From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24113 invoked by alias); 30 Jan 2006 21:04:10 -0000 Received: (qmail 24096 invoked by uid 22791); 30 Jan 2006 21:04:10 -0000 X-Spam-Check-By: sourceware.org Received: from sunsite.ms.mff.cuni.cz (HELO sunsite.mff.cuni.cz) (195.113.15.26) by sourceware.org (qpsmtpd/0.31) with ESMTP; Mon, 30 Jan 2006 21:04:05 +0000 Received: from sunsite.mff.cuni.cz (sunsite.mff.cuni.cz [127.0.0.1]) by sunsite.mff.cuni.cz (8.13.1/8.13.1) with ESMTP id k0UL3otc023627; Mon, 30 Jan 2006 22:03:50 +0100 Received: (from jj@localhost) by sunsite.mff.cuni.cz (8.13.1/8.13.1/Submit) id k0UL3oo0023626; Mon, 30 Jan 2006 22:03:50 +0100 Date: Mon, 30 Jan 2006 21:04:00 -0000 From: Jakub Jelinek To: Roland McGrath , Martin Schwidefsky Cc: Glibc hackers Subject: [PATCH] s390 glibc long double patch Message-ID: <20060130210350.GR4625@sunsite.mff.cuni.cz> Reply-To: Jakub Jelinek Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.1i Mailing-List: contact libc-hacker-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-hacker-owner@sourceware.org X-SW-Source: 2006-01/txt/msg00100.txt.bz2 Hi! Here is updated s390 patch. The only failures are: Failure:Test: llrint (4503599627370495.5) == 4503599627370496LL Result: is: 4503599627370495 should be: 4503599627370496 Failure:Test: llrint (4503599627370496.75) == 4503599627370497LL Result: is: 4503599627370496 should be: 4503599627370497 Failure:Test: llrint (4503599627370497.5) == 4503599627370498LL Result: is: 4503599627370497 should be: 4503599627370498 Failure:Test: llrint (9007199254740991.5) == 9007199254740992LL Result: is: 9007199254740991 should be: 9007199254740992 Failure:Test: llrint (9007199254740992.75) == 9007199254740993LL Result: is: 9007199254740992 should be: 9007199254740993 Failure:Test: llrint (9007199254740993.5) == 9007199254740994LL Result: is: 9007199254740993 should be: 9007199254740994 Failure:Test: llrint (72057594037927935.5) == 72057594037927936LL Result: is: 72057594037927935 should be: 72057594037927936 Failure:Test: llrint (72057594037927936.75) == 72057594037927937LL Result: is: 72057594037927936 should be: 72057594037927937 Failure:Test: llrint (72057594037927937.5) == 72057594037927938LL Result: is: 72057594037927937 should be: 72057594037927938 On s390x we need first GCC fixes before we can move on. 2006-01-30 Martin Schwidefsky Jakub Jelinek * sysdeps/unix/sysv/linux/s390/fpu/Implies: New file. * sysdeps/unix/sysv/linux/s390/nldbl-abi.h: New file. * sysdeps/s390/fpu/bits/mathinline.h (signbitl, sqrtl): New inlines. * sysdeps/s390/fpu/bits/mathdef.h: New file. * sysdeps/s390/fpu/e_sqrtl.c: New file. * sysdeps/s390/s390-32/bits/wordsize.h (__LONG_DOUBLE_MATH_OPTIONAL, __NO_LONG_DOUBLE_MATH): Define. * sysdeps/s390/s390-64/bits/wordsize.h (__LONG_DOUBLE_MATH_OPTIONAL, __NO_LONG_DOUBLE_MATH): Define. * sysdeps/s390/Implies: Add ieee754/ldbl-128. * sysdeps/s390/ldbl2mpn.c: Removed. * sysdeps/s390/fpu/libm-test-ulps: Updated. --- libc/sysdeps/unix/sysv/linux/s390/fpu/Implies.jj 2006-01-30 09:34:22.000000000 +0100 +++ libc/sysdeps/unix/sysv/linux/s390/fpu/Implies 2006-01-30 09:39:15.000000000 +0100 @@ -0,0 +1,5 @@ +# Override ldbl-opt with s390 specific routines. +s390/fpu +# These supply the ABI compatibility for when long double was double. +ieee754/ldbl-64-128 +ieee754/ldbl-opt --- libc/sysdeps/unix/sysv/linux/s390/nldbl-abi.h.jj 2006-01-30 09:34:22.000000000 +0100 +++ libc/sysdeps/unix/sysv/linux/s390/nldbl-abi.h 2006-01-30 09:34:22.000000000 +0100 @@ -0,0 +1,8 @@ +/* ABI version for long double switch. + This is used by the Versions and math_ldbl_opt.h files in + sysdeps/ieee754/ldbl-opt/. It gives the ABI version where + long double == double was replaced with proper long double + for libm *l functions and libc functions using long double. */ + +#define NLDBL_VERSION GLIBC_2.4 +#define LONG_DOUBLE_COMPAT_VERSION GLIBC_2_4 --- libc/sysdeps/s390/s390-32/bits/wordsize.h.jj 2002-10-02 22:52:30.000000000 +0200 +++ libc/sysdeps/s390/s390-32/bits/wordsize.h 2006-01-30 09:34:22.000000000 +0100 @@ -5,3 +5,14 @@ #else # define __WORDSIZE 32 #endif + +#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL + +/* Signal that we didn't used to have a `long double'. The changes all + the `long double' function variants to be redirects to the double + functions. */ +# define __LONG_DOUBLE_MATH_OPTIONAL 1 +# ifndef __LONG_DOUBLE_128__ +# define __NO_LONG_DOUBLE_MATH 1 +# endif +#endif --- libc/sysdeps/s390/fpu/bits/mathinline.h.jj 2004-09-14 00:33:01.000000000 +0200 +++ libc/sysdeps/s390/fpu/bits/mathinline.h 2006-01-30 17:29:55.000000000 +0100 @@ -47,6 +47,21 @@ __NTH (__signbit (double __x)) return __u.