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575 lines
18 KiB
Python
575 lines
18 KiB
Python
#
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# Copyright (c) 2008-2012 Stefan Krah. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# Generate test cases for deccheck.py.
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#
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# Grammar from http://speleotrove.com/decimal/daconvs.html
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#
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# sign ::= '+' | '-'
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# digit ::= '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' |
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# '8' | '9'
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# indicator ::= 'e' | 'E'
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# digits ::= digit [digit]...
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# decimal-part ::= digits '.' [digits] | ['.'] digits
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# exponent-part ::= indicator [sign] digits
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# infinity ::= 'Infinity' | 'Inf'
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# nan ::= 'NaN' [digits] | 'sNaN' [digits]
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# numeric-value ::= decimal-part [exponent-part] | infinity
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# numeric-string ::= [sign] numeric-value | [sign] nan
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#
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from random import randrange, sample
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from fractions import Fraction
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from randfloat import un_randfloat, bin_randfloat, tern_randfloat
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def sign():
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if randrange(2):
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if randrange(2): return '+'
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return ''
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return '-'
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def indicator():
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return "eE"[randrange(2)]
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def digits(maxprec):
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if maxprec == 0: return ''
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return str(randrange(10**maxprec))
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def dot():
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if randrange(2): return '.'
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return ''
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def decimal_part(maxprec):
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if randrange(100) > 60: # integers
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return digits(maxprec)
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if randrange(2):
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intlen = randrange(1, maxprec+1)
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fraclen = maxprec-intlen
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intpart = digits(intlen)
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fracpart = digits(fraclen)
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return ''.join((intpart, '.', fracpart))
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else:
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return ''.join((dot(), digits(maxprec)))
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def expdigits(maxexp):
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return str(randrange(maxexp))
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def exponent_part(maxexp):
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return ''.join((indicator(), sign(), expdigits(maxexp)))
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def infinity():
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if randrange(2): return 'Infinity'
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return 'Inf'
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def nan():
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d = ''
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if randrange(2):
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d = digits(randrange(99))
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if randrange(2):
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return ''.join(('NaN', d))
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else:
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return ''.join(('sNaN', d))
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def numeric_value(maxprec, maxexp):
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if randrange(100) > 90:
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return infinity()
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exp_part = ''
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if randrange(100) > 60:
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exp_part = exponent_part(maxexp)
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return ''.join((decimal_part(maxprec), exp_part))
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def numeric_string(maxprec, maxexp):
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if randrange(100) > 95:
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return ''.join((sign(), nan()))
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else:
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return ''.join((sign(), numeric_value(maxprec, maxexp)))
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def randdec(maxprec, maxexp):
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return numeric_string(maxprec, maxexp)
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def rand_adjexp(maxprec, maxadjexp):
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d = digits(maxprec)
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maxexp = maxadjexp-len(d)+1
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if maxexp == 0: maxexp = 1
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exp = str(randrange(maxexp-2*(abs(maxexp)), maxexp))
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return ''.join((sign(), d, 'E', exp))
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def ndigits(n):
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if n < 1: return 0
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return randrange(10**(n-1), 10**n)
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def randtuple(maxprec, maxexp):
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n = randrange(100)
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sign = randrange(2)
