def testBlending(self):
"""
Test the blend functions
"""
console.terse("{0}\n".format(self.testBlending.__doc__))
u = .25
s = .75
steps = 10
u = abs(u)
s = abs(s)
steps = abs(steps)
span = u + s
ss = span / steps
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend0(d,u,s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.0),
(-1.0, 0.0),
(-0.9, 0.133),
(-0.8, 0.267),
(-0.7, 0.4),
(-0.6, 0.533),
(-0.5, 0.667),
(-0.4, 0.8),
(-0.3, 0.933),
(-0.2, 1.0),
(-0.1, 1.0),
(0.0, 1.0),
(0.1, 1.0),
(0.2, 1.0),
(0.3, 0.933),
(0.4, 0.8),
(0.5, 0.667),
(0.6, 0.533),
(0.7, 0.4),
(0.8, 0.267),
(0.9, 0.133),
(1.0, 0.0),
(1.1, 0.0)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend1(d,u,s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 1.0),
(-1.0, 1.0),
(-0.9, 1.0),
(-0.8, 1.0),
(-0.7, 1.0),
(-0.6, 1.0),
(-0.5, 1.0),
(-0.4, 1.0),
(-0.3, 1.0),
(-0.2, 1.0),
(-0.1, 0.564),
(0.0, 0.0),
(0.1, 0.564),
(0.2, 1.0),
(0.3, 1.0),
(0.4, 1.0),
(0.5, 1.0),
(0.6, 1.0),
(0.7, 1.0),
(0.8, 1.0),
(0.9, 1.0),
(1.0, 1.0),
(1.1, 1.0)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend2(d,u,s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 1.0),
(-1.0, 1.0),
(-0.9, 1.0),
(-0.8, 1.0),
(-0.7, 0.997),
(-0.6, 0.987),
(-0.5, 0.95),
(-0.4, 0.853),
(-0.3, 0.66),
(-0.2, 0.381),
(-0.1, 0.113),
(0.0, 0.0),
(0.1, 0.113),
(0.2, 0.381),
(0.3, 0.66),
(0.4, 0.853),
(0.5, 0.95),
(0.6, 0.987),
(0.7, 0.997),
(0.8, 1.0),
(0.9, 1.0),
(1.0, 1.0),
(1.1, 1.0)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend3(d,u,s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.996),
(-1.0, 0.99),
(-0.9, 0.976),
(-0.8, 0.947),
(-0.7, 0.895),
(-0.6, 0.809),
(-0.5, 0.684),
(-0.4, 0.521),
(-0.3, 0.339),
(-0.2, 0.168),
(-0.1, 0.045),
(0.0, 0.0),
(0.1, 0.045),
(0.2, 0.168),
(0.3, 0.339),
(0.4, 0.521),
(0.5, 0.684),
(0.6, 0.809),
(0.7, 0.895),
(0.8, 0.947),
(0.9, 0.976),
(1.0, 0.99),
(1.1, 0.996)])
def testBlending(self):
"""
Test the blend functions
"""
console.terse("{0}\n".format(self.testBlending.__doc__))
u = .25
s = .75
steps = 10
u = abs(u)
s = abs(s)
steps = abs(steps)
span = u + s
ss = span / steps
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend0(d, u, s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.0), (-1.0, 0.0), (-0.9, 0.133),
(-0.8, 0.267), (-0.7, 0.4), (-0.6, 0.533),
(-0.5, 0.667), (-0.4, 0.8), (-0.3, 0.933),
(-0.2, 1.0),
(-0.1, 1.0), (0.0, 1.0), (0.1, 1.0), (0.2, 1.0),
(0.3, 0.933), (0.4, 0.8), (0.5, 0.667),
(0.6, 0.533), (0.7, 0.4), (0.8, 0.267),
(0.9, 0.133), (1.0, 0.0), (1.1, 0.0)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend1(d, u, s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 1.0), (-1.0, 1.0), (-0.9, 1.0),
(-0.8, 1.0), (-0.7, 1.0), (-0.6, 1.0),
(-0.5, 1.0), (-0.4, 1.0), (-0.3, 1.0),
(-0.2, 1.0), (-0.1, 0.564), (0.0, 0.0),
