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fix ldexp, frexp, and make math package compile and test correctly

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SVN=126423
This commit is contained in:
Rob Pike 2008-07-08 17:26:10 -07:00
parent 4528854308
commit 41b9617be4
9 changed files with 213 additions and 214 deletions
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6
src/lib/math/fmod.go
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@ -24,7 +24,7 @@ fmod(x, y double) double
y = -y;
}
yexp,yfr = sys.frexp(y);
yfr,yexp = sys.frexp(y);
sign = false;
if x < 0 {
r = -x;
@ -34,11 +34,11 @@ fmod(x, y double) double
}
for r >= y {
rexp,rfr = sys.frexp(r);
rfr,rexp = sys.frexp(r);
if rfr < yfr {
rexp = rexp - 1;
}
r = r - sys.ldexp(rexp-yexp, y);
r = r - sys.ldexp(y, rexp-yexp);
}
if sign {
r = -r;