* ceilq.c -- __float128 version of s_ceil.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.
|
|
* ====================================================
|
|
*/
|
|
|
|
#include "quadmath-imp.h"
|
|
|
|
__float128
|
|
ceilq (__float128 x)
|
|
{
|
|
int64_t i0,i1,j0;
|
|
uint64_t i,j;
|
|
GET_FLT128_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=0x8000000000000000ULL;i1=0;}
|
|
else if((i0|i1)!=0) { i0=0x3fff000000000000ULL;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_FLT128_WORDS64(x,i0,i1);
|
|
return x;
|
|
}
|