40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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from random_expression import RdExpression
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from random import choice
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affine = RdExpression("{a}x + {b}", \
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conditions =["{b} > 0"], \
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with_Exp = False)
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affine_minus = RdExpression("{a}x - {b}",
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conditions =["{b} > 0"], \
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with_Exp = False)
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affine_frac = RdExpression("\frac{ {a} }{ {c} }x + {b}", \
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conditions =["{b} > 0", "{c} > 0"], \
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with_Exp = False)
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double_prod = RdExpression("({a}x + {b})({c}x + {d})",
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conditions =["{b} > 0", "{d} >0"], \
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with_Exp = False)
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double_prod_minus1 = RdExpression("({a}x - {b})({c}x + {d})",
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conditions =["{b} > 0", "{d} >0"], \
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with_Exp = False)
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double_prod_minus2 = RdExpression("({a}x + {b})({c}x - {d})",
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conditions =["{b} > 0", "{d} >0"], \
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with_Exp = False)
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eq = {"affine" : lambda : choice([affine, affine_minus])(), \
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"affine_frac": affine_frac, \
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"double_prod": lambda: choice([double_prod, double_prod_minus1, double_prod_minus2])()}
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# -----------------------------
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# Reglages pour 'vim'
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# vim:set autoindent expandtab tabstop=4 shiftwidth=4:
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# cursor: 16 del
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