Updated to Python 3
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galois.py
17
galois.py
@ -1,4 +1,4 @@
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#!/usr/bin/python
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#!/usr/bin/env python3
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#
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# Native python routines for Galois field calculations.
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#
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@ -105,7 +105,7 @@ class GaloisFieldLog:
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self.bits = bits
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self.size = (1 << bits)
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self.prim = self.poly_defaults[bits] if not primitive_polynomial else primitive_polynomial
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self.value_format = repr_prefix + '{:0>' + str(bits / 4) + 'x}'
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self.value_format = repr_prefix + '{:0>' + str(bits // 4) + 'x}'
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self.alpha = alpha
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# Set up the log and anti-log tables
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self.log_tbl = [0] * self.size
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@ -258,19 +258,20 @@ class GaloisFieldDirect:
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return True
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if __name__ == '__main__':
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print '\nTesting direct fields...........'
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print ('\nTesting direct fields...........')
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for width in GaloisFieldDirect.field_widths:
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field = GaloisFieldDirect (width)
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g0 = GaloisNumber (field, 2)
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g1 = GaloisNumber (field, 7)
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print '{0} + {1} = {2}'.format (g0, g1, g0 + g1)
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print ('{0} + {1} = {2}'.format (g0, g1, g0 + g1))
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if field.self_test ():
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print "{0} bit field (direct) passed!".format (width)
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print '\nTesting log fields...........'
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print ("{0} bit field (direct) passed!".format (width))
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print ('\nTesting log fields...........')
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for width in GaloisFieldLog.field_widths:
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field = GaloisFieldLog (width)
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g0 = GaloisNumber (field, 2)
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g1 = GaloisNumber (field, 7)
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print '{0} + {1} = {2}'.format (g0, g1, g0 + g1)
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print ('{0} + {1} = {2}'.format (g0, g1, g0 + g1))
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if field.self_test ():
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print "{0} bit field (log) passed!".format (width)
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print ("{0} bit field (log) passed!".format (width))
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