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MilesCranmer commited on
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5dbc3b7
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1 Parent(s): 09bfff6

Add missing `greater` operator in sympy mapping

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  1. pysr/export_sympy.py +1 -0
pysr/export_sympy.py CHANGED
@@ -50,6 +50,7 @@ sympy_mappings = {
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  "round": lambda x: sympy.ceiling(x - 0.5),
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  "max": lambda x, y: sympy.Piecewise((y, x < y), (x, True)),
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  "min": lambda x, y: sympy.Piecewise((x, x < y), (y, True)),
 
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  "cond": lambda x, y: sympy.Piecewise((y, x > 0), (0.0, True)),
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  "logical_or": lambda x, y: sympy.Piecewise((1.0, (x > 0) | (y > 0)), (0.0, True)),
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  "logical_and": lambda x, y: sympy.Piecewise((1.0, (x > 0) & (y > 0)), (0.0, True)),
 
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  "round": lambda x: sympy.ceiling(x - 0.5),
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  "max": lambda x, y: sympy.Piecewise((y, x < y), (x, True)),
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  "min": lambda x, y: sympy.Piecewise((x, x < y), (y, True)),
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+ "greater": lambda x, y: sympy.Piecewise((1.0, x > y), (0.0, True)),
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  "cond": lambda x, y: sympy.Piecewise((y, x > 0), (0.0, True)),
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  "logical_or": lambda x, y: sympy.Piecewise((1.0, (x > 0) | (y > 0)), (0.0, True)),
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  "logical_and": lambda x, y: sympy.Piecewise((1.0, (x > 0) & (y > 0)), (0.0, True)),