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, 172 insertions, 0 deletions

diff --git a/sysdeps/ieee754/dbl-64/mpatan.h b/sysdeps/ieee754/dbl-64/mpatan.h
new file mode 100644
index 0000000..7c77001
--- /dev/null
+++ b/sysdeps/ieee754/dbl-64/mpatan.h
@@ -0,0 +1,172 @@
+
+/*
+ * 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:mpatan.h                                           */
+/*                                                                */
+/* common data and variables prototype and definition             */
+/******************************************************************/
+
+#ifndef MPATAN_H
+#define MPATAN_H
+
+#ifdef BIG_ENDI
+  static const number
+            xm[8] = {                             /* x[m]   */
+/**/                  {0x00000000, 0x00000000, }, /* 0.0    */
+/**/                  {0x3f8930be, 0x00000000, }, /* 0.0123 */
+/**/                  {0x3f991687, 0x00000000, }, /* 0.0245 */
+/**/                  {0x3fa923a2, 0x00000000, }, /* 0.0491 */
+/**/                  {0x3fb930be, 0x00000000, }, /* 0.0984 */
+/**/                  {0x3fc95810, 0x00000000, }, /* 0.198  */
+/**/                  {0x3fda7ef9, 0x00000000, }, /* 0.414  */
+/**/                  {0x3ff00000, 0x00000000, }, /* 1.0    */
+                    };
+  static const number
+       twonm1[33] = {                             /* 2n-1   */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x40260000, 0x00000000, }, /* 11     */
+/**/                  {0x402e0000, 0x00000000, }, /* 15     */
+/**/                  {0x40330000, 0x00000000, }, /* 19     */
+/**/                  {0x40350000, 0x00000000, }, /* 21     */
+/**/                  {0x40390000, 0x00000000, }, /* 25     */
+/**/                  {0x403d0000, 0x00000000, }, /* 29     */
+/**/                  {0x40408000, 0x00000000, }, /* 33     */
+/**/                  {0x40428000, 0x00000000, }, /* 37     */
+/**/                  {0x40448000, 0x00000000, }, /* 41     */
+/**/                  {0x40468000, 0x00000000, }, /* 45     */
+/**/                  {0x40488000, 0x00000000, }, /* 49     */
+/**/                  {0x404a8000, 0x00000000, }, /* 53     */
+/**/                  {0x404b8000, 0x00000000, }, /* 55     */
+/**/                  {0x404d8000, 0x00000000, }, /* 59     */
+/**/                  {0x404f8000, 0x00000000, }, /* 63     */
+/**/                  {0x4050c000, 0x00000000, }, /* 67     */
+/**/                  {0x4051c000, 0x00000000, }, /* 71     */
+/**/                  {0x4052c000, 0x00000000, }, /* 75     */
+/**/                  {0x4053c000, 0x00000000, }, /* 79     */
+/**/                  {0x4054c000, 0x00000000, }, /* 83     */
+/**/                  {0x40554000, 0x00000000, }, /* 85     */
+/**/                  {0x40564000, 0x00000000, }, /* 89     */
+/**/                  {0x40574000, 0x00000000, }, /* 93     */
+/**/                  {0x40584000, 0x00000000, }, /* 97     */
+/**/                  {0x40594000, 0x00000000, }, /* 101    */
+/**/                  {0x405a4000, 0x00000000, }, /* 105    */
+/**/                  {0x405b4000, 0x00000000, }, /* 109    */
+/**/                  {0x405c4000, 0x00000000, }, /* 113    */
+/**/                  {0x405d4000, 0x00000000, }, /* 117    */
+                    };
+
+  static const number
+          twom[8] = {                             /* 2**m   */
+/**/                  {0x3ff00000, 0x00000000, }, /*   1.0  */
+/**/                  {0x40000000, 0x00000000, }, /*   2.0  */
+/**/                  {0x40100000, 0x00000000, }, /*   4.0  */
+/**/                  {0x40200000, 0x00000000, }, /*   8.0  */
+/**/                  {0x40300000, 0x00000000, }, /*  16.0  */
+/**/                  {0x40400000, 0x00000000, }, /*  32.0  */
+/**/                  {0x40500000, 0x00000000, }, /*  64.0  */
+/**/                  {0x40600000, 0x00000000, }, /* 128.0  */
