Makefile.am (libquadmath_la_SOURCES): Add new math/* files.
2012-11-01 Tobias Burnus <burnus@net-b.de>
* Makefile.am (libquadmath_la_SOURCES): Add new math/* files.
* Makefile.in: Regenerated.
* math/acoshq.c: Update comment.
* math/acosq.c: Ditto.
* math/asinhq.c: Ditto.
* math/asinq.c: Ditto.
* math/atan2q.c: Ditto.
* math/atanhq.c: Ditto.
* math/ceilq.c: Ditto.
* math/copysignq.c: Ditto.
* math/cosq.c: Ditto.
* math/coshq.c: Ditto.
* math/erfq.c: Ditto.
* math/fabsq.c: Ditto.
* math/finiteq.c: Ditto.
* math/floorq.c: Ditto.
* math/fmodq.c: Ditto.
* math/frexpq.c: Ditto.
* math/isnanq.c: Ditto.
* math/j0q.c: Ditto.
* math/j1q.c: Ditto.
* math/ldexpq.c: Ditto.
* math/llroundq.c: Ditto.
* math/log10q.c: Ditto.
* math/log1pq.c: Ditto.
* math/log2q.c: Ditto.
* math/logq.c: Ditto.
* math/lroundq.c: Ditto.
* math/modfq.c: Ditto.
* math/nextafterq.c: Ditto.
* math/powq.c: Ditto.
* math/rem_pio2q.c: Ditto.
* math/remainderq.c: Ditto.
* math/rintq.c: Ditto.
* math/roundq.c: Ditto.
* math/scalblnq.c: Ditto.
* math/scalbnq.c: Ditto.
* math/sincosq_kernel.c: Ditto.
* math/sinq.c: Ditto.
* math/tanq.c: Ditto.
* math/expq.c: Ditto.
(__expq_table, expq): Renamed local array from __expl_table.
* math/cosq_kernel.c (__quadmath_kernel_cosq): Fix sign
* handling.
* math/cacoshq.c: Changes from GLIBC; fix returned sign.
* math/casinhq.c: Changes from GLIBC to fix special-case.
* math/cbrtq.c: Use modified GLIBC version.
* math/complex.c (ccoshd, cexpq, clog10q, clogq, csinhq, csinq,
ctanhq, ctanq): Moved to separates files.
(mult_c128, div_c128): Removed no longer needed functions.
(cexpiq): Call sincosq instead of sinq and cosq.
(cosq): Call cosh(-re,im) instead of cosq/sinq/sinh/cosh.
* math/ccoshq.c (ccoshq): New file, moved from complex.c and
modified based on GLIBC.
* math/cexpq.c (cexp): Ditto.
* math/clog10q.c (clog10q): Ditto.
* math/clogq.c (clogq): Ditto.
* math/csinhq.c: Ditto.
* math/csinq.c: Ditto.
* math/csqrtq.c: Ditto.
* math/ctanhq.c: Ditto.
* math/ctanq.c: Ditto.
* math/fmaq.c (fmaq): Port TININESS_AFTER_ROUNDING handling
from GLIBC.
* math/ilogbq.c (ilogbq): Add errno = EDOM handling.
* math/isinf_nsq.c (__quadmath_isinf_nsq): New file, ported
from GLIBC.
* math/lgammaq.c (lgammaq): Add signgam handling.
* math/sinhq.c (sinhq): Fix sign handling.
* math/sinq_kernel.c (__quadmath_kernel_sinq): Ditto.
* math/tgammaq.c (tgammaq): Ditto.
* math/x2y2m1q.c: New file.
* quadmath-imp.h (TININESS_AFTER_ROUNDING): New define.
(__quadmath_x2y2m1q, __quadmath_isinf_nsq): New prototypes.
From-SVN: r193063
2012-11-01 17:14:42 +01:00
|
|
|
/* rintq.c -- __float128 version of s_rint.c.
|
2010-11-16 22:23:19 +01:00
|
|
|
* 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.
|
|
|
|
|
* ====================================================
|
|
|
|
|
*/
|
|
|
|
|
|
2012-10-31 16:46:59 +01:00
|
|
|
/*
|
|
|
|
|
* rintq(x)
|
|
|
|
|
* Return x rounded to integral value according to the prevailing
|
|
|
|
|
* rounding mode.
|
|
|
|
|
* Method:
|
|
|
|
|
* Using floating addition.
|
|
|
|
|
* Exception:
|
|
|
|
|
* Inexact flag raised if x not equal to rintq(x).
|
|
|
|
|
*/
|
|
|
|
|
|
2010-11-16 22:23:19 +01:00
|
|
|
#include "quadmath-imp.h"
|
|
|
|
|
|
|
|
|
|
static const __float128
|
|
|
|
|
TWO112[2]={
|
2012-12-13 13:35:56 +01:00
|
|
|
5.19229685853482762853049632922009600E+33Q, /* 0x406F000000000000, 0 */
|
|
|
|
|
-5.19229685853482762853049632922009600E+33Q /* 0xC06F000000000000, 0 */
|
2010-11-16 22:23:19 +01:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
__float128
|
|
|
|
|
rintq (__float128 x)
|
|
|
|
|
{
|
|
|
|
|
int64_t i0,j0,sx;
|
2017-07-19 15:12:58 +02:00
|
|
|
uint64_t i1 __attribute__ ((unused));
|
2010-11-16 22:23:19 +01:00
|
|
|
__float128 w,t;
|
|
|
|
|
GET_FLT128_WORDS64(i0,i1,x);
|
|
|
|
|
sx = (((uint64_t)i0)>>63);
|
|
|
|
|
j0 = ((i0>>48)&0x7fff)-0x3fff;
|
2012-10-31 16:46:59 +01:00
|
|
|
if(j0<112) {
|
2010-11-16 22:23:19 +01:00
|
|
|
if(j0<0) {
|
|
|
|
|
w = TWO112[sx]+x;
|
|
|
|
|
t = w-TWO112[sx];
|
|
|
|
|
GET_FLT128_MSW64(i0,t);
|
|
|
|
|
SET_FLT128_MSW64(t,(i0&0x7fffffffffffffffLL)|(sx<<63));
|
|
|
|
|
return t;
|
|
|
|
|
}
|
2012-10-31 16:46:59 +01:00
|
|
|
} else {
|
2010-11-16 22:23:19 +01:00
|
|
|
if(j0==0x4000) return x+x; /* inf or NaN */
|
|
|
|
|
else return x; /* x is integral */
|
|
|
|
|
}
|
|
|
|
|
w = TWO112[sx]+x;
|
|
|
|
|
return w-TWO112[sx];
|
|
|
|
|
}
|