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R_lpx.c
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R_lpx.c
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/**
* Auto generated using GLPKTranslate framework.
* Please inspect and fix translation errors.
**/
#include <Rdefines.h>
#include "glplpx.h"
#include "R_glpk.h"
#define R_LPX_NIL_CHECK(s) do {\
if (R_ExternalPtrAddr(s) == NULL) \
error("nil value passed"); \
} while (0)
#define R_LPX_TYPE_CHECK(s) do { \
if (TYPEOF(s) != EXTPTRSXP || \
R_ExternalPtrTag(s) != LPX_type_tag) \
error("bad type passed"); \
} while (0)
#define R_LPX_CHECK(s) do { \
R_LPX_NIL_CHECK(s); \
R_LPX_TYPE_CHECK(s); \
} while (0)
static SEXP LPX_type_tag;
/** Initialization for this class -- for .First.lib or equivalent **/
SEXP R_lpx_init(void)
{
LPX_type_tag = install("LPX_TYPE_TAG");
return R_NilValue;
}
/*** void lpx_delete_prob(LPX *lp); ***/
SEXP R_lpx_delete_prob(SEXP lp)
{
SEXP ret = R_NilValue;
LPX *lpx = NULL;
R_LPX_TYPE_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx = R_ExternalPtrAddr(lp);
if (lpx)
{
lpx_delete_prob(lpx);
R_ClearExternalPtr(lp);
}
end:
return ret;
}
/** glpk api: LPX *lpx_create_prob(void); **/
SEXP R_lpx_create_prob()
{
SEXP ret = R_NilValue;
LPX * xret = 0;
if (R_glpk_setjmp()) goto end;
xret = lpx_create_prob();
if (xret)
{
ret = R_MakeExternalPtr(xret, LPX_type_tag, R_NilValue);
/** !! Replace with appropriate finalizer !! **/
R_RegisterCFinalizer(ret, (R_CFinalizer_t) R_lpx_delete_prob);
}
end:
return ret;
}
/** glpk api: void lpx_set_prob_name(LPX *lp, char *name); **/
SEXP R_lpx_set_prob_name(SEXP lp, SEXP name)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_prob_name(R_ExternalPtrAddr(lp), CHARACTER_VALUE(name));
end:
return ret;
}
/** glpk api: void lpx_set_class(LPX *lp, int klass); **/
SEXP R_lpx_set_class(SEXP lp, SEXP klass)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_class(R_ExternalPtrAddr(lp), INTEGER_VALUE(klass));
end:
return ret;
}
/** glpk api: void lpx_set_obj_name(LPX *lp, char *name); **/
SEXP R_lpx_set_obj_name(SEXP lp, SEXP name)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_obj_name(R_ExternalPtrAddr(lp), CHARACTER_VALUE(name));
end:
return ret;
}
/** glpk api: void lpx_set_obj_dir(LPX *lp, int dir); **/
SEXP R_lpx_set_obj_dir(SEXP lp, SEXP dir)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_obj_dir(R_ExternalPtrAddr(lp), INTEGER_VALUE(dir));
end:
return ret;
}
/** glpk api: int lpx_add_rows(LPX *lp, int nrs); **/
SEXP R_lpx_add_rows(SEXP lp, SEXP nrs)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_add_rows(R_ExternalPtrAddr(lp), INTEGER_VALUE(nrs));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_add_cols(LPX *lp, int ncs); **/
SEXP R_lpx_add_cols(SEXP lp, SEXP ncs)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_add_cols(R_ExternalPtrAddr(lp), INTEGER_VALUE(ncs));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: void lpx_set_row_name(LPX *lp, int i, char *name); **/
SEXP R_lpx_set_row_name(SEXP lp, SEXP i, SEXP name)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_row_name(R_ExternalPtrAddr(lp), INTEGER_VALUE(i), CHARACTER_VALUE(name));
end:
return ret;
}
/** glpk api: void lpx_set_col_name(LPX *lp, int j, char *name); **/
SEXP R_lpx_set_col_name(SEXP lp, SEXP j, SEXP name)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_col_name(R_ExternalPtrAddr(lp), INTEGER_VALUE(j), CHARACTER_VALUE(name));
end:
return ret;
}
/** glpk api: void lpx_set_col_kind(LPX *lp, int j, int kind); **/
