"use strict";
|
Object.defineProperty(exports, "__esModule", { value: true });
|
/**
|
* Ponyfill for Java's Integer class.
|
*/
|
var Integer = /** @class */ (function () {
|
function Integer() {
|
}
|
Integer.numberOfTrailingZeros = function (i) {
|
var y;
|
if (i === 0)
|
return 32;
|
var n = 31;
|
y = i << 16;
|
if (y !== 0) {
|
n -= 16;
|
i = y;
|
}
|
y = i << 8;
|
if (y !== 0) {
|
n -= 8;
|
i = y;
|
}
|
y = i << 4;
|
if (y !== 0) {
|
n -= 4;
|
i = y;
|
}
|
y = i << 2;
|
if (y !== 0) {
|
n -= 2;
|
i = y;
|
}
|
return n - ((i << 1) >>> 31);
|
};
|
Integer.numberOfLeadingZeros = function (i) {
|
// HD, Figure 5-6
|
if (i === 0) {
|
return 32;
|
}
|
var n = 1;
|
if (i >>> 16 === 0) {
|
n += 16;
|
i <<= 16;
|
}
|
if (i >>> 24 === 0) {
|
n += 8;
|
i <<= 8;
|
}
|
if (i >>> 28 === 0) {
|
n += 4;
|
i <<= 4;
|
}
|
if (i >>> 30 === 0) {
|
n += 2;
|
i <<= 2;
|
}
|
n -= i >>> 31;
|
return n;
|
};
|
Integer.toHexString = function (i) {
|
return i.toString(16);
|
};
|
Integer.toBinaryString = function (intNumber) {
|
return String(parseInt(String(intNumber), 2));
|
};
|
// Returns the number of one-bits in the two's complement binary representation of the specified int value. This function is sometimes referred to as the population count.
|
// Returns:
|
// the number of one-bits in the two's complement binary representation of the specified int value.
|
Integer.bitCount = function (i) {
|
// HD, Figure 5-2
|
i = i - ((i >>> 1) & 0x55555555);
|
i = (i & 0x33333333) + ((i >>> 2) & 0x33333333);
|
i = (i + (i >>> 4)) & 0x0f0f0f0f;
|
i = i + (i >>> 8);
|
i = i + (i >>> 16);
|
return i & 0x3f;
|
};
|
Integer.truncDivision = function (dividend, divisor) {
|
return Math.trunc(dividend / divisor);
|
};
|
/**
|
* Converts A string to an integer.
|
* @param s A string to convert into a number.
|
* @param radix A value between 2 and 36 that specifies the base of the number in numString. If this argument is not supplied, strings with a prefix of '0x' are considered hexadecimal. All other strings are considered decimal.
|
*/
|
Integer.parseInt = function (num, radix) {
|
if (radix === void 0) { radix = undefined; }
|
return parseInt(num, radix);
|
};
|
Integer.MIN_VALUE_32_BITS = -2147483648;
|
Integer.MAX_VALUE = Number.MAX_SAFE_INTEGER;
|
return Integer;
|
}());
|
exports.default = Integer;
|