diff options
Diffstat (limited to 'object.c')
-rw-r--r-- | object.c | 15 |
1 files changed, 15 insertions, 0 deletions
@@ -2267,6 +2267,21 @@ rb_f_float(VALUE obj, VALUE arg) return rb_Float(arg); } +VALUE +rb_to_float(VALUE val) +{ + VALUE v; + + if (TYPE(val) == T_FLOAT) return val; + v = convert_type(val, "Float", "to_f", Qtrue); + if (TYPE(v) != T_FLOAT) { + const char *cname = rb_obj_classname(val); + rb_raise(rb_eTypeError, "can't convert %s to Float (%s#to_f gives %s)", + cname, cname, rb_obj_classname(v)); + } + return v; +} + double rb_num2dbl(VALUE val) { |