Update.

2001-03-11  Ulrich Drepper  <drepper@redhat.com>

	Last-bit accurate math library implementation by IBM Haifa.
	Contributed by Abraham Ziv <ziv@il.ibm.com>, Moshe Olshansky
	<olshansk@il.ibm.com>, Ealan Henis <ealan@il.ibm.com>, and
	Anna Reitman <reitman@il.ibm.com>.
	* math/Makefile (dbl-only-routines): New variable.
	(libm-routines): Add $(dbl-only-routines).
	* sysdeps/ieee754/dbl-64/e_acos.c: Empty, definition is in e_asin.c.
	* sysdeps/ieee754/dbl-64/e_asin.c: Replaced with accurate asin
	implementation.
	* sysdeps/ieee754/dbl-64/e_atan2.c: Replaced with accurate atan2
	implementation.
	* sysdeps/ieee754/dbl-64/e_exp.c: Replaced with accurate exp
	implementation.
	* sysdeps/ieee754/dbl-64/e_lgamma_r.c: Don't use __kernel_sin and
	__kernel_cos.
	* sysdeps/ieee754/dbl-64/e_log.c: Replaced with accurate log
	implementation.
	* sysdeps/ieee754/dbl-64/e_remainder.c: Replaced with accurate
	remainder implementation.
	* sysdeps/ieee754/dbl-64/e_pow.c: Replaced with accurate pow
	implementation.
	* sysdeps/ieee754/dbl-64/e_sqrt.c: Replaced with accurate sqrt
	implementation.
	* sysdeps/ieee754/dbl-64/k_cos.c: Empty, definition is in s_sin.c.
	* sysdeps/ieee754/dbl-64/k_sin.c: Empty, definition is in s_sin.c.
	* sysdeps/ieee754/dbl-64/s_atan.c: Replaced with accurate atan
	implementation.
	* sysdeps/ieee754/dbl-64/s_cos.c: Empty, definition is in s_sin.c.
	* sysdeps/ieee754/dbl-64/s_sin.c: Replaced with accurate sin/cos
	implementation.
	* sysdeps/ieee754/dbl-64/s_sincos.c: Rewritten to not use __kernel_sin
	and __kernel_cos.
	* sysdeps/ieee754/dbl-64/s_tan.c: Replaced with accurate tan
	implementation.
	* sysdeps/ieee754/dbl-64/Dist: Add new non-code files.
	* sysdeps/ieee754/dbl-64/MathLib.h: New file.
	* sysdeps/ieee754/dbl-64/asincos.tbl: New file.
	* sysdeps/ieee754/dbl-64/atnat.h: New file.
	* sysdeps/ieee754/dbl-64/atnat2.h: New file.
	* sysdeps/ieee754/dbl-64/branred.c: New file.
	* sysdeps/ieee754/dbl-64/branred.h: New file.
	* sysdeps/ieee754/dbl-64/dla.h: New file.
	* sysdeps/ieee754/dbl-64/doasin.c: New file.
	* sysdeps/ieee754/dbl-64/doasin.h: New file.
	* sysdeps/ieee754/dbl-64/dosincos.c: New file.
	* sysdeps/ieee754/dbl-64/dosincos.h: New file.
	* sysdeps/ieee754/dbl-64/endian.h: New file.
	* sysdeps/ieee754/dbl-64/halfulp.c: New file.
	* sysdeps/ieee754/dbl-64/mpa.c: New file.
	* sysdeps/ieee754/dbl-64/mpa.h: New file.
	* sysdeps/ieee754/dbl-64/mpa2.h: New file.
	* sysdeps/ieee754/dbl-64/mpatan.c: New file.
	* sysdeps/ieee754/dbl-64/mpatan.h: New file.
	* sysdeps/ieee754/dbl-64/mpatan2.c: New file.
	* sysdeps/ieee754/dbl-64/mpexp.c: New file.
	* sysdeps/ieee754/dbl-64/mpexp.h: New file.
	* sysdeps/ieee754/dbl-64/mplog.c: New file.
	* sysdeps/ieee754/dbl-64/mplog.h: New file.
	* sysdeps/ieee754/dbl-64/mpsqrt.c: New file.
	* sysdeps/ieee754/dbl-64/mpsqrt.h: New file.
	* sysdeps/ieee754/dbl-64/mptan.c: New file.
	* sysdeps/ieee754/dbl-64/mydefs.h: New file.
	* sysdeps/ieee754/dbl-64/powtwo.tbl: New file.