+                    };
+
+  static const number
+/**/ one            = {0x3ff00000, 0x00000000, }, /* 1      */
+/**/ two            = {0x40000000, 0x00000000, }; /* 2      */
+
+#else
+#ifdef LITTLE_ENDI
+
+  static const number
+            xm[8] = {                             /* x[m]   */
+/**/                  {0x00000000, 0x00000000, }, /* 0.0    */
+/**/                  {0x00000000, 0x3f8930be, }, /* 0.0123 */
+/**/                  {0x00000000, 0x3f991687, }, /* 0.0245 */
+/**/                  {0x00000000, 0x3fa923a2, }, /* 0.0491 */
+/**/                  {0x00000000, 0x3fb930be, }, /* 0.0984 */
+/**/                  {0x00000000, 0x3fc95810, }, /* 0.198  */
+/**/                  {0x00000000, 0x3fda7ef9, }, /* 0.414  */
+/**/                  {0x00000000, 0x3ff00000, }, /* 1.0    */
+                    };
+  static const number
+       twonm1[33] = {                             /* 2n-1   */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x00000000, }, /* 0      */
+/**/                  {0x00000000, 0x40260000, }, /* 11     */
+/**/                  {0x00000000, 0x402e0000, }, /* 15     */
+/**/                  {0x00000000, 0x40330000, }, /* 19     */
+/**/                  {0x00000000, 0x40350000, }, /* 21     */
+/**/                  {0x00000000, 0x40390000, }, /* 25     */
+/**/                  {0x00000000, 0x403d0000, }, /* 29     */
+/**/                  {0x00000000, 0x40408000, }, /* 33     */
+/**/                  {0x00000000, 0x40428000, }, /* 37     */
+/**/                  {0x00000000, 0x40448000, }, /* 41     */
+/**/                  {0x00000000, 0x40468000, }, /* 45     */
+/**/                  {0x00000000, 0x40488000, }, /* 49     */
+/**/                  {0x00000000, 0x404a8000, }, /* 53     */
+/**/                  {0x00000000, 0x404b8000, }, /* 55     */
+/**/                  {0x00000000, 0x404d8000, }, /* 59     */
+/**/                  {0x00000000, 0x404f8000, }, /* 63     */
+/**/                  {0x00000000, 0x4050c000, }, /* 67     */
+/**/                  {0x00000000, 0x4051c000, }, /* 71     */
+/**/                  {0x00000000, 0x4052c000, }, /* 75     */
+/**/                  {0x00000000, 0x4053c000, }, /* 79     */
+/**/                  {0x00000000, 0x4054c000, }, /* 83     */
+/**/                  {0x00000000, 0x40554000, }, /* 85     */
+/**/                  {0x00000000, 0x40564000, }, /* 89     */
+/**/                  {0x00000000, 0x40574000, }, /* 93     */
+/**/                  {0x00000000, 0x40584000, }, /* 97     */
+/**/                  {0x00000000, 0x40594000, }, /* 101    */
+/**/                  {0x00000000, 0x405a4000, }, /* 105    */
+/**/                  {0x00000000, 0x405b4000, }, /* 109    */
+/**/                  {0x00000000, 0x405c4000, }, /* 113    */
+/**/                  {0x00000000, 0x405d4000, }, /* 117    */
+                    };
+
+  static const number
+          twom[8] = {                             /* 2**m   */
+/**/                  {0x00000000, 0x3ff00000, }, /*   1.0  */
+/**/                  {0x00000000, 0x40000000, }, /*   2.0  */
+/**/                  {0x00000000, 0x40100000, }, /*   4.0  */
+/**/                  {0x00000000, 0x40200000, }, /*   8.0  */
+/**/                  {0x00000000, 0x40300000, }, /*  16.0  */
+/**/                  {0x00000000, 0x40400000, }, /*  32.0  */
+/**/                  {0x00000000, 0x40500000, }, /*  64.0  */
+/**/                  {0x00000000, 0x40600000, }, /* 128.0  */
+                    };
+
+  static const number
+/**/ one            = {0x00000000, 0x3ff00000, }, /* 1      */
+/**/ two            = {0x00000000, 0x40000000, }; /* 2      */
+
+#endif
+#endif
+
+#define  ONE       one.d
+#define  TWO       two.d
+
+  static const int
+    np[33] = { 0, 0, 0, 0, 6, 8,10,11,13,15,17,19,21,23,25,27,28,
+	       30,32,34,36,38,40,42,43,45,47,49,51,53,55,57,59};
+ 
+#endif