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math/big: build Float.Format on top of Float.Append

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Change-Id: I444eec24467f827caa5c88a1c5ae5bce92508b98
Reviewed-on: https://go-review.googlesource.com/3750
Reviewed-by: Alan Donovan <adonovan@google.com>
This commit is contained in:
Robert Griesemer 2015-01-30 15:57:38 -08:00
parent 2e5b065ac2
commit 4c91c0d07b
3 changed files with 39 additions and 38 deletions
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2
src/math/big/float.go
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@ -176,7 +176,7 @@ func (x *Float) validate() {
const msb = 1 << (_W - 1)
m := len(x.mant)
if x.mant[m-1]&msb == 0 {
panic(fmt.Sprintf("msb not set in last word %#x of %s", x.mant[m-1], x.pstring()))
panic(fmt.Sprintf("msb not set in last word %#x of %s", x.mant[m-1], x.Format('p', 0)))
}
if x.prec <= 0 {
panic(fmt.Sprintf("invalid precision %d", x.prec))