23 lines
597 B
Python
23 lines
597 B
Python
# some utility functions
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import math
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try:
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import numpy
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except:
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numpy=None
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for f in ['cos', 'sin', 'tan']:
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exec('def %sd(deg): return ((numpy or math).%s(deg/180.*math.pi))'%(f,f))
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if numpy:
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exec('def a%sd(val): return (numpy.arc%s(val)*180./math.pi)'%(f,f))
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else:
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exec('def a%sd(val): return (math.a%s(val)*180./math.pi)'%(f,f))
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# Matlab like functions to allow for cosd(degree),...
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# it is open how these compare to the numpy.cos, which can operate on arrays
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# ->full array compatibility can be achieved through numpy.deg2rad|rad2deg
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