/usr/include/cvodes/cvodes_dense.h is in libsundials-dev 2.7.0+dfsg-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* -----------------------------------------------------------------
* $Revision: 4488 $
* $Date: 2015-04-29 16:39:48 -0700 (Wed, 29 Apr 2015) $
* -----------------------------------------------------------------
* Programmer(s): Radu Serban @ LLNL
* -----------------------------------------------------------------
* LLNS Copyright Start
* Copyright (c) 2014, Lawrence Livermore National Security
* This work was performed under the auspices of the U.S. Department
* of Energy by Lawrence Livermore National Laboratory in part under
* Contract W-7405-Eng-48 and in part under Contract DE-AC52-07NA27344.
* Produced at the Lawrence Livermore National Laboratory.
* All rights reserved.
* For details, see the LICENSE file.
* LLNS Copyright End
* -----------------------------------------------------------------
* This is the header file for the dense linear solver CVSDENSE.
* -----------------------------------------------------------------
*/
#ifndef _CVSDENSE_H
#define _CVSDENSE_H
#include <cvodes/cvodes_direct.h>
#include <sundials/sundials_dense.h>
#ifdef __cplusplus /* wrapper to enable C++ usage */
extern "C" {
#endif
/*
* -----------------------------------------------------------------
* Function: CVDense
* -----------------------------------------------------------------
* A call to the CVDense function links the main integrator with
* the CVSDENSE linear solver.
*
* cvode_mem is the pointer to the integrator memory returned by
* CVodeCreate.
*
* N is the size of the ODE system.
*
* The return value of CVDense is one of:
* CVDLS_SUCCESS if successful
* CVDLS_MEM_NULL if the cvode memory was NULL
* CVDLS_MEM_FAIL if there was a memory allocation failure
* CVDLS_ILL_INPUT if a required vector operation is missing
* -----------------------------------------------------------------
*/
SUNDIALS_EXPORT int CVDense(void *cvode_mem, long int N);
/*
* -----------------------------------------------------------------
* Function: CVDenseB
* -----------------------------------------------------------------
* CVDenseB links the main CVODE integrator with the CVSDENSE
* linear solver for the backward integration.
* The 'which' argument is the int returned by CVodeCreateB.
* -----------------------------------------------------------------
*/
SUNDIALS_EXPORT int CVDenseB(void *cvode_mem, int which, long int nB);
#ifdef __cplusplus
}
#endif
#endif
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