# CouenneExprInv.hpp File Reference

`#include "CouenneExprUnary.hpp"`

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## Classes
class | Couenne::exprInv
| class inverse: More...
## Namespaces
namespace | Couenne

| general include file for different compilers
## Functions
CouNumber | Couenne::inv (register CouNumber arg)
| the operator itself
CouNumber | Couenne::oppInvSqr (register CouNumber x)
| derivative of inv (x)
CouNumber | Couenne::inv_dblprime (register CouNumber x)
| inv_dblprime, second derivative of inv (x)

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