3 files changed, 20 insertions, 51 deletions

diff --git a/mrbgems/mruby-numeric-ext/mrblib/numeric_ext.rb b/mrbgems/mruby-numeric-ext/mrblib/numeric_ext.rb
index f250538fe..576605cb1 100644
--- a/mrbgems/mruby-numeric-ext/mrblib/numeric_ext.rb
+++ b/mrbgems/mruby-numeric-ext/mrblib/numeric_ext.rb
@@ -1,8 +1,4 @@
-module Integral
-  def div(other)
-    self.divmod(other)[0]
-  end
-
+class Numeric
   def zero?
     self == 0
   end
diff --git a/mrbgems/mruby-numeric-ext/src/numeric_ext.c b/mrbgems/mruby-numeric-ext/src/numeric_ext.c
index cd8bbf187..f8aff54bc 100644
--- a/mrbgems/mruby-numeric-ext/src/numeric_ext.c
+++ b/mrbgems/mruby-numeric-ext/src/numeric_ext.c
@@ -1,38 +1,6 @@
 #include <limits.h>
 #include <mruby.h>
-
-static inline mrb_int
-to_int(mrb_state *mrb, mrb_value x)
-{
-  x = mrb_to_int(mrb, x);
-  return mrb_fixnum(x);
-}
-
-/*
- *  Document-method: Integer#chr
- *  call-seq:
- *     int.chr  ->  string
- *
- *  Returns a string containing the character represented by the +int+'s value
- *  according to +encoding+.
- *
- *     65.chr    #=> "A"
- *     230.chr   #=> "\xE6"
- */
-static mrb_value
-mrb_int_chr(mrb_state *mrb, mrb_value x)
-{
-  mrb_int chr;
-  char c;
-
-  chr = to_int(mrb, x);
-  if (chr >= (1 << CHAR_BIT)) {
-    mrb_raisef(mrb, E_RANGE_ERROR, "%S out of char range", x);
-  }
-  c = (char)chr;
-
-  return mrb_str_new(mrb, &c, 1);
-}
+#include <mruby/numeric.h>
 
 /*
  *  call-seq:
@@ -46,7 +14,7 @@ mrb_int_allbits(mrb_state *mrb, mrb_value self)
   mrb_int n, m;
 
   mrb_get_args(mrb, "i", &m);
-  n = to_int(mrb, self);
+  n = mrb_int(mrb, self);
   return mrb_bool_value((n & m) == m);
 }
 
@@ -62,7 +30,7 @@ mrb_int_anybits(mrb_state *mrb, mrb_value self)
   mrb_int n, m;
 
   mrb_get_args(mrb, "i", &m);
-  n = to_int(mrb, self);
+  n = mrb_int(mrb, self);
   return mrb_bool_value((n & m) != 0);
 }
 
@@ -78,7 +46,7 @@ mrb_int_nobits(mrb_state *mrb, mrb_value self)
   mrb_int n, m;
 
   mrb_get_args(mrb, "i", &m);
-  n = to_int(mrb, self);
+  n = mrb_int(mrb, self);
   return mrb_bool_value((n & m) == 0);
 }
 
@@ -87,10 +55,22 @@ mrb_mruby_numeric_ext_gem_init(mrb_state* mrb)
 {
   struct RClass *i = mrb_module_get(mrb, "Integral");
 
-  mrb_define_method(mrb, i, "chr", mrb_int_chr, MRB_ARGS_NONE());
   mrb_define_method(mrb, i, "allbits?", mrb_int_allbits, MRB_ARGS_REQ(1));
   mrb_define_method(mrb, i, "anybits?", mrb_int_anybits, MRB_ARGS_REQ(1));
   mrb_define_method(mrb, i, "nobits?", mrb_int_nobits, MRB_ARGS_REQ(1));
+
+#ifndef MRB_WITHOUT_FLOAT
+  mrb_define_const(mrb, mrb->float_class, "RADIX",        mrb_fixnum_value(MRB_FLT_RADIX));
+  mrb_define_const(mrb, mrb->float_class, "MANT_DIG",     mrb_fixnum_value(MRB_FLT_MANT_DIG));
+  mrb_define_const(mrb, mrb->float_class, "EPSILON",      mrb_float_value(mrb, MRB_FLT_EPSILON));
+  mrb_define_const(mrb, mrb->float_class, "DIG",          mrb_fixnum_value(MRB_FLT_DIG));
+  mrb_define_const(mrb, mrb->float_class, "MIN_EXP",      mrb_fixnum_value(MRB_FLT_MIN_EXP));
+  mrb_define_const(mrb, mrb->float_class, "MIN",          mrb_float_value(mrb, MRB_FLT_MIN));
+  mrb_define_const(mrb, mrb->float_class, "MIN_10_EXP",   mrb_fixnum_value(MRB_FLT_MIN_10_EXP));
+  mrb_define_const(mrb, mrb->float_class, "MAX_EXP",      mrb_fixnum_value(MRB_FLT_MAX_EXP));
+  mrb_define_const(mrb, mrb->float_class, "MAX",          mrb_float_value(mrb, MRB_FLT_MAX));
+  mrb_define_const(mrb, mrb->float_class, "MAX_10_EXP",   mrb_fixnum_value(MRB_FLT_MAX_10_EXP));
+#endif /* MRB_WITHOUT_FLOAT */
 }
 
 void
diff --git a/mrbgems/mruby-numeric-ext/test/numeric.rb b/mrbgems/mruby-numeric-ext/test/numeric.rb
index 6ea0c14e7..efdf25a34 100644
--- a/mrbgems/mruby-numeric-ext/test/numeric.rb
+++ b/mrbgems/mruby-numeric-ext/test/numeric.rb
@@ -1,21 +1,14 @@
 ##
 # Numeric(Ext) Test
 
-assert('Integer#chr') do
-  assert_equal("A", 65.chr)
-  assert_equal("B", 0x42.chr)
-
-  # multibyte encoding (not support yet)
-  assert_raise(RangeError) { 256.chr }
-end
-
 assert('Integer#div') do
   assert_equal 52, 365.div(7)
 end
 
 assert('Float#div') do
+  skip unless Object.const_defined?(:Float)
   assert_float 52, 365.2425.div(7)
-end if class_defined?("Float")
+end
 
 assert('Integer#zero?') do
   assert_equal true, 0.zero?