SEXP R_lpx_set_col_kind(SEXP lp, SEXP j, SEXP kind)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_col_kind(R_ExternalPtrAddr(lp), INTEGER_VALUE(j), INTEGER_VALUE(kind));
end:
return ret;
}
/** glpk api: void lpx_set_row_bnds(LPX *lp, int i, int type, double lb, double ub); **/
SEXP R_lpx_set_row_bnds(SEXP lp, SEXP i, SEXP type, SEXP lb, SEXP ub)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_row_bnds(R_ExternalPtrAddr(lp), INTEGER_VALUE(i), INTEGER_VALUE(type), NUMERIC_VALUE(lb), NUMERIC_VALUE(ub));
end:
return ret;
}
/** glpk api: void lpx_set_col_bnds(LPX *lp, int j, int type, double lb, double ub); **/
SEXP R_lpx_set_col_bnds(SEXP lp, SEXP j, SEXP type, SEXP lb, SEXP ub)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_col_bnds(R_ExternalPtrAddr(lp), INTEGER_VALUE(j), INTEGER_VALUE(type), NUMERIC_VALUE(lb), NUMERIC_VALUE(ub));
end:
return ret;
}
/** glpk api: void lpx_set_obj_coef(LPX *lp, int j, double coef); **/
SEXP R_lpx_set_obj_coef(SEXP lp, SEXP j, SEXP coef)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_obj_coef(R_ExternalPtrAddr(lp), INTEGER_VALUE(j), NUMERIC_VALUE(coef));
end:
return ret;
}
/** glpk api: void lpx_set_mat_row(LPX *lp, int i, int len, int ind[], double val[]); **/
SEXP R_lpx_set_mat_row(SEXP lp, SEXP i, SEXP len, SEXP ind, SEXP val)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_mat_row(R_ExternalPtrAddr(lp), INTEGER_VALUE(i), INTEGER_VALUE(len), &(INTEGER_POINTER(ind)[-1]), &(NUMERIC_POINTER(val)[-1]));
end:
return ret;
}
/** glpk api: void lpx_set_mat_col(LPX *lp, int j, int len, int ind[], double val[]); **/
SEXP R_lpx_set_mat_col(SEXP lp, SEXP j, SEXP len, SEXP ind, SEXP val)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_mat_col(R_ExternalPtrAddr(lp), INTEGER_VALUE(j), INTEGER_VALUE(len), &(INTEGER_POINTER(ind)[-1]), &(NUMERIC_POINTER(val)[-1]));
end:
return ret;
}
/** glpk api: void lpx_load_matrix(LPX *lp, int ne, int ia[], int ja[], double ar[]); **/
SEXP R_lpx_load_matrix(SEXP lp, SEXP ne, SEXP ia, SEXP ja, SEXP ar)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_load_matrix(R_ExternalPtrAddr(lp), INTEGER_VALUE(ne), &(INTEGER_POINTER(ia)[-1]), &(INTEGER_POINTER(ja)[-1]), &(NUMERIC_POINTER(ar)[-1]));
end:
return ret;
}
/** glpk api: void lpx_order_matrix(LPX *lp); **/
SEXP R_lpx_order_matrix(SEXP lp)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_order_matrix(R_ExternalPtrAddr(lp));
end:
return ret;
}
/** glpk api: void lpx_set_rii(LPX *lp, int i, double rii); **/
SEXP R_lpx_set_rii(SEXP lp, SEXP i, SEXP rii)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_rii(R_ExternalPtrAddr(lp), INTEGER_VALUE(i), NUMERIC_VALUE(rii));
end:
return ret;
}
/** glpk api: void lpx_set_sjj(LPX *lp, int j, double sjj); **/
SEXP R_lpx_set_sjj(SEXP lp, SEXP j, SEXP sjj)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_sjj(R_ExternalPtrAddr(lp), INTEGER_VALUE(j), NUMERIC_VALUE(sjj));
end:
return ret;
}
/** glpk api: void lpx_set_row_stat(LPX *lp, int i, int stat); **/
SEXP R_lpx_set_row_stat(SEXP lp, SEXP i, SEXP stat)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_row_stat(R_ExternalPtrAddr(lp), INTEGER_VALUE(i), INTEGER_VALUE(stat));
end:
return ret;
}
/** glpk api: void lpx_set_col_stat(LPX *lp, int j, int stat); **/
SEXP R_lpx_set_col_stat(SEXP lp, SEXP j, SEXP stat)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_set_col_stat(R_ExternalPtrAddr(lp), INTEGER_VALUE(j), INTEGER_VALUE(stat));
end:
return ret;
}
/** glpk api: void lpx_del_rows(LPX *lp, int nrs, int num[]); **/
SEXP R_lpx_del_rows(SEXP lp, SEXP nrs, SEXP num)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_del_rows(R_ExternalPtrAddr(lp), INTEGER_VALUE(nrs), &(INTEGER_POINTER(num)[-1]));
