1 files changed, 8 insertions, 11 deletions

diff --git a/math.c b/math.c
index 5096ba6681..09c9c8cf10 100644
--- a/math.c
+++ b/math.c
@@ -100,7 +100,6 @@ Fmath_sqrt(obj, x)
     struct RFloat *x;
 {
     Need_Float(x);
-    return float_new(log10(x->value));
 
     if (x->value < 0.0) Fail("square root for negative number");
     return float_new(sqrt(x->value));
@@ -110,15 +109,13 @@ Init_Math()
 {
     M_Math = rb_define_module("Math");
 
-    rb_define_method(M_Math, "atan2", Fmath_atan2, 2);
-    rb_define_method(M_Math, "cos", Fmath_cos, 1);
-    rb_define_method(M_Math, "sin", Fmath_sin, 1);
-    rb_define_method(M_Math, "tan", Fmath_tan, 1);
-
-    rb_define_method(M_Math, "exp", Fmath_exp, 1);
-    rb_define_method(M_Math, "log", Fmath_log, 1);
-    rb_define_method(M_Math, "log10", Fmath_log10, 1);
-    rb_define_method(M_Math, "sqrt", Fmath_sqrt, 1);
+    rb_define_module_function(M_Math, "atan2", Fmath_atan2, 2);
+    rb_define_module_function(M_Math, "cos", Fmath_cos, 1);
+    rb_define_module_function(M_Math, "sin", Fmath_sin, 1);
+    rb_define_module_function(M_Math, "tan", Fmath_tan, 1);
 
-    rb_include_module(CLASS_OF(M_Math), M_Math);
+    rb_define_module_function(M_Math, "exp", Fmath_exp, 1);
+    rb_define_module_function(M_Math, "log", Fmath_log, 1);
+    rb_define_module_function(M_Math, "log10", Fmath_log10, 1);
+    rb_define_module_function(M_Math, "sqrt", Fmath_sqrt, 1);
 }