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#include<stdlib.h>
#include<stdio.h>
#include<string.h>
typedef struct {
char * name; /* name */
double M; /* molar mass */
double Ts; /* critical temperature */
double * BT; /* 7 low temperature coefficients */
double * HT; /* 7 high temperature coefficients */
} Species_;
typedef Species_ * Species;
typedef Species * pSpecies;
Species CreateSpecies(char * n,double M_,double Ts_,double * BT_,double * HT_)
{
Species s=malloc(sizeof(Species_));
s->name=n;
s->M=M_;
s->Ts=Ts_;
int i;
s->BT=malloc(7*sizeof(double));
s->HT=malloc(7*sizeof(double));
for(i=0;i<7;++i)
{
s->BT[i]=BT_[i];
s->HT[i]=HT_[i];
}
return s;
}
Species CreateEmptySpecies(void)
{
Species s=malloc(sizeof(Species_));
s->name="no name";
s->M=0.0;
s->Ts=0.0;
s->BT=malloc(7*sizeof(double));
s->HT=malloc(7*sizeof(double));
int i;
for(i=0;i<7;++i)
s->BT[i]=s->HT[i]=0.0;
return s;
}
void PrintSpecies(Species s)
{
if(s->M==0.0)
printf("Empty Species\n");
else
{
printf("%s\n",s->name);
printf("%f\t%f\n",s->M,s->Ts);
int i;
for(i=0;i<7;++i)
printf("%f\t",s->BT[i]);
printf("\n");
for(i=0;i<7;++i)
printf("%f\t",s->HT[i]);
printf("\n");
}
return;
}
void DestroySpecies(pSpecies s)
{
free((*s)->BT);
free((*s)->HT);
free(*s);
return;
}
void LoadSpecies(char * name_file,char *name_species,double *M,double *T,double * t1,double * t2);
int main()
{
char * name_file="donnees.txt";
double M,T;
double * t1=malloc(7*sizeof(double));
double * t2=malloc(7*sizeof(double));
char * Name[]={"CH3","CH2","CH3"};
printf("%s\t%s\t%s\n",Name[0],Name[1],Name[2]);
Species tab=malloc(3*sizeof(Species_));
int i;
for(i=0;i<3;++i)
{
LoadSpecies(name_file,Name[i],&M,&T,t1,t2);
tab[i]=*CreateEmptySpecies();
tab[i].name=Name[i];
LoadSpecies(name_file,Name[i],&tab[i].M,&tab[i].Ts,tab[i].BT,tab[i].HT);
printf("affichage de tab[%d]\n",i);
PrintSpecies(&tab[i]);
}
//free(t1); free(t2);
for(i=0;i<3;++i)
DestroySpecies(&tab[i]);
free(tab);
return 0;
}
void LoadSpecies(char * name_file,char *name_species,double *M,double *T,double * t1,double * t2)
{
FILE * file=fopen(name_file,"r");
if (file==NULL)
{
printf("Error in function LoadSpecies : file %s unfounded\nExit program\n",name_file);
exit(1);
}
/* definition d'un tableau de char destine a recevoir la ligne */
char line[150];
/* definition d'un compteur de lignes et initialisation */
int cpt = 1;
/* lecture de la premiere ligne du fichier name_file */
fgets (line, sizeof line, file);
char *p = strchr(line, '\n'); /* cherche le '\n' */
if (p != NULL) /* si on l'a trouve, on l'elimine. */
*p = 0;
int d=strcmp(line,name_species);
while( d && (fgets (line, sizeof line, file) != NULL) )
{
++cpt; /* Mise a jour du compteur de lignes */
p = strchr(line, '\n'); /* cherche le '\n' */
if (p != NULL) /* si on l'a trouve, on l'elimine. */
*p = 0;
d=strcmp(line,name_species);
}
if (feof(file)) /* la fin de fichier a ete detectee */
{
printf("Error in function LoadSpecies : species %s unfounded\nExit program\n",name_species);
//puts("Espece introuvable\nArret du programme\n");
exit(1);
}
/* on charge l'espece */
fscanf(file,"%lf%lf",M,T);
int i;
for(i=0;i<7;++i)
fscanf(file,"%lf",&t1[i]);
for(i=0;i<7;++i)
fscanf(file,"%lf",&t2[i]);
fclose(file);
return;
} |