end:
return ret;
}
/** glpk api: void lpx_del_cols(LPX *lp, int ncs, int num[]); **/
SEXP R_lpx_del_cols(SEXP lp, SEXP ncs, SEXP num)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_del_cols(R_ExternalPtrAddr(lp), INTEGER_VALUE(ncs), &(INTEGER_POINTER(num)[-1]));
end:
return ret;
}
/** glpk api: void lpx_create_index(LPX *lp); **/
SEXP R_lpx_create_index(SEXP lp)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_create_index(R_ExternalPtrAddr(lp));
end:
return ret;
}
/** glpk api: int lpx_find_row(LPX *lp, char *name); **/
SEXP R_lpx_find_row(SEXP lp, SEXP name)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_find_row(R_ExternalPtrAddr(lp), CHARACTER_VALUE(name));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_find_col(LPX *lp, char *name); **/
SEXP R_lpx_find_col(SEXP lp, SEXP name)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_find_col(R_ExternalPtrAddr(lp), CHARACTER_VALUE(name));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: void lpx_delete_index(LPX *lp); **/
SEXP R_lpx_delete_index(SEXP lp)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_delete_index(R_ExternalPtrAddr(lp));
end:
return ret;
}
/** glpk api: void lpx_put_ray_info(LPX *lp, int k); **/
SEXP R_lpx_put_ray_info(SEXP lp, SEXP k)
{
SEXP ret = R_NilValue;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
lpx_put_ray_info(R_ExternalPtrAddr(lp), INTEGER_VALUE(k));
end:
return ret;
}
/** glpk api: char *lpx_get_prob_name(LPX *lp); **/
SEXP R_lpx_get_prob_name(SEXP lp)
{
SEXP ret = R_NilValue;
char * xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_prob_name(R_ExternalPtrAddr(lp));
if (xret)
{
PROTECT(ret = NEW_CHARACTER(1));
SET_STRING_ELT(ret, 0, mkChar(xret));
UNPROTECT(1);
}
end:
return ret;
}
/** glpk api: int lpx_get_class(LPX *lp); **/
SEXP R_lpx_get_class(SEXP lp)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_class(R_ExternalPtrAddr(lp));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: char *lpx_get_obj_name(LPX *lp); **/
SEXP R_lpx_get_obj_name(SEXP lp)
{
SEXP ret = R_NilValue;
char * xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_obj_name(R_ExternalPtrAddr(lp));
if (xret)
{
PROTECT(ret = NEW_CHARACTER(1));
SET_STRING_ELT(ret, 0, mkChar(xret));
UNPROTECT(1);
}
end:
return ret;
}
/** glpk api: int lpx_get_obj_dir(LPX *lp); **/
SEXP R_lpx_get_obj_dir(SEXP lp)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_obj_dir(R_ExternalPtrAddr(lp));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_num_rows(LPX *lp); **/
SEXP R_lpx_get_num_rows(SEXP lp)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_num_rows(R_ExternalPtrAddr(lp));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_num_cols(LPX *lp); **/
SEXP R_lpx_get_num_cols(SEXP lp)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_num_cols(R_ExternalPtrAddr(lp));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_num_int(LPX *lp); **/
SEXP R_lpx_get_num_int(SEXP lp)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_num_int(R_ExternalPtrAddr(lp));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_num_bin(LPX *lp); **/
SEXP R_lpx_get_num_bin(SEXP lp)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_num_bin(R_ExternalPtrAddr(lp));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: char *lpx_get_row_name(LPX *lp, int i); **/
SEXP R_lpx_get_row_name(SEXP lp, SEXP i)
{
SEXP ret = R_NilValue;
char * xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_row_name(R_ExternalPtrAddr(lp), INTEGER_VALUE(i));
if (xret)
{
