plemented **
<pre>

All the two operand math functions are provided in three forms:<br>
atan2(double,vector)
atan2(vector,double)
atan2(vector,vector)
copysign(vector,double)
drem(d,d)
fmod(d,d)
frexp(d, Vector&lt;int&gt;& e)  NOT INCLUDED
hypot(d,d)
jn(int, d)                      NOT INCLUDED
ldexp(d,i)                      NOT INCLUDED
modf(d, Vector&lt;int&gt;& e)   NOT INCLUDED
max(d, d)
min(d, d)
nextafter(d, d)
polar(d,d)                      NOT INCLUDED
pow(d,d)
remainder(d,d)
scalb(d,d)
unordered(