isl_tab.c: extract out samples handling from isl_tab_pip.c

[platform/upstream/isl.git] / isl_seq.c

diff --git a/isl_seq.c b/isl_seq.c
index 73af52d..7c9459a 100644 (file)
--- a/isl_seq.c
+++ b/isl_seq.c
@@ -202,17 +202,14 @@ 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)