C Interview Questions and Answers


Why does not C have an exponentiation operator?

One reason is probably that few processors have a built-in exponentiation instruction.
C has a pow function (declared in <math.h>) for performing exponentiation,
although explicit multiplication is usually better for small positive integral exponents.
In other words, pow(x, 2.) is probably inferior to x * x. (If you're tempted
to make a Square() macro, though, check

Posted by:Richards