From b97c952a5aaa76fb27eac09fb3dc6c755a55cc11 Mon Sep 17 00:00:00 2001
From: Andre Anjos <andre.dos.anjos@gmail.com>
Date: Wed, 11 Dec 2013 17:59:59 +0100
Subject: [PATCH] Finalize porting of all bob.measure bindings
---
xbob/measure/main.cpp | 57 ++++++++++++++++++++++++++++++++++++-------
1 file changed, 48 insertions(+), 9 deletions(-)
diff --git a/xbob/measure/main.cpp b/xbob/measure/main.cpp
index 8589f07..1d23043 100644
--- a/xbob/measure/main.cpp
+++ b/xbob/measure/main.cpp
@@ -890,18 +890,51 @@ static PyObject* rocch2eer(PyObject*, PyObject* args, PyObject* kwds) {
}
-/**
-void bind_measure_error() {
+PyDoc_STRVAR(s_roc_for_far_str, "roc_for_far");
+PyDoc_STRVAR(s_roc_for_far_doc,
+"roc_for_far(negatives, positives, far_list) -> array\n\
+\n\
+Calculates the ROC curve given a set of positive and negative\n\
+scores and the FAR values for which the CAR should be computed.\n\
+The resulting ROC curve holds a copy of the given FAR values (row\n\
+0), and the corresponding FRR values (row 1).\n\
+");
+
+static PyObject* roc_for_far(PyObject*, PyObject* args, PyObject* kwds) {
+
+ /* Parses input arguments in a single shot */
+ static const char* const_kwlist[] = {
+ "negatives",
+ "positives",
+ "far_list",
+ 0 /* Sentinel */
+ };
+ static char** kwlist = const_cast<char**>(const_kwlist);
- def(
- "roc_for_far",
- &bob_roc_for_far,
- (arg("negatives"), arg("positives"), arg("far_list")),
- "Calculates the ROC curve given a set of positive and negative scores and the FAR values for which the CAR should be computed. The resulting ROC curve holds a copy of the given FAR values (row 0), and the corresponding FRR values (row 1)."
- );
+ PyBlitzArrayObject* neg = 0;
+ PyBlitzArrayObject* pos = 0;
+ PyBlitzArrayObject* list = 0;
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwds, "O&O&O&",
+ kwlist,
+ &double1d_converter, &neg,
+ &double1d_converter, &pos,
+ &double1d_converter, &list
+ )) return 0;
+
+ auto result = bob::measure::roc_for_far(
+ *PyBlitzArrayCxx_AsBlitz<double,1>(neg),
+ *PyBlitzArrayCxx_AsBlitz<double,1>(pos),
+ *PyBlitzArrayCxx_AsBlitz<double,1>(list)
+ );
+
+ Py_DECREF(neg);
+ Py_DECREF(pos);
+ Py_DECREF(list);
+
+ return reinterpret_cast<PyObject*>(PyBlitzArrayCxx_NewFromArray(result));
}
-**/
static PyMethodDef library_methods[] = {
{
@@ -1012,6 +1045,12 @@ static PyMethodDef library_methods[] = {
METH_VARARGS|METH_KEYWORDS,
s_rocch2eer_doc
},
+ {
+ s_roc_for_far_str,
+ (PyCFunction)roc_for_far,
+ METH_VARARGS|METH_KEYWORDS,
+ s_roc_for_far_doc
+ },
{0} /* Sentinel */
};
--
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