locutus
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Locutus other languages' standard libraries to JavaScript for fun and educational purposes
34 lines (33 loc) • 1.22 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.bcadd = bcadd;
const _bc_ts_1 = require("../_helpers/_bc.js");
function bcadd(leftOperand, rightOperand, scale) {
// discuss at: https://locutus.io/php/bcadd/
// original by: lmeyrick (https://sourceforge.net/projects/bcmath-js/)
// example 1: bcadd('1', '2')
// returns 1: '3'
// example 2: bcadd('-1', '5', 4)
// returns 2: '4.0000'
// example 3: bcadd('1928372132132819737213', '8728932001983192837219398127471', 2)
// returns 3: '8728932003911564969352217864684.00'
const libbcmath = (0, _bc_ts_1._bc)();
let first;
let second;
let result;
if (typeof scale === 'undefined') {
scale = libbcmath.scale;
}
scale = scale < 0 ? 0 : scale;
// create objects
first = libbcmath.bc_init_num();
second = libbcmath.bc_init_num();
result = libbcmath.bc_init_num();
first = libbcmath.php_str2num(leftOperand.toString());
second = libbcmath.php_str2num(rightOperand.toString());
result = libbcmath.bc_add(first, second, scale);
if (result.n_scale > scale) {
result.n_scale = scale;
}
return result.toString();
}