(0.1, 0.564), (0.2, 1.0), (0.3, 1.0),
(0.4, 1.0), (0.5, 1.0), (0.6, 1.0), (0.7, 1.0),
(0.8, 1.0), (0.9, 1.0), (1.0, 1.0), (1.1, 1.0)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend2(d, u, s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 1.0), (-1.0, 1.0), (-0.9, 1.0),
(-0.8, 1.0), (-0.7, 0.997), (-0.6, 0.987),
(-0.5, 0.95), (-0.4, 0.853), (-0.3, 0.66),
(-0.2, 0.381), (-0.1, 0.113), (0.0, 0.0),
(0.1, 0.113), (0.2, 0.381), (0.3, 0.66),
(0.4, 0.853), (0.5, 0.95), (0.6, 0.987),
(0.7, 0.997), (0.8, 1.0), (0.9, 1.0),
(1.0, 1.0), (1.1, 1.0)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend3(d, u, s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.996), (-1.0, 0.99), (-0.9, 0.976),
(-0.8, 0.947), (-0.7, 0.895), (-0.6, 0.809),
(-0.5, 0.684), (-0.4, 0.521), (-0.3, 0.339),
(-0.2, 0.168), (-0.1, 0.045), (0.0, 0.0),
(0.1, 0.045), (0.2, 0.168), (0.3, 0.339),
(0.4, 0.521), (0.5, 0.684), (0.6, 0.809),
(0.7, 0.895), (0.8, 0.947), (0.9, 0.976),
(1.0, 0.99), (1.1, 0.996)])
def testBlending(self):
"""
Test the blend functions
"""
console.terse("{0}\n".format(self.testBlending.__doc__))
u = .25
s = .75
steps = 10
u = abs(u)
s = abs(s)
steps = abs(steps)
span = u + s
ss = span / steps
out = []
for x in range(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend0(d,u,s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.0),
(-1.0, 0.0),
(-0.9, 0.133),
(-0.8, 0.267),
(-0.7, 0.4),
(-0.6, 0.533),
(-0.5, 0.667),
(-0.4, 0.8),
(-0.3, 0.933),
(-0.2, 1.0),
(-0.1, 1.0),
(0.0, 1.0),
(0.1, 1.0),
(0.2, 1.0),
(0.3, 0.933),
(0.4, 0.8),
(0.5, 0.667),
(0.6, 0.533),
(0.7, 0.4),
(0.8, 0.267),
(0.9, 0.133),
(1.0, 0.0),
(1.1, 0.0)])
out = []
for x in range(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend1(d,u,s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 1.0),
(-1.0, 1.0),
(-0.9, 1.0),
(-0.8, 1.0),
(-0.7, 1.0),
(-0.6, 1.0),
(-0.5, 1.0),
(-0.4, 1.0),
(-0.3, 1.0),
(-0.2, 1.0),
(-0.1, 0.564),
(0.0, 0.0),
(0.1, 0.564),
(0.2, 1.0),
(0.3, 1.0),
(0.4, 1.0),
(0.5, 1.0),
(0.6, 1.0),
(0.7, 1.0),
(0.8, 1.0),
(0.9, 1.0),
(1.0, 1.0),
(1.1, 1.0)])
out = []
for x in range(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend2(d,u,s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 1.0),
(-1.0, 1.0),
(-0.9, 1.0),
(-0.8, 1.0),
(-0.7, 0.997),
(-0.6, 0.987),
(-0.5, 0.95),
(-0.4, 0.853),
(-0.3, 0.66),
(-0.2, 0.381),
(-0.1, 0.113),
(0.0, 0.0),
(0.1, 0.113),
(0.2, 0.381),
(0.3, 0.66),
(0.4, 0.853),
(0.5, 0.95),
(0.6, 0.987),
(0.7, 0.997),
(0.8, 1.0),
(0.9, 1.0),
(1.0, 1.0),
(1.1, 1.0)])
out = []
for x in range(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend3(d,u,s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.996),
(-1.0, 0.99),
(-0.9, 0.976),
(-0.8, 0.947),
(-0.7, 0.895),
(-0.6, 0.809),
(-0.5, 0.684),
(-0.4, 0.521),
(-0.3, 0.339),
