10.34.11.2 Syntax of Arithmetic Expressions

X ::= variable { domain variable }

N ::= integer

LinExpr ::= N { linear expression }
| X
| N * X
| N * N
| LinExpr + LinExpr
| LinExpr - LinExpr

Expr ::= LinExpr
| Expr + Expr
| Expr - Expr
| Expr * Expr
| Expr / Expr { integer division }
| Expr mod Expr
| min(Expr,Expr)
| max(Expr,Expr)
| abs(Expr)

RelOp ::= #= | #\= | #< | #=< | #> | #>=

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