succeeding in passing a numpy matrix to c++

Author: AshleySetter

KalmanFilterC/CythonExample.cpp

@@ -0,0 +1,33 @@
+cdef extern from "cpp_test.h":
+    cdef cppclass Test:
+        Test()
+        Test(int test1)
+        int test1
+        int returnFive()
+        Test add "operator+"(Test other)
+        Test sub "operator-"(Test other)
+
+cdef class pyTest:
+    cdef Test* thisptr # hold a C++ instance
+    def __cinit__(self, int test1):
+        self.thisptr = new Test(test1)
+    def __dealloc__(self):
+        del self.thisptr
+
+    def __add__(pyTest left, pyTest other):
+        cdef Test t = left.thisptr.add(other.thisptr[0])
+        cdef pyTest tt = pyTest(t.test1)
+        return tt
+    def __sub__(pyTest left, pyTest other):
+        cdef Test t = left.thisptr.sub(other.thisptr[0])
+        cdef pyTest tt = pyTest(t.test1)
+        return tt
+
+    def __repr__(self):
+        return "pyTest[%s]" % (self.thisptr.test1)
+
+    def returnFive(self):
+        return self.thisptr.returnFive()
+
+    def printMe(self):
+        return "hello world"