===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/engine/N.c,v
retrieving revision 1.1
retrieving revision 1.9
diff -u -p -r1.1 -r1.9
--- OpenXM_contrib2/asir2000/engine/N.c	1999/12/03 07:39:08	1.1
+++ OpenXM_contrib2/asir2000/engine/N.c	2007/09/15 10:17:08	1.9
@@ -1,15 +1,57 @@
-/* $OpenXM: OpenXM/src/asir99/engine/N.c,v 1.1.1.1 1999/11/10 08:12:26 noro Exp $ */
+/*
+ * Copyright (c) 1994-2000 FUJITSU LABORATORIES LIMITED 
+ * All rights reserved.
+ * 
+ * FUJITSU LABORATORIES LIMITED ("FLL") hereby grants you a limited,
+ * non-exclusive and royalty-free license to use, copy, modify and
+ * redistribute, solely for non-commercial and non-profit purposes, the
+ * computer program, "Risa/Asir" ("SOFTWARE"), subject to the terms and
+ * conditions of this Agreement. For the avoidance of doubt, you acquire
+ * only a limited right to use the SOFTWARE hereunder, and FLL or any
+ * third party developer retains all rights, including but not limited to
+ * copyrights, in and to the SOFTWARE.
+ * 
+ * (1) FLL does not grant you a license in any way for commercial
+ * purposes. You may use the SOFTWARE only for non-commercial and
+ * non-profit purposes only, such as academic, research and internal
+ * business use.
+ * (2) The SOFTWARE is protected by the Copyright Law of Japan and
+ * international copyright treaties. If you make copies of the SOFTWARE,
+ * with or without modification, as permitted hereunder, you shall affix
+ * to all such copies of the SOFTWARE the above copyright notice.
+ * (3) An explicit reference to this SOFTWARE and its copyright owner
+ * shall be made on your publication or presentation in any form of the
+ * results obtained by use of the SOFTWARE.
+ * (4) In the event that you modify the SOFTWARE, you shall notify FLL by
+ * e-mail at risa-admin@sec.flab.fujitsu.co.jp of the detailed specification
+ * for such modification or the source code of the modified part of the
+ * SOFTWARE.
+ * 
+ * THE SOFTWARE IS PROVIDED AS IS WITHOUT ANY WARRANTY OF ANY KIND. FLL
+ * MAKES ABSOLUTELY NO WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY, AND
+ * EXPRESSLY DISCLAIMS ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF THIRD PARTIES'
+ * RIGHTS. NO FLL DEALER, AGENT, EMPLOYEES IS AUTHORIZED TO MAKE ANY
+ * MODIFICATIONS, EXTENSIONS, OR ADDITIONS TO THIS WARRANTY.
+ * UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, TORT, CONTRACT,
+ * OR OTHERWISE, SHALL FLL BE LIABLE TO YOU OR ANY OTHER PERSON FOR ANY
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL
+ * DAMAGES OF ANY CHARACTER, INCLUDING, WITHOUT LIMITATION, DAMAGES
+ * ARISING OUT OF OR RELATING TO THE SOFTWARE OR THIS AGREEMENT, DAMAGES
+ * FOR LOSS OF GOODWILL, WORK STOPPAGE, OR LOSS OF DATA, OR FOR ANY
+ * DAMAGES, EVEN IF FLL SHALL HAVE BEEN INFORMED OF THE POSSIBILITY OF
+ * SUCH DAMAGES, OR FOR ANY CLAIM BY ANY OTHER PARTY. EVEN IF A PART
+ * OF THE SOFTWARE HAS BEEN DEVELOPED BY A THIRD PARTY, THE THIRD PARTY
+ * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
+ * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
+ *
+ * $OpenXM: OpenXM_contrib2/asir2000/engine/N.c,v 1.8 2007/02/18 05:36:27 ohara Exp $ 
+*/
 #include "ca.h"
 #include "base.h"
 
-void addn();
-int subn();
-void _bshiftn();
-void dupn();
-
 #if defined(VISUAL) || defined(i386)
-void addn(n1,n2,nr)
-N n1,n2,*nr;
+void addn(N n1,N n2,N *nr)
 {
 	unsigned int *m1,*m2,*mr;
 	unsigned int c;
@@ -56,6 +98,7 @@ N n1,n2,*nr;
 		}
 #else
 		asm volatile("\
+		pushl	%%ebx;\
 		movl	%1,%%esi;\
 		movl	%2,%%edi;\
 		movl	%3,%%ebx;\
@@ -73,10 +116,11 @@ N n1,n2,*nr;
 		jnz Lstart_addn;\
 		movl	$0,%%eax;\
 		adcl	%%eax,%%eax;\
-		movl	%%eax,%0"\
+		movl	%%eax,%0;\
+		popl	%%ebx"\
 		:"=m"(c)\
 		:"m"(m1),"m"(m2),"m"(mr),"m"(d2)\
-		:"eax","ebx","ecx","edx","esi","edi");
+		:"eax","ecx","edx","esi","edi");
 #endif
 		for ( i = d2, m1 += d2, mr += d2; (i < d1) && c ; i++ ) {
 			tmp = *m1++ + c;
@@ -90,8 +134,7 @@ N n1,n2,*nr;
 	}
 }
 
