isl_map_subtract.c: remove unused variables

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

diff --git a/isl_map_subtract.c b/isl_map_subtract.c
index 1cdd68e..0510657 100644 (file)
--- a/isl_map_subtract.c
+++ b/isl_map_subtract.c
@@ -625,7 +625,7 @@ int isl_map_plain_is_singleton(__isl_keep isl_map *map)
 static __isl_give isl_point *singleton_extract_point(
        __isl_keep isl_basic_map *bmap)
 {
-       int i, j;
+       int j;
        unsigned dim;
        struct isl_vec *point;
        isl_int m;
@@ -643,7 +643,6 @@ static __isl_give isl_point *singleton_extract_point(
 
        isl_int_set_si(point->el[0], 1);
        for (j = 0; j < bmap->n_eq; ++j) {
-               int s;
                int i = dim - 1 - j;
                isl_assert(bmap->ctx,
                    isl_seq_first_non_zero(bmap->eq[j] + 1, i) == -1,
@@ -706,7 +705,6 @@ static int map_is_singleton_subset(__isl_keep isl_map *map1,
 int isl_map_is_subset(struct isl_map *map1, struct isl_map *map2)
 {
        int is_subset = 0;
-       struct isl_map *diff;
 
        if (!map1 || !map2)
                return -1;