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getrange

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Purpose

Get a range value for a variable or constraint.

Synopsis

function getrange(w:integer, x:mpvar):real

function getrange(w:integer, c:linctr):real

Arguments

w	Which information to return. Possible values: XPRS_UPACT  Upper activity XPRS_LOACT  Lower activity XPRS_UUP  Upper unit cost XPRS_UDN  Lower unit cost XPRS_UCOST  Upper cost (variable only) XPRS_LCOST  Lower cost (variable only)
x	A variable of the problem
c	A constraint of the problem

Return value

Range information depending on the value of w.

Further information

This function returns ranging information to be used for sensitivity analysis after the problem has been optimized. On MIP problems, global entities have to be ``fixed'' using the procedure fixglobal before this function can be called.

Related topics

fixglobal

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