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src
mei
mei_math_util.h
Go to the documentation of this file.
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#ifndef __MEI_MATH_UTIL_H__
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#define __MEI_MATH_UTIL_H__
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/*
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This file is part of Code_Saturne, a general-purpose CFD tool.
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Copyright (C) 1998-2013 EDF S.A.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
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Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/*----------------------------------------------------------------------------*/
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/*----------------------------------------------------------------------------
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* Fichiers `include' librairie standard C
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*----------------------------------------------------------------------------*/
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#include <math.h>
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/*============================================================================
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* Type definitions
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*============================================================================*/
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/*----------------------------------------------------------------------------*/
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/*----------------------------------------------------------------------------*/
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typedef
struct
{
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int
col
;
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int
row
;
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double
**
values
;
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char
*
name
;
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char
*
commentaries
;
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}
mei_user_data_t
;
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/*============================================================================
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* Public function definitions
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*============================================================================*/
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/*----------------------------------------------------------------------------
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* Return an interpolated value.
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*
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* param [in] filename char
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* param [in] c1 double
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* param [in] c2 double
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* param [in] x variable to interpolate
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*
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* return interpolated value
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*----------------------------------------------------------------------------*/
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double
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mei_interp1d
(
const
char
*filename,
const
int
c1,
const
int
c2,
const
double
x);
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/*-----------------------------------------------------------------------------*/
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/*
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* Destroy all user data set for 1D interpolation.
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*/
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/*-----------------------------------------------------------------------------*/
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void
mei_data_free
(
void
);
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/*----------------------------------------------------------------------------
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* Return the max value from two doubles.
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*
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* parameters:
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* x1 <-- double
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* x2 <-- double
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*----------------------------------------------------------------------------*/
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double
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mei_max
(
const
double
x1,
const
double
x2);
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/*----------------------------------------------------------------------------
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* Return the min value from two doubles.
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*
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* parameters:
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* x1 <-- double
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* x2 <-- double
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*----------------------------------------------------------------------------*/
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double
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mei_min
(
const
double
x1,
const
double
x2);
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/*-----------------------------------------------------------------------------*/
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#endif
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