(-0.2, 0.168),
(-0.1, 0.045),
(0.0, 0.0),
(0.1, 0.045),
(0.2, 0.168),
(0.3, 0.339),
(0.4, 0.521),
(0.5, 0.684),
(0.6, 0.809),
(0.7, 0.895),
(0.8, 0.947),
(0.9, 0.976),
(1.0, 0.99),
(1.1, 0.996)])
out = []
for x in range(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blendSpike(d, u, s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.363),
(-1.0, 0.392),
(-0.9, 0.422),
(-0.8, 0.455),
(-0.7, 0.49),
(-0.6, 0.529),
(-0.5, 0.57),
(-0.4, 0.614),
(-0.3, 0.662),
(-0.2, 0.714),
(-0.1, 0.769),
(0.0, 0.829),
(0.1, 0.894),
(0.2, 0.963),
(0.3, 0.963),
(0.4, 0.894),
(0.5, 0.829),
(0.6, 0.769),
(0.7, 0.714),
(0.8, 0.662),
(0.9, 0.614),
(1.0, 0.57),
(1.1, 0.529)])
out = []
for x in range(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blendSigmoidInc(d, u, s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.266),
(-1.0, 0.281),
(-0.9, 0.297),
(-0.8, 0.313),
(-0.7, 0.329),
(-0.6, 0.346),
(-0.5, 0.363),
(-0.4, 0.38),
(-0.3, 0.398),
(-0.2, 0.416),
(-0.1, 0.435),
(0.0, 0.453),
(0.1, 0.472),
(0.2, 0.491),
(0.3, 0.509),
(0.4, 0.528),
(0.5, 0.547),
(0.6, 0.565),
(0.7, 0.584),
(0.8, 0.602),
(0.9, 0.62),
(1.0, 0.637),
(1.1, 0.654)])
out = []
for x in range(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blendSigmoidDec(d, u, s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.734),
(-1.0, 0.719),
(-0.9, 0.703),
(-0.8, 0.687),
(-0.7, 0.671),
(-0.6, 0.654),
(-0.5, 0.637),
(-0.4, 0.62),
(-0.3, 0.602),
(-0.2, 0.584),
(-0.1, 0.565),
(0.0, 0.547),
(0.1, 0.528),
(0.2, 0.509),
(0.3, 0.491),
(0.4, 0.472),
(0.5, 0.453),
(0.6, 0.435),
(0.7, 0.416),
(0.8, 0.398),
(0.9, 0.38),
(1.0, 0.363),
(1.1, 0.346)])
out = []
for x in range(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blendConcaveInc(d, 0)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.323),
(-1.0, 0.333),
(-0.9, 0.345),
(-0.8, 0.357),
(-0.7, 0.37),
(-0.6, 0.385),
(-0.5, 0.4),
(-0.4, 0.417),
(-0.3, 0.435),
(-0.2, 0.455),
(-0.1, 0.476),
(0.0, 0.5),
(0.1, 0.526),
(0.2, 0.556),
(0.3, 0.588),
(0.4, 0.625),
(0.5, 0.667),
(0.6, 0.714),
(0.7, 0.769),
(0.8, 0.833),
(0.9, 0.909),
(1.0, 1.0),
(1.1, 1.0)])
out = []
for x in range((steps), steps + 20, 1):
d = x * ss
b = blending.blendConcaveDec(d)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(1.0, 1.0),
(1.1, 0.909),
(1.2, 0.833),
(1.3, 0.769),
(1.4, 0.714),
(1.5, 0.667),
(1.6, 0.625),
(1.7, 0.588),
(1.8, 0.556),
(1.9, 0.526),
(2.0, 0.5),
(2.1, 0.476),
(2.2, 0.455),
(2.3, 0.435),
(2.4, 0.417),
(2.5, 0.4),
(2.6, 0.385),
(2.7, 0.37),
(2.8, 0.357),
(2.9, 0.345)])
out = []
for x in range((steps - 5), steps + 15, 1):
d = x * ss
b = blending.blendConcaveCombined(d)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(0.5, 0.5),
(0.6, 0.556),
(0.7, 0.625),
(0.8, 0.714),
(0.9, 0.833),
(1.0, 1.0),
(1.1, 1.0),
(1.2, 1.0),
(1.3, 1.0),
