/usr/include/gwyddion/libgwyddion/gwysiunit.h is in libgwyddion20-dev 2.44-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* @(#) $Id: gwysiunit.h 16573 2014-09-19 20:02:32Z yeti-dn $
* Copyright (C) 2004 David Necas (Yeti), Petr Klapetek.
* E-mail: yeti@gwyddion.net, klapetek@gwyddion.net.
*
* 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 __GWY_SI_UNIT_H__
#define __GWY_SI_UNIT_H__
#include <glib-object.h>
#include <libgwyddion/gwyserializable.h>
#include <libgwyddion/gwyddionenums.h>
G_BEGIN_DECLS
#define GWY_TYPE_SI_UNIT (gwy_si_unit_get_type())
#define GWY_SI_UNIT(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GWY_TYPE_SI_UNIT, GwySIUnit))
#define GWY_SI_UNIT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GWY_TYPE_SI_UNIT, GwySIUnitClass))
#define GWY_IS_SI_UNIT(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GWY_TYPE_SI_UNIT))
#define GWY_IS_SI_UNIT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GWY_TYPE_SI_UNIT))
#define GWY_SI_UNIT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GWY_TYPE_SI_UNIT, GwySIUnitClass))
#define GWY_TYPE_SI_VALUE_FORMAT (gwy_si_value_format_get_type())
typedef struct _GwySIUnit GwySIUnit;
typedef struct _GwySIUnitClass GwySIUnitClass;
typedef struct {
/*<public>*/
gdouble magnitude;
gint precision;
gchar *units;
GString *units_gstring;
} GwySIValueFormat;
struct _GwySIUnit {
GObject parent_instance;
gint power10;
GArray *units;
gpointer reserved1;
gint int1;
};
struct _GwySIUnitClass {
GObjectClass parent_class;
void (*value_changed)(GwySIUnit *siunit);
void (*reserved1)(void);
void (*reserved2)(void);
};
#define gwy_si_unit_duplicate(siunit) \
(GWY_SI_UNIT(gwy_serializable_duplicate(G_OBJECT(siunit))))
GType gwy_si_unit_get_type (void) G_GNUC_CONST;
GType gwy_si_value_format_get_type(void) G_GNUC_CONST;
GwySIUnit* gwy_si_unit_new (const gchar *unit_string);
GwySIUnit* gwy_si_unit_new_parse (const gchar *unit_string,
gint *power10);
void gwy_si_unit_set_from_string (GwySIUnit *siunit,
const gchar *unit_string);
void gwy_si_unit_set_from_string_parse(GwySIUnit *siunit,
const gchar *unit_string,
gint *power10);
gchar* gwy_si_unit_get_string (GwySIUnit *siunit,
GwySIUnitFormatStyle style);
GwySIUnit* gwy_si_unit_multiply (GwySIUnit *siunit1,
GwySIUnit *siunit2,
GwySIUnit *result);
GwySIUnit* gwy_si_unit_divide (GwySIUnit *siunit1,
GwySIUnit *siunit2,
GwySIUnit *result);
GwySIUnit* gwy_si_unit_power (GwySIUnit *siunit,
gint power,
GwySIUnit *result);
GwySIUnit* gwy_si_unit_nth_root (GwySIUnit *siunit,
gint ipower,
GwySIUnit *result);
GwySIUnit* gwy_si_unit_power_multiply (GwySIUnit *siunit1,
gint power1,
GwySIUnit *siunit2,
gint power2,
GwySIUnit *result);
gboolean gwy_si_unit_equal (GwySIUnit *siunit1,
GwySIUnit *siunit2);
GwySIValueFormat* gwy_si_unit_get_format (GwySIUnit *siunit,
GwySIUnitFormatStyle style,
gdouble value,
GwySIValueFormat *format);
GwySIValueFormat* gwy_si_unit_get_format_for_power10(GwySIUnit *siunit,
GwySIUnitFormatStyle style,
gint power10,
GwySIValueFormat *format);
GwySIValueFormat* gwy_si_unit_get_format_with_resolution(GwySIUnit *siunit,
GwySIUnitFormatStyle style,
gdouble maximum,
gdouble resolution,
GwySIValueFormat *format);
GwySIValueFormat* gwy_si_unit_get_format_with_digits(GwySIUnit *siunit,
GwySIUnitFormatStyle style,
gdouble maximum,
gint sdigits,
GwySIValueFormat *format);
void gwy_si_unit_value_format_free (GwySIValueFormat *format);
GwySIValueFormat* gwy_si_unit_value_format_copy (GwySIValueFormat *format);
void gwy_si_unit_value_format_set_units(GwySIValueFormat *format,
const gchar *units);
G_END_DECLS
#endif /* __GWY_SI_UNIT_H__ */
/* vim: set cin et ts=4 sw=4 cino=>1s,e0,n0,f0,{0,}0,^0,\:1s,=0,g1s,h0,t0,+1s,c3,(0,u0 : */
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