diff options
Diffstat (limited to 'node_modules/locutus/php/bc/bcsub.js')
-rw-r--r-- | node_modules/locutus/php/bc/bcsub.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/node_modules/locutus/php/bc/bcsub.js b/node_modules/locutus/php/bc/bcsub.js new file mode 100644 index 0000000..c4c1f50 --- /dev/null +++ b/node_modules/locutus/php/bc/bcsub.js @@ -0,0 +1,39 @@ +'use strict'; + +module.exports = function bcsub(leftOperand, rightOperand, scale) { + // discuss at: http://locutus.io/php/bcsub/ + // original by: lmeyrick (https://sourceforge.net/projects/bcmath-js/) + // example 1: bcsub('1', '2') + // returns 1: '-1' + // example 2: bcsub('-1', '5', 4) + // returns 2: '-6.0000' + // example 3: bcsub('8728932001983192837219398127471', '1928372132132819737213', 2) + // returns 3: '8728932000054820705086578390258.00' + + var _bc = require('../_helpers/_bc'); + var libbcmath = _bc(); + + var first, second, 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_sub(first, second, scale); + + if (result.n_scale > scale) { + result.n_scale = scale; + } + + return result.toString(); +}; +//# sourceMappingURL=bcsub.js.map
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