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function adeiMathPreciseSubstract(a, b) {
var ra, rb;
var astr = a.toString();
var bstr = b.toString();
var pos = astr.indexOf(".");
if (pos < 0) ra = 0;
else ra = parseFloat("0." + astr.substr(pos + 1));
pos = bstr.indexOf(".");
if (pos < 0) rb = 0;
else rb = parseFloat("0." + bstr.substr(pos + 1));
if ((ra)||(rb)) {
var ia = Math.floor(a);
var ib = Math.floor(b);
var r = ra - rb;
if (r < 0) {
var rstr = (r+1).toString();
pos = rstr.indexOf('.');
return (ia - ib - 1).toString() + rstr.substr(pos);
} else if (r > 0) {
var rstr = r.toString();
pos = rstr.indexOf('.');
return (ia - ib).toString() + rstr.substr(pos);
} else return ia - ib;
}
return a - b;
}
function adeiMathPreciseAdd(a, b) {
var ra, rb;
var astr = a.toString();
var bstr = b.toString();
var pos = astr.indexOf(".");
if (pos < 0) ra = 0;
else ra = parseFloat("0." + astr.substr(pos + 1));
pos = bstr.indexOf(".");
if (pos < 0) rb = 0;
else rb = parseFloat("0." + bstr.substr(pos + 1));
if ((ra)||(rb)) {
var ia = Math.floor(a);
var ib = Math.floor(b);
var r = ra + rb;
if (r > 1) {
var rstr = r.toString();
pos = rstr.indexOf('.');
return (ia + ib + 1).toString() + rstr.substr(pos);
} else if (r < 1) {
var rstr = r.toString();
pos = rstr.indexOf('.');
return (ia + ib).toString() + rstr.substr(pos);
} else return ia + ib + 1;
}
return a + b;
}
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