	* sysdeps/ieee754/dbl-64/root.tbl: New file.
	* sysdeps/ieee754/dbl-64/sincos.tbl: New file.
	* sysdeps/ieee754/dbl-64/sincos32.c: New file.
	* sysdeps/ieee754/dbl-64/sincos32.h: New file.
	* sysdeps/ieee754/dbl-64/slowexp.c: New file.
	* sysdeps/ieee754/dbl-64/slowpow.c: New file.
	* sysdeps/ieee754/dbl-64/uasncs.h: New file.
	* sysdeps/ieee754/dbl-64/uatan.tbl: New file.
	* sysdeps/ieee754/dbl-64/uexp.h: New file.
	* sysdeps/ieee754/dbl-64/uexp.tbl: New file.
	* sysdeps/ieee754/dbl-64/ulog.h: New file.
	* sysdeps/ieee754/dbl-64/ulog.tbl: New file.
	* sysdeps/ieee754/dbl-64/upow.h: New file.
	* sysdeps/ieee754/dbl-64/upow.tbl: New file.
	* sysdeps/ieee754/dbl-64/urem.h: New file.
	* sysdeps/ieee754/dbl-64/uroot.h: New file.
	* sysdeps/ieee754/dbl-64/usncs.h: New file.
	* sysdeps/ieee754/dbl-64/utan.h: New file.
	* sysdeps/ieee754/dbl-64/utan.tbl: New file.
	* sysdeps/i386/fpu/branred.c: New file.
	* sysdeps/i386/fpu/doasin.c: New file.
	* sysdeps/i386/fpu/dosincos.c: New file.
	* sysdeps/i386/fpu/halfulp.c: New file.
	* sysdeps/i386/fpu/mpa.c: New file.
	* sysdeps/i386/fpu/mpatan.c: New file.
	* sysdeps/i386/fpu/mpatan2.c: New file.
	* sysdeps/i386/fpu/mpexp.c: New file.
	* sysdeps/i386/fpu/mplog.c: New file.
	* sysdeps/i386/fpu/mpsqrt.c: New file.
	* sysdeps/i386/fpu/mptan.c: New file.
	* sysdeps/i386/fpu/sincos32.c: New file.
	* sysdeps/i386/fpu/slowexp.c: New file.
	* sysdeps/i386/fpu/slowpow.c: New file.
	* sysdeps/ia64/fpu/branred.c: New file.
	* sysdeps/ia64/fpu/doasin.c: New file.
	* sysdeps/ia64/fpu/dosincos.c: New file.
	* sysdeps/ia64/fpu/halfulp.c: New file.
	* sysdeps/ia64/fpu/mpa.c: New file.
	* sysdeps/ia64/fpu/mpatan.c: New file.
	* sysdeps/ia64/fpu/mpatan2.c: New file.
	* sysdeps/ia64/fpu/mpexp.c: New file.
	* sysdeps/ia64/fpu/mplog.c: New file.
	* sysdeps/ia64/fpu/mpsqrt.c: New file.
	* sysdeps/ia64/fpu/mptan.c: New file.
	* sysdeps/ia64/fpu/sincos32.c: New file.
	* sysdeps/ia64/fpu/slowexp.c: New file.
	* sysdeps/ia64/fpu/slowpow.c: New file.
	* sysdeps/m68k/fpu/branred.c: New file.
	* sysdeps/m68k/fpu/doasin.c: New file.
	* sysdeps/m68k/fpu/dosincos.c: New file.
	* sysdeps/m68k/fpu/halfulp.c: New file.
	* sysdeps/m68k/fpu/mpa.c: New file.
	* sysdeps/m68k/fpu/mpatan.c: New file.
	* sysdeps/m68k/fpu/mpatan2.c: New file.
	* sysdeps/m68k/fpu/mpexp.c: New file.
	* sysdeps/m68k/fpu/mplog.c: New file.
	* sysdeps/m68k/fpu/mpsqrt.c: New file.
	* sysdeps/m68k/fpu/mptan.c: New file.
	* sysdeps/m68k/fpu/sincos32.c: New file.
	* sysdeps/m68k/fpu/slowexp.c: New file.
	* sysdeps/m68k/fpu/slowpow.c: New file.

	* iconvdata/gconv-modules: Add a number of alias, mostly for IBM
	codepages.

