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/*
* Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
* that can be found in the license/LICENSE.txt file.
*/
package kotlin.js
fun numberToByte(a: dynamic): Byte = toByte(numberToInt(a))
fun numberToDouble(a: dynamic): Double = js("+a").unsafeCast<Double>()
fun numberToInt(a: dynamic): Int = if (a is Long) a.toInt() else doubleToInt(a)
fun numberToShort(a: dynamic): Short = toShort(numberToInt(a))
// << and >> shifts are used to preserve sign of the number
fun toByte(a: dynamic): Byte = js("a << 24 >> 24").unsafeCast<Byte>()
fun toShort(a: dynamic): Short = js("a << 16 >> 16").unsafeCast<Short>()
fun numberToLong(a: dynamic): Long = if (a is Long) a else fromNumber(a)
fun toLong(a: dynamic): Long = fromInt(a)
fun doubleToInt(a: dynamic) = js("""
if (a > 2147483647) return 2147483647;
if (a < -2147483648) return -2147483648;
return a | 0;
""").unsafeCast<Int>()
fun numberToChar(a: dynamic) = Char(numberToInt(a) and 0xFFFF)
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