25 lines
832 B
Go
25 lines
832 B
Go
// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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package search
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import (
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"math"
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)
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var SQRT_CACHE map[int]float64
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const MAX_SQRT_CACHE = 64
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func init() {
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SQRT_CACHE = make(map[int]float64, MAX_SQRT_CACHE)
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for i := 0; i < MAX_SQRT_CACHE; i++ {
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SQRT_CACHE[i] = math.Sqrt(float64(i))
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}
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}
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