newlib-cygwin/winsup/mingw/mingwex/math/roundf.c

9 lines
149 B
C

#include <math.h>
float
roundf (float x)
{
/* Add +/- 0.5 then then round towards zero. */
return truncf ( x + (x >= 0.0F ? 0.5F : -0.5F));
}