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59 lines
1.5 KiB
59 lines
1.5 KiB
/**
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* 加法
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* @param arg1
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* @param arg2
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* @returns
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*/
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function accAdd(arg1, arg2) {
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var r1, r2, m;
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try { r1 = arg1.toString().split(".")[1].length } catch (e) { r1 = 0 };
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try { r2 = arg2.toString().split(".")[1].length } catch (e) { r2 = 0 };
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m = Math.pow(10, Math.max(r1, r2));
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return (arg1 * m + arg2 * m) / m;
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}
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/**
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* 减法
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* @param arg1
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* @param arg2
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* @returns
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*/
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function accSubtr(arg1, arg2) {
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var r1, r2, m, n;
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try { r1 = arg1.toString().split(".")[1].length; } catch (e) { r1 = 0; }
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try { r2 = arg2.toString().split(".")[1].length; } catch (e) { r2 = 0; }
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m = Math.pow(10, Math.max(r1, r2));
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//动态控制精度长度
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n = (r1 >= r2) ? r1 : r2;
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return ((arg1 * m - arg2 * m) / m).toFixed(n);
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}
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/***
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* 乘法，获取精确乘法的结果值
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* @param arg1
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* @param arg2
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* @returns
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*/
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function accMul(arg1, arg2) {
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var m = 0, s1 = arg1.toString(), s2 = arg2.toString();
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try { m += s1.split(".")[1].length } catch (e) { };
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try { m += s2.split(".")[1].length } catch (e) { };
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return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m);
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}
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/***
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* 除法，获取精确乘法的结果值
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* @param arg1
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* @param arg2
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* @returns
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*/
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function accDivCoupon(arg1, arg2) {
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var t1 = 0, t2 = 0, r1, r2;
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try { t1 = arg1.toString().split(".")[1].length; } catch (e) { }
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try { t2 = arg2.toString().split(".")[1].length; } catch (e) { }
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with (Math) {
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r1 = Number(arg1.toString().replace(".", ""));
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r2 = Number(arg2.toString().replace(".", ""));
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return (r1 / r2) * pow(10, t2 - t1);
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}
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}
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