/usr/include/ags/lib/ags_function.h is in libags-dev 1.4.24-1ubuntu2.
This file is owned by root:root, with mode 0o644.
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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 | /* GSequencer - Advanced GTK Sequencer
* Copyright (C) 2005-2016 Joël Krähemann
*
* This file is part of GSequencer.
*
* GSequencer 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 3 of the License, or
* (at your option) any later version.
*
* GSequencer 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 GSequencer. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __AGS_FUNCTION_H__
#define __AGS_FUNCTION_H__
#include <glib.h>
#include <glib-object.h>
#include <ags/lib/ags_complex.h>
#include <ags/lib/ags_conversion.h>
#define AGS_TYPE_FUNCTION (ags_function_get_type())
#define AGS_FUNCTION(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), AGS_TYPE_FUNCTION, AgsFunction))
#define AGS_FUNCTION_CLASS(class) (G_TYPE_CHECK_CLASS_CAST((class), AGS_TYPE_FUNCTION, AgsFunctionClass))
#define AGS_IS_FUNCTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), AGS_TYPE_FUNCTION))
#define AGS_IS_FUNCTION_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), AGS_TYPE_FUNCTION))
#define AGS_FUNCTION_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS (obj, AGS_TYPE_FUNCTION, AgsFunctionClass))
#define AGS_SYMBOLIC_EULER "ℯ"
#define AGS_SYMBOLIC_PI "𝜋"
#define AGS_SYMBOLIC_INFINIT "∞"
#define AGS_SYMBOLIC_COMPLEX_UNIT "𝑖"
typedef struct _AgsFunction AgsFunction;
typedef struct _AgsFunctionClass AgsFunctionClass;
typedef struct _AgsSolverMatrix AgsSolverMatrix;
typedef struct _AgsSolverVector AgsSolverVector;
/**
* AgsFunctionFlags:
* @AGS_FUNCTION_LINEAR: the function is linear
* @AGS_FUNCTION_EXPONENTIAL: the function is exponential
* @AGS_FUNCTION_LOGARITHMIC: the function is logarithmic
* @AGS_FUNCTION_IS_UNIQUE: the function is unique
* @AGS_FUNCTION_SOLVE_PIVOT_TABLE: do solve using pivot table
* @AGS_FUNCTION_SOLVE_MAXIMUM_COLON: solve using maximum colon strategy
* @AGS_FUNCTION_SOLVE_GAUSS: solve using gauss strategy
*
* Enum values to control the behavior or indicate internal state of #AgsFunction by
* enable/disable as flags.
*/
typedef enum{
AGS_FUNCTION_LINEAR = 1,
AGS_FUNCTION_EXPONENTIAL = 1 << 1,
AGS_FUNCTION_LOGARITHMIC = 1 << 2,
AGS_FUNCTION_IS_UNIQUE = 1 << 3,
AGS_FUNCTION_SOLVE_PIVOT_TABLE = 1 << 4,
AGS_FUNCTION_SOLVE_MAXIMUM_COLON = 1 << 5,
AGS_FUNCTION_SOLVE_GAUSS = 1 << 6,
}AgsFunctionFlags;
struct _AgsFunction
{
AgsConversion conversion;
guint flags;
gboolean is_pushing;
gchar **equation;
guint equation_count;
gchar **transformed_equation;
guint transformed_equation_count;
gchar *source_function;
gchar *normalized_function;
gchar **symbol;
guint symbol_count;
GList *solver_matrix;
guint pivot_table_count;
guint *row_count;
guint *column_count;
AgsComplex*** pivot_table;
guint solver_level;
AgsComplex **solver_vector;
};
struct _AgsFunctionClass
{
AgsConversionClass conversion;
void (*literal_solve)(AgsFunction *function);
};
struct _AgsSolverMatrix
{
gchar **function_history;
gchar *source_function;
AgsSolverVector **term_table;
guint row_count;
guint column_count;
};
struct _AgsSolverVector
{
gchar *term;
gchar *term_exp;
AgsComplex *numeric_value;
gchar *symbol;
AgsComplex *exp_value;
};
GType ags_function_get_type(void);
gchar** ags_function_collapse_parantheses(AgsFunction *function,
guint *function_count);
gchar** ags_function_find_literals(AgsFunction *function,
guint *symbol_count);
void ags_function_literal_solve(AgsFunction *function);
gboolean ags_function_push_equation(AgsFunction *function,
gchar *equation);
void ags_function_pop_equation(AgsFunction *function,
GError **error);
gchar* ags_function_get_expanded(AgsFunction *function,
gchar **symbol,
guint symbol_count);
gchar* ags_funciton_get_normalized(AgsFunction *function);
AgsComplex* ags_function_compute_term(gchar *term,
gchar *substitute_symbol, AgsComplex *substitute_value);
AgsComplex** ags_function_symbolic_translate_value(AgsFunction *function,
gchar *symbol,
AgsComplex *value);
gboolean ags_function_substitute_values(AgsFunction *function,
gchar *symbol, ...);
AgsComplex* ags_function_translate_value(AgsFunction *function,
AgsComplex *value);
AgsFunction* ags_function_new(gchar *source_function);
#endif /*__AGS_FUNCTION_H__*/
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