X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=isl_seq.c;h=36d6b65cda8c6cde20a2434b542314c7ca116fc2;hb=f3c292bf31fbb13ce50a8877ee71910897276a24;hp=3923158e33a956fdfad5ea0201e2e1d952e9dc2e;hpb=ae3696c84beb2f8ac21f122974677499f01608af;p=platform%2Fupstream%2Fisl.git

diff --git a/isl_seq.c b/isl_seq.c
index 3923158..36d6b65 100644
--- a/isl_seq.c
+++ b/isl_seq.c
@@ -1,4 +1,13 @@
-#include "isl_seq.h"
+/*
+ * Copyright 2008-2009 Katholieke Universiteit Leuven
+ *
+ * Use of this software is governed by the GNU LGPLv2.1 license
+ *
+ * Written by Sven Verdoolaege, K.U.Leuven, Departement
+ * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
+ */
+
+#include <isl/seq.h>
 
 void isl_seq_clr(isl_int *p, unsigned len)
 {
@@ -7,6 +16,13 @@ void isl_seq_clr(isl_int *p, unsigned len)
 		isl_int_set_si(p[i], 0);
 }
 
+void isl_seq_set(isl_int *p, isl_int v, unsigned len)
+{
+	int i;
+	for (i = 0; i < len; ++i)
+		isl_int_set(p[i], v);
+}
+
 void isl_seq_neg(isl_int *dst, isl_int *src, unsigned len)
 {
 	int i;
@@ -21,6 +37,13 @@ void isl_seq_cpy(isl_int *dst, isl_int *src, unsigned len)
 		isl_int_set(dst[i], src[i]);
 }
 
+void isl_seq_submul(isl_int *dst, isl_int f, isl_int *src, unsigned len)
+{
+	int i;
+	for (i = 0; i < len; ++i)
+		isl_int_submul(dst[i], f, src[i]);
+}
+
 void isl_seq_swp_or_cpy(isl_int *dst, isl_int *src, unsigned len)
 {
 	int i;
@@ -42,6 +65,27 @@ void isl_seq_scale_down(isl_int *dst, isl_int *src, isl_int m, unsigned len)
 		isl_int_divexact(dst[i], src[i], m);
 }
 
+void isl_seq_cdiv_q(isl_int *dst, isl_int *src, isl_int m, unsigned len)
+{
+	int i;
+	for (i = 0; i < len; ++i)
+		isl_int_cdiv_q(dst[i], src[i], m);
+}
+
+void isl_seq_fdiv_q(isl_int *dst, isl_int *src, isl_int m, unsigned len)
+{
+	int i;
+	for (i = 0; i < len; ++i)
+		isl_int_fdiv_q(dst[i], src[i], m);
+}
+
+void isl_seq_fdiv_r(isl_int *dst, isl_int *src, isl_int m, unsigned len)
+{
+	int i;
+	for (i = 0; i < len; ++i)
+		isl_int_fdiv_r(dst[i], src[i], m);
+}
+
 void isl_seq_combine(isl_int *dst, isl_int m1, isl_int *src1,
 			isl_int m2, isl_int *src2, unsigned len)
 {
@@ -132,6 +176,16 @@ int isl_seq_first_non_zero(isl_int *p, unsigned len)
 	return -1;
 }
 
+int isl_seq_last_non_zero(isl_int *p, unsigned len)
+{
+	int i;
+
+	for (i = len - 1; i >= 0; --i)
+		if (!isl_int_is_zero(p[i]))
+			return i;
+	return -1;
+}
+
 int isl_seq_abs_min_non_zero(isl_int *p, unsigned len)
 {
 	int i, min = isl_seq_first_non_zero(p, len);
@@ -164,6 +218,29 @@ void isl_seq_gcd(isl_int *p, unsigned len, isl_int *gcd)
 	}
 }
 
+void isl_seq_normalize(struct isl_ctx *ctx, isl_int *p, unsigned len)
+{
+	if (len == 0)
+		return;
+	isl_seq_gcd(p, len, &ctx->normalize_gcd);
+	if (!isl_int_is_zero(ctx->normalize_gcd) &&
+	    !isl_int_is_one(ctx->normalize_gcd))
+		isl_seq_scale_down(p, p, ctx->normalize_gcd, len);
+}
+
+void isl_seq_lcm(isl_int *p, unsigned len, isl_int *lcm)
+{
+	int i;
+
+	if (len == 0) {
+		isl_int_set_si(*lcm, 1);
+		return;
+	}
+	isl_int_set(*lcm, p[0]);
+	for (i = 1; i < len; ++i)
+		isl_int_lcm(*lcm, *lcm, p[i]);
+}
+
 void isl_seq_inner_product(isl_int *p1, isl_int *p2, unsigned len,
 			   isl_int *prod)
 {