1 files changed, 14 insertions, 0 deletions
diff --git a/tests/matrix_test.py b/tests/matrix_test.py
index 412acf9..bc4115e 100644
--- a/tests/matrix_test.py
+++ b/tests/matrix_test.py
@@ -34,6 +34,7 @@ matrixsubequalsfloat = mod.get_function('matrixsubequalsfloat')
 matrixmulequalsfloat = mod.get_function('matrixmulequalsfloat')
 matrixdivequalsfloat = mod.get_function('matrixdivequalsfloat')
 outer = mod.get_function('outer')
+minusmatrix = mod.get_function('minusmatrix')
 
 size = {'block': (1,1,1), 'grid': (1,1)}
 
@@ -308,3 +309,16 @@ for i in range(1):
         print dest
     else:
         print 'success'
+
+    print 'testing minus matrix...',
+
+    dest = np.copy(a)
+
+    minusmatrix(cuda.In(a), cuda.Out(dest), **size)
+
+    if not np.allclose(-a, dest):
+        print 'fail'
+        print -a
+        print dest
+    else:
+        print 'success'