mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
b160d23c68
* configure.in (cbrt): check for replacement functions. * missing/cbrt.c: new file. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15416 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
10 lines
132 B
C
10 lines
132 B
C
#include <math.h>
|
|
|
|
double cbrt(double x)
|
|
{
|
|
if (x < 0)
|
|
return -pow(-x, 1/3.0);
|
|
else
|
|
return pow(x, 1/3.0);
|
|
}
|
|
|