Revision: 3672 http://trac.macosforge.org/projects/ruby/changeset/3672 Author: lsansonetti@apple.com Date: 2010-03-02 17:37:52 -0800 (Tue, 02 Mar 2010) Log Message: ----------- added #to_f Modified Paths: -------------- MacRuby/branches/icu/string.c Modified: MacRuby/branches/icu/string.c =================================================================== --- MacRuby/branches/icu/string.c 2010-03-03 01:35:59 UTC (rev 3671) +++ MacRuby/branches/icu/string.c 2010-03-03 01:37:52 UTC (rev 3672) @@ -2613,6 +2613,26 @@ /* * call-seq: + * str.to_f => float + * + * Returns the result of interpreting leading characters in <i>str</i> as a + * floating point number. Extraneous characters past the end of a valid number + * are ignored. If there is not a valid number at the start of <i>str</i>, + * <code>0.0</code> is returned. This method never raises an exception. + * + * "123.45e1".to_f #=> 1234.5 + * "45.67 degrees".to_f #=> 45.67 + * "thx1138".to_f #=> 0.0 + */ + +static VALUE +rstr_to_f(VALUE str, SEL sel) +{ + return DOUBLE2NUM(rb_str_to_dbl(str, Qfalse)); +} + +/* + * call-seq: * str.chomp!(separator=$/) => str or nil * * Modifies <i>str</i> in place as described for <code>String#chomp</code>, @@ -3937,6 +3957,7 @@ rb_objc_define_method(rb_cRubyString, "hex", rstr_hex, 0); rb_objc_define_method(rb_cRubyString, "oct", rstr_oct, 0); rb_objc_define_method(rb_cRubyString, "ord", rstr_ord, 0); + rb_objc_define_method(rb_cRubyString, "to_f", rstr_to_f, 0); rb_objc_define_method(rb_cRubyString, "chomp", rstr_chomp, -1); rb_objc_define_method(rb_cRubyString, "chomp!", rstr_chomp_bang, -1); rb_objc_define_method(rb_cRubyString, "sub", rstr_sub, -1);