A.13.2 Miscellaneous Mathematical Functions

The C functions shown on the left below correspond to the mathematical functions shown on the right.

double sqrt (double x);	$\sqrt{x}$
double pow(double x, double y);	$x^y$
double exp (double x);	e $^x$
double log (double x);	ln $(x)$
double log10 (double x);	log $_{10}(x)$
double fabs (double x);	$\mid x \mid$
double ceil (double x);	smallest integer not less than $x$
double floor (double x);	largest integer not greater than $x$