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57 lines
721 B
Go
57 lines
721 B
Go
package main
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import (
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"math"
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"strings"
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"unsafe"
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)
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func maxInt(a, b int) int {
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if a > b {
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return a
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}
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return b
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}
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func minInt(a, b int) int {
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if a < b {
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return a
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}
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return b
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}
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func minNonZeroInt(a, b int) int {
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switch {
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case a == 0:
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return b
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case b == 0:
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return a
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}
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return minInt(a, b)
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}
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func roundToInt(a float64) int {
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return int(math.Round(a))
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}
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func scaleInt(a int, scale float64) int {
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if a == 0 {
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return 0
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}
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return roundToInt(float64(a) * scale)
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}
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func trimAfter(s string, sep byte) string {
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i := strings.IndexByte(s, sep)
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if i < 0 {
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return s
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}
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return s[:i]
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}
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func ptrToBytes(ptr unsafe.Pointer, size int) []byte {
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return (*[math.MaxInt32]byte)(ptr)[:int(size):int(size)]
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}
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