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gofmt-ify math, expvar, exp/spacewar

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R=rsc
http://go/go-review/1018061
This commit is contained in:
Robert Griesemer 2009-11-05 09:08:08 -08:00
parent e57acdca4d
commit 3630bfbe9f
6 changed files with 103 additions and 106 deletions
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21
src/pkg/math/bits.go
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@ -5,12 +5,12 @@
package math
const (
uvnan = 0x7FF0000000000001;
uvinf = 0x7FF0000000000000;
uvneginf = 0xFFF0000000000000;
mask = 0x7FF;
shift = 64 - 11 - 1;
bias = 1022;
uvnan = 0x7FF0000000000001;
uvinf = 0x7FF0000000000000;
uvneginf = 0xFFF0000000000000;
mask = 0x7FF;
shift = 64-11-1;
bias = 1022;
)
// Inf returns positive infinity if sign >= 0, negative infinity if sign < 0.
@ -32,7 +32,7 @@ func NaN() float64 {
// IsNaN returns whether f is an IEEE 754 ``not-a-number'' value.
func IsNaN(f float64) (is bool) {
x := Float64bits(f);
return uint32(x>>shift) & mask == mask && x != uvinf && x != uvneginf;
return uint32(x>>shift)&mask == mask && x != uvinf && x != uvneginf;
}
// IsInf returns whether f is an infinity, according to sign.
@ -53,7 +53,7 @@ func Frexp(f float64) (frac float64, exp int) {
return;
}
x := Float64bits(f);
exp = int((x>>shift)&mask) - bias;
exp = int((x>>shift)&mask)-bias;
x &^= mask<<shift;
x |= bias<<shift;
frac = Float64frombits(x);
@ -64,7 +64,7 @@ func Frexp(f float64) (frac float64, exp int) {
// It returns frac × 2<sup>exp</sup>.
func Ldexp(frac float64, exp int) float64 {
x := Float64bits(frac);
exp += int(x>>shift) & mask;
exp += int(x>>shift)&mask;
if exp <= 0 {
return 0; // underflow
}
@ -99,7 +99,6 @@ func Modf(f float64) (int float64, frac float64) {
x &^= 1<<(64-11-e) - 1;
}
int = Float64frombits(x);
frac = f - int;
frac = f-int;
return;
}