-int subn(n1,n2,nr)
-N n1,n2,*nr;
+int subn(N n1,N n2,N *nr)
 {
 	N r;
 	unsigned int *m1,*m2,*mr,br;
@@ -161,6 +204,7 @@ N n1,n2,*nr;
 		}
 #else
 		asm volatile("\
+		pushl	%%ebx;\
 		movl	%1,%%esi;\
 		movl	%2,%%edi;\
 		movl	%3,%%ebx;\
@@ -178,10 +222,11 @@ N n1,n2,*nr;
 		jnz Lstart_subn;\
 		movl	$0,%%eax;\
 		adcl	%%eax,%%eax;\
-		movl	%%eax,%0"\
+		movl	%%eax,%0;\
+		popl	%%ebx"\
 		:"=m"(br)\
 		:"m"(m1),"m"(m2),"m"(mr),"m"(d2)\
-		:"eax","ebx","ecx","edx","esi","edi");
+		:"eax","ecx","edx","esi","edi");
 #endif
 		for ( i = d2, m1 += d2, mr += d2; (i < d1) && br; i++ ) {
 			t = *m1++;
@@ -197,8 +242,7 @@ N n1,n2,*nr;
 	}
 }
 
-void _addn(n1,n2,nr)
-N n1,n2,nr;
+void _addn(N n1,N n2,N nr)
 {
 	unsigned int *m1,*m2,*mr;
 	unsigned int c;
@@ -244,6 +288,7 @@ N n1,n2,nr;
 		}
 #else
 		asm volatile("\
+		pushl	%%ebx;\
 		movl	%1,%%esi;\
 		movl	%2,%%edi;\
 		movl	%3,%%ebx;\
@@ -261,10 +306,11 @@ N n1,n2,nr;
 		jnz Lstart__addn;\
 		movl	$0,%%eax;\
 		adcl	%%eax,%%eax;\
-		movl	%%eax,%0"\
+		movl	%%eax,%0;\
+		popl	%%ebx"\
 		:"=m"(c)\
 		:"m"(m1),"m"(m2),"m"(mr),"m"(d2)\
-		:"eax","ebx","ecx","edx","esi","edi");
+		:"eax","ecx","edx","esi","edi");
 #endif
 		for ( i = d2, m1 += d2, mr += d2; (i < d1) && c ; i++ ) {
 			tmp = *m1++ + c;
@@ -278,8 +324,7 @@ N n1,n2,nr;
 	}
 }
 
-int _subn(n1,n2,nr)
-N n1,n2,nr;
+int _subn(N n1,N n2,N nr)
 {
 	unsigned int *m1,*m2,*mr,br;
 	unsigned int tmp,t;
@@ -348,6 +393,7 @@ N n1,n2,nr;
 		}
 #else
 		asm volatile("\
+		pushl	%%ebx;\
 		movl	%1,%%esi;\
 		movl	%2,%%edi;\
 		movl	%3,%%ebx;\
@@ -365,10 +411,11 @@ N n1,n2,nr;
 		jnz Lstart__subn;\
 		movl	$0,%%eax;\
 		adcl	%%eax,%%eax;\
-		movl	%%eax,%0"\
+		movl	%%eax,%0;\
+		popl	%%ebx"\
 		:"=m"(br)\
 		:"m"(m1),"m"(m2),"m"(mr),"m"(d2)\
-		:"eax","ebx","ecx","edx","esi","edi");
+		:"eax","ecx","edx","esi","edi");
 #endif
 		for ( i = d2, m1 += d2, mr += d2; (i < d1) && br; i++ ) {
 			t = *m1++;
@@ -385,8 +432,7 @@ N n1,n2,nr;
 }
 #else
 
-void addn(n1,n2,nr)
-N n1,n2,*nr;
+void addn(N n1,N n2,N *nr)
 {
 	unsigned int *m1,*m2,*mr,i,c;
 	N r;
@@ -427,8 +473,7 @@ N n1,n2,*nr;
 	}
 }
 
-int subn(n1,n2,nr)
-N n1,n2,*nr;
+int subn(N n1,N n2,N *nr)
 {
 	N r;
 	unsigned int *m1,*m2,*mr,i,br;
@@ -486,8 +531,7 @@ N n1,n2,*nr;
 	}
 }
 
-void _addn(n1,n2,nr)
-N n1,n2,nr;
+void _addn(N n1,N n2,N nr)
 {
 	unsigned int *m1,*m2,*mr,i,c;
 	int d1,d2;
@@ -526,8 +570,7 @@ N n1,n2,nr;
 	}
 }
 
