molstar
Version:
A comprehensive macromolecular library.
85 lines (84 loc) • 2.44 kB
JavaScript
;
/**
* Copyright (c) 2017-2019 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author David Sehnal <david.sehnal@gmail.com>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.IntTuple = void 0;
const util_1 = require("../util");
var IntTuple;
(function (IntTuple) {
IntTuple.Zero = 0;
const { _int32, _float64, _int32_1, _float64_1 } = (function () {
const data = new ArrayBuffer(8);
const data_1 = new ArrayBuffer(8);
return {
_int32: new Int32Array(data),
_float64: new Float64Array(data),
_int32_1: new Int32Array(data_1),
_float64_1: new Float64Array(data_1)
};
}());
function is(x) {
return typeof x === 'number';
}
IntTuple.is = is;
function create(fst, snd) {
_int32[0] = fst;
_int32[1] = snd;
return _float64[0];
}
IntTuple.create = create;
/** snd - fst */
function diff(t) {
_float64[0] = t;
return _int32[1] - _int32[0];
}
IntTuple.diff = diff;
function fst(t) {
_float64[0] = t;
return _int32[0];
}
IntTuple.fst = fst;
function snd(t) {
_float64[0] = t;
return _int32[1];
}
IntTuple.snd = snd;
/** Normal equality does not work, because NaN === NaN ~> false */
function areEqual(a, b) {
_float64[0] = a;
_float64_1[0] = b;
return _int32[0] === _int32_1[0] && _int32[1] === _int32_1[1];
}
IntTuple.areEqual = areEqual;
function compare(a, b) {
_float64[0] = a;
_float64_1[0] = b;
const x = _int32[0] - _int32_1[0];
if (x !== 0)
return x;
return _int32[1] - _int32_1[1];
}
IntTuple.compare = compare;
function compareInArray(xs, i, j) {
_float64[0] = xs[i];
_float64_1[0] = xs[j];
const x = _int32[0] - _int32_1[0];
if (x !== 0)
return x;
return _int32[1] - _int32_1[1];
}
IntTuple.compareInArray = compareInArray;
function hashCode(t) {
_float64[0] = t;
return (0, util_1.hash2)(_int32[0], _int32[1]);
}
IntTuple.hashCode = hashCode;
function toString(t) {
_float64[0] = t;
return `(${_int32[0]}, ${_int32[1]})`;
}
IntTuple.toString = toString;
})(IntTuple || (exports.IntTuple = IntTuple = {}));