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diff --git a/sysdeps/ieee754/dbl-64/upow.h b/sysdeps/ieee754/dbl-64/upow.h
new file mode 100644
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+++ b/sysdeps/ieee754/dbl-64/upow.h
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+
+/*
+ * 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:upow.h                                             */
+/*                                                                */
+/* common data and variables prototype and definition             */
+/******************************************************************/
+
+#ifndef UPOW_H
+#define UPOW_H
+
+#include "mydefs.h"
+
+#ifdef BIG_ENDI
+  const static mynumber
+/**/ INF            = {0x7ff00000, 0x00000000 }, /* INF           */
+/**/ NaNQ           = {0x7ff80000, 0x00000000 }, /* NaNQ          */
+/**/ sqrt_2         = {0x3ff6a09e, 0x667f3bcc }, /* sqrt(2)       */
+/**/ ln2a           = {0x3fe62e42, 0xfefa3800 }, /* ln(2) 43 bits */
+/**/ ln2b           = {0x3d2ef357, 0x93c76730 }, /* ln(2)-ln2a    */
+/**/ bigu           = {0x4297ffff, 0xfffffd2c }, /* 1.5*2**42 -724*2**-10  */
+/**/ bigv           = {0x4207ffff, 0xfff8016a }, /* 1.5*2**33-1+362*2**-19  */
+/**/ t52            = {0x43300000, 0x00000000 }, /* 2**52         */
+/**/ two52e         = {0x43300000, 0x000003ff }; /* 2**52'        */
+
+ mynumber
+/**/ two52          = {0x43300000, 0x00000000 }; /* 2**52         */
+
+#else
+#ifdef LITTLE_ENDI
+  const static mynumber
+/**/ INF            = {0x00000000, 0x7ff00000 }, /* INF           */
+/**/ NaNQ           = {0x00000000, 0x7ff80000 }, /* NaNQ          */
+/**/ sqrt_2         = {0x667f3bcc, 0x3ff6a09e }, /* sqrt(2)       */
+/**/ ln2a           = {0xfefa3800, 0x3fe62e42 }, /* ln(2) 43 bits */
+/**/ ln2b           = {0x93c76730, 0x3d2ef357 }, /* ln(2)-ln2a    */
+/**/ bigu           = {0xfffffd2c, 0x4297ffff }, /* 1.5*2**42 -724*2**-10  */
+/**/ bigv           = {0xfff8016a, 0x4207ffff }, /* 1.5*2**33-1+362*2**-19  */
+/**/ t52            = {0x00000000, 0x43300000 }, /* 2**52         */
+/**/ two52e         = {0x000003ff, 0x43300000 }; /* 2**52'        */
+
+ mynumber
+/**/ two52          = {0x00000000, 0x43300000 }; /* 2**52         */
+
+#endif
+#endif
+
+const static double p2=-0.5, p3 =  3.3333333333333333333e-1, p4 = -0.25,
+  q2 = -0.5, q3 = 3.3333333333331404e-01, q4 =  -2.4999999999996436e-01,
+  q5 =  2.0000010500004459e-01, q6 =  -1.6666678916688004e-01,
+  r3 =  3.33333333333333333372884096563030E-01,
+  r4 = -2.50000000000000000213574153875908E-01,
+  r5 =  1.99999999999683593814072199830603E-01,
+  r6 = -1.66666666666065494878165510225378E-01,
+  r7 =  1.42857517857114380606360005067609E-01,
+  r8 = -1.25000449999974370683775964001702E-01,
+  s3 =  0.333251953125000000e0,
+ ss3 =  8.138020833333333333e-05,
+  s4 = -2.500000000000000000e-01,
+  s5 =  1.999999999999960937e-01,
+  s6 = -1.666666666666592447e-01,
+  s7 =  1.428571845238194705e-01,
+  s8 = -1.250000500000149097e-01;
+#endif