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|
/*------------------------------------------------------------------------
* Graphic library
* Copyright (C) 1998-2000 Enpc/Inria
* jpc@cereve.enpc.fr
--------------------------------------------------------------------------*/
/*------------------------------------------------------
* Read and Write inside the Scilab stack
*------------------------------------------------------*/
#include "../stack-c.h"
extern int C2F(dmcopy) __PARAMS((double *a, integer *na, double *b, integer *nb, integer *m, integer *n));
extern int C2F(stackg) __PARAMS((integer *id));
extern int C2F(stackp) __PARAMS((integer *id, integer *macmod));
/* Table of constant values */
static integer cx0 = 0;
static integer cx1 = 1;
/*------------------------------------------------------
* read a matrix
*------------------------------------------------------*/
int C2F(readmat)(namex, m, n, scimat, name_len)
char *namex;
integer *m, *n;
double *scimat;
unsigned long name_len;
{
int j;
j = C2F(creadmat)(namex, m, n, scimat, name_len);
return 0;
}
/*----------------------------------------------------------------
* readmat reads vector/matrix in scilab's internal stack
* calling sequence
* logic=creadmat('matrixname',m,n,scimat)
* matrixname: character string; name of the scilab variable.
* m: number of rows (output of readmat)
* n: number of columns (output of readmat)
* scimat: matrix entries stored columnwise (output of readmat)
* Example of use:
* Amat is a real 2 x 3 scilab matrix
* your subroutine should be as follows:
* subroutine mysubr(...)
* ...
* call readmat('Amat',m,n,scimat)
* => m=3 , n=2, and scimat(1)=Amat(1,1)
* scimat(2)=Amat(2,1)
* scimat(3)=Amat(3,1)
* scimat(4)=Amat(1,2) ...
* scimat(5)=Amat(3,2)
*----------------------------------------------------------------*/
int C2F(creadmat)(namex, m, n, scimat, name_len)
char *namex;
integer *m, *n;
double *scimat;
unsigned long name_len;
{
integer l;
integer id[nsiz];
C2F(str2name)(namex, id, name_len);
/* read : from scilab stack -> fortran variable */
Fin = -1;
C2F(stackg)(id);
if (Err > 0) return FALSE_ ;
if (Fin == 0) {
Scierror(4,"Undefined variable %s\r\n",get_fname(namex,name_len));
return FALSE_;
}
if ( *infstk(Fin ) == 2) Fin = *istk(iadr(*lstk(Fin )) + 1 +1);
/* get matrix data pointer */
if (! C2F(getrmat)("creadmat", &Fin, &Fin, m, n, &l, 8L)) return FALSE_;
C2F(dmcopy)(stk(l ), m, scimat, m, m, n);
return TRUE_;
}
/*----------------------------------------------------------------
* cwritemat writes vector/matrix in scilab's internal stack
* logic=cwritemat('matrixname'//char(0),m,n,mat)
* name: character string; name of the scilab variable ( null terMinated)
* m: number of rows
* n: number of columns
* mat: matrix entries stored columnwise in Scilab object
*----------------------------------------------------------------*/
int C2F(cwritemat)(namex, m, n, mat, name_len)
char *namex;
integer *m, *n;
double *mat;
unsigned long name_len;
{
integer ix1 = *m * *n;
integer Rhs_k = Rhs , Top_k = Top ;
integer l4, id[nsiz], lc, lr;
C2F(str2name)(namex, id, name_len);
++Top;
if (! C2F(cremat)("cwritemat", &Top, &cx0, m, n, &lr, &lc, 9L)) return FALSE_;
C2F(dcopy)(&ix1, mat, &cx1, stk(lr ), &cx1);
Rhs = 0;
l4 = C2F(iop).lct[3];
C2F(iop).lct[3] = -1;
C2F(stackp)(id, &cx0);
C2F(iop).lct[3] = l4;
Top = Top_k;
Rhs = Rhs_k;
if (Err > 0) return FALSE_;
return TRUE_;
}
/*------------------------------------------------------
* see creadchain
*------------------------------------------------------*/
