add isl_mat_swap_cols

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

diff --git a/isl_seq.c b/isl_seq.c
index 5d02804..62d8da5 100644 (file)
--- a/isl_seq.c
+++ b/isl_seq.c
@@ -21,6 +21,20 @@ 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;
+       for (i = 0; i < len; ++i)
+               isl_int_swap_or_set(dst[i], src[i]);
+}
+
 void isl_seq_scale(isl_int *dst, isl_int *src, isl_int m, unsigned len)
 {
        int i;
@@ -90,6 +104,16 @@ int isl_seq_eq(isl_int *p1, isl_int *p2, unsigned len)
        return 1;
 }
 
+int isl_seq_cmp(isl_int *p1, isl_int *p2, unsigned len)
+{
+       int i;
+       int cmp;
+       for (i = 0; i < len; ++i)
+               if ((cmp = isl_int_cmp(p1[i], p2[i])) != 0)
+                       return cmp;
+       return 0;
+}
+
 int isl_seq_is_neg(isl_int *p1, isl_int *p2, unsigned len)
 {
        int i;
@@ -147,11 +171,35 @@ void isl_seq_gcd(isl_int *p, unsigned len, isl_int *gcd)
        }
 }
 
-u_int32_t isl_seq_hash(isl_int *p, unsigned len, unsigned bits)
+void isl_seq_lcm(isl_int *p, unsigned len, isl_int *lcm)
 {
        int i;
-       u_int32_t hash = 2166136261u;
 
+       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)
+{
+       int i;
+       if (len == 0) {
+               isl_int_set_si(*prod, 0);
+               return;
+       }
+       isl_int_mul(*prod, p1[0], p2[0]);
+       for (i = 1; i < len; ++i)
+               isl_int_addmul(*prod, p1[i], p2[i]);
+}
+
+uint32_t isl_seq_hash(isl_int *p, unsigned len, uint32_t hash)
+{
+       int i;
        for (i = 0; i < len; ++i) {
                if (isl_int_is_zero(p[i]))
                        continue;
@@ -159,9 +207,20 @@ u_int32_t isl_seq_hash(isl_int *p, unsigned len, unsigned bits)
                hash ^= (i & 0xFF);
                hash = isl_int_hash(p[i], hash);
        }
-       if (bits == 32)
-               return hash;
-       if (bits >= 16)
-               return (hash >> bits) ^ (hash & (((u_int32_t)1 << bits) - 1));
-       return ((hash >> bits) ^ hash) & (((u_int32_t)1 << bits) - 1);
+       return hash;
+}
+
+uint32_t isl_seq_get_hash(isl_int *p, unsigned len)
+{
+       uint32_t hash = isl_hash_init();
+
+       return isl_seq_hash(p, len, hash);
+}
+
+uint32_t isl_seq_get_hash_bits(isl_int *p, unsigned len, unsigned bits)
+{
+       uint32_t hash;
+
+       hash = isl_seq_get_hash(p, len);
+       return isl_hash_bits(hash, bits);
 }