__i < 0; } +# ifndef __NO_LONG_DOUBLE_MATH +__MATH_INLINE int +__NTH (__signbitl (long double __x)) +{ + __extension__ union { long double __l; int __i[4]; } __u = { __l: __x }; + return __u.__i[0] < 0; +} +# else +__MATH_INLINE int +__NTH (__signbitl (long double __x)) +{ + return __signbit ((double) __x); +} +# endif + #endif /* C99 */ /* This code is used internally in the GNU libc. */ @@ -70,6 +85,17 @@ __NTH (__ieee754_sqrtf (float x)) return res; } +# if !defined __NO_LONG_DOUBLE_MATH +__MATH_INLINE long double +__NTH (sqrtl (long double __x)) +{ + long double res; + + asm ( "sqxbr %0,%1" : "=f" (res) : "f" (__x) ); + return res; +} +# endif /* !__NO_LONG_DOUBLE_MATH */ + #endif /* __LIBC_INTERNAL_MATH_INLINES */ #endif /* __NO_MATH_INLINES */ --- libc/sysdeps/s390/fpu/bits/mathdef.h.jj 2006-01-30 16:50:59.000000000 +0100 +++ libc/sysdeps/s390/fpu/bits/mathdef.h 2006-01-30 16:51:18.000000000 +0100 @@ -0,0 +1,38 @@ +/* Copyright (C) 1997, 1998, 1999, 2000, 2004, 2006 + Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#if !defined _MATH_H && !defined _COMPLEX_H +# error "Never use directly; include instead" +#endif + +#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF +# define _MATH_H_MATHDEF 1 + +/* Normally, there is no long double type and the `float' and `double' + expressions are evaluated as `double'. */ +typedef double float_t; /* `float' expressions are evaluated as + `double'. */ +typedef double double_t; /* `double' expressions are evaluated as + `double'. */ + +/* The values returned by `ilogb' for 0 and NaN respectively. */ +# define FP_ILOGB0 (-2147483647) +# define FP_ILOGBNAN 2147483647 + +#endif /* ISO C99 */ --- libc/sysdeps/s390/fpu/e_sqrtl.c.jj 2006-01-30 09:34:22.000000000 +0100 +++ libc/sysdeps/s390/fpu/e_sqrtl.c 2006-01-30 09:34:22.000000000 +0100 @@ -0,0 +1,29 @@ +/* Copyright (C) 2004 Free Software Foundation, Inc. + Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com). + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + +long double +__ieee754_sqrtl (long double x) +{ + long double res; + + asm ( "sqxbr %0,%1" : "=f" (res) : "f" (x) ); + return res; +} --- libc/sysdeps/s390/fpu/libm-test-ulps.jj 2006-01-15 20:45:21.000000000 +0100 +++ libc/sysdeps/s390/fpu/libm-test-ulps 2006-01-30 21:51:11.000000000 +0100 @@ -1,21 +1,35 @@ # Begin of automatic generation # atan2 +Test "atan2 (-0.00756827042671106339, -.001792735857538728036) == -1.80338464113663849327153994379639112": +ildouble: 1 +ldouble: 1 Test "atan2 (-0.75, -1.0) == -2.49809154479650885165983415456218025": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "atan2 (0.75, -1.0) == 2.49809154479650885165983415456218025": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "atan2 (1.390625, 0.9296875) == 0.981498387184244311516296577615519772": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 # atanh Test "atanh (0.75) == 0.972955074527656652552676371721589865": float: 1 ifloat: 1 +# cacos +Test "Imaginary part of: cacos (0.75 + 1.25 i) == 1.11752014915610270578240049553777969 - 1.13239363160530819522266333696834467 i": +ildouble: 1 +ldouble: 1 + # cacosh Test "Real part of: cacosh (-2 - 3 i) == 1.9833870299165354323470769028940395 - 2.1414491111159960199416055713254211 i": double: 1 @@ -27,6 +41,8 @@ double: 1 float: 3 idouble: 1 ifloat: 3 +ildouble: 1 +ldouble: 1 # casin Test "Real part of: casin (0.75 + 1.25 i) == 0.453276177638793913448921196101971749 + 1.13239363160530819522266333696834467 i": @@ -34,6 +50,9 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +Test "Imaginary part of: casin (0.75 + 1.25 i) == 0.453276177638793913448921196101971749 + 1.13239363160530819522266333696834467 i": +ildouble: 1 +ldouble: 1 # casinh Test "Real part of: casinh (-2 - 3 i) == -1.9686379257930962917886650952454982 - 0.96465850440760279204541105949953237 i": @@ -41,19 +60,27 @@ double: 5 float: 1 idouble: 5 ifloat: 1 +ildouble: 4 +ldouble: 4 Test "Imaginary part of: casinh (-2 - 3 i) == -1.9686379257930962917886650952454982 - 0.96465850440760279204541105949953237 i": double: 3 float: 6 idouble: 3 ifloat: 6 +ildouble: 2 +ldouble: 2 Test "Real part of: casinh (0.75 + 1.25 i) == 1.03171853444778027336364058631006594 + 0.911738290968487636358489564316731207 i": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "Imaginary part of: casinh (0.75 + 1.25 i) == 1.03171853444778027336364058631006594 + 0.911738290968487636358489564316731207 i": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 # catan Test "Real part of: catan (-2 - 3 i) == -1.4099210495965755225306193844604208 - 0.22907268296853876629588180294200276 i": @@ -67,6 +94,9 @@ ifloat: 1 Test "Real part of: catan (0.75 + 1.25 i) == 1.10714871779409050301706546017853704 + 0.549306144334054845697622618461262852 i": float: 4 ifloat: 4 +Test "Imaginary part of: catan (0.75 + 1.25 i) == 1.10714871779409050301706546017853704 + 0.549306144334054845697622618461262852 i": +ildouble: 1 +ldouble: 1 # catanh Test "Real part of: catanh (-2 - 3 i) == -0.14694666622552975204743278515471595 - 1.3389725222944935611241935759091443 i": @@ -78,11 +108,18 @@ ifloat: 4 Test "Real part of: catanh (0.75 + 1.25 i) == 0.261492138795671927078652057366532140 + 0.996825126463918666098902241310446708 i": double: 1 idouble: 1 +ildouble: 1 +ldouble: 1 Test "Imaginary part of: catanh (0.75 + 1.25 i) == 0.261492138795671927078652057366532140 + 0.996825126463918666098902241310446708 i": float: 6 ifloat: 6 +ildouble: 1 +ldouble: 1 # cbrt +Test "cbrt (-0.001) == -0.1": +ildouble: 1 +ldouble: 1 Test "cbrt (-27.0) == -3.0": double: 1 idouble: 1 @@ -94,9 +131,14 @@ double: 1 idouble: 1 # ccos +Test "Real part of: ccos (-2 - 3 i) == -4.18962569096880723013255501961597373 - 9.10922789375533659797919726277886212 i": +ildouble: 1 +ldouble: 1 Test "Imaginary part of: ccos (-2 - 3 i) == -4.18962569096880723013255501961597373 - 9.10922789375533659797919726277886212 i": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "Real part of: ccos (0.75 + 1.25 i) == 1.38173873063425888530729933139078645 - 1.09193013555397466170919531722024128 i": double: 1 float: 1 @@ -110,9 +152,13 @@ ifloat: 1 Test "Real part of: ccosh (-2 - 3 i) == -3.72454550491532256547397070325597253 + 0.511822569987384608834463849801875634 i": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "Imaginary part of: ccosh (-2 - 3 i) == -3.72454550491532256547397070325597253 + 0.511822569987384608834463849801875634 i": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "Real part of: ccosh (0.75 + 1.25 i) == 0.408242591877968807788852146397499084 + 0.780365930845853240391326216300863152 i": double: 1 float: 1 @@ -123,12 +169,20 @@ float: 1 ifloat: 1 # cexp +Test "Real part of: cexp (-2.0 - 3.0 i) == -0.13398091492954261346140525546115575 - 0.019098516261135196432576240858800925 i": +ildouble: 1 +ldouble: 1 Test "Imaginary part of: cexp (-2.0 - 3.0 i) == -0.13398091492954261346140525546115575 - 0.019098516261135196432576240858800925 i": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "Real part of: cexp (0.75 + 1.25 i) == 0.667537446429131586942201977015932112 + 2.00900045494094876258347228145863909 i": float: 1 ifloat: 1 +Test "Imaginary part of: cexp (0.75 + 1.25 i) == 0.667537446429131586942201977015932112 + 2.00900045494094876258347228145863909 i": +ildouble: 1 +ldouble: 1 # clog Test "Imaginary part of: clog (-2 - 3 i) == 1.2824746787307683680267437207826593 - 2.1587989303424641704769327722648368 i": @@ -137,57 +191,98 @@ ifloat: 3 Test "Real part of: clog (0.75 + 1.25 i) == 0.376885901188190075998919126749298416 + 1.03037682652431246378774332703115153 i": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 # clog10 Test "Imaginary part of: clog10 (-0 + inf i) == inf + pi/2*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 Test "Imaginary part of: clog10 (-0 - inf i) == inf - pi/2*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 +Test "Real part of: clog10 (-2 - 3 i) == 0.556971676153418384603252578971164214 - 0.937554462986374708541507952140189646 i": +ildouble: 1 +ldouble: 1 Test "Imaginary part of: clog10 (-2 - 3 i) == 0.556971676153418384603252578971164214 - 0.937554462986374708541507952140189646 i": double: 1 float: 5 idouble: 1 ifloat: 5 +ildouble: 1 +ldouble: 1 Test "Imaginary part of: clog10 (-3 + inf i) == inf + pi/2*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 Test "Imaginary part of: clog10 (-3 - inf i) == inf - pi/2*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 Test "Imaginary part of: clog10 (-inf + 0 i) == inf + pi*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 Test "Imaginary part of: clog10 (-inf + 1 i) == inf + pi*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 +Test "Imaginary part of: clog10 (-inf + inf i) == inf + 3/4 pi*log10(e) i": +double: 1 +idouble: 1 Test "Imaginary part of: clog10 (-inf - 0 i) == inf - pi*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 Test "Imaginary part of: clog10 (-inf - 1 i) == inf - pi*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 Test "Imaginary part of: clog10 (0 + inf i) == inf + pi/2*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 Test "Imaginary part of: clog10 (0 - inf i) == inf - pi/2*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 Test "Real part of: clog10 (0.75 + 1.25 i) == 0.163679467193165171449476605077428975 + 0.447486970040493067069984724340855636 i": float: 1 ifloat: 1 +Test "Imaginary part of: clog10 (0.75 + 1.25 i) == 0.163679467193165171449476605077428975 + 0.447486970040493067069984724340855636 i": +ildouble: 1 +ldouble: 1 Test "Imaginary part of: clog10 (3 + inf i) == inf + pi/2*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 Test "Imaginary part of: clog10 (3 - inf i) == inf - pi/2*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 Test "Imaginary part of: clog10 (inf + inf i) == inf + pi/4*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 Test "Imaginary part of: clog10 (inf - inf i) == inf - pi/4*log10(e) i": +double: 1 float: 1 +idouble: 1 ifloat: 1 # cos @@ -196,11 +291,15 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "cos (M_PI_6l * 4.0) == -0.5": double: 2 float: 1 idouble: 2 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "cos (pi/2) == 0": double: 1 float: 1 @@ -219,16 +318,31 @@ double: 1 float: 4 idouble: 1 ifloat: 4 +ildouble: 4 +ldouble: 4 +Test "Real part of: cpow (0.75 + 1.25 i, 1.0 + 0.0 i) == 0.75 + 1.25 i": +ildouble: 2 +ldouble: 2 +Test "Imaginary part of: cpow (0.75 + 1.25 i, 1.0 + 0.0 i) == 0.75 + 1.25 i": +ildouble: 1 +ldouble: 1 Test "Real part of: cpow (0.75 + 1.25 i, 1.0 + 1.0 i) == 0.0846958290317209430433805274189191353 + 0.513285749182902449043287190519090481 i": double: 2 float: 3 idouble: 2 ifloat: 3 +ildouble: 10 +ldouble: 10 +Test "Real part of: cpow (2 + 0 i, 10 + 0 i) == 1024.0 + 0.0 i": +ildouble: 2 +ldouble: 2 Test "Real part of: cpow (2 + 3 i, 4 + 0 i) == -119.0 - 120.0 i": double: 1 float: 4 idouble: 1 ifloat: 4 +ildouble: 3 +ldouble: 3 Test "Imaginary part of: cpow (2 + 3 i, 4 + 0 i) == -119.0 - 120.0 i": float: 2 ifloat: 2 @@ -237,8 +351,21 @@ double: 2 float: 2 idouble: 2 ifloat: 2 +ildouble: 1 +ldouble: 1 + +# csin +Test "Imaginary part of: csin (-2 - 3 i) == -9.15449914691142957346729954460983256 + 4.16890695996656435075481305885375484 i": +ildouble: 1 +ldouble: 1 +Test "Real part of: csin (0.75 + 1.25 i) == 1.28722291002649188575873510790565441 + 1.17210635989270256101081285116138863 i": +ildouble: 1 +ldouble: 1 # csinh +Test "Real part of: csinh (-2 - 3 i) == 3.59056458998577995201256544779481679 - 0.530921086248519805267040090660676560 i": +ildouble: 1 +ldouble: 1 Test "Imaginary part of: csinh (-2 - 3 i) == 3.59056458998577995201256544779481679 - 0.530921086248519805267040090660676560 i": double: 1 idouble: 1 @@ -253,17 +380,31 @@ ifloat: 1 Test "Real part of: csqrt (-2 + 3 i) == 0.89597747612983812471573375529004348 + 1.6741492280355400404480393008490519 i": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "Real part of: csqrt (-2 - 3 i) == 0.89597747612983812471573375529004348 - 1.6741492280355400404480393008490519 i": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: csqrt (0.75 + 1.25 i) == 1.05065169626078392338656675760808326 + 0.594868882070379067881984030639932657 i": +ildouble: 1 +ldouble: 1 # ctan Test "Real part of: ctan (-2 - 3 i) == 0.376402564150424829275122113032269084e-2 - 1.00323862735360980144635859782192726 i": double: 1 idouble: 1 +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: ctan (-2 - 3 i) == 0.376402564150424829275122113032269084e-2 - 1.00323862735360980144635859782192726 i": +ildouble: 1 +ldouble: 1 Test "Imaginary part of: ctan (0.75 + 1.25 i) == 0.160807785916206426725166058173438663 + 0.975363285031235646193581759755216379 i": double: 1 idouble: 1 +ildouble: 2 +ldouble: 2 # ctanh Test "Real part of: ctanh (-2 - 3 i) == -0.965385879022133124278480269394560686 + 0.988437503832249372031403430350121098e-2 i": @@ -271,6 +412,11 @@ double: 1 float: 2 idouble: 1 ifloat: 2 +ildouble: 1 +ldouble: 1 +Test "Imaginary part of: ctanh (-2 - 3 i) == -0.965385879022133124278480269394560686 + 0.988437503832249372031403430350121098e-2 i": +ildouble: 1 +ldouble: 1 Test "Imaginary part of: ctanh (0 + pi/4 i) == 0.0 + 1.0 i": float: 1 ifloat: 1 @@ -290,6 +436,9 @@ ifloat: 1 Test "erfc (2.0) == 0.00467773498104726583793074363274707139": double: 1 idouble: 1 +Test "erfc (27.0) == 0.523704892378925568501606768284954709e-318": +ildouble: 1 +ldouble: 1 Test "erfc (4.125) == 0.542340079956506600531223408575531062e-8": double: 1 idouble: 1 @@ -310,14 +459,30 @@ double: 6 float: 2 idouble: 6 ifloat: 2 +ildouble: 1 +ldouble: 1 + +# exp2 +Test "exp2 (10) == 1024": +ildouble: 2 +ldouble: 2 # expm1 Test "expm1 (0.75) == 1.11700001661267466854536981983709561": double: 1 idouble: 1 Test "expm1 (1) == M_El - 1.0": +double: 1 float: 1 +idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 + +# gamma +Test "gamma (-0.5) == log(2*sqrt(pi))": +ildouble: 1 +ldouble: 1 # hypot Test "hypot (-0.7, -12.4) == 12.419742348374220601176836866763271": @@ -359,9 +524,13 @@ double: 2 float: 1 idouble: 2 ifloat: 1 +ildouble: 2 +ldouble: 2 Test "j0 (2.0) == 0.223890779141235668051827454649948626": float: 2 ifloat: 2 +ildouble: 2 +ldouble: 2 Test "j0 (4.0) == -3.9714980986384737228659076845169804197562E-1": double: 1 float: 1 @@ -370,17 +539,32 @@ ifloat: 1 Test "j0 (8.0) == 0.171650807137553906090869407851972001": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 # j1 +Test "j1 (-1.0) == -0.440050585744933515959682203718914913": +ildouble: 1 +ldouble: 1 +Test "j1 (0.75) == 0.349243602174862192523281016426251335": +ildouble: 1 +ldouble: 1 +Test "j1 (1.0) == 0.440050585744933515959682203718914913": +ildouble: 1 +ldouble: 1 Test "j1 (10.0) == 0.0434727461688614366697487680258592883": float: 2 ifloat: 2 +ildouble: 2 +ldouble: 2 Test "j1 (2.0) == 0.576724807756873387202448242269137087": double: 1 idouble: 1 Test "j1 (8.0) == 0.234636346853914624381276651590454612": double: 1 idouble: 1 +ildouble: 4 +ldouble: 4 # jn Test "jn (0, -4.0) == -3.9714980986384737228659076845169804197562E-1": @@ -396,9 +580,13 @@ double: 2 float: 1 idouble: 2 ifloat: 1 +ildouble: 2 +ldouble: 2 Test "jn (0, 2.0) == 0.223890779141235668051827454649948626": float: 2 ifloat: 2 +ildouble: 2 +ldouble: 2 Test "jn (0, 4.0) == -3.9714980986384737228659076845169804197562E-1": double: 1 float: 1 @@ -407,30 +595,57 @@ ifloat: 1 Test "jn (0, 8.0) == 0.171650807137553906090869407851972001": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "jn (1, -1.0) == -0.440050585744933515959682203718914913": +ildouble: 1 +ldouble: 1 +Test "jn (1, 0.75) == 0.349243602174862192523281016426251335": +ildouble: 1 +ldouble: 1 +Test "jn (1, 1.0) == 0.440050585744933515959682203718914913": +ildouble: 1 +ldouble: 1 Test "jn (1, 10.0) == 0.0434727461688614366697487680258592883": float: 2 ifloat: 2 +ildouble: 2 +ldouble: 2 Test "jn (1, 2.0) == 0.576724807756873387202448242269137087": double: 1 idouble: 1 Test "jn (1, 8.0) == 0.234636346853914624381276651590454612": double: 1 idouble: 1 +ildouble: 4 +ldouble: 4 +Test "jn (10, -1.0) == 0.263061512368745320699785368779050294e-9": +ildouble: 1 +ldouble: 1 Test "jn (10, 0.125) == 0.250543369809369890173993791865771547e-18": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "jn (10, 0.75) == 0.149621713117596814698712483621682835e-10": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "jn (10, 1.0) == 0.263061512368745320699785368779050294e-9": +ildouble: 1 +ldouble: 1 Test "jn (10, 10.0) == 0.207486106633358857697278723518753428": double: 4 float: 3 idouble: 4 ifloat: 3 +ildouble: 2 +ldouble: 2 Test "jn (10, 2.0) == 0.251538628271673670963516093751820639e-6": float: 4 ifloat: 4 @@ -449,6 +664,8 @@ double: 3 float: 1 idouble: 3 ifloat: 1 +ildouble: 2 +ldouble: 2 Test "jn (3, 2.0) == 0.128943249474402051098793332969239835": double: 1 float: 2 @@ -456,16 +673,79 @@ idouble: 1 ifloat: 2 # lgamma +Test "lgamma (-0.5) == log(2*sqrt(pi))": +ildouble: 1 +ldouble: 1 Test "lgamma (0.7) == 0.260867246531666514385732417016759578": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "lgamma (1.2) == -0.853740900033158497197028392998854470e-1": double: 1 float: 2 idouble: 1 ifloat: 2 +ildouble: 1 +ldouble: 1 + +# llrint +Test "llrint (-4503599627370495.5) == -4503599627370496LL": +ildouble: 1 +ldouble: 1 +Test "llrint (-4503599627370496.75) == -4503599627370497LL": +ildouble: 1 +ldouble: 1 +Test "llrint (-4503599627370497.5) == -4503599627370498LL": +ildouble: 1 +ldouble: 1 +Test "llrint (-72057594037927935.5) == -72057594037927936LL": +ildouble: 1 +ldouble: 1 +Test "llrint (-72057594037927936.75) == -72057594037927937LL": +ildouble: 1 +ldouble: 1 +Test "llrint (-72057594037927937.5) == -72057594037927938LL": +ildouble: 1 +ldouble: 1 +Test "llrint (-9007199254740991.5) == -9007199254740992LL": +ildouble: 1 +ldouble: 1 +Test "llrint (-9007199254740992.75) == -9007199254740993LL": +ildouble: 1 +ldouble: 1 +Test "llrint (-9007199254740993.5) == -9007199254740994LL": +ildouble: 1 +ldouble: 1 +Test "llrint (4503599627370495.5) == 4503599627370496LL": +ildouble: -1 +ldouble: -1 +Test "llrint (4503599627370496.75) == 4503599627370497LL": +ildouble: -1 +ldouble: -1 +Test "llrint (4503599627370497.5) == 4503599627370498LL": +ildouble: -1 +ldouble: -1 +Test "llrint (72057594037927935.5) == 72057594037927936LL": +ildouble: -1 +ldouble: -1 +Test "llrint (72057594037927936.75) == 72057594037927937LL": +ildouble: -1 +ldouble: -1 +Test "llrint (72057594037927937.5) == 72057594037927938LL": +ildouble: -1 +ldouble: -1 +Test "llrint (9007199254740991.5) == 9007199254740992LL": +ildouble: -1 +ldouble: -1 +Test "llrint (9007199254740992.75) == 9007199254740993LL": +ildouble: -1 +ldouble: -1 +Test "llrint (9007199254740993.5) == 9007199254740994LL": +ildouble: -1 +ldouble: -1 # log10 Test "log10 (0.75) == -0.124938736608299953132449886193870744": @@ -476,23 +756,34 @@ ifloat: 2 Test "log10 (e) == log10(e)": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 # log1p Test "log1p (-0.25) == -0.287682072451780927439219005993827432": float: 1 ifloat: 1 +# log2 +Test "log2 (0.75) == -.415037499278843818546261056052183492": +ildouble: 1 +ldouble: 1 + # sincos Test "sincos (M_PI_6l*2.0, &sin_res, &cos_res) puts 0.5 in cos_res": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "sincos (M_PI_6l*2.0, &sin_res, &cos_res) puts 0.86602540378443864676372317075293616 in sin_res": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "sincos (pi/2, &sin_res, &cos_res) puts 0 in cos_res": double: 1 float: 1 @@ -502,17 +793,38 @@ Test "sincos (pi/6, &sin_res, &cos_res) float: 1 ifloat: 1 +# sqrt +Test "sqrt (2) == M_SQRT2l": +ildouble: 1 +ldouble: 1 + # tan Test "tan (pi/4) == 1": double: 1 idouble: 1 +# tanh +Test "tanh (-0.75) == -0.635148952387287319214434357312496495": +ildouble: 1 +ldouble: 1 +Test "tanh (-1.0) == -0.7615941559557648881194582826047935904": +ildouble: 1 +ldouble: 1 +Test "tanh (0.75) == 0.635148952387287319214434357312496495": +ildouble: 1 +ldouble: 1 +Test "tanh (1.0) == 0.7615941559557648881194582826047935904": +ildouble: 1 +ldouble: 1 + # tgamma Test "tgamma (-0.5) == -2 sqrt (pi)": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "tgamma (0.5) == sqrt (pi)": float: 1 ifloat: 1 @@ -521,6 +833,9 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +Test "tgamma (4) == 6": +ildouble: 1 +ldouble: 1 # y0 Test "y0 (1.0) == 0.0882569642156769579829267660235151628": @@ -538,6 +853,8 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 3 +ldouble: 3 Test "y0 (2.0) == 0.510375672649745119596606592727157873": double: 1 idouble: 1 @@ -546,16 +863,23 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 3 +ldouble: 3 # y1 Test "y1 (0.125) == -5.19993611253477499595928744876579921": double: 1 idouble: 1 +Test "y1 (0.75) == -1.03759455076928541973767132140642198": +ildouble: 1 +ldouble: 1 Test "y1 (1.5) == -0.412308626973911295952829820633445323": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "y1 (10.0) == 0.249015424206953883923283474663222803": double: 3 float: 1 @@ -566,11 +890,15 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "y1 (8.0) == -0.158060461731247494255555266187483550": double: 1 float: 2 idouble: 1 ifloat: 2 +ildouble: 1 +ldouble: 1 # yn Test "yn (0, 1.0) == 0.0882569642156769579829267660235151628": @@ -588,6 +916,8 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 3 +ldouble: 3 Test "yn (0, 2.0) == 0.510375672649745119596606592727157873": double: 1 idouble: 1 @@ -596,14 +926,21 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 3 +ldouble: 3 Test "yn (1, 0.125) == -5.19993611253477499595928744876579921": double: 1 idouble: 1 +Test "yn (1, 0.75) == -1.03759455076928541973767132140642198": +ildouble: 1 +ldouble: 1 Test "yn (1, 1.5) == -0.412308626973911295952829820633445323": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "yn (1, 10.0) == 0.249015424206953883923283474663222803": double: 3 float: 1 @@ -614,34 +951,48 