Fix ranlux RNG int64 out of range

inducer · May 11, 2016 · 52c8c83 · 52c8c83
1 parent 2a6a1fe
commit 52c8c83
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/pyopencl/clrandom.py b/pyopencl/clrandom.py
@@ -244,8 +244,8 @@ def get_gen_kernel(self, dtype, distribution="uniform"):
             c_type = "long"
             rng_expr = ("(shift "
                     "+ convert_long4((float) scale * gen) "
-                    "+ convert_long4(((float) scale / (1<<24)) * gen)"
-                    "+ convert_long4(((float) scale / (1<<48)) * gen)"
+                    "+ convert_long4(((float) scale / (1l<<24)) * gen)"
+                    "+ convert_long4(((float) scale / (1l<<48)) * gen)"
                     ")")
 
         else: