exp10 method
Implementation
MathComplex exp10(){
if( _im == 0.0 ){
return floatToComplex( ClipMath.exp( _re / ClipMath.normalize ) );
}
double im = _im / ClipMath.normalize;
double e = ClipMath.exp( _re / ClipMath.normalize );
return MathComplex(
e * ClipMath.cos( im ),
e * ClipMath.sin( im )
);
}