(1.4, 1.0),
(1.5, 1.0),
(1.6, 0.833),
(1.7, 0.714),
(1.8, 0.625),
(1.9, 0.556),
(2.0, 0.5),
(2.1, 0.455),
(2.2, 0.417),
(2.3, 0.385),
(2.4, 0.357)])
out = []
for x in range(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blendTriangular(d, 0)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.0),
(-1.0, 0.0),
(-0.9, 0.0),
(-0.8, 0.0),
(-0.7, 0.0),
(-0.6, 0.0),
(-0.5, 0.0),
(-0.4, 0.0),
(-0.3, 0.0),
(-0.2, 0.0),
(-0.1, 0.0),
(0.0, 0.0),
(0.1, 0.25),
(0.2, 0.5),
(0.3, 0.75),
(0.4, 1.0),
(0.5, 0.8),
(0.6, 0.6),
(0.7, 0.4),
(0.8, 0.2),
(0.9, 0.0),
(1.0, 0.0),
(1.1, 0.0)])
def testBlending(self):
"""
Test the blend functions
"""
console.terse("{0}\n".format(self.testBlending.__doc__))
u = .25
s = .75
steps = 10
u = abs(u)
s = abs(s)
steps = abs(steps)
span = u + s
ss = span / steps
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend0(d,u,s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.0),
(-1.0, 0.0),
(-0.9, 0.133),
(-0.8, 0.267),
(-0.7, 0.4),
(-0.6, 0.533),
(-0.5, 0.667),
(-0.4, 0.8),
(-0.3, 0.933),
(-0.2, 1.0),
(-0.1, 1.0),
(0.0, 1.0),
(0.1, 1.0),
(0.2, 1.0),
(0.3, 0.933),
(0.4, 0.8),
(0.5, 0.667),
(0.6, 0.533),
(0.7, 0.4),
(0.8, 0.267),
(0.9, 0.133),
(1.0, 0.0),
(1.1, 0.0)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend1(d,u,s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 1.0),
(-1.0, 1.0),
(-0.9, 1.0),
(-0.8, 1.0),
(-0.7, 1.0),
(-0.6, 1.0),
(-0.5, 1.0),
(-0.4, 1.0),
(-0.3, 1.0),
(-0.2, 1.0),
(-0.1, 0.564),
(0.0, 0.0),
(0.1, 0.564),
(0.2, 1.0),
(0.3, 1.0),
(0.4, 1.0),
(0.5, 1.0),
(0.6, 1.0),
(0.7, 1.0),
(0.8, 1.0),
(0.9, 1.0),
(1.0, 1.0),
(1.1, 1.0)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend2(d,u,s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 1.0),
(-1.0, 1.0),
(-0.9, 1.0),
(-0.8, 1.0),
(-0.7, 0.997),
(-0.6, 0.987),
(-0.5, 0.95),
(-0.4, 0.853),
(-0.3, 0.66),
(-0.2, 0.381),
(-0.1, 0.113),
(0.0, 0.0),
(0.1, 0.113),
(0.2, 0.381),
(0.3, 0.66),
(0.4, 0.853),
(0.5, 0.95),
(0.6, 0.987),
(0.7, 0.997),
(0.8, 1.0),
(0.9, 1.0),
(1.0, 1.0),
(1.1, 1.0)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blend3(d,u,s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.996),
(-1.0, 0.99),
(-0.9, 0.976),
(-0.8, 0.947),
(-0.7, 0.895),
(-0.6, 0.809),
(-0.5, 0.684),
(-0.4, 0.521),
(-0.3, 0.339),
(-0.2, 0.168),
(-0.1, 0.045),
(0.0, 0.0),
(0.1, 0.045),
(0.2, 0.168),
(0.3, 0.339),
(0.4, 0.521),
(0.5, 0.684),
(0.6, 0.809),
(0.7, 0.895),
(0.8, 0.947),
(0.9, 0.976),
(1.0, 0.99),
(1.1, 0.996)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blendSpike(d, u, s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.363),
(-1.0, 0.392),
(-0.9, 0.422),
(-0.8, 0.455),
(-0.7, 0.49),
(-0.6, 0.529),
(-0.5, 0.57),
(-0.4, 0.614),
(-0.3, 0.662),
(-0.2, 0.714),
(-0.1, 0.769),
(0.0, 0.829),
(0.1, 0.894),
(0.2, 0.963),
