From: Sven Verdoolaege <skimo@kotnet.org>
Date: Fri, 12 Apr 2013 11:52:49 +0000 (+0200)
Subject: add isl_aff_get_denominator_val
X-Git-Tag: isl-0.12~81
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e07ba8f410f6f34714fbaf0f767486412046f046;p=platform%2Fupstream%2Fisl.git

add isl_aff_get_denominator_val

Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
---

diff --git a/doc/user.pod b/doc/user.pod
index 637e9b1..40a5393 100644
--- a/doc/user.pod
+++ b/doc/user.pod
@@ -3632,6 +3632,8 @@ The expression can be inspected using
 		enum isl_dim_type type, int pos);
 	int isl_aff_get_denominator(__isl_keep isl_aff *aff,
 		isl_int *v);
+	__isl_give isl_val *isl_aff_get_denominator_val(
+		__isl_keep isl_aff *aff);
 	__isl_give isl_aff *isl_aff_get_div(
 		__isl_keep isl_aff *aff, int pos);
 
diff --git a/include/isl/aff.h b/include/isl/aff.h
index 1f10e7a..f15ee66 100644
--- a/include/isl/aff.h
+++ b/include/isl/aff.h
@@ -43,6 +43,7 @@ int isl_aff_get_coefficient(__isl_keep isl_aff *aff,
 __isl_give isl_val *isl_aff_get_coefficient_val(__isl_keep isl_aff *aff,
 	enum isl_dim_type type, int pos);
 int isl_aff_get_denominator(__isl_keep isl_aff *aff, isl_int *v);
+__isl_give isl_val *isl_aff_get_denominator_val(__isl_keep isl_aff *aff);
 __isl_give isl_aff *isl_aff_set_constant(__isl_take isl_aff *aff, isl_int v);
 __isl_give isl_aff *isl_aff_set_constant_si(__isl_take isl_aff *aff, int v);
 __isl_give isl_aff *isl_aff_set_constant_val(__isl_take isl_aff *aff,
diff --git a/isl_aff.c b/isl_aff.c
index 8313286..45fa93e 100644
--- a/isl_aff.c
+++ b/isl_aff.c
@@ -409,6 +409,19 @@ int isl_aff_get_denominator(__isl_keep isl_aff *aff, isl_int *v)
 	return 0;
 }
 
+/* Return the common denominator of "aff".
+ */
+__isl_give isl_val *isl_aff_get_denominator_val(__isl_keep isl_aff *aff)
+{
+	isl_ctx *ctx;
+
+	if (!aff)
+		return NULL;
+
+	ctx = isl_aff_get_ctx(aff);
+	return isl_val_int_from_isl_int(ctx, aff->v->el[0]);
+}
+
 int isl_aff_get_constant(__isl_keep isl_aff *aff, isl_int *v)
 {
 	if (!aff)