bleve/search/scorers/sqrt_cache.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 scorers

import (
	"math"
)

var SqrtCache map[int]float64

const MaxSqrtCache = 64

func init() {
	SqrtCache = make(map[int]float64, MaxSqrtCache)
	for i := 0; i < MaxSqrtCache; i++ {
		SqrtCache[i] = math.Sqrt(float64(i))
	}
}