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coeff = ndigits(maxprec)
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if n >= 95:
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coeff = ()
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exp = 'F'
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elif n >= 85:
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coeff = tuple(map(int, str(ndigits(maxprec))))
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exp = "nN"[randrange(2)]
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else:
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coeff = tuple(map(int, str(ndigits(maxprec))))
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exp = randrange(-maxexp, maxexp)
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return (sign, coeff, exp)
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def from_triple(sign, coeff, exp):
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return ''.join((str(sign*coeff), indicator(), str(exp)))
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# Close to 10**n
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def un_close_to_pow10(prec, maxexp, itr=None):
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if itr is None:
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lst = range(prec+30)
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else:
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lst = sample(range(prec+30), itr)
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nines = [10**n - 1 for n in lst]
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pow10 = [10**n for n in lst]
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for coeff in nines:
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yield coeff
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yield -coeff
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yield from_triple(1, coeff, randrange(2*maxexp))
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yield from_triple(-1, coeff, randrange(2*maxexp))
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for coeff in pow10:
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yield coeff
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yield -coeff
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# Close to 10**n
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def bin_close_to_pow10(prec, maxexp, itr=None):
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if itr is None:
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lst = range(prec+30)
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else:
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lst = sample(range(prec+30), itr)
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nines = [10**n - 1 for n in lst]
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pow10 = [10**n for n in lst]
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for coeff in nines:
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yield coeff, 1
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yield -coeff, -1
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yield 1, coeff
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yield -1, -coeff
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yield from_triple(1, coeff, randrange(2*maxexp)), 1
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yield from_triple(-1, coeff, randrange(2*maxexp)), -1
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yield 1, from_triple(1, coeff, -randrange(2*maxexp))
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yield -1, from_triple(-1, coeff, -randrange(2*maxexp))
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for coeff in pow10:
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yield coeff, -1
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yield -coeff, 1
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yield 1, -coeff
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yield -coeff, 1
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# Close to 1:
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def close_to_one_greater(prec, emax, emin):
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rprec = 10**prec
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return ''.join(("1.", '0'*randrange(prec),
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str(randrange(rprec))))
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def close_to_one_less(prec, emax, emin):
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rprec = 10**prec
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return ''.join(("0.9", '9'*randrange(prec),
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str(randrange(rprec))))
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# Close to 0:
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def close_to_zero_greater(prec, emax, emin):
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rprec = 10**prec
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return ''.join(("0.", '0'*randrange(prec),
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str(randrange(rprec))))
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def close_to_zero_less(prec, emax, emin):
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rprec = 10**prec
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return ''.join(("-0.", '0'*randrange(prec),
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str(randrange(rprec))))
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# Close to emax:
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def close_to_emax_less(prec, emax, emin):
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rprec = 10**prec
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return ''.join(("9.", '9'*randrange(prec),
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str(randrange(rprec)), "E", str(emax)))
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def close_to_emax_greater(prec, emax, emin):
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rprec = 10**prec
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return ''.join(("1.", '0'*randrange(prec),
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str(randrange(rprec)), "E", str(emax+1)))
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# Close to emin:
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def close_to_emin_greater(prec, emax, emin):
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rprec = 10**prec
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return ''.join(("1.", '0'*randrange(prec),
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str(randrange(rprec)), "E", str(emin)))
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def close_to_emin_less(prec, emax, emin):
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rprec = 10**prec
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return ''.join(("9.", '9'*randrange(prec),
