diff options
Diffstat (limited to 'src/cmd/compile/internal/big/ftoa.go')
| -rw-r--r-- | src/cmd/compile/internal/big/ftoa.go | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/cmd/compile/internal/big/ftoa.go b/src/cmd/compile/internal/big/ftoa.go index 624ea5e073..57b16e1ad1 100644 --- a/src/cmd/compile/internal/big/ftoa.go +++ b/src/cmd/compile/internal/big/ftoa.go @@ -41,8 +41,11 @@ import ( // x.Prec() mantissa bits. // The prec value is ignored for the 'b' or 'p' format. func (x *Float) Text(format byte, prec int) string { - const extra = 10 // TODO(gri) determine a good/better value here - return string(x.Append(make([]byte, 0, prec+extra), format, prec)) + cap := 10 // TODO(gri) determine a good/better value here + if prec > 0 { + cap += prec + } + return string(x.Append(make([]byte, 0, cap), format, prec)) } // String formats x like x.Text('g', 10). |