int C2F(readchain)(namex, itslen, chai, name_len, chai_len)
char *namex;
integer *itslen;
char *chai;
unsigned long name_len, chai_len;
{
int j;
j = C2F(creadchain)(namex, itslen, chai, name_len, chai_len);
return 0;
}
/*------------------------------------------------------
* this routine reads a string in scilab's memory
* and store it into chai
* !calling sequence
* integer itslen
* character*(*) chai,name
* name : character string = name of scilab variable (input)
* chai : chain to be read (output)
* null terMinated
* itslen : (input) Maximum number of character that can ne stored
* in chain
* (output) number of copied characters into chai
* if Scilab variable x='qwert' exists
* character ch*(10)
* l=10
* logic= creadchain('x',l,ch) returns l=5 and ch='qwert'
*------------------------------------------------------*/
int C2F(creadchain)(namex, itslen, chai, name_len, chai_len)
char *namex;
integer *itslen;
char *chai;
unsigned long name_len;
unsigned long chai_len;
{
integer ix1;
integer m1, n1;
integer id[nsiz];
integer lr1;
integer nlr1;
Err = 0;
C2F(str2name)(namex, id, name_len);
Fin = -1;
C2F(stackg)(id);
if (Err > 0) return FALSE_ ;
if (Fin == 0) {
Scierror(4,"Undefined variable %s\r\n",get_fname(namex,name_len));
return FALSE_ ;
}
if (*infstk(Fin ) == 2) {
Fin = *istk(iadr(*lstk(Fin )) + 1 +1);
}
if (! C2F(getsmat)("creadchain", &Fin, &Fin, &m1, &n1, &cx1, &cx1, &lr1, &nlr1, 10L)) {
return FALSE_;
}
if (m1 * n1 != 1) {
Scierror(999,"creadchain: argument must be a string\r\n");
return FALSE_ ;
}
ix1 = *itslen - 1;
*itslen = Min(ix1,nlr1);
C2F(cvstr)(itslen, istk(lr1 ), chai, &cx1, chai_len);
chai[*itslen] = '\0';
return TRUE_ ;
}
/*----------------------------------------------------------------------
* this routine reads name(ir,ic) in scilab's memory
* and store it into chai
* if ir=ic=-1 on entry then the routines returns in ir,ic
* the size of the matrix
* !calling sequence
* integer itslen
* character*(*) chai,name
* name : character string = name of scilab variable (input)
* chai : chain to be read (output)
* null terMinated
* itslen : (input) Maximum number of character that can be stored
* in chain
* (output) number of copied characters into chai
* if Scilab variable x='qwert' exists
* character ch*(10)
* l=10
* logic= creadchain('x',l,ch) returns l=5 and ch='qwert'
*----------------------------------------------------------------------*/
int C2F(creadchains)(namex, ir, ic, itslen, chai, name_len, chai_len)
char *namex;
integer *ir, *ic, *itslen;
char *chai;
unsigned long name_len;
unsigned long chai_len;
{
integer ix1;
integer m1, n1;
integer id[nsiz];
integer lr1;
integer nlr1;
Err = 0;
C2F(str2name)(namex, id, name_len);
Fin = -1;
C2F(stackg)(id);
if (Err > 0) return FALSE_ ;
if (Fin == 0) {
Scierror(4,"Undefined variable %s\r\n",get_fname(namex,name_len));
return FALSE_ ;
}
if (*infstk(Fin ) == 2) {
Fin = *istk(iadr(*lstk(Fin )) + 1 +1);
}
if (*ir == -1 && *ic == -1) {
if (! C2F(getsmat)("creadchain", &Fin, &Fin, ir, ic, &cx1, &cx1, &lr1, &nlr1, 10L))
return FALSE_;
else
return TRUE_ ;
} else {
if (! C2F(getsmat)("creadchain", &Fin, &Fin, &m1, &n1, ir, ic, &lr1, &nlr1, 10L)) {
return FALSE_;
}
}
ix1 = *itslen - 1;
*itslen = Min(ix1,nlr1);
C2F(cvstr)(itslen, istk(lr1 ), chai, &cx1, chai_len);
chai[*itslen]='\0';
return TRUE_;
}
/*----------------------------------------------------------------
* cwritemat writes vector/matrix in scilab's internal stack
* logic=cwritemat('matrixname'//char(0),m,n,mat)
* name: character string; name of the scilab variable ( null terMinated)
* m: number of rows
