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/*
*
* fonctions avancees sur les polynomes
*
*/
#include "fonctions.h"
#include "pile.h"
#include "hash.h"
#include "main.h"
#include "scalaires.h"
#include "terminal.h"
typedef (void)(*func_name)(polynome arg1, polynome arg2, polynome arg3);
typedef struct func_t {
func_name func;
char *nom;
int arite;
} func_t;
static func_t func_table[] = {
{ deriv, "deriv", 1, },
{ derivn, "derivn", 2 },
{ integ, "int", 1 },
{ printvars, "printvars", 0 },
{ ans, "ans", 0 },
{ help, "help", 0 },
{ setdisplay, "setdisplay", 1 },
{ reinit, "reinit", 0 },
{ exit_call, "exit", 0 },
{ NULL, NULL, -1 }
}
void appel_fonction(char *nom, int arite, polynome p1, polynome p2, polynome p3)
{
int i;
int trouve = 0;
polynome temp;
while (func_table[i].nom) {
if( strcmp(func_table[i].nom, nom))
trouve = 1;
i++;
}
if (trouve)
if (func_table[i].arite==arite) {
(*func_table[i].func)(p1, p2, p3);
} else {
exception(1,_("appel_fonction: incorrect arg number"));
}
} else {
exception(1,_("appel_fonction: non-existent function"));
}
}
void deriv(polynome p1, polynome p2, polynome p3)
{
}
void derivn(polynome p1, polynome p2, polynome p3)
{
}
void integ(polynome p1, polynome p2, polynome p3)
{
}
void printvars(polynome p1, polynome p2, polynome p3)
{
AfficheTableau(variables);
}
void ans(polynome p1, polynome p2, polynome p3)
{ polynome poly;
int valid;
polynome = return_last(&valid);
if (valid)
push_pile_poly(poly);
}
void help(polynome p1, polynome p2, polynome p3)
{
printf(_("Available functions:\n
deriv(p); first derivative of p\n
derivn(p, n); nth derivative of p\n
integ(p); primitive of p\n
printvars(); print all variables\n
ans(); last result\n
help(); this help message\n
setdisplay(n); set integer display format\n
\tn=1: DECIMAL, n=2: HEXA\n
\tn=3: OCTAL, n=4: FLOAT\n
reinit(); clear all variables\n
exit(); end program\n"));
}
void setdisplay(polynome p1, polynome p2, polynome p3)
{
if (p1)
if ((!p1->degre))
switch (p1->coef) {
case 1:
display=DEC;
break;
case 2:
display=HEX;
break;
case 3:
display=OCT;
break;
case 4:
display=FLT;
break;
default:
exception(1, _("setdisplay: invalid arg"));
}
} else {
exception(1, _("setdisplay: invalid arg"));
}
} else {
exception(1, _("setdisplay: invalid arg"));
}
}
void reinit(polynome p1, polynome p2, polynome p3)
{
DetruitTab(&variables);
Initialise(&variables);
}
void exit_call(polynome p1, polynome p2, polynome p3)
{
clearterm();
exception(2, _("Exiting, bye!"));
}
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