a2702f6d
 刘淇
巡查计划
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// 浮点数加法
export function add (arg1, arg2) {
var r1, r2, m
try {
r1 = arg1.toString().split('.')[1].length
} catch (e) {
r1 = 0
}
try {
r2 = arg2.toString().split('.')[1].length
} catch (e) {
r2 = 0
}
m = Math.pow(10, Math.max(r1, r2))
return (arg1 * m + arg2 * m) / m
}
// 浮点数减法
export function sub (arg1, arg2) {
var r1, r2, m, n
try {
r1 = arg1.toString().split('.')[1].length
} catch (e) {
r1 = 0
}
try {
r2 = arg2.toString().split('.')[1].length
} catch (e) {
r2 = 0
}
m = Math.pow(10, Math.max(r1, r2))
n = (r1 >= r2) ? r1 : r2
return Math.abs(((arg1 * m - arg2 * m) / m).toFixed(n))
}
//浮点乘法
export function mul (a, b) {
var c = 0,
d = a.toString(),
e = b.toString();
try {
c += d.split(".")[1].length;
} catch (f) {}
try {
c += e.split(".")[1].length;
} catch (f) {}
return Number(d.replace(".", "")) * Number(e.replace(".", "")) / Math.pow(10, c);
}
//浮点除法
export function div (a, b) {
var c, d, e = 0,
f = 0;
try {
e = a.toString().split(".")[1].length;
} catch (g) {}
try {
f = b.toString().split(".")[1].length;
} catch (g) {}
return c = Number(a.toString().replace(".", "")), d = Number(b.toString().replace(".", "")), xyutil.mul(c / d, Math.pow(10, f - e));
}
export default {
add,
sub,
mul,
div
}
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