Fixed bugs in the C code; fixed name of the module in setup.cfg and i…

…n funcoitn that loads modules in C.

.gitignore

@@ -36,6 +36,9 @@ var/
 pip-log.txt
 pip-delete-this-directory.txt
 
+# VIM swp files
+*.swp
+
 # Unit test / coverage reports
 htmlcov/
 .tox/

setup.py

@@ -6,7 +6,7 @@
 setup(
     ext_modules=[
         Extension(
-            'permanentbis.permanent', ['./src/permanent.c'],
+            'permanentbis', ['./src/permanent.c'],
             extra_compile_args=["-Ofast", "-march=native"],
             include_dirs=[numpy.get_include()]),
     ],

src/npy_util.h

@@ -50,7 +50,7 @@ void complex_inc(npy_complex128 *a, npy_complex128 b) {
       ((double *)a)[1] = cimag(tmp);
       return; 
     #else /* !defined(_MSC_VER) */
-      *a *= b;
+      *a += b;
     #endif
     return;
 }

src/permanent.c

@@ -10,25 +10,25 @@ static PyObject *permanent(PyObject *self, PyObject *args);
 
 // Method list
 static PyMethodDef methods[] = {                                
-  { "permanentbis", permanent, METH_VARARGS, "Computes the permanent of a numpy using the most appropriate method available"},
+  { "permanent", permanent, METH_VARARGS, "Computes the permanent of a numpy using the most appropriate method available"},
   { NULL, NULL, 0, NULL } // Sentinel
 };
 
 
 #if PY_MAJOR_VERSION >= 3
 static struct PyModuleDef cModPyDem =
 {
-    PyModuleDef_HEAD_INIT,
-    "permanentbis", "Computes the permanent of a numpy using the most appropriate method available",
-    -1,
-    methods
+  PyModuleDef_HEAD_INIT,
+  "permanentbis", "Computes the permanent of a numpy using the most appropriate method available",
+  -1,
+  methods
 };
 
 PyMODINIT_FUNC
-PyInit_permanent(void)
+PyInit_permanentbis(void)
 {
-    import_array();
-    return PyModule_Create(&cModPyDem);
+  import_array();
+  return PyModule_Create(&cModPyDem);
 }
 
 #else

tests/test_permanent.py

@@ -1,11 +1,12 @@
 import numpy as np
-from permanentbis.permanent import permanent
+from permanentbis import permanent
 import pytest
 
 
 def test_permanent():
     """ Test that basic functions work right """
     m = np.eye(10, dtype=complex)
+    print(permanent(m))
     assert permanent(m) == 1
     m = np.zeros((10, 10), dtype=complex)
     assert permanent(m) == 0