bug fix sfmt_to_res53, and add .gitattributes

MSaito · MSaito · commit 21acdc146af8 · 2017-02-07T13:52:22.000+09:00
diff --git a/.gitattributes b/.gitattributes
@@ -0,0 +1 @@
+html/* linguist-documentation
diff --git a/CHANGE-LOG.txt b/CHANGE-LOG.txt
@@ -1,3 +1,7 @@
+ver 1.5
+-------
+bug fix to_res53 reported by Akio Takahashi.
+
 ver 1.4.1
 -------
 fix MSC compile error reported by Dirk Steenpass.
diff --git a/Makefile.me b/Makefile.me
@@ -39,7 +39,7 @@ FILES = SFMT.h \
 	README.txt \
 	html
 
-VERSION = 1.4.1.1
+VERSION = 1.5
 DIR = SFMT-src-${VERSION}
 
 doc:
diff --git a/README.txt b/README.txt
@@ -1,5 +1,5 @@
  =================================================================
- SFMT ver. 1.4
+ SFMT ver. 1.5
  SIMD oriented Fast Mersenne Twister(SFMT)
 
  Mutsuo Saito (Hiroshima University) and
diff --git a/SFMT-src-1.5.tar.gz b/SFMT-src-1.5.tar.gz
diff --git a/SFMT-src-1.5.zip b/SFMT-src-1.5.zip
diff --git a/SFMT.h b/SFMT.h
@@ -256,7 +256,7 @@ inline static double sfmt_genrand_real3(sfmt_t * sfmt)
  */
 inline static double sfmt_to_res53(uint64_t v)
 {
-    return v * (1.0/18446744073709551616.0);
+    return (v >> 11) * (1.0/9007199254740992.0);
 }
 
 /**

Original file line number	Diff line number	Diff line change
`@@ -256,7 +256,7 @@ inline static double sfmt_genrand_real3(sfmt_t * sfmt)`
`256`	`256`	`*/`
`257`	`257`	`inline static double sfmt_to_res53(uint64_t v)`
`258`	`258`	`{`
`259`		`- return v * (1.0/18446744073709551616.0);`
	`259`	`+ return (v >> 11) * (1.0/9007199254740992.0);`
`260`	`260`	`}`
`261`	`261`
`262`	`262`	`/**`