Presolvers

Detailed Description

This page contains a list of all presolvers which are currently available.

A detailed description what a presolver does and how to add a presolver to SCIP can be found here.

Files
file	presol_boundshift.h
	presolver that converts integer variables with domain [a,b] to integer variables with domain [0,b-a]
file	presol_components.c
	solve independent components in advance
file	presol_components.h
	components presolver
file	presol_convertinttobin.c
	presolver that converts integer variables to binaries
file	presol_domcol.c
	dominated column presolver
file	presol_dualinfer.c
	dual inference presolver
file	presol_gateextraction.h
	gateextraction presolver
file	presol_implics.h
	implication graph presolver which checks for aggregations
file	presol_inttobinary.h
	presolver that converts integer variables with domain [a,a+1] to binaries
file	presol_trivial.h
	trivial presolver: round fractional bounds on integer variables, fix variables with equal bounds