diff options
author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-06-18 07:47:15 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 1998-06-18 07:47:15 +0000 |
commit | 992923053cfb51dc04c6a7ee07ca6fff1b61d1a5 (patch) | |
tree | 2b2857adc35295dcd45c57c338c440ec16f99eff /numeric.c | |
parent | 16487ee284f17cfbf6fad9f6b2fedc57f0f37e0a (diff) |
1.1b9_26
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/v1_1r@244 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 49 |
1 files changed, 49 insertions, 0 deletions
@@ -574,6 +574,51 @@ flo_to_i(num) } static VALUE +flo_floor(num) + VALUE num; +{ + double f = floor(RFLOAT(num)->value); + long val; + + if (!FIXABLE(f)) { + return dbl2big(f); + } + val = f; + return INT2FIX(val); +} + +static VALUE +flo_ceil(num) + VALUE num; +{ + double f = ceil(RFLOAT(num)->value); + long val; + + if (!FIXABLE(f)) { + return dbl2big(f); + } + val = f; + return INT2FIX(val); +} + +static VALUE +flo_round(num) + VALUE num; +{ + double f = RFLOAT(num)->value; + long val; + + if (f > 0.0) f = floor(f+0.5); + if (f < 0.0) f = ceil(f-0.5); + + if (!FIXABLE(f)) { + return dbl2big(f); + } + val = f; + return INT2FIX(val); +} + +static VALUE flo_to_f(num) VALUE num; { @@ -1410,4 +1455,8 @@ Init_Numeric() rb_define_method(cFloat, "to_f", flo_to_f, 0); rb_define_method(cFloat, "abs", flo_abs, 0); rb_define_method(cFloat, "zero?", flo_zero_p, 0); + + rb_define_method(cFloat, "floor", flo_floor, 0); + rb_define_method(cFloat, "ceil", flo_ceil, 0); + rb_define_method(cFloat, "round", flo_round, 0); } |