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str(randrange(rprec)), "E", str(emin-1)))
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# Close to etiny:
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def close_to_etiny_greater(prec, emax, emin):
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rprec = 10**prec
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etiny = emin - (prec - 1)
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return ''.join(("1.", '0'*randrange(prec),
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str(randrange(rprec)), "E", str(etiny)))
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def close_to_etiny_less(prec, emax, emin):
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rprec = 10**prec
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etiny = emin - (prec - 1)
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return ''.join(("9.", '9'*randrange(prec),
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str(randrange(rprec)), "E", str(etiny-1)))
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def close_to_min_etiny_greater(prec, max_prec, min_emin):
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rprec = 10**prec
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etiny = min_emin - (max_prec - 1)
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return ''.join(("1.", '0'*randrange(prec),
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str(randrange(rprec)), "E", str(etiny)))
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def close_to_min_etiny_less(prec, max_prec, min_emin):
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rprec = 10**prec
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etiny = min_emin - (max_prec - 1)
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return ''.join(("9.", '9'*randrange(prec),
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str(randrange(rprec)), "E", str(etiny-1)))
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close_funcs = [
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close_to_one_greater, close_to_one_less, close_to_zero_greater,
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close_to_zero_less, close_to_emax_less, close_to_emax_greater,
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close_to_emin_greater, close_to_emin_less, close_to_etiny_greater,
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close_to_etiny_less, close_to_min_etiny_greater, close_to_min_etiny_less
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]
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def un_close_numbers(prec, emax, emin, itr=None):
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if itr is None:
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itr = 1000
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for _ in range(itr):
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for func in close_funcs:
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yield func(prec, emax, emin)
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def bin_close_numbers(prec, emax, emin, itr=None):
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if itr is None:
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itr = 1000
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for _ in range(itr):
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for func1 in close_funcs:
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for func2 in close_funcs:
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yield func1(prec, emax, emin), func2(prec, emax, emin)
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for func in close_funcs:
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yield randdec(prec, emax), func(prec, emax, emin)
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yield func(prec, emax, emin), randdec(prec, emax)
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def tern_close_numbers(prec, emax, emin, itr):
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if itr is None:
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itr = 1000
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for _ in range(itr):
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for func1 in close_funcs:
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for func2 in close_funcs:
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for func3 in close_funcs:
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yield (func1(prec, emax, emin), func2(prec, emax, emin),
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func3(prec, emax, emin))
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for func in close_funcs:
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yield (randdec(prec, emax), func(prec, emax, emin),
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func(prec, emax, emin))
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yield (func(prec, emax, emin), randdec(prec, emax),
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func(prec, emax, emin))
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yield (func(prec, emax, emin), func(prec, emax, emin),
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randdec(prec, emax))
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for func in close_funcs:
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yield (randdec(prec, emax), randdec(prec, emax),
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func(prec, emax, emin))
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yield (randdec(prec, emax), func(prec, emax, emin),
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randdec(prec, emax))
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yield (func(prec, emax, emin), randdec(prec, emax),
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randdec(prec, emax))
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# If itr == None, test all digit lengths up to prec + 30
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def un_incr_digits(prec, maxexp, itr):
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if itr is None:
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lst = range(prec+30)
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else:
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lst = sample(range(prec+30), itr)
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for m in lst:
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yield from_triple(1, ndigits(m), 0)
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yield from_triple(-1, ndigits(m), 0)
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yield from_triple(1, ndigits(m), randrange(maxexp))
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yield from_triple(-1, ndigits(m), randrange(maxexp))
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# If itr == None, test all digit lengths up to prec + 30
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# Also output decimals im tuple form.
