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C LIBRARY FUNCTIONS->Detailed Descriptions->sqrt() sqrtl()

Summary

#include "math.h"

double sqrt(double x)	Calculate square root to double precision
long double sqrtl(long double x);	Calculate square root to long double precision

Parameter
    

x	Floating point operand

Description

These functions calculate the square root of x.  The result is undefined if x is less than zero.


Return

These functions return the square root of x.