27 lines
477 B
C
27 lines
477 B
C
|
/**
|
||
|
* This file has no copyright assigned and is placed in the Public Domain.
|
||
|
* This file is part of the mingw-w64 runtime package.
|
||
|
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
|
||
|
*/
|
||
|
#include <math.h>
|
||
|
|
||
|
double
|
||
|
round (double x)
|
||
|
{
|
||
|
double res;
|
||
|
if (x >= 0.0)
|
||
|
{
|
||
|
res = ceil (x);
|
||
|
if (res - x > 0.5)
|
||
|
res -= 1.0;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
res = ceil (-x);
|
||
|
if (res + x > 0.5)
|
||
|
res -= 1.0;
|
||
|
res = -res;
|
||
|
}
|
||
|
return res;
|
||
|
}
|