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/*
* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2006 - INRIA - Fabrice Leray
* Copyright (C) 2006 - INRIA - Jean-Baptiste Silvy
*
* This file must be used under the terms of the CeCILL.
* This source file is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at
* http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
*
*/
/*------------------------------------------------------------------------*/
/* file: BasicAlgos.h */
/* desc : Several basic algorithms which can be used in several places in */
/* the code. */
/*------------------------------------------------------------------------*/
#ifndef _BASIC_ALGOS_H_
#define _BASIC_ALGOS_H_
#include "dynlib_graphics.h"
#include "BOOL.h"
/**
* Find the striclty positive minimum value of an array of double.
* @param[in] x array of size n.
* @return The stricly posistive minimum of x if exists, a negative value otherwise
*/
GRAPHICS_IMPEXP double sciFindStPosMin(const double x[], int n);
/**
* check the strict monotony of a vector
* @return 1 if the vector is increasing or constant
* -1 if decreasing and not constant
* 0 if not monotonous
* @param nbElement must be greater than 2.
*/
GRAPHICS_IMPEXP int checkMonotony(const double vector[], int nbElement);
/**
* @return TRUE if the array contains one element which is not %inf, -%inf or %nan
* FALSE is all its elements are not finite
*/
GRAPHICS_IMPEXP BOOL containsOneFiniteElement(const double vector[], int nbElement);
/*--------------------------------------------------------------------------*/
/**
* copy an array into an other
*/
GRAPHICS_IMPEXP void doubleArrayCopy(double dest[], const double src[], int nbElement);
/**
* copy an int array into an other
*/
GRAPHICS_IMPEXP void intArrayCopy(int dest[], const int src[], int nbElement);
/**
* copy a char * array into an other
*/
GRAPHICS_IMPEXP void stringArrayCopy(char * dest[], char * src[], int nbElement);
/**
* set each element of an array to a certain value
*/
GRAPHICS_IMPEXP void setDoubleArraySingleValue(double dest[], double value, int nbElement);
/**
* create a new array which is kind of copy of another
* the elements are copied beginning with the first
* if the array is longer than the other, then the last values are set to 0.0
* @param destSize the wanted size for the new array
* @return the newly created array or NULL if an error occurred
*/
GRAPHICS_IMPEXP double* createNewArrayFromSource(int destSize, const double src[], int srcSize);
/**
* free an array of strings
*/
GRAPHICS_IMPEXP void destroyStringArray(char * src[], int nbStrings);
/**
* allocate a copy of a double array
*/
GRAPHICS_IMPEXP double* createDoubleArrayCopy(const double src[], int nbElement);
/**
* allocate a copy of a int array.
*/
GRAPHICS_IMPEXP int * createIntArrayCopy(const int src[], int nbElement);
/**
* allocate a copy of a string array
*/
GRAPHICS_IMPEXP char ** createStringArrayCopy(char * src[], int nbElement);
/**
* allocate a string array and set all its element to NULL
*/
GRAPHICS_IMPEXP char ** createStringArray(int nbElement);
/*--------------------------------------------------------------------------*/
#endif /* _BASIC_ALGOS_H_ */
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