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XSLPgetcoefformula

XSLPgetcoefformula


Purpose
Retrieve a single matrix coefficient as a formula split into tokens
Synopsis
int XPRS_CC XSLPgetcoefformula(XSLPprob Prob, int RowIndex, int ColIndex, double *Factor, int Parsed, int BufferSize, int *TokenCount, int *Type, double *Value);
Arguments
Prob 
The current SLP problem.
RowIndex 
Integer holding the row index for the coefficient.
ColIndex 
Integer holding the column index for the coefficient.
Factor 
Address of a double precision variable to receive the value of the constant factor multiplying the formula in the coefficient.
Parsed 
Integer indicating whether the formula of the item is to be returned in internal unparsed format ( Parsed=0) or parsed (reverse Polish) format ( Parsed=1).
BufferSize 
Maximum number of tokens to return, i.e. length of the Type and Value arrays.
TokenCount 
Number of tokens returned in Type and Value.
Type 
Integer array to hold the token types for the formula.
Value 
Double array of values corresponding to Type.
Example
The following example displays the formula for the coefficient in row 2, column 3 in unparsed form:
int n, Type[10];
double Value[10];
int TokenCount;

XSLPgetcoefformula(Prob, 2, 3, &Factor, 0, 10, &TokenCount, Type, Value);

for (n=0;Type[n] != XSLP_EOF;n++)
  printf("\nType=%-3d  Value=%lg",Type[n],Value[n]);
Further information

The Type and Value arrays are terminated by an XSLP_EOF token.

If the requested coefficient is constant, then Factor will be set to 1.0 and the value will be returned with token type XSLP_CON.


Related topics

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