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diff --git a/sysdeps/ieee754/dbl-64/sincos32.c b/sysdeps/ieee754/dbl-64/sincos32.c
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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: sincos32.c */
+/* */
+/* FUNCTIONS: ss32 */
+/* cc32 */
+/* c32 */
+/* sin32 */
+/* cos32 */
+/* mpsin */
+/* mpcos */
+/* mpranred */
+/* mpsin1 */
+/* mpcos1 */
+/* */
+/* FILES NEEDED: endian.h mpa.h sincos32.h */
+/* mpa.c */
+/* */
+/* Multi Precision sin() and cos() function with p=32 for sin()*/
+/* cos() arcsin() and arccos() routines */
+/* In addition mpranred() routine performs range reduction of */
+/* a double number x into multi precision number y, */
+/* such that y=x-n*pi/2, abs(y)<pi/4, n=0,+-1,+-2,.... */
+/****************************************************************/
+#include "endian.h"
+#include "mpa.h"
+#include "sincos32.h"
+
+/****************************************************************/
+/* Compute Multi-Precision sin() function for given p. Receive */
+/* Multi Precision number x and result stored at y */
+/****************************************************************/
+void ss32(mp_no *x, mp_no *y, int p) {
+ int i;
+ double a,b;
+ static const mp_no mpone = {1,1.0,1.0};
+ mp_no mpt1,mpt2,x2,gor,sum ,mpk={1,1.0};
+ for (i=1;i<=p;i++) mpk.d[i]=0;
+
+ mul(x,x,&x2,p);
+ cpy(&oofac27,&gor,p);
+ cpy(&gor,&sum,p);
+ for (a=27.0;a>1.0;a-=2.0) {
+ mpk.d[1]=a*(a-1.0);
+ mul(&gor,&mpk,&mpt1,p);
+ cpy(&mpt1,&gor,p);
+ mul(&x2,&sum,&mpt1,p);
+ sub(&gor,&mpt1,&sum,p);
+ }
+ mul(x,&sum,y,p);
+}
+
+/**********************************************************************/
+/* Compute Multi-Precision cos() function for given p. Receive Multi */
+/* Precision number x and result stored at y */
+/**********************************************************************/
+void cc32(mp_no *x, mp_no *y, int p) {
+ int i;
+ double a,b;
+ static const mp_no mpone = {1,1.0,1.0};
+ mp_no mpt1,mpt2,x2,gor,sum ,mpk={1,1.0};
+ for (i=1;i<=p;i++) mpk.d[i]=0;
+
+ mul(x,x,&x2,p);
+ mpk.d[1]=27.0;
+ mul(&oofac27,&mpk,&gor,p);
+ cpy(&gor,&sum,p);
+ for (a=26.0;a>2.0;a-=2.0) {
+ mpk.d[1]=a*(a-1.0);
+ mul(&gor,&mpk,&mpt1,p);
+ cpy(&mpt1,&gor,p);
+ mul(&x2,&sum,&mpt1,p);
+ sub(&gor,&mpt1,&sum,p);
+ }
+ mul(&x2,&sum,y,p);
+}
+
+/***************************************************************************/
+/* c32() computes both sin(x), cos(x) as Multi precision numbers */
+/***************************************************************************/
+void c32(mp_no *x, mp_no *y, mp_no *z, int p) {
+ static const mp_no mpt={1,1.0,2.0}, one={1,1.0,1.0};
+ mp_no u,t,t1,t2,c,s;
+ int i;
+ cpy(x,&u,p);
+ u.e=u.e-1;
+ cc32(&u,&c,p);
+ ss32(&u,&s,p);
+ for (i=0;i<24;i++) {
+ mul(&c,&s,&t,p);
+ sub(&s,&t,&t1,p);
+ add(&t1,&t1,&s,p);
+ sub(&mpt,&c,&t1,p);
+ mul(&t1,&c,&t2,p);
+ add(&t2,&t2,&c,p);
+ }
+ sub(&one,&c,y,p);
+ cpy(&s,z,p);
+}
+
+/************************************************************************/
+/*Routine receive double x and two double results of sin(x) and return */
+/*result which is more accurate */
+/*Computing sin(x) with multi precision routine c32 */
+/************************************************************************/
+double sin32(double x, double res, double res1) {
+ int p;
+ mp_no a,b,c;
+ p=32;
+ dbl_mp(res,&a,p);
+ dbl_mp(0.5*(res1-res),&b,p);
+ add(&a,&b,&c,p);
+ if (x>0.8)
+ { sub(&hp,&c,&a,p);
+ c32(&a,&b,&c,p);
+ }
+ else c32(&c,&a,&b,p); /* b=sin(0.5*(res+res1)) */
+ dbl_mp(x,&c,p); /* c = x */
+ sub(&b,&c,&a,p);
+ /* if a>0 return min(res,res1), otherwise return max(res,res1) */
+ if (a.d[0]>0) return (res<res1)?res:res1;
+ else return (res>res1)?res:res1;
+}
+
+/************************************************************************/
+/*Routine receive double x and two double results of cos(x) and return */
+/*result which is more accurate */
+/*Computing cos(x) with multi precision routine c32 */
+/************************************************************************/
+double cos32(double x, double res, double res1) {
+ int p;
+ mp_no a,b,c;
+ p=32;
+ dbl_mp(res,&a,p);
+ dbl_mp(0.5*(res1-res),&b,p);
+ add(&a,&b,&c,p);
+ if (x>2.4)
+ { sub(&pi,&c,&a,p);
