mirror of https://bitbucket.org/ausocean/av.git
55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
/*
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DESCRIPTION
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utils.go provides helper functions for functionality found in both gvctrl.go
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request.go.
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AUTHORS
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Saxon A. Nelson-Milton <saxon@ausocean.org>
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LICENSE
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Copyright (C) 2019 the Australian Ocean Lab (AusOcean)
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It is free software: you can redistribute it and/or modify them
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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in gpl.txt. If not, see http://www.gnu.org/licenses.
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*/
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package gvctrl
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import (
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"crypto/md5"
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"encoding/hex"
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"math"
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"strconv"
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"strings"
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)
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func md5Hex(s string) string {
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h := md5.New()
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h.Write([]byte(s))
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return strings.ToUpper(hex.EncodeToString(h.Sum(nil)))
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}
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func closestValIdx(v int, l []int) int {
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var idx int
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for i := range l {
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if math.Abs(float64(l[i]-v)) < math.Abs(float64(l[idx]-v)) {
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idx = i
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}
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}
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return idx
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}
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func closestValStr(v int, l []int) string {
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return strconv.Itoa(l[closestValIdx(v, l)] * 1000)
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}
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