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Added not equal sign support #39

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Added not equal sign support #39

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dd4413c
Update PS.g4
moliata Jan 26, 2018
b46b7fe
Update process_latex.py
moliata Jan 26, 2018
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1 change: 1 addition & 0 deletions PS.g4
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,7 @@ NUMBER:
| DIGIT* (',' DIGIT DIGIT DIGIT)* '.' DIGIT+;

EQUAL: '=';
NOTEQUAL: '\\neq';
LT: '<';
LTE: '\\leq';
GT: '>';
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2 changes: 2 additions & 0 deletions process_latex.py
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Expand Up @@ -73,6 +73,8 @@ def convert_relation(rel):
return sympy.GreaterThan(lh, rh)
elif rel.EQUAL():
return sympy.Eq(lh, rh)
elif rel.NOTEQUAL():
return sympy.Ne(lh, rh)

def convert_expr(expr):
return convert_add(expr.additive())
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