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#include <string.h>
#include "../stack-c.h"
extern double C2F(dlamch) __PARAMS((char *CMACH, unsigned long int));
#ifdef __STDC__
extern int Scierror __PARAMS((int iv,char *fmt,...));
#else
extern int Scierror __PARAMS(());
#endif
int ql0001_(int *m,int *me,int *mmax,int *n,int *nmax,int *mnn,
double *c,double *d,double *a,double *b,double *xl,
double *xu,double *x,double *u,int *iout,int *ifail,
int *iprint,double *war,int *lwar,int *iwar,int *liwar,
double *eps1);
int C2F(intqld)(fname)
char *fname;
{
static int un=1,zero=0;
static int Q, n, nbis;
static int p, unbis;
static int C, mmax, m, mnn;
static int b, mbis;
static int me, pipo;
static int lb, ub, leps;
static int x, lambda, inform, ifail;
int next;
static int war, lwar, iwar, iout, C_mmax, b_mmax, k, l;
static double eps1;
/* Define minls=1, maxlhs, minrhs, maxrhs */
static int minlhs=1, minrhs=7, maxlhs=3, maxrhs=8;
/* Check rhs and lhs */
CheckRhs(minrhs,maxrhs) ;
CheckLhs(minlhs,maxlhs) ;
/* RhsVar: qld(Q,p,C,b,lb,ub,me,eps) */
/* 1,2,3,4,5 ,6 ,7, 8 */
eps1=C2F(dlamch)("e",1L);
next= Rhs+1;
/* Variable 1 (Q) */
GetRhsVar(1, "d", &n, &nbis, &Q);
CheckSquare(1,n,nbis);
/* Variable 2 (p) */
GetRhsVar(2, "d", &nbis, &unbis, &p);
CheckLength(2,nbis*unbis,n);
/* Variable 3 (C) */
GetRhsVar(3, "d", &m, &nbis, &C);
if (( nbis != n ) && (m > 0))
{
Scierror(205,"qld: Argument 3: wrong number of columns %d expected \r\n", n);
return 0;
}
mmax = m+1;
mnn = m+n+n;
/* Variable 4 (b) */
GetRhsVar(4, "d", &mbis, &unbis, &b);
CheckLength(4,mbis*unbis,m);
/* Variable 5 (lb) */
GetRhsVar(5, "d", &nbis, &unbis, &lb);
if (nbis*unbis==0) {
CreateVar(next+1, "d", &n, &un, &lb);
for(k=0; k<n; k++)
stk(lb)[k] = -C2F(dlamch)("o",1L);
next=next+1;
}
else
CheckLength(5,nbis*unbis,n);
/* Variable 6 (ub) */
GetRhsVar(6, "d", &nbis, &unbis, &ub);
if (nbis*unbis==0) {
CreateVar(next+1, "d", &n, &un, &ub);
for(k=0; k<n; k++)
stk(ub)[k] = C2F(dlamch)("o",1L);
next=next+1;
}
else
CheckLength(6,nbis*unbis,n);
/* Variable 7 (me) */
GetRhsVar(7, "i", &pipo, &unbis, &me);
CheckScalar(7,pipo,unbis);
if ((*istk(me)<0) || (*istk(me)>n))
{
Err = 7;
Error(116);
return 0;
}
if(Rhs==8) {
/* Variable 8 (eps1) */
GetRhsVar(8, "d", &pipo, &unbis, &leps);
CheckScalar(8,pipo,unbis);
eps1= Max(eps1,*stk(leps));
}
next=Rhs;
/* Internal variables: x, lambda, inform, C_mmax, b_mmax */
CreateVar(next+1, "d", &n, &un, &x);
CreateVar(next+2, "d", &mnn, &un, &lambda);
CreateVar(next+3, "i", &un, &un, &inform);
lwar = 3*n*n/2+10*n+2*mmax+2;
CreateVar(next+4, "d", &lwar, &un, &war);
CreateVar(next+5, "i", &n, &un, &iwar);
istk(iwar)[0]=0;
/* extend C and B to add a row and change the sign of C*/
CreateVar(next+6, "d", &mmax, &n, &C_mmax);
for(k=0; k<n; k++) {
for(l=0; l<m; l++)
stk(C_mmax)[k*mmax+l] = -stk(C)[k*m+l];
stk(C_mmax)[k*mmax+m] = 0.0;}
CreateVar(next+7, "d", &mmax, &un, &b_mmax);
for(k=0; k<m; k++)
stk(b_mmax)[k] = stk(b)[k];
stk(b_mmax)[m] = 0.0;
iout = 0;
ifail=0;
C2F(ql0001)(&m, istk(me), &mmax, &n, &n, &mnn, stk(Q), stk(p), stk(C_mmax),
stk(b_mmax), stk(lb), stk(ub), stk(x), stk(lambda), &iout,
&ifail, &zero, stk(war), &lwar, istk(iwar), &n, &eps1);
/* LhsVar: [x, lambda, inform] = qld(...) */
if (ifail==0) {
LhsVar(1) = next+1;
LhsVar(2) = next+2;
if (Lhs==3) {
LhsVar(3) = next+3;
*istk(inform)=ifail;
}
C2F(putlhsvar)();
}
else if (ifail==1)
Scierror(24,"qld: Too many iterations (more than %d) \r\n", 40*(n+m));
else if (ifail==2)
Scierror(24,"qld: Accuracy insufficient to statify convergence criterion.\r\n");
else if (ifail==5)
Scierror(999,"qld: Length of working array is too short.\r\n");
else if (ifail>10)
Scierror(999,"qld: The constraints are inconsistent.\r\n");
return 0;
}
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