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def un_incr_digits_tuple(prec, maxexp, itr):
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if itr is None:
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lst = range(prec+30)
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else:
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lst = sample(range(prec+30), itr)
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for m in lst:
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yield from_triple(1, ndigits(m), 0)
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yield from_triple(-1, ndigits(m), 0)
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yield from_triple(1, ndigits(m), randrange(maxexp))
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yield from_triple(-1, ndigits(m), randrange(maxexp))
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# test from tuple
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yield (0, tuple(map(int, str(ndigits(m)))), 0)
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yield (1, tuple(map(int, str(ndigits(m)))), 0)
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yield (0, tuple(map(int, str(ndigits(m)))), randrange(maxexp))
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yield (1, tuple(map(int, str(ndigits(m)))), randrange(maxexp))
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# If itr == None, test all combinations of digit lengths up to prec + 30
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def bin_incr_digits(prec, maxexp, itr):
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if itr is None:
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lst1 = range(prec+30)
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lst2 = range(prec+30)
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else:
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lst1 = sample(range(prec+30), itr)
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lst2 = sample(range(prec+30), itr)
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for m in lst1:
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x = from_triple(1, ndigits(m), 0)
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yield x, x
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x = from_triple(-1, ndigits(m), 0)
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yield x, x
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x = from_triple(1, ndigits(m), randrange(maxexp))
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yield x, x
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x = from_triple(-1, ndigits(m), randrange(maxexp))
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yield x, x
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for m in lst1:
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for n in lst2:
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x = from_triple(1, ndigits(m), 0)
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y = from_triple(1, ndigits(n), 0)
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yield x, y
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x = from_triple(-1, ndigits(m), 0)
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y = from_triple(1, ndigits(n), 0)
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yield x, y
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x = from_triple(1, ndigits(m), 0)
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y = from_triple(-1, ndigits(n), 0)
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yield x, y
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x = from_triple(-1, ndigits(m), 0)
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y = from_triple(-1, ndigits(n), 0)
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yield x, y
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x = from_triple(1, ndigits(m), randrange(maxexp))
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y = from_triple(1, ndigits(n), randrange(maxexp))
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yield x, y
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x = from_triple(-1, ndigits(m), randrange(maxexp))
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y = from_triple(1, ndigits(n), randrange(maxexp))
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yield x, y
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x = from_triple(1, ndigits(m), randrange(maxexp))
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y = from_triple(-1, ndigits(n), randrange(maxexp))
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yield x, y
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x = from_triple(-1, ndigits(m), randrange(maxexp))
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y = from_triple(-1, ndigits(n), randrange(maxexp))
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yield x, y
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def randsign():
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return (1, -1)[randrange(2)]
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# If itr == None, test all combinations of digit lengths up to prec + 30
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def tern_incr_digits(prec, maxexp, itr):
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if itr is None:
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lst1 = range(prec+30)
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lst2 = range(prec+30)
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lst3 = range(prec+30)
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else:
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lst1 = sample(range(prec+30), itr)
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lst2 = sample(range(prec+30), itr)
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lst3 = sample(range(prec+30), itr)
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for m in lst1:
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for n in lst2:
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for p in lst3:
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x = from_triple(randsign(), ndigits(m), 0)
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y = from_triple(randsign(), ndigits(n), 0)
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z = from_triple(randsign(), ndigits(p), 0)
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yield x, y, z
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# Tests for the 'logical' functions
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def bindigits(prec):
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z = 0
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for i in range(prec):
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z += randrange(2) * 10**i
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return z
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def logical_un_incr_digits(prec, itr):