-int _subn(n1,n2,nr)
-N n1,n2,nr;
+int _subn(N n1,N n2,N nr)
 {
 	N r;
 	unsigned int *m1,*m2,*mr,i,br;
@@ -587,11 +630,7 @@ N n1,n2,nr;
 
 /* a2 += a1; n2 >= n1 */
 
-void addarray_to(a1,n1,a2,n2)
-unsigned int *a1;
-int n1;
-unsigned int *a2;
-int n2;
+void addarray_to(unsigned int *a1,int n1,unsigned int *a2,int n2)
 {
 	int i;
 	unsigned int c,tmp;
@@ -616,9 +655,7 @@ int n2;
 		*a2 = c;
 }
 
-void pwrn(n,e,nr)
-N n,*nr;
-int e;
+void pwrn(N n,int e,N *nr)
 {
 	N nw,nw1;
 
@@ -635,33 +672,33 @@ int e;
 	FREEN(nw);
 }
 
+
+
 extern int igcd_algorithm;
 
-void gcdEuclidn();
+void gcdEuclidn(), gcdn_HMEXT();
 
-void gcdn(n1,n2,nr)
-N n1,n2,*nr;
+void lcmn(N n1,N n2,N *nr)
 {
-	N m1,m2,g;
+	N g,t;
 
+	gcdn(n1,n2,&g);
+	divsn(n1,g,&t);
+	muln(t,n2,nr);
+}
+
+void gcdn(N n1,N n2,N *nr)
+{
 	if ( !igcd_algorithm )
 		gcdEuclidn(n1,n2,nr);
 	else {
-		if ( !n1 )
-			*nr = n2;
-		else if ( !n2 )
-			*nr = n1;
-		else {
-			n32ton27(n1,&m1);
-			n32ton27(n2,&m2);
-			gcdBinary_27n(m1,m2,&g);
-			n27ton32(g,nr);
-		}
+		gcdn_HMEXT(n1,n2,nr);
 	}
 }
 
-void gcdEuclidn(n1,n2,nr)
-N n1,n2,*nr;
+#include "Ngcd.c"
+
+void gcdEuclidn(N n1,N n2,N *nr)
 {
 	N m1,m2,q,r;
 	unsigned int i1,i2,ir;
@@ -685,7 +722,8 @@ N n1,n2,*nr;
 				m1 = m2; m2 = r;
 			}
 		}
-		for ( i1 = BD(m1)[0], i2 = BD(m2)[0]; ir = i1 % i2; i1 = i2, i2 = ir );
+		for ( i1 = BD(m1)[0], i2 = BD(m2)[0]; ir = i1 % i2; i2 = ir )
+			i1 = i2;
 		if ( i2 == 1 )
 			COPY(ONEN,*nr);
 		else {
@@ -694,8 +732,7 @@ N n1,n2,*nr;
 	}
 }
 
-int cmpn(n1,n2)
-N n1,n2;
+int cmpn(N n1,N n2)
 {
 	int i;
 	unsigned int *m1,*m2;
@@ -722,10 +759,7 @@ N n1,n2;
 	}
 }
 
-void bshiftn(n,b,r)
-N n;
-int b;
-N *r;
+void bshiftn(N n,int b,N *r)
 {
 	int w,l,nl,i,j;
 	N z;
@@ -793,10 +827,7 @@ N *r;
 }
 
 #if 0
-void _bshiftn(n,b,z)
-N n;
-int b;
-N z;
+void _bshiftn(N n,int b,N z)
 {
 	int w,l,nl,i,j;
 	unsigned int msw;
@@ -863,10 +894,7 @@ N z;
 }
 #endif
 
-void shiftn(n,w,r)
-N n;
-int w;
-N *r;
+void shiftn(N n,int w,N *r)
 {
 	int l,nl;
 	N z;
@@ -890,9 +918,7 @@ N *r;
 	}
 }
 
-void randomn(bits,r)
-int bits;
-N *r;
+void randomn(int bits,N *r)
 {
 	int l,i;
 	unsigned int *tb;
@@ -912,21 +938,23 @@ N *r;
 		PL(t) = i+1;
 }
 
-void freen(n)
-N n;
+void freen(N n)
 {
 	if ( n && (n != ONEN) )
 		free(n);
 }
 
-int n_bits(n)
-N n;
+/* accepts Z */
+int n_bits(N n)
 {
-	unsigned int l,i,t;
+	unsigned int i,t;
+	int l;
 
 	if ( !n )
 		return 0;
-	l = PL(n); t = BD(n)[l-1];
+	l = PL(n);
+	if ( l < 0 ) l = -l;
+	t = BD(n)[l-1];
 	for ( i = 0; t; t>>=1, i++);
 	return i + (l-1)*BSH;
 }