Merge pull request #117 from bashtage/remove-aliasing

bashtage · web-flow · commit b544c3821b91 · 2017-10-13T11:49:43.000+01:00
CLN: Remove aliasing
diff --git a/randomstate/interface/dSFMT/dSFMT-shim.h b/randomstate/interface/dSFMT/dSFMT-shim.h
@@ -67,8 +67,11 @@ static NPY_INLINE double random_double(aug_state *state) {
 }
 
 static NPY_INLINE uint64_t random_raw_values(aug_state *state) {
+  uint64_t out;
   double d = random_double_from_buffer(state);
-  return *((uint64_t *)&d);
+
+  memcpy(&out, &d, sizeof(d));
+  return out;
 }
 
 extern void entropy_init(aug_state *state);

Original file line number	Diff line number	Diff line change
`@@ -67,8 +67,11 @@ static NPY_INLINE double random_double(aug_state *state) {`
`67`	`67`	`}`
`68`	`68`
`69`	`69`	`static NPY_INLINE uint64_t random_raw_values(aug_state *state) {`
	`70`	`+ uint64_t out;`
`70`	`71`	`double d = random_double_from_buffer(state);`
`71`		`- return ((uint64_t )&d);`
	`72`	`+`
	`73`	`+ memcpy(&out, &d, sizeof(d));`
	`74`	`+ return out;`
`72`	`75`	`}`
`73`	`76`
`74`	`77`	`extern void entropy_init(aug_state *state);`