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utils.go
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/
utils.go
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package handel
import (
"fmt"
"math"
)
func log2(size int) int {
r := math.Log2(float64(size))
return int(math.Ceil(r))
}
func min(x, y int) int {
if x < y {
return x
}
return y
}
func pow2(n int) int {
return int(math.Pow(2, float64(n)))
}
// isSet returns true if the bit is set to 1 at the given index in the binary
// form of nb
func isSet(nb, index uint) bool {
return ((nb >> index) & 1) == 1
}
// PrintLog makes logf print all statements if it is true. If false, no log are
// outputted.
var PrintLog = true
func logf(s string, args ...interface{}) {
if PrintLog {
fmt.Printf(s+"\n", args...)
}
}