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "yn (1, 8.0) == -0.158060461731247494255555266187483550": double: 1 float: 2 idouble: 1 ifloat: 2 +ildouble: 1 +ldouble: 1 Test "yn (10, 0.125) == -127057845771019398.252538486899753195": double: 1 idouble: 1 +ildouble: 2 +ldouble: 2 Test "yn (10, 0.75) == -2133501638.90573424452445412893839236": double: 1 float: 2 idouble: 1 ifloat: 2 +ildouble: 5 +ldouble: 5 Test "yn (10, 1.0) == -121618014.278689189288130426667971145": double: 1 float: 2 idouble: 1 ifloat: 2 +ildouble: 1 +ldouble: 1 Test "yn (10, 10.0) == -0.359814152183402722051986577343560609": double: 2 float: 1 idouble: 2 ifloat: 1 +ildouble: 2 +ldouble: 2 Test "yn (10, 2.0) == -129184.542208039282635913145923304214": double: 3 float: 1 idouble: 3 ifloat: 1 +ildouble: 2 +ldouble: 2 Test "yn (3, 0.125) == -2612.69757350066712600220955744091741": double: 1 idouble: 1 @@ -650,11 +1001,15 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 2 +ldouble: 2 Test "yn (3, 10.0) == -0.251362657183837329779204747654240998": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Test "yn (3, 2.0) == -1.12778377684042778608158395773179238": double: 1 idouble: 1 @@ -663,11 +1018,17 @@ idouble: 1 Function: "atan2": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: "atanh": float: 1 ifloat: 1 +Function: Imaginary part of "cacos": +ildouble: 1 +ldouble: 1 + Function: Real part of "cacosh": double: 1 float: 7 @@ -679,6 +1040,8 @@ double: 1 float: 3 idouble: 1 ifloat: 3 +ildouble: 1 +ldouble: 1 Function: Real part of "casin": double: 1 @@ -686,17 +1049,25 @@ float: 1 idouble: 1 ifloat: 1 +Function: Imaginary part of "casin": +ildouble: 1 +ldouble: 1 + Function: Real part of "casinh": double: 5 float: 1 idouble: 5 ifloat: 1 +ildouble: 4 +ldouble: 4 Function: Imaginary part of "casinh": double: 3 float: 6 idouble: 3 ifloat: 6 +ildouble: 2 +ldouble: 2 Function: Real part of "catan": float: 4 @@ -707,50 +1078,72 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: Real part of "catanh": double: 4 idouble: 4 +ildouble: 1 +ldouble: 1 Function: Imaginary part of "catanh": float: 6 ifloat: 6 +ildouble: 1 +ldouble: 1 Function: "cbrt": double: 1 idouble: 1 +ildouble: 1 +ldouble: 1 Function: Real part of "ccos": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: Imaginary part of "ccos": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: Real part of "ccosh": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: Imaginary part of "ccosh": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: Real part of "cexp": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: Imaginary part of "cexp": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: Real part of "clog": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: Imaginary part of "clog": float: 3 @@ -759,34 +1152,54 @@ ifloat: 3 Function: Real part of "clog10": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: Imaginary part of "clog10": double: 1 float: 5 idouble: 1 ifloat: 5 +ildouble: 1 +ldouble: 1 Function: "cos": double: 2 float: 1 idouble: 2 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: Real part of "cpow": double: 2 float: 4 idouble: 2 ifloat: 4 +ildouble: 10 +ldouble: 10 Function: Imaginary part of "cpow": double: 2 float: 2 idouble: 2 ifloat: 2 +ildouble: 1 +ldouble: 1 + +Function: Real part of "csin": +ildouble: 1 +ldouble: 1 + +Function: Imaginary part of "csin": +ildouble: 1 +ldouble: 1 Function: Real part of "csinh": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: Imaginary part of "csinh": double: 1 @@ -797,24 +1210,38 @@ ifloat: 1 Function: Real part of "csqrt": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: Imaginary part of "csqrt": +ildouble: 1 +ldouble: 1 Function: Real part of "ctan": double: 1 idouble: 1 +ildouble: 1 +ldouble: 1 Function: Imaginary part of "ctan": double: 1 idouble: 1 +ildouble: 2 +ldouble: 2 Function: Real part of "ctanh": double: 1 float: 2 idouble: 1 ifloat: 2 +ildouble: 1 +ldouble: 1 Function: Imaginary part of "ctanh": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: "erf": double: 1 @@ -825,18 +1252,32 @@ double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: "exp10": double: 6 float: 2 idouble: 6 ifloat: 2 +ildouble: 1 +ldouble: 1 + +Function: "exp2": +ildouble: 2 +ldouble: 2 Function: "expm1": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "gamma": +ildouble: 1 +ldouble: 1 Function: "hypot": float: 1 @@ -847,67 +1288,101 @@ double: 2 float: 2 idouble: 2 ifloat: 2 +ildouble: 2 +ldouble: 2 Function: "j1": double: 1 float: 2 idouble: 1 ifloat: 2 +ildouble: 4 +ldouble: 4 Function: "jn": double: 4 float: 4 idouble: 4 ifloat: 4 +ildouble: 4 +ldouble: 4 Function: "lgamma": double: 1 float: 2 idouble: 1 ifloat: 2 +ildouble: 1 +ldouble: 1 Function: "log10": double: 1 float: 2 idouble: 1 ifloat: 2 +ildouble: 1 +ldouble: 1 Function: "log1p": float: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "log2": +ildouble: 1 +ldouble: 1 Function: "sincos": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "sqrt": +ildouble: 1 +ldouble: 1 Function: "tan": double: 1 idouble: 1 +Function: "tanh": +ildouble: 1 +ldouble: 1 + Function: "tgamma": double: 1 float: 1 idouble: 1 ifloat: 1 +ildouble: 1 +ldouble: 1 Function: "y0": double: 2 float: 1 idouble: 2 ifloat: 1 +ildouble: 3 +ldouble: 3 Function: "y1": double: 3 float: 2 idouble: 3 ifloat: 2 +ildouble: 1 +ldouble: 1 Function: "yn": double: 3 float: 2 idouble: 3 ifloat: 2 +ildouble: 5 +ldouble: 5 # end of automatic generation --- libc/sysdeps/s390/s390-64/bits/wordsize.h.jj 2002-10-02 22:57:48.000000000 +0200 +++ libc/sysdeps/s390/s390-64/bits/wordsize.h 2006-01-30 09:34:22.000000000 +0100 @@ -5,3 +5,14 @@ #else # define __WORDSIZE 32 #endif + +#if !defined __NO_LONG_DOUBLE_MATH && !defined __LONG_DOUBLE_MATH_OPTIONAL + +/* Signal that we didn't used to have a `long double'. The changes all + the `long double' function variants to be redirects to the double + functions. */ +# define __LONG_DOUBLE_MATH_OPTIONAL 1 +# ifndef __LONG_DOUBLE_128__ +# define __NO_LONG_DOUBLE_MATH 1 +# endif +#endif --- libc/sysdeps/s390/Implies.jj 2004-07-01 19:48:21.000000000 +0200 +++ libc/sysdeps/s390/Implies 2006-01-30 09:44:20.000000000 +0100 @@ -1,2 +1,3 @@ +ieee754/ldbl-128 ieee754/dbl-64 ieee754/flt-32 --- libc/sysdeps/s390/ldbl2mpn.c.jj 2001-07-06 06:56:02.000000000 +0200 +++ libc/sysdeps/s390/ldbl2mpn.c 2006-01-30 21:51:45.000000000 +0100 @@ -1,101 +0,0 @@ -/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include "gmp.h" -#include "gmp-impl.h" -#include "longlong.h" -#include "ieee754.h" -#include -#include - -/* Convert a `long double' in IEEE854 standard double-precision format to a - multi-precision integer representing the significand scaled up by its - number of bits (64 for long double) and an integral power of two - (MPN frexpl). */ - -mp_size_t -__mpn_extract_long_double (mp_ptr res_ptr, mp_size_t size, - int *expt, int *is_neg, - long double value) -{ - union ieee854_long_double u; - u.d = value; - - *is_neg = u.ieee.negative; - *expt = (int) u.ieee.exponent - IEEE854_LONG_DOUBLE_BIAS; - -#if BITS_PER_MP_LIMB == 32 - res_ptr[0] = u.ieee.mantissa1; /* Low-order 32 bits of fraction. */ - res_ptr[1] = u.ieee.mantissa0; /* High-order 32 bits. */ - #define N 2 -#elif BITS_PER_MP_LIMB == 64 - /* Hopefully the compiler will combine the two bitfield extracts - and this composition into just the original quadword extract. */ - res_ptr[0] = ((unsigned long int) u.ieee.mantissa0 << 32) | u.ieee.mantissa1; - #define N 1 -#else - #error "mp_limb size " BITS_PER_MP_LIMB "not accounted for" -#endif - - if (u.ieee.exponent == 0) - { - /* A biased exponent of zero is a special case. - Either it is a zero or it is a denormal number. */ - if (res_ptr[0] == 0 && res_ptr[N - 1] == 0) /* Assumes N<=2. */ - /* It's zero. */ - *expt = 0; - else - { - /* It is a denormal number, meaning it has no implicit leading - one bit, and its exponent is in fact the format minimum. */ - int cnt; - - /* One problem with Intel's 80-bit format is that the explicit - leading one in the normalized representation has to be zero - for denormalized number. If it is one, the number is according - to Intel's specification an invalid number. We make the - representation unique by explicitly clearing this bit. */ - res_ptr[N - 1] &= ~(1L << ((LDBL_MANT_DIG - 1) % BITS_PER_MP_LIMB)); - - if (res_ptr[N - 1] != 0) - { - count_leading_zeros (cnt, res_ptr[N - 1]); - if (cnt != 0) - { -#if N == 2 - res_ptr[N - 1] = res_ptr[N - 1] << cnt - | (res_ptr[0] >> (BITS_PER_MP_LIMB - cnt)); - res_ptr[0] <<= cnt; -#else - res_ptr[N - 1] <<= cnt; -#endif - } - *expt = LDBL_MIN_EXP - 1 - cnt; - } - else - { - count_leading_zeros (cnt, res_ptr[0]); - res_ptr[N - 1] = res_ptr[0] << cnt; - res_ptr[0] = 0; - *expt = LDBL_MIN_EXP - 1 - BITS_PER_MP_LIMB - cnt; - } - } - } - - return N; -} Jakub