From: Daniel Kochmański <daniel@turtleware.eu>
Date: Tue, 22 Sep 2015 14:16:40 +0000 (+0200)
Subject: random-state: use 32 bit types for 32 bit implementation
X-Git-Url: http://git.pulsar-zone.net/?a=commitdiff_plain;h=a8432f4f9cf546dc365067feb58e13abb75bbdb7;p=ecl.git

random-state: use 32 bit types for 32 bit implementation

Signed-off-by: Daniel Kochmański <daniel@turtleware.eu>
---

diff --git a/src/c/hash.d b/src/c/hash.d
index 10c9ad1..ed76513 100644
--- a/src/c/hash.d
+++ b/src/c/hash.d
@@ -117,8 +117,12 @@ _hash_equal(int depth, cl_hashkey h, cl_object x)
                  * because otherwise two bit arrays which are EQUAL might
                  * have different hash keys. */
                 return hash_string(h, x->vector.self.bc, x->vector.fillp / 8);
-        case t_random:
-                return _hash_equal(0, h, x->random.value);
+        case t_random: {
+                cl_object array = x->random.value;
+                return hash_string
+                        (h, (unsigned char*)array->vector.self.b32,
+                         array->vector.fillp * sizeof(ecl_uint32_t));
+        }
 #ifdef ECL_SIGNED_ZERO
         case t_singlefloat: {
                 float f = ecl_single_float(x);
diff --git a/src/c/num_rand.d b/src/c/num_rand.d
index 588080f..2fde51b 100644
--- a/src/c/num_rand.d
+++ b/src/c/num_rand.d
@@ -43,7 +43,9 @@ n*/
 #define UPPER_MASK 0x80000000UL /* most significant w-r bits */
 #define LOWER_MASK 0x7fffffffUL /* least significant r bits */
 
-#define ulong unsigned long
+/* INV: for 64 bit implementation modify accordingly _hash_equal in
+   hash.d file for case t_random */
+#define ulong ecl_uint32_t
 
 cl_object
 init_genrand(ulong seed)
@@ -52,7 +54,7 @@ init_genrand(ulong seed)
                 ecl_alloc_simple_vector
                 ((MT_N + 1),
                  ecl_symbol_to_elttype(@'ext::byte32'));
-        ulong *mt = (ulong*)(array->base_string.self);
+        ulong *mt = (ulong*)(array->vector.self.b32);
         int j = 0;
         mt[0] = seed & 0xffffffffUL;
         for (j=1; j < MT_N; j++)
@@ -90,7 +92,7 @@ generate_int32(cl_object state)
 {
         static ulong mag01[2]={0x0UL, MATRIX_A};
         ulong y;
-        ulong *mt = (ulong*)state->base_string.self;
+        ulong *mt = (ulong*)state->vector.self.b32;
         if (mt[MT_N] >= MT_N){
                 /* refresh data */
                 int kk;