diff options
Diffstat (limited to 'addons/web/static/src/js/core')
| -rw-r--r-- | addons/web/static/src/js/core/utils.js | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/addons/web/static/src/js/core/utils.js b/addons/web/static/src/js/core/utils.js index 699a912ccc3..93e9bda5593 100644 --- a/addons/web/static/src/js/core/utils.js +++ b/addons/web/static/src/js/core/utils.js @@ -571,7 +571,15 @@ var utils = { * @param {Number} decimals the number of decimals. eg: round_decimals(3.141592,2) -> 3.14 */ round_decimals: function (value, decimals) { - return utils.round_precision(value, Math.pow(10,-decimals)); + /** + * The following decimals introduce numerical errors: + * Math.pow(10, -4) = 0.00009999999999999999 + * Math.pow(10, -5) = 0.000009999999999999999 + * + * Such errors will propagate in round_precision and lead to inconsistencies between Python + * and JavaScript. To avoid this, we parse the scientific notation. + */ + return utils.round_precision(value, parseFloat('1e' + -decimals)); }, /** * performs a half up rounding with arbitrary precision, correcting for float loss of precision |