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@(@\newcommand{\W}[1]{ \; #1 \; } \newcommand{\R}[1]{ {\rm #1} } \newcommand{\B}[1]{ {\bf #1} } \newcommand{\D}[2]{ \frac{\partial #1}{\partial #2} } \newcommand{\DD}[3]{ \frac{\partial^2 #1}{\partial #2 \partial #3} } \newcommand{\Dpow}[2]{ \frac{\partial^{#1}}{\partial {#2}^{#1}} } \newcommand{\dpow}[2]{ \frac{ {\rm d}^{#1}}{{\rm d}\, {#2}^{#1}} }@)@
The Square Root Function: sqrt

Syntax
y = sqrt(x)

x, y
See the possible types for a unary standard math function.

Atomic
This is an atomic operation .

Derivative
@[@ \begin{array}{lcr} \R{sqrt}^{(1)} (x) & = & \frac{1}{2 \R{sqrt} (x) } \end{array} @]@
Example
The file sqrt.cpp contains an example and test of this function. It returns true if it succeeds and false otherwise.
Input File: cppad/core/std_math_98.hpp