/*
 * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
 * Copyright (C) ????-2008 - INRIA
 *
 * 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
 *
 */

/*--------------------------------------------------------------------------*/
/*
 * @TODO : a lot of code here could be factorized
 */
/*--------------------------------------------------------------------------*/
#include <string.h>
#include "GetFunctionByName.h"
#include "linear_FTables.h"
#include "schur.h"

/***********************************
* Search Table for fschur
***********************************/

#define ARGS_fschur int*,double *,double*,double*,double*
typedef int * (*fschurf)(ARGS_fschur);


/***********************************
* Search Table for gshsel
***********************************/

#define ARGS_gshsel double *,double*,double*
typedef int * (*gshself)(ARGS_gshsel);

/***********************************
* Search Table for gzhsel
***********************************/

#define ARGS_gzhsel doublecmplx *,doublecmplx *
typedef int * (*gzhself)(ARGS_gzhsel);

/**************** fschur ***************/
extern void C2F(folhp)(ARGS_fschur);
extern void C2F(find)(ARGS_fschur);

FTAB FTab_fschur[] =
{
    {"find", (voidf)  C2F(find)},
    {"folhp", (voidf)  C2F(folhp)},
    {(char *) 0, (voidf) 0}
};
/**************** gshsel ***************/
extern void C2F(sb02ow)(ARGS_gshsel);
extern void C2F(sb02ox)(ARGS_gshsel);

FTAB FTab_gshsel[] =
{
    {"sb02ow", (voidf)  C2F(sb02ow)},
    {"sb02ox", (voidf)  C2F(sb02ox)},
    {(char *) 0, (voidf) 0}
};
/**************** gzhsel ***************/
extern void C2F(zb02ow)(ARGS_gzhsel);
extern void C2F(zb02ox)(ARGS_gzhsel);

FTAB FTab_gzhsel[] =
{
    {"zb02ow", (voidf)  C2F(zb02ow)},
    {"zb02ox", (voidf)  C2F(zb02ox)},
    {(char *) 0, (voidf) 0}
};


/***********************************
* Search Table for schur uses : schsel
***********************************/

/** the current function fixed by setschsel **/

static schself schselfonc ;

/** function call : schsel  **/

int *C2F(schsel)(double *alpha, double *beta)
{
    return((*schselfonc)(alpha, beta));
}

/** fixes the function associated to name **/

void C2F(setschsel)(int *len, char *name, int *rep)
{
    if ( ((strncmp(name, "c", 1) == 0 ) && (*len == 1)) || strncmp(name, "cont", 4) == 0 )
    {
        schselfonc = (schself) GetFunctionByName("sb02mv", rep, FTab_schsel);
    }
    else if ( ((strncmp(name, "d", 1) == 0) && (*len == 1)) || strncmp(name, "disc", 4) == 0 )
    {
        schselfonc = (schself) GetFunctionByName("sb02mw", rep, FTab_schsel);
    }
    else
    {
        schselfonc = (schself) GetFunctionByName(name, rep, FTab_schsel);
    }
}

/***********************************
* Search Table for schur uses : zchsel
***********************************/

/** the current function fixed by setzschsel **/

static zchself zchselfonc ;

/** function call : zchsel  **/

int *C2F(zchsel)(doublecmplx *alpha)
{
    return((*zchselfonc)(alpha));
}

/** fixes the function associated to name **/

void C2F(setzchsel)(int *len, char *name, int *rep)
{
    if ( ((strncmp(name, "c", 1) == 0) && (*len == 1)) || strncmp(name, "cont", 4) == 0 )
    {
        zchselfonc = (zchself) GetFunctionByName("zb02mv", rep, FTab_zchsel);
    }
    else if ( ( (strncmp(name, "d", 1) == 0) && (*len == 1) ) || strncmp(name, "disc", 4) == 0 )
    {
        zchselfonc = (zchself) GetFunctionByName("zb02mw", rep, FTab_zchsel);
    }
    else
    {
        zchselfonc = (zchself) GetFunctionByName(name, rep, FTab_zchsel);
    }
}

/***********************************
* Search Table for gschur uses : gshsel
***********************************/

/** the current function fixed by setgshsel **/

static gshself gshselfonc ;

/** function call : gshsel  **/

int *C2F(gshsel)(double *alphar, double *alphai, double *beta)
{
    return((*gshselfonc)(alphar, alphai, beta));
}

/** fixes the function associated to name **/

void C2F(setgshsel)(int *len, char *name, int *rep)
{
    if ( ((strncmp(name, "c", 1) == 0) && (*len == 1)) || strncmp(name, "cont", 4) == 0 )
    {
        gshselfonc = (gshself) GetFunctionByName("sb02ow", rep, FTab_gshsel);
    }
    else if ( ( (strncmp(name, "d", 1) == 0) && (*len == 1) ) || strncmp(name, "disc", 4) == 0 )
    {
        gshselfonc = (gshself) GetFunctionByName("sb02ox", rep, FTab_gshsel);
    }
    else
    {
        gshselfonc = (gshself) GetFunctionByName(name, rep, FTab_gshsel);
    }
}

/***********************************
* Search Table for gschur uses : gzhsel
***********************************/

/** the current function fixed by setgzhsel **/

static gzhself gzhselfonc ;

/** function call : gzhsel  **/

int *C2F(gzhsel)(doublecmplx *alpha, doublecmplx *beta)
{
    return((*gzhselfonc)(alpha, beta));
}

/** fixes the function associated to name **/

void C2F(setgzhsel)(int *len, char *name, int *rep)
{
    if ( ((strncmp(name, "c", 1) == 0) && (*len == 1)) || strncmp(name, "cont", 4) == 0 )
    {
        gzhselfonc = (gzhself) GetFunctionByName("zb02ow", rep, FTab_gzhsel);
    }
    else if ( ( (strncmp(name, "d", 1) == 0) && (*len == 1) ) || strncmp(name, "disc", 4) == 0 )
    {
        gzhselfonc = (gzhself) GetFunctionByName("zb02ox", rep, FTab_gzhsel);
    }
    else
    {
        gzhselfonc = (gzhself) GetFunctionByName(name, rep, FTab_gzhsel);
    }
}

/***********************************
* Search Table for schur uses : fschur
***********************************/

/** the current function fixed by setsolvf **/

static fschurf fschurfonc ;

/** function call : fschur  **/

int *C2F(fschur)(int *lsize, double *alpha, double *beta, double *s, double *p)
{
    return((*fschurfonc)(lsize, alpha, beta, s, p));
}

/** fixes the function associated to name **/

void C2F(setfschur)(char *name, int *rep)
{
    if (strncmp(name, "c", 1) == 0 || strncmp(name, "cont", 4) == 0 )
    {
        fschurfonc = (fschurf) GetFunctionByName("folhp", rep, FTab_fschur);
    }
    else if (strncmp(name, "d", 1) == 0 || strncmp(name, "disc", 4) == 0 )
    {
        fschurfonc = (fschurf) GetFunctionByName("find", rep, FTab_fschur);
    }
    else
    {
        fschurfonc = (fschurf) GetFunctionByName(name, rep, FTab_fschur);
    }
}