* math.c (math_log, math_log10): should return NaN if x < 0.0

on Cygwin.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@1236 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Mar  7 14:26:11 2001  WATANABE Hirofumi  <eban@ruby-lang.org>
+
+	* math.c (math_log, math_log10): should return NaN if x < 0.0
+	  on Cygwin.
+
 Tue Mar  6 10:50:29 2001  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* parse.y (primary): rescue and ensure clauses should be allowed

math.c

@@ -64,6 +64,11 @@ math_exp(obj, x)
     return rb_float_new(exp(RFLOAT(x)->value));
 }
 
+#if defined __CYGWIN__
+#define log(x) ((x) < 0.0 ? 0.0 / 0.0 : log(x))
+#define log10(x) ((x) < 0.0 ? 0.0 / 0.0 : log10(x))
+#endif
+
 static VALUE
 math_log(obj, x)
     VALUE obj, x;

version.h

@@ -1,4 +1,4 @@
 #define RUBY_VERSION "1.7.0"
-#define RUBY_RELEASE_DATE "2001-03-06"
+#define RUBY_RELEASE_DATE "2001-03-07"
 #define RUBY_VERSION_CODE 170
-#define RUBY_RELEASE_CODE 20010306
+#define RUBY_RELEASE_CODE 20010307