1 files changed, 183 insertions, 0 deletions

diff --git a/sysdeps/ieee754/dbl-64/atnat2.h b/sysdeps/ieee754/dbl-64/atnat2.h
new file mode 100644
index 0000000000..967bbc30b9
--- /dev/null
+++ b/sysdeps/ieee754/dbl-64/atnat2.h
@@ -0,0 +1,183 @@
+
+/*
+ * IBM Accurate Mathematical Library
+ * Copyright (c) International Business Machines Corp., 2001
+ *
+ * This program 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 of the License, or 
+ * (at your option) any later version.
+ * 
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  
+ */
+/************************************************************************/
+/*  MODULE_NAME: atnat2.h                                                */
+/*                                                                      */
+/*                                                                      */
+/* 	common data and variables definition for BIG or LITTLE ENDIAN   */
+/************************************************************************/
+
+
+
+#ifndef ATNAT2_H
+#define ATNAT2_H
+
+
+#define MM 5
+#ifdef BIG_ENDI
+
+  static const number
+  /* polynomial I */
+/**/ d3             = {0xbfd55555, 0x55555555, }, /* -0.333... */
+/**/ d5             = {0x3fc99999, 0x999997fd, }, /*  0.199... */
+/**/ d7             = {0xbfc24924, 0x923f7603, }, /* -0.142... */
+/**/ d9             = {0x3fbc71c6, 0xe5129a3b, }, /*  0.111... */
+/**/ d11            = {0xbfb74580, 0x22b13c25, }, /* -0.090... */
+/**/ d13            = {0x3fb375f0, 0x8b31cbce, }, /*  0.076... */
+  /* polynomial II */
+/**/ f3             = {0xbfd55555, 0x55555555, }, /* -1/3      */
+/**/ ff3            = {0xbc755555, 0x55555555, }, /* -1/3-f3   */
+/**/ f5             = {0x3fc99999, 0x9999999a, }, /*  1/5      */
+/**/ ff5            = {0xbc699999, 0x9999999a, }, /*  1/5-f5   */
+/**/ f7             = {0xbfc24924, 0x92492492, }, /* -1/7      */
+/**/ ff7            = {0xbc624924, 0x92492492, }, /* -1/7-f7   */
+/**/ f9             = {0x3fbc71c7, 0x1c71c71c, }, /*  1/9      */
+/**/ ff9            = {0x3c5c71c7, 0x1c71c71c, }, /*  1/9-f9   */
+/**/ f11            = {0xbfb745d1, 0x745d1746, }, /* -1/11     */
+/**/ f13            = {0x3fb3b13b, 0x13b13b14, }, /*  1/13     */
+/**/ f15            = {0xbfb11111, 0x11111111, }, /* -1/15     */
+/**/ f17            = {0x3fae1e1e, 0x1e1e1e1e, }, /*  1/17     */
+/**/ f19            = {0xbfaaf286, 0xbca1af28, }, /* -1/19     */
+  /* constants    */
+/**/ zero           = {0x00000000, 0x00000000, }, /*  0            */
+/**/ mzero          = {0x80000000, 0x00000000, }, /* -0            */
+/**/ one            = {0x3ff00000, 0x00000000, }, /*  1            */
+/**/ inv16          = {0x3fb00000, 0x00000000, }, /*  1/16         */
+/**/ opi            = {0x400921fb, 0x54442d18, }, /*  pi           */
+/**/ opi1           = {0x3ca1a626, 0x33145c07, }, /*  pi-opi       */
+/**/ mopi           = {0xc00921fb, 0x54442d18, }, /* -pi           */
+/**/ hpi            = {0x3ff921fb, 0x54442d18, }, /*  pi/2         */
+/**/ hpi1           = {0x3c91a626, 0x33145c07, }, /*  pi/2-hpi     */
+/**/ mhpi           = {0xbff921fb, 0x54442d18, }, /* -pi/2         */
+/**/ qpi            = {0x3fe921fb, 0x54442d18, }, /*  pi/4         */
+/**/ qpi1           = {0x3c81a626, 0x33145c07, }, /*  pi/4-qpi     */
+/**/ mqpi           = {0xbfe921fb, 0x54442d18, }, /* -pi/4         */
