/usr/include/ida/ida_band.h is in libsundials-dev 2.7.0+dfsg-2build1.
This file is owned by root:root, with mode 0o644.
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* -----------------------------------------------------------------
* $Revision: 4378 $
* $Date: 2015-02-19 10:55:14 -0800 (Thu, 19 Feb 2015) $
* -----------------------------------------------------------------
* Programmer(s): Alan C. Hindmarsh, and 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 IDABAND linear solver module.
* -----------------------------------------------------------------
*/
#ifndef _IDABAND_H
#define _IDABAND_H
#include <ida/ida_direct.h>
#include <sundials/sundials_band.h>
#ifdef __cplusplus /* wrapper to enable C++ usage */
extern "C" {
#endif
/*
* -----------------------------------------------------------------
* Function : IDABand
* -----------------------------------------------------------------
* A call to the IDABand function links the main integrator
* with the IDABAND linear solver module.
*
* ida_mem is the pointer to the integrator memory returned by
* IDACreate.
*
* mupper is the upper bandwidth of the banded Jacobian matrix.
*
* mlower is the lower bandwidth of the banded Jacobian matrix.
*
* The return values of IDABand are:
* IDADLS_SUCCESS = 0 if successful
* IDADLS_LMEM_FAIL = -1 if there was a memory allocation failure
* IDADLS_ILL_INPUT = -2 if the input was illegal or NVECTOR bad.
*
* NOTE: The band linear solver assumes a serial implementation
* of the NVECTOR package. Therefore, IDABand will first
* test for a compatible N_Vector internal representation
* by checking that the N_VGetArrayPointer function exists.
* -----------------------------------------------------------------
*/
SUNDIALS_EXPORT int IDABand(void *ida_mem, long int Neq, long int mupper, long int mlower);
#ifdef __cplusplus
}
#endif
#endif
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