* n: number of columns
* mat: matrix entries stored columnwise in Scilab object
*----------------------------------------------------------------*/
int C2F(cwritechain)(namex, m, chai, name_len, chai_len)
char *namex;
integer *m;
char *chai;
unsigned long name_len, chai_len;
{
integer Rhs_k, Top_k;
integer l4;
integer id[nsiz], lr;
C2F(str2name)(namex, id, name_len);
Top_k = Top;
++Top;
if (! C2F(cresmat2)("cwritechain", &Top, m, &lr, 11L)) {
return FALSE_;
}
C2F(cvstr)(m, istk(lr ), chai, &cx0, chai_len);
Rhs_k = Rhs;
Rhs = 0;
l4 = C2F(iop).lct[3];
C2F(iop).lct[3] = -1;
C2F(stackp)(id, &cx0);
C2F(iop).lct[3] = l4;
Top = Top_k ;
Rhs = Rhs_k ;
if (Err > 0) return FALSE_;
return TRUE_ ;
}
/*----------------------------------------------------------------
* see cmatptr
*----------------------------------------------------------------*/
int C2F(matptr)(namex, m, n, lp, name_len)
char *namex;
integer *m, *n, *lp;
unsigned long name_len;
{
int ix;
ix = C2F(cmatptr)(namex, m, n, lp, name_len);
return 0;
}
/*----------------------------------------------------------------
* !purpose
* matptr returns the adress of real matrix "name"
* in scilab's internal stack
* m=number of rows
* n=number of columns
* stk(lp),stk(lp+1),...,stk(lp+m*n-1)= entries (columnwise)
* If matrix "name" not in Scilab stack, returns m=n=-1.
* Example of use:
* Amat is a real 2 x 3 scilab matrix
* your subroutine should be as follows:
* subroutine mysubr(...)
* ...
* logic= cmatptr('Amat',m,n,lp)
* => m=3 , n=2, and stk(lp)=Amat(1,1)
* stk(lp+1)=Amat(2,1)
* stk(lp+2)=Amat(3,1)
* stk(lp+3)=Amat(1,2) ...
* stk(lp+5)=Amat(3,2)
* see example in fydot.f file
* see also readmat.f, matz.f
*----------------------------------------------------------------*/
int C2F(cmatptr)(namex, m, n, lp, name_len)
char *namex;
integer *m, *n, *lp;
unsigned long name_len;
{
integer id[nsiz];
C2F(str2name)(namex, id, name_len);
/* get the position in fin */
Fin = -1;
C2F(stackg)(id);
if (Fin == 0) {
Scierror(4,"Undefined variable %s\r\n",get_fname(namex,name_len));
*m = -1;
*n = -1;
return FALSE_;
}
/* get data */
if (*infstk(Fin ) == 2) {
Fin = *istk(iadr(*lstk(Fin )) + 1 +1);
}
if (! C2F(getrmat)("creadmat", &Fin, &Fin, m, n, lp, 8L)) {
return FALSE_;
}
return TRUE_ ;
}
/*----------------------------------------------------------------
* string conversion to Scilab ID
* Warning : the character name is null terMinated
* and len(name) is not used
* since it can be wrong (ex when name is transmited
* by fort (intfort : function )
*----------------------------------------------------------------*/
int C2F(str2name)(namex, id, name_len)
char *namex;
integer *id;
unsigned long name_len;
{
integer ix;
integer lon;
lon = 0;
for (ix = 0 ; ix < name_len ; ix++ ) {
if ( namex[ix] == '\0') break;
++lon;
}
C2F(cvname)(id, namex, &cx0, lon);
return 0;
}
/*----------------------------------------------------------------
* objptr returns the adress of "name"
* in scilab's internal stack
*----------------------------------------------------------------*/
int C2F(objptr)(namex, lp, name_len)
char *namex;
integer *lp;
unsigned long name_len;
{
integer id[nsiz];
*lp = 0;
/* ---- get the id */
C2F(str2name)(namex, id, name_len);
/* ---- get the position in fin */
Fin = -1;
C2F(stackg)(id);
if (Fin == 0) {
C2F(putid)(&C2F(recu).ids[(C2F(recu).pt + 1) * nsiz - nsiz], id);
/* we juste return false and lp is set to zero */
/* call error(4) */
return FALSE_;
}
*lp = *lstk(Fin );
if (*infstk(Fin ) == 2) {
*lp = *lstk(*istk(iadr(*lp) + 1 +1) );
}
return TRUE_;
}
|
