/usr/include/ginac/excompiler.h is in libginac-dev 1.6.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | /** @file excompiler.h
*
* Functions to facilitate the conversion of a ex to a function pointer suited for
* fast numerical integration. */
/*
* GiNaC Copyright (C) 1999-2011 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef GINAC_EXCOMPILER_H
#define GINAC_EXCOMPILER_H
#include "lst.h"
#include <string>
namespace GiNaC {
class ex;
class symbol;
/**
* Function pointer with one function parameter.
*/
typedef double (*FUNCP_1P) (double);
/**
* Function pointer with two function parameters.
*/
typedef double (*FUNCP_2P) (double, double);
/**
* Function pointer for use with the CUBA library (http://www.feynarts.de/cuba).
*/
typedef void (*FUNCP_CUBA) (const int*, const double[], const int*, double[]);
/**
* Takes an expression and produces a function pointer to the compiled and linked
* C code equivalent in double precision. The function pointer has type FUNCP_1P.
*
* @param expr Expression to be compiled
* @param sym Symbol from the expression to become the function parameter
* @param fp Returned function pointer
* @param filename Name of the intermediate source code and so-file. If
* supplied, these intermediate files will not be deleted
*/
void compile_ex(const ex& expr, const symbol& sym, FUNCP_1P& fp, const std::string filename = "");
/**
* Takes an expression and produces a function pointer to the compiled and linked
* C code equivalent in double precision. The function pointer has type FUNCP_2P.
*
* @param expr Expression to be compiled
* @param sym Symbol from the expression to become the function parameter
* @param fp Returned function pointer
* @param filename Name of the intermediate source code and so-file. If
* supplied, these intermediate files will not be deleted
*/
void compile_ex(const ex& expr, const symbol& sym1, const symbol& sym2, FUNCP_2P& fp, const std::string filename = "");
/**
* Takes an expression and produces a function pointer to the compiled and linked
* C code equivalent in double precision. The function pointer has type FUNCP_CUBA.
*
* @param expr Expression to be compiled
* @param sym Symbol from the expression to become the function parameter
* @param fp Returned function pointer
* @param filename Name of the intermediate source code and so-file. If
* supplied, these intermediate files will not be deleted
*/
void compile_ex(const lst& exprs, const lst& syms, FUNCP_CUBA& fp, const std::string filename = "");
/**
* Opens an existing so-file and returns a function pointer of type FUNCP_1P to
* the contained function. The so-file has to be generated by compile_ex in
* advance.
*
* @param filename Name of the so-file to open and link
* @param fp Returned function pointer
*/
void link_ex(const std::string filename, FUNCP_1P& fp);
/**
* Opens an existing so-file and returns a function pointer of type FUNCP_2P to
* the contained function. The so-file has to be generated by compile_ex in
* advance.
*
* @param filename Name of the so-file to open and link
* @param fp Returned function pointer
*/
void link_ex(const std::string filename, FUNCP_2P& fp);
/**
* Opens an existing so-file and returns a function pointer of type FUNCP_CUBA to
* the contained function. The so-file has to be generated by compile_ex in
* advance.
*
* @param filename Name of the so-file to open and link
* @param fp Returned function pointer
*/
void link_ex(const std::string filename, FUNCP_CUBA& fp);
/**
* Closes all linked .so files that have the supplied filename.
*
* @param filename Name of the so-file to close
*/
void unlink_ex(const std::string filename);
} // namespace GiNaC
#endif // ndef GINAC_EXCOMPILER_H
|