Bugfix + adds python_if.* files

python_if.c

@@ -0,0 +1,8 @@
+#include "python_if.h"
+
+int rpnexpr_init(PyObject *self, PyObject *args, PyObject *kwds)
+{
+	/**@todo Need a C function returning RPNExpr (or must take
+	RPNExpr as arguments... */
+}
+

python_if.h

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2020 Weber Yann
+ * 
+ * This file is part of pyrpn.
+ * 
+ * pyrpn is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ * 
+ * pyrpn is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with pyrpn.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _PYTHON_IF_H__
+#define _PYTHON_IF_H__
+
+#include "config.h"
+
+#include <errno.h>
+
+#define PY_SSIZE_T_CLEAN
+#include <Python.h>
+#include "structmember.h"
+
+#include "rpn_if.h"
+#incdlue "pyton_rpnexpr.h"
+
+/**@defgroup python_if RPN Iterated Function Python class
+ * @ingroup python_module
+ * @brief Exposed Python class : RPNIterExpr
+ *
+ * Iterated expression are composed of RPN expressions, they are able to
+ * iterate taking their parameters from a memory array and setting back values
+ * in it on each iteration.
+ *
+ * @see ifs_if
+ */
+
+/**@file python_if.h
+ * @brief Python RPNIterExpr type headers
+ * @ingroup python_if
+ *
+ * This file is the header of the RPNIterExpr Python class
+ */
+
+/**@brief RPNIterExpr Python class methods list
+ * @ingroup python_if */
+extern PyMethodDef RPNIterExpr_methods[];
+/**@brief RPNIterExpr Python class members list
+ * @ingroup python_if */
+extern PyMemberDef RPNIterExpr_members[];
+/**@brief RPNIterExpr Python class type definition
+ * @ingroup python_if */
+extern PyTypeObject RPNIterExprType;
+
+/**@brief Structure holding RPNIterExpr objects
+ * @ingroup python_if */
+typedef struct
+{
+	PyObject_VAR_HEAD;
+	
+	/**@brief Pointer on @ref rpn_if_s */
+	rpn_if_t *rif;
+} PyRPNIterExpr_t;
+
+/**@brief RpnIterExpr constructor
+ * @param self New RPNExpr instance
+ * @param args Positional arguments list
+ * @param kwds Keywords arguments dict
+ * @return 0 if no error else -1
+ * @ingroup python_if
+ */
+int rpnexpr_init(PyObject *self, PyObject *args, PyObject *kwds);
+
+#endif
+

rpn_ifs.c

@@ -107,3 +107,43 @@ size_t rpn_ifs_add_if(rpn_ifs_t *rifs, unsigned int weight)
 	return res;
 }
 
+int rpn_ifs_del_if(rpn_ifs_t *rifs, size_t if_idx)
+{
+	size_t sz_mv;
+#ifdef DEBUG
+	if(if_idx >= rifs->if_sz)
+	{
+		dprintf(2, "Error, wrong IF index given when attempt to delete from IFS");
+		errno = EINVAL;
+		return -1;
+	}
+#endif
+
+	rpn_if_free(rifs->rpn_if[rifs->if_sz - 1]);
+	if(if_idx < rifs->if_sz - 1)
+	{
+		sz_mv = rifs->if_sz - if_idx;
+		memmove(rifs->rpn_if + if_idx, rifs->rpn_if + if_idx + 1, sz_mv);
+		memmove(rifs->weight + if_idx, rifs->weight + if_idx + 1, sz_mv);
+	}
+
+	rifs->if_sz--;
+	rifs->flat_sz -= rifs->params.rpn_sz;
+	return 0;
+}
+
+int rpn_ifs_weight_update(rpn_ifs_t *rifs)
+{
+	return 1;
+}
+
+rpn_expr_t **rpn_ifs_flat_rpn(rpn_ifs_t *rifs)
+{
+	return NULL;
+}
+
+int rpn_ifs_step(rpn_ifs_t *rifs)
+{
+	return 1;
+}
+

rpn_ifs.h

@@ -21,6 +21,8 @@
 
 #include "config.h"
 
+#include <string.h>
+
 #include "rpn_jit.h"
 #include "rpn_if.h"
 
@@ -101,6 +103,7 @@ size_t rpn_ifs_add_if(rpn_ifs_t *rifs, unsigned int weight);
  * @param rifs The iterated function system
  * @param if_idx The iterated function index in the system
  * @return -1 if error else 0
+ * @note Update sizes but do not calls realloc
  */
 int rpn_ifs_del_if(rpn_ifs_t *rifs, size_t if_idx);