Complex math
Computes whether two values are approximately equal, admitting a maximum relative difference, and a maximum absolute difference.
Calculates ex.
Calculate the natural logarithm of x. The branch cut is along the negative axis.
Ilia Ki, Lars Tandle Kyllingstad, Don Clugston
Ilia Ki; 2010, Lars T. Kyllingstad (original Phobos code)
Complex math