# CouenneExprOpp.hpp File Reference

`#include "CouennePrecisions.hpp"`
`#include "CouenneExprUnary.hpp"`

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## Classes
class | Couenne::exprOpp
| class opposite, More...
## Namespaces
namespace | Couenne

| general include file for different compilers
## Functions
CouNumber | Couenne::opp (register CouNumber arg)
| operator opp: returns the opposite of a number

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