PROTECT(ret = NEW_CHARACTER(1));
SET_STRING_ELT(ret, 0, mkChar(xret));
UNPROTECT(1);
}
end:
return ret;
}
/** glpk api: char *lpx_get_col_name(LPX *lp, int j); **/
SEXP R_lpx_get_col_name(SEXP lp, SEXP j)
{
SEXP ret = R_NilValue;
char * xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_col_name(R_ExternalPtrAddr(lp), INTEGER_VALUE(j));
if (xret)
{
PROTECT(ret = NEW_CHARACTER(1));
SET_STRING_ELT(ret, 0, mkChar(xret));
UNPROTECT(1);
}
end:
return ret;
}
/** glpk api: int lpx_get_col_kind(LPX *lp, int j); **/
SEXP R_lpx_get_col_kind(SEXP lp, SEXP j)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_col_kind(R_ExternalPtrAddr(lp), INTEGER_VALUE(j));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_row_type(LPX *lp, int i); **/
SEXP R_lpx_get_row_type(SEXP lp, SEXP i)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_row_type(R_ExternalPtrAddr(lp), INTEGER_VALUE(i));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: double lpx_get_row_lb(LPX *lp, int i); **/
SEXP R_lpx_get_row_lb(SEXP lp, SEXP i)
{
SEXP ret = R_NilValue;
double xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_row_lb(R_ExternalPtrAddr(lp), INTEGER_VALUE(i));
PROTECT(ret = NEW_NUMERIC(1));
NUMERIC_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: double lpx_get_row_ub(LPX *lp, int i); **/
SEXP R_lpx_get_row_ub(SEXP lp, SEXP i)
{
SEXP ret = R_NilValue;
double xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_row_ub(R_ExternalPtrAddr(lp), INTEGER_VALUE(i));
PROTECT(ret = NEW_NUMERIC(1));
NUMERIC_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_col_type(LPX *lp, int j); **/
SEXP R_lpx_get_col_type(SEXP lp, SEXP j)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_col_type(R_ExternalPtrAddr(lp), INTEGER_VALUE(j));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: double lpx_get_col_lb(LPX *lp, int j); **/
SEXP R_lpx_get_col_lb(SEXP lp, SEXP j)
{
SEXP ret = R_NilValue;
double xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_col_lb(R_ExternalPtrAddr(lp), INTEGER_VALUE(j));
PROTECT(ret = NEW_NUMERIC(1));
NUMERIC_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: double lpx_get_col_ub(LPX *lp, int j); **/
SEXP R_lpx_get_col_ub(SEXP lp, SEXP j)
{
SEXP ret = R_NilValue;
double xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_col_ub(R_ExternalPtrAddr(lp), INTEGER_VALUE(j));
PROTECT(ret = NEW_NUMERIC(1));
NUMERIC_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: double lpx_get_obj_coef(LPX *lp, int j); **/
SEXP R_lpx_get_obj_coef(SEXP lp, SEXP j)
{
SEXP ret = R_NilValue;
double xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_obj_coef(R_ExternalPtrAddr(lp), INTEGER_VALUE(j));
PROTECT(ret = NEW_NUMERIC(1));
NUMERIC_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_num_nz(LPX *lp); **/
SEXP R_lpx_get_num_nz(SEXP lp)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_num_nz(R_ExternalPtrAddr(lp));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** R-specifc routine for in-out parameters **/
typedef int (*GetVecLen) (LPX *lp);
typedef int (*GetVec) (LPX *lp, int i, int ind[], double val[]);
static SEXP
get_mat_vector(SEXP lp, SEXP i, GetVecLen get_vec_len, GetVec get_vec)
{
int len, xret = 0;
SEXP n, ind, val, names, listret = R_NilValue;
R_LPX_TYPE_CHECK(lp);
len = get_vec_len(R_ExternalPtrAddr(lp));
PROTECT(ind = NEW_INTEGER(len));
PROTECT(val = NEW_NUMERIC(len));
if (!R_glpk_setjmp())
{
xret = get_vec(R_ExternalPtrAddr(lp),
INTEGER_VALUE(i),
&(INTEGER_POINTER(ind)[-1]),
&(NUMERIC_POINTER(val)[-1]));
if (xret)
{
PROTECT(n = NEW_INTEGER(1));
INTEGER_POINTER(n)[0] = xret;
