exprinterpret_none.c
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26 * @brief function definitions for nonexisting expression interpreter to resolve linking references
31 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
66 *exprint = (SCIP_EXPRINT*)1u; /* some code checks that a non-NULL pointer is returned here, even though it may not point anywhere */
115 * In cases of user-given expressions, higher order derivatives may not be available for the user-expression,
116 * even if the expression interpreter could handle these. This method allows to recognize that, e.g., the
117 * Hessian for an expression is not available because it contains a user expression that does not provide
140 SCIPerrorMessage("No expression interpreter linked to SCIP, try recompiling with EXPRINT=cppad.\n");
151 SCIP_Bool new_varvals, /**< have variable values changed since last call to a point evaluation routine? */
156 SCIPerrorMessage("No expression interpreter linked to SCIP, try recompiling with EXPRINT=cppad.\n");
162 * Since the AD code might need to do a forward sweep, variable values need to be passed in here.
177 SCIPerrorMessage("No expression interpreter linked to SCIP, try recompiling with EXPRINT=cppad.\n");
183 * Returned arrays `rowidxs` and `colidxs` and number of elements `nnz` are the same as given by SCIPexprintHessianSparsity().
192 SCIP_Bool new_varvals, /**< have variable values changed since last call to an evaluation routine? */
200 SCIPerrorMessage("No expression interpreter linked to SCIP, try recompiling with EXPRINT=cppad.\n");
methods to interpret (evaluate) an expression "fast"
Definition: struct_scip.h:68
SCIP_RETCODE SCIPexprintCompile(SCIP *scip, SCIP_EXPRINT *exprint, SCIP_EXPR *expr, SCIP_EXPRINTDATA **exprintdata)
Definition: exprinterpret_none.c:89
SCIP_RETCODE SCIPexprintFreeData(SCIP *scip, SCIP_EXPRINT *exprint, SCIP_EXPR *expr, SCIP_EXPRINTDATA **exprintdata)
Definition: exprinterpret_none.c:100
SCIP_RETCODE SCIPexprintHessianSparsity(SCIP *scip, SCIP_EXPRINT *exprint, SCIP_EXPR *expr, SCIP_EXPRINTDATA *exprintdata, SCIP_Real *varvals, int **rowidxs, int **colidxs, int *nnz)
Definition: exprinterpret_none.c:166
SCIP_RETCODE SCIPexprintGrad(SCIP *scip, SCIP_EXPRINT *exprint, SCIP_EXPR *expr, SCIP_EXPRINTDATA *exprintdata, SCIP_Real *varvals, SCIP_Bool new_varvals, SCIP_Real *val, SCIP_Real *gradient)
Definition: exprinterpret_none.c:145
Definition: type_retcode.h:42
SCIP_RETCODE SCIPexprintCreate(SCIP *scip, SCIP_EXPRINT **exprint)
Definition: exprinterpret_none.c:61
SCIP_EXPRINTCAPABILITY SCIPexprintGetCapability(void)
Definition: exprinterpret_none.c:53
Definition: struct_expr.h:104
SCIP_RETCODE SCIPexprintEval(SCIP *scip, SCIP_EXPRINT *exprint, SCIP_EXPR *expr, SCIP_EXPRINTDATA *exprintdata, SCIP_Real *varvals, SCIP_Real *val)
Definition: exprinterpret_none.c:131
SCIP_EXPRINTCAPABILITY SCIPexprintGetExprCapability(SCIP *scip, SCIP_EXPRINT *exprint, SCIP_EXPR *expr, SCIP_EXPRINTDATA *exprintdata)
Definition: exprinterpret_none.c:120
SCIP_RETCODE SCIPexprintFree(SCIP *scip, SCIP_EXPRINT **exprint)
Definition: exprinterpret_none.c:72
SCIP_RETCODE SCIPexprintHessian(SCIP *scip, SCIP_EXPRINT *exprint, SCIP_EXPR *expr, SCIP_EXPRINTDATA *exprintdata, SCIP_Real *varvals, SCIP_Bool new_varvals, SCIP_Real *val, int **rowidxs, int **colidxs, SCIP_Real **hessianvals, int *nnz)
Definition: exprinterpret_none.c:186
public methods for message output
Definition: type_retcode.h:54
Definition: objbenders.h:43