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math.go
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/
math.go
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// Copyright 2023 LiveKit, 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 utils
import "sort"
// MedianFloat32 gets median value for an array of float32
func MedianFloat32(input []float32) float32 {
num := len(input)
if num == 0 {
return 0
} else if num == 1 {
return input[0]
}
sort.Slice(input, func(i, j int) bool {
return input[i] < input[j]
})
if num%2 != 0 {
return input[num/2]
}
left := input[num/2-1]
right := input[num/2]
return (left + right) / 2
}