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update rdoc.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23352 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2009-05-06 09:30:04 +00:00
parent c36aeb5360
commit 91892b820e

22
math.c
View file

@ -308,6 +308,11 @@ math_atanh(VALUE obj, VALUE x)
* Math.exp(x) => float * Math.exp(x) => float
* *
* Returns e**x. * Returns e**x.
*
* Math.exp(0) #=> 1.0
* Math.exp(1) #=> 2.718281828459045
* Math.exp(1.5) #=> 4.4816890703380645
*
*/ */
static VALUE static VALUE
@ -334,6 +339,12 @@ math_exp(VALUE obj, VALUE x)
* Returns the natural logarithm of <i>numeric</i>. * Returns the natural logarithm of <i>numeric</i>.
* If additional second argument is given, it will be the base * If additional second argument is given, it will be the base
* of logarithm. * of logarithm.
*
* Math.log(1) #=> 0.0
* Math.log(Math::E) #=> 1.0
* Math.log(Math::E**3) #=> 3.0
* Math.log(12,3) #=> 2.2618595071429146
*
*/ */
static VALUE static VALUE
@ -373,6 +384,12 @@ extern double log2(double);
* Math.log2(numeric) => float * Math.log2(numeric) => float
* *
* Returns the base 2 logarithm of <i>numeric</i>. * Returns the base 2 logarithm of <i>numeric</i>.
*
* Math.log2(1) #=> 0.0
* Math.log2(2) #=> 1.0
* Math.log2(32768) #=> 15.0
* Math.log2(65536) #=> 16.0
*
*/ */
static VALUE static VALUE
@ -394,6 +411,11 @@ math_log2(VALUE obj, VALUE x)
* Math.log10(numeric) => float * Math.log10(numeric) => float
* *
* Returns the base 10 logarithm of <i>numeric</i>. * Returns the base 10 logarithm of <i>numeric</i>.
*
* Math.log10(1) #=> 0.0
* Math.log10(10) #=> 1.0
* Math.log10(10**100) #=> 100.0
*
*/ */
static VALUE static VALUE