summaryrefslogtreecommitdiffstats
path: root/winsup/mingw/mingwex/math/round.c
blob: d2d4cab5e7e3998c16b91d11842a6992c722feb1 (plain)
1
2
3
4
5
6
7
8
#include <math.h>

double
round (double x)
{
  /* Add +/- 0.5 then then round towards zero.  */
  return trunc ( x + (x >= 0.0 ?  0.5 : -0.5));
}