nlpi_ipopt_dummy.c File Reference

Detailed Description

dummy Ipopt NLP interface for the case that Ipopt is not available

Author

Stefan Vigerske

Benjamin Müller

This code has been separate from nlpi_ipopt.cpp, so the SCIP build system recognizes it as pure C code, thus the linker does not need to be changed to C++.

Definition in file nlpi_ipopt_dummy.c.

#include "scip/pub_message.h"
#include "nlpi/nlpi_ipopt.h"

Go to the source code of this file.

Macros
#define	ENTRY(i, j)   (N * (j) + (i))

Functions
SCIP_RETCODE	SCIPcreateNlpSolverIpopt (BMS_BLKMEM *blkmem, SCIP_NLPI **nlpi)
const char *	SCIPgetSolverNameIpopt (void)
const char *	SCIPgetSolverDescIpopt (void)
SCIP_Bool	SCIPisIpoptAvailableIpopt (void)
void *	SCIPgetIpoptApplicationPointerIpopt (SCIP_NLPIPROBLEM *nlpiproblem)
void *	SCIPgetNlpiOracleIpopt (SCIP_NLPIPROBLEM *nlpiproblem)
void	SCIPsetModifiedDefaultSettingsIpopt (SCIP_NLPI *nlpi, const char *optionsstring)
SCIP_RETCODE	LapackDsyev (SCIP_Bool computeeigenvectors, int N, SCIP_Real *a, SCIP_Real *w)
static SCIP_RETCODE	SCIPsolveLinearProb3 (SCIP_Real *A, SCIP_Real *b, SCIP_Real *x, SCIP_Bool *success)
SCIP_RETCODE	SCIPsolveLinearProb (int N, SCIP_Real *A, SCIP_Real *b, SCIP_Real *x, SCIP_Bool *success)

Macro Definition Documentation

ENTRY

#define ENTRY	(		i,
			j
	)		(N * (j) + (i))

Definition at line 109 of file nlpi_ipopt_dummy.c.

Referenced by SCIPsolveLinearProb(), and SCIPsolveLinearProb3().

Function Documentation

SCIPsolveLinearProb3()

static SCIP_RETCODE SCIPsolveLinearProb3 ( SCIP_Real *  A, SCIP_Real *  b, SCIP_Real *  x, SCIP_Bool *  success  )

static

Parameters

A	matrix data on input (size 3*3); filled column-wise
b	right hand side vector (size 3)
x	buffer to store solution (size 3)
success	pointer to store if the solving routine was successful

Definition at line 113 of file nlpi_ipopt_dummy.c.

References ABS, BMScopyMemoryArray, ENTRY, FALSE, NULL, SCIP_OKAY, SCIP_Real, TRUE, and y.

Referenced by SCIPsolveLinearProb().