PROTECT(names = NEW_CHARACTER(3));
SET_ELEMENT(names, 0, mkChar("n"));
SET_ELEMENT(names, 1, mkChar("ind"));
SET_ELEMENT(names, 2, mkChar("val"));
PROTECT(listret = NEW_LIST(3));
SET_ELEMENT(listret, 0, n);
SET_ELEMENT(listret, 1, ind);
SET_ELEMENT(listret, 2, val);
SET_NAMES(listret, names);
UNPROTECT(3);
}
}
UNPROTECT(2);
return listret;
}
/** glpk api: int lpx_get_mat_row(LPX *lp, int i, int ind[], double val[]); **/
SEXP R_lpx_get_mat_row(SEXP lp, SEXP i)
{
return get_mat_vector(lp, i, lpx_get_num_rows, lpx_get_mat_row);
}
/** glpk api: int lpx_get_mat_col(LPX *lp, int j, int ind[], double val[]); **/
SEXP R_lpx_get_mat_col(SEXP lp, SEXP j)
{
return get_mat_vector(lp, j, lpx_get_num_cols, lpx_get_mat_col);
}
/** glpk api: double lpx_get_rii(LPX *lp, int i); **/
SEXP R_lpx_get_rii(SEXP lp, SEXP i)
{
SEXP ret = R_NilValue;
double xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_rii(R_ExternalPtrAddr(lp), INTEGER_VALUE(i));
PROTECT(ret = NEW_NUMERIC(1));
NUMERIC_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: double lpx_get_sjj(LPX *lp, int j); **/
SEXP R_lpx_get_sjj(SEXP lp, SEXP j)
{
SEXP ret = R_NilValue;
double xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_sjj(R_ExternalPtrAddr(lp), INTEGER_VALUE(j));
PROTECT(ret = NEW_NUMERIC(1));
NUMERIC_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_is_b_avail(LPX *lp); **/
SEXP R_lpx_is_b_avail(SEXP lp)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_is_b_avail(R_ExternalPtrAddr(lp));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_b_info(LPX *lp, int i); **/
SEXP R_lpx_get_b_info(SEXP lp, SEXP i)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_b_info(R_ExternalPtrAddr(lp), INTEGER_VALUE(i));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_row_b_ind(LPX *lp, int i); **/
SEXP R_lpx_get_row_b_ind(SEXP lp, SEXP i)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_row_b_ind(R_ExternalPtrAddr(lp), INTEGER_VALUE(i));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_col_b_ind(LPX *lp, int j); **/
SEXP R_lpx_get_col_b_ind(SEXP lp, SEXP j)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_col_b_ind(R_ExternalPtrAddr(lp), INTEGER_VALUE(j));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_status(LPX *lp); **/
SEXP R_lpx_get_status(SEXP lp)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_status(R_ExternalPtrAddr(lp));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_prim_stat(LPX *lp); **/
SEXP R_lpx_get_prim_stat(SEXP lp)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_prim_stat(R_ExternalPtrAddr(lp));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_dual_stat(LPX *lp); **/
SEXP R_lpx_get_dual_stat(SEXP lp)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_dual_stat(R_ExternalPtrAddr(lp));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: double lpx_get_obj_val(LPX *lp); **/
SEXP R_lpx_get_obj_val(SEXP lp)
{
SEXP ret = R_NilValue;
double xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_obj_val(R_ExternalPtrAddr(lp));
PROTECT(ret = NEW_NUMERIC(1));
NUMERIC_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: int lpx_get_row_stat(LPX *lp, int i); **/
SEXP R_lpx_get_row_stat(SEXP lp, SEXP i)
{
SEXP ret = R_NilValue;
int xret = 0;
R_LPX_CHECK(lp);
if (R_glpk_setjmp()) goto end;
xret = lpx_get_row_stat(R_ExternalPtrAddr(lp), INTEGER_VALUE(i));
PROTECT(ret = NEW_INTEGER(1));
INTEGER_POINTER(ret)[0] = xret;
UNPROTECT(1);
end:
return ret;
}
/** glpk api: double lpx_get_row_prim(LPX *lp, int i); **/
SEXP R_lpx_get_row_prim(SEXP lp, SEXP i)
{
SEXP ret = R_NilValue;
double xret = 0;