1package sub
2
3import (
4 //#cgo LDFLAGS: -lm
5 //#include <math.h>
6 "C"
7)
8
9// Floor calculates floor of the given number
10// with the implementation in the standard C library.
11func Floor(f float64) float64 {
12 return float64(C.floor(C.double(f)))
13}
14