X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=isl_seq.c;h=42e6b63a78f2dcb911913d9a509ec248f812fcc9;hb=63fb8a7f484648c3caa25351c8c94ac2395ec563;hp=73af52dfa3f09bdebac7210345ced3c5029b1d47;hpb=42a2c2b0de3e904ca7e68f7d40040a8602dfa958;p=platform%2Fupstream%2Fisl.git

diff --git a/isl_seq.c b/isl_seq.c
index 73af52d..42e6b63 100644
--- a/isl_seq.c
+++ b/isl_seq.c
@@ -1,4 +1,14 @@
-#include "isl_seq.h"
+/*
+ * Copyright 2008-2009 Katholieke Universiteit Leuven
+ *
+ * Use of this software is governed by the MIT license
+ *
+ * Written by Sven Verdoolaege, K.U.Leuven, Departement
+ * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
+ */
+
+#include <isl_ctx_private.h>
+#include <isl/seq.h>
 
 void isl_seq_clr(isl_int *p, unsigned len)
 {
@@ -7,6 +17,20 @@ void isl_seq_clr(isl_int *p, unsigned len)
 		isl_int_set_si(p[i], 0);
 }
 
+void isl_seq_set_si(isl_int *p, int v, unsigned len)
+{
+	int i;
+	for (i = 0; i < len; ++i)
+		isl_int_set_si(p[i], v);
+}
+
+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;
@@ -28,6 +52,13 @@ void isl_seq_submul(isl_int *dst, isl_int f, isl_int *src, unsigned len)
 		isl_int_submul(dst[i], f, src[i]);
 }
 
+void isl_seq_addmul(isl_int *dst, isl_int f, isl_int *src, unsigned len)
+{
+	int i;
+	for (i = 0; i < len; ++i)
+		isl_int_addmul(dst[i], f, src[i]);
+}
+
 void isl_seq_swp_or_cpy(isl_int *dst, isl_int *src, unsigned len)
 {
 	int i;
@@ -170,6 +201,17 @@ int isl_seq_last_non_zero(isl_int *p, unsigned len)
 	return -1;
 }
 
+void isl_seq_abs_max(isl_int *p, unsigned len, isl_int *max)
+{
+	int i;
+
+	isl_int_set_si(*max, 0);
+
+	for (i = 0; i < len; ++i)
+		if (isl_int_abs_gt(p[i], *max))
+			isl_int_abs(*max, p[i]);
+}
+
 int isl_seq_abs_min_non_zero(isl_int *p, unsigned len)
 {
 	int i, min = isl_seq_first_non_zero(p, len);
@@ -202,17 +244,14 @@ void isl_seq_gcd(isl_int *p, unsigned len, isl_int *gcd)
 	}
 }
 
-void isl_seq_normalize(isl_int *p, unsigned len)
+void isl_seq_normalize(struct isl_ctx *ctx, isl_int *p, unsigned len)
 {
-	isl_int gcd;
-
 	if (len == 0)
 		return;
-	isl_int_init(gcd);
-	isl_seq_gcd(p, len, &gcd);
-	if (!isl_int_is_zero(gcd))
-		isl_seq_scale_down(p, p, gcd, len);
-	isl_int_clear(gcd);
+	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)
@@ -268,3 +307,15 @@ uint32_t isl_seq_get_hash_bits(isl_int *p, unsigned len, unsigned bits)
 	hash = isl_seq_get_hash(p, len);
 	return isl_hash_bits(hash, bits);
 }
+
+void isl_seq_dump(isl_int *p, unsigned len)
+{
+	int i;
+
+	for (i = 0; i < len; ++i) {
+		if (i)
+			fprintf(stderr, " ");
+		isl_int_print(stderr, p[i], 0);
+	}
+	fprintf(stderr, "\n");
+}