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if itr is None:
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lst = range(prec+30)
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else:
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lst = sample(range(prec+30), itr)
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for m in lst:
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yield from_triple(1, bindigits(m), 0)
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def logical_bin_incr_digits(prec, itr):
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if itr is None:
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lst1 = range(prec+30)
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lst2 = range(prec+30)
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else:
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lst1 = sample(range(prec+30), itr)
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lst2 = sample(range(prec+30), itr)
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for m in lst1:
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x = from_triple(1, bindigits(m), 0)
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yield x, x
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for m in lst1:
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for n in lst2:
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x = from_triple(1, bindigits(m), 0)
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y = from_triple(1, bindigits(n), 0)
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yield x, y
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def randint():
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p = randrange(1, 100)
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return ndigits(p) * (1,-1)[randrange(2)]
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def randfloat():
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p = randrange(1, 100)
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s = numeric_value(p, 383)
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try:
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f = float(numeric_value(p, 383))
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except ValueError:
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f = 0.0
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return f
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def randcomplex():
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real = randfloat()
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if randrange(100) > 30:
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imag = 0.0
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else:
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imag = randfloat()
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return complex(real, imag)
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def randfraction():
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num = randint()
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denom = randint()
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if denom == 0:
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denom = 1
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return Fraction(num, denom)
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number_funcs = [randint, randfloat, randcomplex, randfraction]
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def un_random_mixed_op(itr=None):
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if itr is None:
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itr = 1000
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for _ in range(itr):
|
|
for func in number_funcs:
|
|
yield func()
|
|
# Test garbage input
|
|
for x in (['x'], ('y',), {'z'}, {1:'z'}):
|
|
yield x
|
|
|
|
def bin_random_mixed_op(prec, emax, emin, itr=None):
|
|
if itr is None:
|
|
itr = 1000
|
|
for _ in range(itr):
|
|
for func in number_funcs:
|
|
yield randdec(prec, emax), func()
|
|
yield func(), randdec(prec, emax)
|
|
for number in number_funcs:
|
|
for dec in close_funcs:
|
|
yield dec(prec, emax, emin), number()
|
|
# Test garbage input
|
|
for x in (['x'], ('y',), {'z'}, {1:'z'}):
|
|
for y in (['x'], ('y',), {'z'}, {1:'z'}):
|
|
yield x, y
|
|
|
|
def tern_random_mixed_op(prec, emax, emin, itr):
|
|
if itr is None:
|
|
itr = 1000
|
|
for _ in range(itr):
|
|
for func in number_funcs:
|
|
yield randdec(prec, emax), randdec(prec, emax), func()
|
|
yield randdec(prec, emax), func(), func()
|
|
yield func(), func(), func()
|
|
# Test garbage input
|
|
for x in (['x'], ('y',), {'z'}, {1:'z'}):
|
|
for y in (['x'], ('y',), {'z'}, {1:'z'}):
|
|
for z in (['x'], ('y',), {'z'}, {1:'z'}):
|
|
yield x, y, z
|
|
|
|
def all_unary(prec, exp_range, itr):
|
|
for a in un_close_to_pow10(prec, exp_range, itr):
|
|
yield (a,)
|
|
for a in un_close_numbers(prec, exp_range, -exp_range, itr):
|
|
yield (a,)
|
|
for a in un_incr_digits_tuple(prec, exp_range, itr):
|
|
yield (a,)
|
|
for a in un_randfloat():
|
|
yield (a,)
|
|
for a in un_random_mixed_op(itr):
|
|
yield (a,)
|
|
for a in logical_un_incr_digits(prec, itr):
|
|
yield (a,)
|
|
for _ in range(100):
|
|
yield (randdec(prec, exp_range),)
|
|
for _ in range(100):
|
|
yield (randtuple(prec, exp_range),)
|
|
|
|
def unary_optarg(prec, exp_range, itr):
|
|
for _ in range(100):
|
|
yield randdec(prec, exp_range), None
|
|
yield randdec(prec, exp_range), None, None
|
|
|
|
def all_binary(prec, exp_range, itr):
|
|
for a, b in bin_close_to_pow10(prec, exp_range, itr):
|
|
yield a, b
|
|
for a, b in bin_close_numbers(prec, exp_range, -exp_range, itr):
|
|
yield a, b
|
|
for a, b in bin_incr_digits(prec, exp_range, itr):
|
|
yield a, b
|
|
for a, b in bin_randfloat():
|
|
yield a, b
|
|
for a, b in bin_random_mixed_op(prec, exp_range, -exp_range, itr):
|
|
yield a, b
|
|
for a, b in logical_bin_incr_digits(prec, itr):
|
|
yield a, b
|
|
for _ in range(100):
|
|
yield randdec(prec, exp_range), randdec(prec, exp_range)
|
|
|
|
def binary_optarg(prec, exp_range, itr):
|
|
for _ in range(100):
|
|
yield randdec(prec, exp_range), randdec(prec, exp_range), None
|
|
yield randdec(prec, exp_range), randdec(prec, exp_range), None, None
|
|
|
|
def all_ternary(prec, exp_range, itr):
|
|
for a, b, c in tern_close_numbers(prec, exp_range, -exp_range, itr):
|
|
yield a, b, c
|
|
for a, b, c in tern_incr_digits(prec, exp_range, itr):
|
|
yield a, b, c
|
|
for a, b, c in tern_randfloat():
|
|
yield a, b, c
|
|
for a, b, c in tern_random_mixed_op(prec, exp_range, -exp_range, itr):
|
|
yield a, b, c
|
|
for _ in range(100):
|
|
a = randdec(prec, 2*exp_range)
|
|
b = randdec(prec, 2*exp_range)
|
|
c = randdec(prec, 2*exp_range)
|
|
yield a, b, c
|
|
|
|
def ternary_optarg(prec, exp_range, itr):
|
|
for _ in range(100):
|
|
a = randdec(prec, 2*exp_range)
|
|
b = randdec(prec, 2*exp_range)
|
|
c = randdec(prec, 2*exp_range)
|
|
yield a, b, c, None
|
|
yield a, b, c, None, None
|