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| author | Eoghan Sherry <ejsherry@gmail.com> | 2010-12-15 13:20:52 -0500 |
|---|---|---|
| committer | Eoghan Sherry <ejsherry@gmail.com> | 2010-12-15 13:20:52 -0500 |
| commit | da50596fd84dda255cc9a486921d5c94fa947393 (patch) | |
| tree | c4fe3cd38b4a90e0e0af072fc084a16606633978 /src/pkg/math/frexp.go | |
| parent | 48778d08a220c2a93a81ca7e527650d899dab105 (diff) | |
| download | go-da50596fd84dda255cc9a486921d5c94fa947393.tar.gz | |
math: change float64 bias constant from 1022 to 1023
This makes some subtle code easier to understand.
R=rsc
CC=golang-dev
http://codereview.appspot.com/3444043
Committer: Russ Cox <rsc@golang.org>
Diffstat (limited to 'src/pkg/math/frexp.go')
| -rw-r--r-- | src/pkg/math/frexp.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/pkg/math/frexp.go b/src/pkg/math/frexp.go index b63b508e6..203219c0d 100644 --- a/src/pkg/math/frexp.go +++ b/src/pkg/math/frexp.go @@ -19,9 +19,9 @@ func Frexp(f float64) (frac float64, exp int) { return f, 0 } x := Float64bits(f) - exp = int((x>>shift)&mask) - bias + exp = int((x>>shift)&mask) - bias + 1 x &^= mask << shift - x |= bias << shift + x |= (-1 + bias) << shift frac = Float64frombits(x) return } |