Merge branch 'stable' into release-v0.23.x

# Conflicts:
#	azure-pipelines.yml
#	doc/conf.py
#	numina/array/bpm.cpp
#	numina/array/clippix.c
#	numina/array/peaks/kernels.c
#	numina/array/trace/extract.cpp
#	numina/array/trace/traces.cpp
#	numina/version.py
#	src/nirproc.cpp

numina/array/tests/test_ramp_cy.py

@@ -1,5 +1,5 @@
 #
-# Copyright 2008-2014 Universidad Complutense de Madrid
+# Copyright 2008-2018 Universidad Complutense de Madrid
 #
 # This file is part of Numina
 #
@@ -288,5 +288,23 @@ def test_suite():
     suite.addTest(unittest.makeSuite(FollowUpTheRampTestCase))
     return suite
 
+
+def test_simple():
+
+    a = numpy.ones((1,1))
+    base = 2400 * numpy.ones((1, 1))
+    n = 5
+    slope = 2.8
+    cube = numpy.empty((n,1,1))
+    dt = 0.1
+    # times are: [i * dt]
+    for i in range(n):
+        cube[i] = base + slope * dt * a * i
+
+    m = ramp_array(cube, ti=dt*(n-1))
+
+    assert numpy.allclose(m[0][0,0], slope)
+
+
 if __name__ == '__main__':
     unittest.main(defaultTest='test_suite')

numina/types/datatype.py

@@ -95,6 +95,18 @@ def validate(self, obj):
         return True
 
 
+class AnyType(DataType):
+    """Type representing anything"""
+    def __init__(self):
+        super(AnyType, self).__init__(ptype=self.__class__)
+
+    def convert(self, obj):
+        return obj
+
+    def validate(self, obj):
+        return True
+
+
 class NullType(DataType):
     """Data type for None."""
     def __init__(self):