diogo/polynomialmani.pl
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Negative numbers working

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Hugo Sales 2018-12-20 23:15:18 +00:00
parent 4e9d1ec760
commit bfb580c566
1 changed files with 8 additions and 1 deletions
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polymani.pl
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@ -313,6 +313,12 @@ print_all_stored_variables([]).
%
% Flatten a polynomail tree into a simple polynomial
%
polynomial_tree_to_polynomial(op(neg, T), P1) :-
%% If it matched on the version with a node, don't go back
!,
%% Delegate
polynomial_tree_to_polynomial(T, P),
atom_concat('-', P, P1).
polynomial_tree_to_polynomial(op(Op, TL, TR), P) :-
%% If it matched on the version with a node, don't go back
!,
@ -473,6 +479,7 @@ parse_floating_number(TN) -->
%@ TN = op('.', 2, 4).
%% ?- parse_floating_number(TN, [negative, two, dot, 4], _).
%@ TN = op('.', op(neg, 2), 4).
%@ TN = op('.', op(neg, 2), 4).
%% parse_positive_integer_number(-tree, +stream, -not_consumed) is det
%
@ -498,7 +505,7 @@ parse_integer_number(N) -->
parse_integer_number(op(neg, T)) --> % TODO
%% A number can start with "negative", to negate it
[negative],
parse_number_explicit(void, void, T).
parse_integer_number(T).
parse_integer_number(T) -->
parse_number_explicit(void, void, T).
%% Tests: