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package io.dico.parcels2.util.math
fun Double.floor(): Int {
val down = toInt()
if (down.toDouble() != this && (java.lang.Double.doubleToRawLongBits(this).ushr(63).toInt()) == 1) {
return down - 1
}
return down
}
infix fun Int.umod(divisor: Int): Int {
val out = this % divisor
if (out < 0) {
return out + divisor
}
return out
}
val Int.even: Boolean get() = and(1) == 0
fun IntRange.clamp(min: Int, max: Int): IntRange {
if (first < min) {
if (last > max) {
return IntRange(min, max)
}
return IntRange(min, last)
}
if (last > max) {
return IntRange(first, max)
}
return this
}
// the name coerceAtMost is bad
fun Int.clampMax(max: Int) = coerceAtMost(max)
fun Double.clampMin(min: Double) = coerceAtLeast(min)
fun Double.clampMax(max: Double) = coerceAtMost(max)
// Why does this not exist?
infix fun Int.ceilDiv(divisor: Int): Int {
return -Math.floorDiv(-this, divisor)
}
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