Switch from Godep to go vendoring

vendor/github.com/blevesearch/bleve/numeric_util/float.go

@@ -0,0 +1,29 @@
+//  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))
+}