(0.3, 0.963),
(0.4, 0.894),
(0.5, 0.829),
(0.6, 0.769),
(0.7, 0.714),
(0.8, 0.662),
(0.9, 0.614),
(1.0, 0.57),
(1.1, 0.529)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blendSigmoidInc(d, u, s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.266),
(-1.0, 0.281),
(-0.9, 0.297),
(-0.8, 0.313),
(-0.7, 0.329),
(-0.6, 0.346),
(-0.5, 0.363),
(-0.4, 0.38),
(-0.3, 0.398),
(-0.2, 0.416),
(-0.1, 0.435),
(0.0, 0.453),
(0.1, 0.472),
(0.2, 0.491),
(0.3, 0.509),
(0.4, 0.528),
(0.5, 0.547),
(0.6, 0.565),
(0.7, 0.584),
(0.8, 0.602),
(0.9, 0.62),
(1.0, 0.637),
(1.1, 0.654)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blendSigmoidDec(d, u, s)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.734),
(-1.0, 0.719),
(-0.9, 0.703),
(-0.8, 0.687),
(-0.7, 0.671),
(-0.6, 0.654),
(-0.5, 0.637),
(-0.4, 0.62),
(-0.3, 0.602),
(-0.2, 0.584),
(-0.1, 0.565),
(0.0, 0.547),
(0.1, 0.528),
(0.2, 0.509),
(0.3, 0.491),
(0.4, 0.472),
(0.5, 0.453),
(0.6, 0.435),
(0.7, 0.416),
(0.8, 0.398),
(0.9, 0.38),
(1.0, 0.363),
(1.1, 0.346)])
out = []
for x in xrange(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blendConcaveInc(d, 0)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.323),
(-1.0, 0.333),
(-0.9, 0.345),
(-0.8, 0.357),
(-0.7, 0.37),
(-0.6, 0.385),
(-0.5, 0.4),
(-0.4, 0.417),
(-0.3, 0.435),
(-0.2, 0.455),
(-0.1, 0.476),
(0.0, 0.5),
(0.1, 0.526),
(0.2, 0.556),
(0.3, 0.588),
(0.4, 0.625),
(0.5, 0.667),
(0.6, 0.714),
(0.7, 0.769),
(0.8, 0.833),
(0.9, 0.909),
(1.0, 1.0),
(1.1, 1.0)])
out = []
for x in xrange((steps), steps + 20, 1):
d = x * ss
b = blending.blendConcaveDec(d)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(1.0, 1.0),
(1.1, 0.909),
(1.2, 0.833),
(1.3, 0.769),
(1.4, 0.714),
(1.5, 0.667),
(1.6, 0.625),
(1.7, 0.588),
(1.8, 0.556),
(1.9, 0.526),
(2.0, 0.5),
(2.1, 0.476),
(2.2, 0.455),
(2.3, 0.435),
(2.4, 0.417),
(2.5, 0.4),
(2.6, 0.385),
(2.7, 0.37),
(2.8, 0.357),
(2.9, 0.345)])
out = []
for x in xrange((steps - 5), steps + 15, 1):
d = x * ss
b = blending.blendConcaveCombined(d)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(0.5, 0.5),
(0.6, 0.556),
(0.7, 0.625),
(0.8, 0.714),
(0.9, 0.833),
(1.0, 1.0),
(1.1, 1.0),
(1.2, 1.0),
(1.3, 1.0),
(1.4, 1.0),
(1.5, 1.0),
(1.6, 0.833),
(1.7, 0.714),
(1.8, 0.625),
(1.9, 0.556),
(2.0, 0.5),
(2.1, 0.455),
(2.2, 0.417),
(2.3, 0.385),
(2.4, 0.357)])
out = []
for x in range(-(steps + 1), steps + 2, 1):
d = x * ss
b = blending.blendTriangular(d, 0)
out.append((round(d, 3), round(b, 3)))
self.assertEqual(out, [(-1.1, 0.0),
(-1.0, 0.0),
(-0.9, 0.0),
(-0.8, 0.0),
(-0.7, 0.0),
(-0.6, 0.0),
(-0.5, 0.0),
(-0.4, 0.0),
(-0.3, 0.0),
(-0.2, 0.0),
(-0.1, 0.0),
(0.0, 0.0),
(0.1, 0.25),
(0.2, 0.5),
(0.3, 0.75),
(0.4, 1.0),
(0.5, 0.8),
(0.6, 0.6),
(0.7, 0.4),
(0.8, 0.2),
(0.9, 0.0),
(1.0, 0.0),
(1.1, 0.0)])