Stowage/go
2
0
Fork 0
mirror of https://github.com/golang/go.git synced 2025-12-08 06:10:04 +00:00
Code Issues Projects Releases Packages Wiki Activity

move math routines from package sys to package math,

Browse source 
though they still build in src/runtime.

use cgo instead of hand-written wrappers.

R=r
DELTA=740  (289 added, 300 deleted, 151 changed)
OCL=23326
CL=23331
This commit is contained in:
Russ Cox 2009-01-22 16:23:44 -08:00
parent 8c5bc7e93a
commit 1f8a40d85c
28 changed files with 434 additions and 435 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/lib/math/fmod.go
View file

@ -4,6 +4,8 @@
package math
import "math"
/*
* floating-point mod func without infinity or NaN checking
*/
@ -16,7 +18,7 @@ func Fmod(x, y float64) float64 {
y = -y;
}
yfr, yexp := sys.Frexp(y);
yfr, yexp := Frexp(y);
sign := false;
r := x;
if x < 0 {
@ -25,11 +27,11 @@ func Fmod(x, y float64) float64 {
}
for r >= y {
rfr, rexp := sys.Frexp(r);
rfr, rexp := Frexp(r);
if rfr < yfr {
rexp = rexp - 1;
}
r = r - sys.Ldexp(y, rexp-yexp);
r = r - Ldexp(y, rexp-yexp);
}
if sign {
r = -r;