added files for ambiguity testing

setup.py

@@ -131,7 +131,8 @@ def make_extension(ext_name):
     'swiftnav.float_kf',
     'swiftnav.gpstime',
     'swiftnav.single_diff',
-    'swiftnav.dgnss_management'
+    'swiftnav.dgnss_management',
+    'swiftnav.ambiguity_test'
   ]
 
   extensions = [make_extension(name) for name in ext_names]

swiftnav/ambiguity_test.pyx

@@ -0,0 +1,13 @@
+# Copyright (C) 2014 Swift Navigation Inc.
+#
+# This source is subject to the license found in the file 'LICENSE' which must
+# be be distributed together with this source. All other rights reserved.
+#
+# THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
+# EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
+
+cimport ambiguity_test_c
+
+def bork(foo):
+  print foo

swiftnav/ambiguity_test_c.pxd

@@ -0,0 +1,20 @@
+# Copyright (C) 2014 Swift Navigation Inc.
+#
+# This source is subject to the license found in the file 'LICENSE' which must
+# be be distributed together with this source. All other rights reserved.
+#
+# THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
+# EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
+
+
+from common cimport *
+
+cdef extern from "libswiftnav/ambiguity_test.h":
+  ctypedef struct residual_mtxs_t:
+    u32 res_dim
+    u8 null_space_dim
+    double *null_projector
+    double *res_cov_inverse
+
+  void assign_phase_obs_null_basis(u8 num_sats, double *DE_mtx, double *q)