dispatch/vendor/github.com/blevesearch/bleve/numeric_util/float.go
2016-03-01 01:51:26 +01:00

30 lines
906 B
Go

// Copyright (c) 2014 Couchbase, Inc.
// 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 numeric_util
import (
"math"
)
func Float64ToInt64(f float64) int64 {
fasint := int64(math.Float64bits(f))
if fasint < 0 {
fasint = fasint ^ 0x7fffffffffffffff
}
return fasint
}
func Int64ToFloat64(i int64) float64 {
if i < 0 {
i ^= 0x7fffffffffffffff
}
return math.Float64frombits(uint64(i))
}