+/**/ tqpi           = {0x4002d97c, 0x7f3321d2, }, /*  3pi/4        */
+/**/ tqpi1          = {0x3c9a7939, 0x4c9e8a0a, }, /*  3pi/4-tqpi   */
+/**/ mtqpi          = {0xc002d97c, 0x7f3321d2, }, /* -3pi/4        */
+/**/ u1             = {0x3c314c2a, 0x00000000, }, /*  9.377e-19    */
+/**/ u2             = {0x3bf955e4, 0x00000000, }, /*  8.584e-20    */
+/**/ u3             = {0x3bf955e4, 0x00000000, }, /*  8.584e-20    */
+/**/ u4             = {0x3bf955e4, 0x00000000, }, /*  8.584e-20    */
+/**/ u5             = {0x3aaef2d1, 0x00000000, }, /*  5e-26        */
+/**/ u6             = {0x3a6eeb36, 0x00000000, }, /*  3.122e-27    */
+/**/ u7             = {0x3a6eeb36, 0x00000000, }, /*  3.122e-27    */
+/**/ u8             = {0x3a6eeb36, 0x00000000, }, /*  3.122e-27    */
+/**/ u91            = {0x3c6dffc0, 0x00000000, }, /*  1.301e-17    */
+/**/ u92            = {0x3c527bd0, 0x00000000, }, /*  4.008e-18    */
+/**/ u93            = {0x3c3cd057, 0x00000000, }, /*  1.562e-18    */
+/**/ u94            = {0x3c329cdf, 0x00000000, }, /*  1.009e-18    */
+/**/ ua1            = {0x3c3a1edf, 0x00000000, }, /*  1.416e-18    */
+/**/ ua2            = {0x3c33f0e1, 0x00000000, }, /*  1.081e-18    */
+/**/ ub             = {0x3a98c56d, 0x00000000, }, /*  2.001e-26    */
+/**/ uc             = {0x3a9375de, 0x00000000, }, /*  1.572e-26    */
+/**/ ud[MM]         ={{0x38c6eddf, 0x00000000, }, /*  3.450e-35    */
+/**/                  {0x35c6ef60, 0x00000000, }, /*  1.226e-49    */
+/**/                  {0x32c6ed2f, 0x00000000, }, /*  4.354e-64    */
+/**/                  {0x23c6eee8, 0x00000000, }, /*  2.465e-136   */
+/**/                  {0x11c6ed16, 0x00000000, }},/*  4.955e-223   */
+/**/ ue             = {0x38900e9d, 0x00000000, }, /*  3.02e-36     */
+/**/ two8           = {0x40700000, 0x00000000, }, /*  2**8=256     */
+/**/ two52          = {0x43300000, 0x00000000, }, /*  2**52        */
+/**/ two500         = {0x5f300000, 0x00000000, }, /*  2**500       */
+/**/ twom500        = {0x20b00000, 0x00000000, }, /*  2**(-500)    */
+/**/ twom1022       = {0x00100000, 0x00000000, }; /*  2**(-1022)   */
+
+#else
+#ifdef LITTLE_ENDI
+
+  static const number
+  /* polynomial I */
+/**/ d3             = {0x55555555, 0xbfd55555, }, /* -0.333... */
+/**/ d5             = {0x999997fd, 0x3fc99999, }, /*  0.199... */
+/**/ d7             = {0x923f7603, 0xbfc24924, }, /* -0.142... */
+/**/ d9             = {0xe5129a3b, 0x3fbc71c6, }, /*  0.111... */
+/**/ d11            = {0x22b13c25, 0xbfb74580, }, /* -0.090... */
+/**/ d13            = {0x8b31cbce, 0x3fb375f0, }, /*  0.076... */
+  /* polynomial II */
+/**/ f3             = {0x55555555, 0xbfd55555, }, /* -1/3      */
+/**/ ff3            = {0x55555555, 0xbc755555, }, /* -1/3-f3   */
+/**/ f5             = {0x9999999a, 0x3fc99999, }, /*  1/5      */
+/**/ ff5            = {0x9999999a, 0xbc699999, }, /*  1/5-f5   */
+/**/ f7             = {0x92492492, 0xbfc24924, }, /* -1/7      */
+/**/ ff7            = {0x92492492, 0xbc624924, }, /* -1/7-f7   */
+/**/ f9             = {0x1c71c71c, 0x3fbc71c7, }, /*  1/9      */
+/**/ ff9            = {0x1c71c71c, 0x3c5c71c7, }, /*  1/9-f9   */
+/**/ f11            = {0x745d1746, 0xbfb745d1, }, /* -1/11     */
+/**/ f13            = {0x13b13b14, 0x3fb3b13b, }, /*  1/13     */
+/**/ f15            = {0x11111111, 0xbfb11111, }, /* -1/15     */
