42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
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/*
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Copyright (c) 2013 Microsoft Corporation. All rights reserved.
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Released under Apache 2.0 license as described in the file LICENSE.
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Author: Leonardo de Moura
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*/
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#include "library/bin_op.h"
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namespace lean {
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expr mk_bin_rop(expr const & op, expr const & unit, unsigned num_args, expr const * args) {
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if (num_args == 0) {
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return unit;
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} else {
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expr r = args[num_args - 1];
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unsigned i = num_args - 1;
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while (i > 0) {
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--i;
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r = mk_app({op, args[i], r});
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}
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return r;
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}
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}
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expr mk_bin_rop(expr const & op, expr const & unit, std::initializer_list<expr> const & l) {
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return mk_bin_rop(op, unit, l.size(), l.begin());
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}
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expr mk_bin_lop(expr const & op, expr const & unit, unsigned num_args, expr const * args) {
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if (num_args == 0) {
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return unit;
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} else {
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expr r = args[0];
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for (unsigned i = 1; i < num_args; i++) {
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r = mk_app({op, r, args[i]});
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}
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return r;
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}
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}
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expr mk_bin_lop(expr const & op, expr const & unit, std::initializer_list<expr> const & l) {
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return mk_bin_lop(op, unit, l.size(), l.begin());
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}
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}
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