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/*-----------------------------------------------------------------------------------*/
/* INRIA 2005 */
/* Allan CORNET */
/*-----------------------------------------------------------------------------------*/
#include "calendar.h"
#ifdef WIN32
#include "../os_specific/win_mem_alloc.h" /* MALLOC */
#else
#include "../os_specific/sci_mem_alloc.h" /* MALLOC */
#endif
/*-----------------------------------------------------------------------------------*/
int IsAScalar(int RhsNumber);
static int isBissextile (unsigned annee);
static unsigned months_to_days (unsigned mois);
static long years_to_days (unsigned annee);
static long ymd_to_scalar (unsigned annee, unsigned mois, unsigned jour);
int *InversionMatrixInt(int W,int L,int *Matrix);
/*-----------------------------------------------------------------------------------*/
#define NBRDAY 7
#define NBRWEEK 6
/*-----------------------------------------------------------------------------------*/
int days[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
/*-----------------------------------------------------------------------------------*/
int C2F(intcalendar) _PARAMS((char *fname))
{
static int l1,n1,m1;
int month=0;
int year=0;
int day, day_1, numdays, i;
int a=0;
int *CALMONTH=NULL;
int *tmpMatrix=NULL;
Rhs = Max(0, Rhs);
CheckRhs(2,2);
CheckLhs(1,1);
if ( IsAScalar(Rhs-1) && IsAScalar(Rhs) )
{
GetRhsVar(1,"i",&m1,&n1,&l1);
month=*istk(l1);
GetRhsVar(2,"i",&m1,&n1,&l1);
year=*istk(l1);
if ( (year<1800) || (year>3000) )
{
Scierror(999,"Error : year (1800 - 3000).\n");
return 0;
}
if ( (month<1) || (month>12) )
{
Scierror(999,"Error : month (1 - 12).\n");
return 0;
}
}
else
{
Scierror(999,"Invalid argument(s) type.\n");
return 0;
}
CALMONTH=(int *)MALLOC( (NBRDAY*NBRWEEK)*sizeof(int) );
for (i=0;i<NBRDAY*NBRWEEK;i++) CALMONTH[i]=0;
/* verification si le mois de fevrier est a 28 jours ou 29 jours */
numdays = days[month - 1];
if (2 == month && isBissextile(year)) ++numdays;
/* Cela sert a faire demarrer le calendrier par le Lundi */
day_1 = (int)((ymd_to_scalar(year, month, 1) - (long)1) % 7L);
for (day = 0; day < day_1; ++day) a++;
/* ici on remplit les jours tous simplement */
for (day = 1; day <= numdays; ++day, ++day_1, day_1 %= 7)
{
CALMONTH[a]= day;
a++;
}
m1=NBRWEEK;
n1=NBRDAY;
tmpMatrix=CALMONTH;
CALMONTH=InversionMatrixInt(NBRDAY,NBRWEEK,CALMONTH);
if(tmpMatrix) {FREE(tmpMatrix);tmpMatrix=NULL;}
CreateVarFromPtr(Rhs+1, "i", &m1, &n1 ,&CALMONTH);
LhsVar(1)=Rhs+1;
C2F(putlhsvar)();
if (CALMONTH) {FREE(CALMONTH);CALMONTH=NULL;}
return 0;
}
/*-----------------------------------------------------------------------------------*/
int IsAScalar(int RhsNumber)
{
int bOK=0;
if ( GetType(RhsNumber) == sci_matrix )
{
static int l1,n1,m1;
GetRhsVar(RhsNumber,"d",&m1,&n1,&l1);
if ( (m1 == 1) && (n1 == 1) )
{
bOK=1;
}
}
return bOK;
}
/*-----------------------------------------------------------------------------------*/
static int isBissextile (unsigned annee)
{
return annee % 400 == 0 || (annee % 4 == 0 && annee % 100 != 0);
}
/*-----------------------------------------------------------------------------------*/
static unsigned months_to_days (unsigned mois)
{
return (mois * 3057 - 3007) / 100;
}
/*-----------------------------------------------------------------------------------*/
static long years_to_days (unsigned annee)
{
return annee * 365L + annee / 4 - annee / 100 + annee / 400;
}
/*-----------------------------------------------------------------------------------*/
static long ymd_to_scalar (unsigned annee, unsigned mois, unsigned jour)
{
long scalaire;
scalaire = jour + months_to_days(mois);
if ( mois > 2 )
scalaire -= isBissextile(annee) ? 1 : 2;
annee--;
scalaire += years_to_days(annee);
return scalaire;
}
/*-----------------------------------------------------------------------------------*/
int *InversionMatrixInt(int W,int L,int *Matrix)
{
int *buffer = (int *)MALLOC( (W*L)*sizeof(int) );
int i=0;
int j=0;
for (i=0; i<W; i++) for (j=0; j<L; j++) buffer[i*L+j] = Matrix[j*W+i];
return buffer;
}
/*-----------------------------------------------------------------------------------*/
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