#include <math.h>float sqrtf(float num);double sqrt(double num); long double sqrtl(long double num);

sqrtf( ) and sqrtl( ) were added by C99.

The sqrt( ) family of functions returns the square root of num. If they are called with a negative argument, a domain error will occur.

Related functions are exp( ), log( ), and pow( ).

C(s)C++ Programmer's Reference
C Programming on the IBM PC (C Programmers Reference Guide Series)
ISBN: 0673462897
EAN: 2147483647
Year: 2002
Pages: 539

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