/
fmt.go
41 lines (34 loc) · 1.07 KB
/
fmt.go
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// Copyright 2017-21 the original author or authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pbf
import "strconv"
// ftoa converts a float to a string with no trailing zeros.
// Snagged from github.com/dustin/go-humanize to minimize library dependencies.
func ftoa(num float64) string {
return stripTrailingZeros(strconv.FormatFloat(num, 'f', 6, 64))
}
func stripTrailingZeros(s string) string {
offset := len(s) - 1
for offset > 0 {
if s[offset] == '.' {
offset--
break
}
if s[offset] != '0' {
break
}
offset--
}
return s[:offset+1]
}