common.h in numerix-1.0.1

- old
+ new

@@ -16,9 +16,13 @@
 #define NUM2FLT(value) ((float)rb_num2dbl(value))
 #define NUMERIX_WRAP(klass, ptr) Data_Wrap_Struct(klass, NULL, RUBY_DEFAULT_FREE, ptr)
 
 #define CLASS_NAME(obj) rb_class2name(CLASS_OF(obj))
 
+#ifndef FLT_EPSILON
+#define FLT_EPSILON 1.19209290E-07F
+#endif
+
 #define FLT_EQUAL(a, b) fabsf(a - b) < FLT_EPSILON
 
 #define PRIVATE_CLASS_METHOD(klass, methodName) rb_funcall(klass, rb_intern("private_class_method"), 1, ID2SYM(rb_intern(methodName)))
 
 typedef struct Vector2 {
\ No newline at end of file