Implements mutation & copy for rpnepxr

python_rpnexpr.h

@@ -22,12 +22,14 @@
 #include "config.h"
 
 #include <errno.h>
+#include <float.h>
 
 #define PY_SSIZE_T_CLEAN
 #include <Python.h>
 #include "structmember.h"
 
 #include "rpn_jit.h"
+#include "python_const.h"
 
 /**@defgroup python_type RPNExpr Python class
  * @brief Exposed Python class : RPNExpr
@@ -134,6 +136,14 @@ PyObject* rpnexpr_getstate(PyObject *self, PyObject *noargs);
  */
 PyObject* rpnexpr_setstate(PyObject *cls, PyObject *state);
 
+/**@brief RPNExpr __copy__ method for cloning
+ * @param self RPNExpr instance
+ * @param noargs Not an argument...
+ * @return A new cloned instance
+ * @ref rpnexpr_setstate
+ */
+PyObject* rpnexpr_copy(PyObject *cls, PyObject *noargs);
+
 /**@brief Eval an RPN expression given arguments and return the
  * value
  * @param self RPNExpr instance
@@ -144,6 +154,13 @@ PyObject* rpnexpr_setstate(PyObject *cls, PyObject *state);
  */
 PyObject* rpnexpr_eval(PyObject* self, PyObject** argv, Py_ssize_t argc);
 
+/**@brief Mutate an RPN expression given arguments and return the value
+ * @param PyObject* RPNExpr instance
+ * @param PyObject* Positionnal arguments
+ * @param PyObject* Keyword arguments
+ */
+PyObject* rpnexpr_mutate(PyObject* self, PyObject *args, PyObject *kwds);
+
 /**@brief Set all stack item to zero
  * @param self RPNExpr instance
  * @param noargs Dummy argument for METH_NOARG
@@ -172,4 +189,19 @@ PyObject* rpnexpr_str(PyObject *self);
  */
 PyObject* rpnexpr_random(PyObject *cls, PyObject *args, PyObject *kwds);
 
+/**@brief Return a new named tuple containing default mutation parameters
+ * @param PyObject* The class (class method)
+ * @param PyObject** The arguments (FASTCALL)
+ * @param Py_ssize_t The number of arguments
+ * @return The named tuple
+ */
+PyObject* rpnexpr_default_mutation_params(PyObject *cls, PyObject **argv, Py_ssize_t argc);
+
+/**@brief Try to convert a python object into a rpn_mutation_params_t
+ * @param PyObject* The python object
+ * @param rpn_mutation_params_t A pointer on the parameters to initialize
+ * @return -1 on failure and raise an exception
+ */
+int rpnexpr_pyobj_to_mutation_params(PyObject* py_params, rpn_mutation_params_t *params);
+
 #endif