XPRS_msp_getsol
XPRS_msp_getsol |
Purpose
Returns the solution values for a solution stored in the MIP solution pool.
Synopsis
int XPRS_CC XPRS_msp_getsol(XPRSmipsolpool msp, const int iSolutionId, int * const iSolutionIdStatus, double x[], const int iColFirst, const int iColLast, int * const nValuesReturned)
Arguments
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Msp
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The current MIP solution pool.
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iSolutionId
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The id of the required solution.
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iSolutionIdStatus
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Pointer to an
int where the status of the
iSolutionId will be returned. The returned value is one of:
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x
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Double array where the values of the solution will be returned. May be NULL if not required.
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iColFirst
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Index of the column whose solution value is to be returned in the first element of array
x. If
iColLast > iColFirst then any subsequent columns are to have their values written to the subsequent elements of
x.
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iColLast
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If
x is non-NULL then at most
iColLast - iColFirst + 1 solution values will be written to
x. There will be fewer solution values written if
iColLast is greater than or equal to the number of columns in the solution.
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nValuesReturned
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Pointer to an integer where the number of solution values that were available to be written is returned. This number will always be less than or equal to
iColLast - iColFirst + 1. A value is returned for this parameter regardless of whether
x is passed as NULL. May be NULL if not required.
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Further information
1. It is an error condition if
iColLast < iColFirst or
iColFirst < 0 or if
iColFirst is greater than or equal to the number of columns in the solution.
2. The user will obtain the solution id
iSolutionId from interaction with the MIP solution pool via functions such as
XPRS_msp_findsolbyname,
XPRS_msp_getdblattribprobextreme,
XPRS_msp_getintattribprobextreme and
XPRS_msp_getsollist.
3. By passing
x as NULL and setting
iColFirst to 0 and
iColLast to a large positive integer it is possible to use
XPRS_msp_getsol to obtain in the
nValuesReturned parameter the number of columns in the solution.
Related topics
XPRS_msp_findsolbyname,
XPRS_msp_getdblattribprobextreme,
XPRS_msp_getintattribprobextreme,
XPRS_msp_getsollist.