buildqtls
Purpose
Generate data required for loading a quadratic expression.
Synopsis
int buildqtls(XPRMcontext ctx, void *nlctx, XPRMnlctr qctr, int onlyqterms, int *nbterm, XPRMnlqterm *qtls, double *cstt);
Arguments
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ctx
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Mosel's execution context
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nlctx
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mmnl execution context
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qctr
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Quadratric constraint or objective to process
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onlyqterms
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Ignore linear terms
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nbterm
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Reference where the number of qterms is returned
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qtls
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Reference where the list of qterms is returned
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cstt
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Reference where the constant terms is returned
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Return value
0 if the expression is constant, 1 for a linear, 2 for a quadratic, 4 for a nonlinear expression and -1 in case of error
Further information
1. This function computes the list of quadratic terms of a quadratic expression. If the option onlyqterms is not specified then linear terms are also included in the list (the second variable reference of a linear term is
NULL).
2. The list
qtls is allocated by the routine: each call to
buildqtls must be followed by a call to
freeqtls in order to release the allocated memory.
Related topics
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