/usr/include/libixion-0.8/ixion/formula.hpp is in libixion-dev 0.7.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef __IXION_FORMULA_HPP__
#define __IXION_FORMULA_HPP__
#include "ixion/formula_tokens.hpp"
#include "ixion/interface/model_context.hpp"
#include "ixion/env.hpp"
#include <string>
namespace ixion {
/**
* Parse a raw formula expression string into formula tokens.
*
* @param cxt model context.
* @param pos address of the cell that has the formula expression.
* @param p pointer to the first character of raw formula expression string.
* @param n size of the raw formula expression string.
* @param tokens formula tokens representing the parsed formula expression.
*/
void IXION_DLLPUBLIC parse_formula_string(
iface::model_context& cxt, const abs_address_t& pos,
const char* p, size_t n, formula_tokens_t& tokens);
/**
* Convert formula tokens into a human-readable string representation.
*
* @param cxt model context.
* @param pos address of the cell that has the formula tokens.
* @param tokens formula tokens.
* @param str string representation of the formula tokens.
*/
void IXION_DLLPUBLIC print_formula_tokens(
const iface::model_context& cxt, const abs_address_t& pos,
const formula_tokens_t& tokens, std::string& str);
/**
* Regisiter a formula cell with cell dependency tracker.
*
* @param cxt model context.
* @param pos address of the cell being registered.
*/
void IXION_DLLPUBLIC register_formula_cell(
iface::model_context& cxt, const abs_address_t& pos);
/**
* Unregister a formula cell with cell dependency tracker if a formula cell
* exists at specified cell address. If there is no existing cell at the
* specified address, or the cell is not a formula cell, this function is a
* no-op.
*
* @param cxt model context.
* @param pos address of the cell being unregistered.
*/
void IXION_DLLPUBLIC unregister_formula_cell(
iface::model_context& cxt, const abs_address_t& pos);
/**
* Get all cells that directly or indirectly depend on known modified cells.
* We call such cells "dirty cells".
*
* @param cxt model context
* @param addrs list of addresses of cells that have been modified. Note
* that this call may add additional cells to this list in a
* presence of volatile cells.
* @param cells all dirty cells are inserted into this container when this
* function returns.
*/
void IXION_DLLPUBLIC get_all_dirty_cells(
iface::model_context& cxt, modified_cells_t& addrs, dirty_formula_cells_t& cells);
/**
* Calculate all dirty cells in order of dependency.
*
* @param cxt model context.
* @param cells all dirty cells to be calculated.
* @param thread_count number of calculation threads to use. Note that
* passing 0 will make the process use the main thread
* only, while passing any number greater than 0 will
* make the process spawn specified number of
* calculation threads plus one additional thread to
* manage the calculation threads.
*/
void IXION_DLLPUBLIC calculate_cells(
iface::model_context& cxt, dirty_formula_cells_t& cells, size_t thread_count);
}
#endif
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