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C COMPILER LIBRARY FUNCTION REFERENCE->Detailed Descriptions->sqrt() sqrtl()

Summary

#include <math.h>

    

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

Parameter
    

x	Floating point value.

Description

This function calculates the square root of x.  The result is undefined if x is less than zero.


Return

These functions return the square root of x.