+/**/ f17            = {0x1e1e1e1e, 0x3fae1e1e, }, /*  1/17     */
+/**/ f19            = {0xbca1af28, 0xbfaaf286, }, /* -1/19     */
+  /* constants    */
+/**/ zero           = {0x00000000, 0x00000000, }, /*  0            */
+/**/ mzero          = {0x00000000, 0x80000000, }, /* -0            */
+/**/ one            = {0x00000000, 0x3ff00000, }, /*  1            */
+/**/ inv16          = {0x00000000, 0x3fb00000, }, /*  1/16         */
+/**/ opi            = {0x54442d18, 0x400921fb, }, /*  pi           */
+/**/ opi1           = {0x33145c07, 0x3ca1a626, }, /*  pi-opi       */
+/**/ mopi           = {0x54442d18, 0xc00921fb, }, /* -pi           */
+/**/ hpi            = {0x54442d18, 0x3ff921fb, }, /*  pi/2         */
+/**/ hpi1           = {0x33145c07, 0x3c91a626, }, /*  pi/2-hpi     */
+/**/ mhpi           = {0x54442d18, 0xbff921fb, }, /* -pi/2         */
+/**/ qpi            = {0x54442d18, 0x3fe921fb, }, /*  pi/4         */
+/**/ qpi1           = {0x33145c07, 0x3c81a626, }, /*  pi/4-qpi     */
+/**/ mqpi           = {0x54442d18, 0xbfe921fb, }, /* -pi/4         */
+/**/ tqpi           = {0x7f3321d2, 0x4002d97c, }, /*  3pi/4        */
+/**/ tqpi1          = {0x4c9e8a0a, 0x3c9a7939, }, /*  3pi/4-tqpi   */
+/**/ mtqpi          = {0x7f3321d2, 0xc002d97c, }, /* -3pi/4        */
+/**/ u1             = {0x00000000, 0x3c314c2a, }, /*  9.377e-19    */
+/**/ u2             = {0x00000000, 0x3bf955e4, }, /*  8.584e-20    */
+/**/ u3             = {0x00000000, 0x3bf955e4, }, /*  8.584e-20    */
+/**/ u4             = {0x00000000, 0x3bf955e4, }, /*  8.584e-20    */
+/**/ u5             = {0x00000000, 0x3aaef2d1, }, /*  5e-26        */
+/**/ u6             = {0x00000000, 0x3a6eeb36, }, /*  3.122e-27    */
+/**/ u7             = {0x00000000, 0x3a6eeb36, }, /*  3.122e-27    */
+/**/ u8             = {0x00000000, 0x3a6eeb36, }, /*  3.122e-27    */
+/**/ u91            = {0x00000000, 0x3c6dffc0, }, /*  1.301e-17    */
+/**/ u92            = {0x00000000, 0x3c527bd0, }, /*  4.008e-18    */
+/**/ u93            = {0x00000000, 0x3c3cd057, }, /*  1.562e-18    */
+/**/ u94            = {0x00000000, 0x3c329cdf, }, /*  1.009e-18    */
+/**/ ua1            = {0x00000000, 0x3c3a1edf, }, /*  1.416e-18    */
+/**/ ua2            = {0x00000000, 0x3c33f0e1, }, /*  1.081e-18    */
+/**/ ub             = {0x00000000, 0x3a98c56d, }, /*  2.001e-26    */
+/**/ uc             = {0x00000000, 0x3a9375de, }, /*  1.572e-26    */
+/**/ ud[MM]         ={{0x00000000, 0x38c6eddf, }, /*  3.450e-35    */
+/**/                  {0x00000000, 0x35c6ef60, }, /*  1.226e-49    */
+/**/                  {0x00000000, 0x32c6ed2f, }, /*  4.354e-64    */
+/**/                  {0x00000000, 0x23c6eee8, }, /*  2.465e-136   */
+/**/                  {0x00000000, 0x11c6ed16, }},/*  4.955e-223   */
+/**/ ue             = {0x00000000, 0x38900e9d, }, /*  3.02e-36     */
+/**/ two8           = {0x00000000, 0x40700000, }, /*  2**8=256     */
+/**/ two52          = {0x00000000, 0x43300000, }, /*  2**52        */
+/**/ two500         = {0x00000000, 0x5f300000, }, /*  2**500       */
+/**/ twom500        = {0x00000000, 0x20b00000, }, /*  2**(-500)    */
+/**/ twom1022       = {0x00000000, 0x00100000, }; /*  2**(-1022)   */
+
+#endif
+#endif
+
+#define  ZERO      zero.d
+#define  MZERO     mzero.d
+#define  ONE       one.d
+#define  TWO8      two8.d
+#define  TWO52     two52.d
+#define  TWOM1022  twom1022.d
+
+#endif