# /home/coin/svn-release/Smi-0.93.1/CoinUtils/src/CoinPresolveZeros.hpp File Reference

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## Classes
struct | dropped_zero
| Tracking information for an explicit zero coefficient. More...
class | drop_zero_coefficients_action
| Removal of explicit zeros. More...
## Defines
#define | DROP_ZERO 8
## Functions
const CoinPresolveAction * | drop_zero_coefficients (CoinPresolveMatrix *prob, const CoinPresolveAction *next)

## Detailed Description

Drop/reintroduce explicit zeros.

Definition in file CoinPresolveZeros.hpp.

## Define Documentation

#define DROP_ZERO 8

Definition at line 14 of file CoinPresolveZeros.hpp.

## Function Documentation

const CoinPresolveAction* drop_zero_coefficients | ( | CoinPresolveMatrix * | prob,
|  | const CoinPresolveAction * | next |
| ) |  |  |