* numeric.c: Fix doc for #remainder [ruby-core:18796]

* ext/bigdecimal/bigdecimal.c: ditto

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@25021 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/bigdecimal/bigdecimal.c

@@ -1069,10 +1069,7 @@ BigDecimal_divremain(VALUE self, VALUE r, Real **dv, Real **rv)
 
 /* Returns the remainder from dividing by the value.
  *
- * If the values divided are of the same sign, the remainder is the same as
- * the modulus (see divmod).
- *
- * Otherwise, the remainder is the modulus minus the value divided by.
+ * <code>x.remainder(y)</code> means <code>x-y*(x/y).truncate.</code>
  */
 static VALUE
 BigDecimal_remainder(VALUE self, VALUE r) /* remainder */

numeric.c

@@ -366,11 +366,9 @@ num_modulo(x, y)
  *  call-seq:
  *     num.remainder(numeric)    => result
  *
- *  If <i>num</i> and <i>numeric</i> have different signs, returns
- *  <em>mod</em>-<i>numeric</i>; otherwise, returns <em>mod</em>. In
- *  both cases <em>mod</em> is the value
- *  <i>num</i>.<code>modulo(</code><i>numeric</i><code>)</code>. The
- *  differences between <code>remainder</code> and modulo
+ *  <code>x.remainder(y)</code> means <code>x-y*(x/y).truncate.</code>
+ *
+ *  The differences between <code>remainder</code> and modulo
  *  (<code>%</code>) are shown in the table under <code>Numeric#divmod</code>.
  */