加法:it
function dcmAdd(arg1,arg2){io
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 (accMul(arg1,m)+accMul(arg2,m))/m;
}
減法:function
function dcmAdd(arg1,arg2){di
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 (accMul(arg1,m)-accMul(arg2,m))/m;
}
乘法:return
function accMul(arg1,arg2){
var m=0,s1=arg1.toString(),s2=arg2.toString();
try{m+=s1.split(".")[1].length}catch(e){}
try{m+=s2.split(".")[1].length}catch(e){}
return Number(s1.replace(".",""))*Number(s2.replace(".",""))/Math.pow(10,m)
}
除法:
function accDiv(arg1,arg2){
var t1=0,t2=0,r1,r2;
try{t1=arg1.toString().split(".")[1].length}catch(e){}
try{t2=arg2.toString().split(".")[1].length}catch(e){}
with(Math){
r1=Number(arg1.toString().replace(".",""))
r2=Number(arg2.toString().replace(".",""))
return (r1/r2)*pow(10,t2-t1);
}
}