+ c32(&a,&b,&c,p);
+ b.d[0]=-b.d[0];
+ }
+ else if (x>0.8)
+ { sub(&hp,&c,&a,p);
+ c32(&a,&c,&b,p);
+ }
+ else c32(&c,&b,&a,p); /* b=cos(0.5*(res+res1)) */
+ dbl_mp(x,&c,p); /* c = x */
+ sub(&b,&c,&a,p);
+ /* if a>0 return max(res,res1), otherwise return min(res,res1) */
+ if (a.d[0]>0) return (res>res1)?res:res1;
+ else return (res<res1)?res:res1;
+}
+
+/*******************************************************************/
+/*Compute sin(x+dx) as Multi Precision number and return result as */
+/* double */
+/*******************************************************************/
+double mpsin(double x, double dx) {
+ int p;
+ double y;
+ mp_no a,b,c;
+ p=32;
+ dbl_mp(x,&a,p);
+ dbl_mp(dx,&b,p);
+ add(&a,&b,&c,p);
+ if (x>0.8) { sub(&hp,&c,&a,p); c32(&a,&b,&c,p); }
+ else c32(&c,&a,&b,p); /* b = sin(x+dx) */
+ mp_dbl(&b,&y,p);
+ return y;
+}
+
+/*******************************************************************/
+/* Compute cos()of double-length number (x+dx) as Multi Precision */
+/* number and return result as double */
+/*******************************************************************/
+double mpcos(double x, double dx) {
+ int p;
+ double y;
+ mp_no a,b,c;
+ p=32;
+ dbl_mp(x,&a,p);
+ dbl_mp(dx,&b,p);
+ add(&a,&b,&c,p);
+ if (x>0.8)
+ { sub(&hp,&c,&b,p);
+ c32(&b,&a,&c,p);
+ }
+ else c32(&c,&a,&b,p); /* a = cos(x+dx) */
+ mp_dbl(&a,&y,p);
+ return y;
+}
+
+/******************************************************************/
+/* mpranred() performs range reduction of a double number x into */
+/* multi precision number y, such that y=x-n*pi/2, abs(y)<pi/4, */
+/* n=0,+-1,+-2,.... */
+/* Return int which indicates in which quarter of circle x is */
+/******************************************************************/
+int mpranred(double x, mp_no *y, int p)
+{
+ number v;
+ double t,xn;
+ int i,k,n;
+ static const mp_no one = {1,1.0,1.0};
+ mp_no a,b,c;
+
+ if (ABS(x) < 2.8e14) {
+ t = (x*hpinv.d + toint.d);
+ xn = t - toint.d;
+ v.d = t;
+ n =v.i[LOW_HALF]&3;
+ dbl_mp(xn,&a,p);
+ mul(&a,&hp,&b,p);
+ dbl_mp(x,&c,p);
+ sub(&c,&b,y,p);
+ return n;
+ }
+ else { /* if x is very big more precision required */
+ dbl_mp(x,&a,p);
+ a.d[0]=1.0;
+ k = a.e-5;
+ if (k < 0) k=0;
+ b.e = -k;
+ b.d[0] = 1.0;
+ for (i=0;i<p;i++) b.d[i+1] = toverp[i+k];
+ mul(&a,&b,&c,p);
+ t = c.d[c.e];
+ for (i=1;i<=p-c.e;i++) c.d[i]=c.d[i+c.e];
+ for (i=p+1-c.e;i<=p;i++) c.d[i]=0;
+ c.e=0;
+ if (c.d[1] >= 8388608.0)
+ { t +=1.0;
+ sub(&c,&one,&b,p);
+ mul(&b,&hp,y,p);
+ }
+ else mul(&c,&hp,y,p);
+ n = (int) t;
+ if (x < 0) { y->d[0] = - y->d[0]; n = -n; }
+ return (n&3);
+ }
+}
+
+/*******************************************************************/
+/* Multi-Precision sin() function subroutine, for p=32. It is */
+/* based on the routines mpranred() and c32(). */
+/*******************************************************************/
+double mpsin1(double x)
+{
+ int p;
+ int n;
+ mp_no u,s,c;
+ double y;
+ p=32;
+ n=mpranred(x,&u,p); /* n is 0, 1, 2 or 3 */
+ c32(&u,&c,&s,p);
+ switch (n) { /* in which quarter of unit circle y is*/
+ case 0:
+ mp_dbl(&s,&y,p);
+ return y;
+ break;
+
+ case 2:
+ mp_dbl(&s,&y,p);
+ return -y;
+ break;
+
+ case 1:
+ mp_dbl(&c,&y,p);
+ return y;
+ break;
+
+ case 3:
+ mp_dbl(&c,&y,p);
+ return -y;
+ break;
+
+ }
+ return 0; /* unreachable, to make the compiler happy */
+}
+
+/*****************************************************************/
+/* Multi-Precision cos() function subroutine, for p=32. It is */
+/* based on the routines mpranred() and c32(). */
+/*****************************************************************/
+
+double mpcos1(double x)
+{
+ int p;
+ int n;
+ mp_no u,s,c;
+ double y;
+
+ p=32;
+ n=mpranred(x,&u,p); /* n is 0, 1, 2 or 3 */
+ c32(&u,&c,&s,p);
+ switch (n) { /* in what quarter of unit circle y is*/
+
+ case 0:
+ mp_dbl(&c,&y,p);
+ return y;
+ break;
+
+ case 2:
+ mp_dbl(&c,&y,p);
+ return -y;
+ break;
+
+ case 1:
+ mp_dbl(&s,&y,p);
+ return -y;
+ break;
+
+ case 3:
+ mp_dbl(&s,&y,p);
+ return y;
+ break;
+
+ }
+ return 0; /* unreachable, to make the compiler happy */
+}
+/******************************************************************/
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