POLARABLEXPR(3) ABL FUNCTIONS POLARABLEXPR(3) NAME polarablexpr - moves inverters to the atomic level. SYNOPSIS #include "abl101.h" chain_list *polarablexpr( Expr, Polar ) chain_list *Expr; int Polar; PARAMETERS Expr Expression to modify. Polar Expression polarity. DESCRIPTION polarablexpr modifies Expr by moving down the inverters to the atomic level. polarablexpr applies the Morgan's laws. If Polar is equal to ABL_POLAR_NEGATIVE the function returns the modified expression after hav- ing complemented it. The expression pointer Expr MUSTN'T be used after the call to this function. RETURN VALUE polarablexpr returns the modified expression. EXAMPLE #include "abl101.h" chain_list *Expr1; chain_list *Expr2; Expr1 = createabloper( ABL_NOT ); Expr2 = createabloper( ABL_NOT ); addablhexpr( Expr1, createablatom( "a" ) ); addablhexpr( Expr2, Expr1 ); Expr1 = polarablexpr( Expr2, ABL_POLAR_POSITIVE ); /* displays a */ viewablexpr( Expr1, ABL_VIEW_VHDL ); SEE ALSO abl(1) ASIM/LIP6 October 1, 1997 POLARABLEXPR(3)
NAME | SYNOPSIS | PARAMETERS | DESCRIPTION | RETURN VALUE | EXAMPLE | SEE ALSO
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