Edit: bcround

 Function: bcround Description: Function to round bc string.
Edit function
 Code: function bcround (val, precision) { // http://jsphp.co/jsphp/fn/view/bcround // + original by: lmeyrick (https://sourceforge.net/projects/bcmath-js/) // - depends on: _phpjs_shared_bc // * example 1: bcround(1, 2); // * returns 1: 3 // @todo: implement these testcases // bcscale(0); // // bcmath.test.result('bcround', 1, '-2', bcround('-1.5', 0)); // bcmath.test.result('bcround', 2, '-1.1235', bcround('-1.1234567', 4)); // bcmath.test.result('bcround', 3, '2', bcround('1.5', 0)); // bcmath.test.result('bcround', 4, '1.1235', bcround('1.1234567', 4)); // bcmath.test.result('bcround', 5, '1', bcround('1.499999999', 0)); // bcmath.test.result('bcround', 6, '2', bcround('1.5555555555555555555', 0)); // bcmath.test.result('bcround', 7, '1.44', bcround('1.444999', 2)); // bcmath.test.result('bcround', 8, '-1.44', bcround('-1.444999', 2)); var libbcmath = this._phpjs_shared_bc(); var temp, result, digit; var right_operand; // create number temp = libbcmath.bc_init_num(); temp = libbcmath.php_str2num(val.toString()); // check if any rounding needs if (precision >= temp.n_scale) { // nothing to round, just add the zeros. while (temp.n_scale < precision) { temp.n_value[temp.n_len + temp.n_scale] = 0; temp.n_scale++; } return temp.toString(); } // get the digit we are checking (1 after the precision) // loop through digits after the precision marker digit = temp.n_value[temp.n_len + precision]; right_operand = libbcmath.bc_init_num(); right_operand = libbcmath.bc_new_num(1, precision); if (digit >= 5) { //round away from zero by adding 1 (or -1) at the "precision".. ie 1.44999 @ 3dp = (1.44999 + 0.001).toString().substr(0,5) right_operand.n_value[right_operand.n_len + right_operand.n_scale - 1] = 1; if (temp.n_sign == libbcmath.MINUS) { // round down right_operand.n_sign = libbcmath.MINUS; } result = libbcmath.bc_add(temp, right_operand, precision); } else { // leave-as-is.. just truncate it. result = temp; } if (result.n_scale > precision) { result.n_scale = precision; } return result.toString(); } You have to be logged in to edit functions.
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