/src/ffmpeg/libavutil/intfloat.h

Source
/*
 * Copyright (c) 2011 Mans Rullgard
 *
 * This file is part of FFmpeg.
 *
 * FFmpeg is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * FFmpeg 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVUTIL_INTFLOAT_H
#define AVUTIL_INTFLOAT_H

#include <stdint.h>
#include "attributes.h"

union av_intfloat32 {
    uint32_t i;
    float    f;
};

union av_intfloat64 {
    uint64_t i;
    double   f;
};

/**
 * Reinterpret a 32-bit integer as a float.
 */
static av_always_inline float av_int2float(uint32_t i)
{
    union av_intfloat32 v;
    v.i = i;
    return v.f;
}

/**
 * Reinterpret a float as a 32-bit integer.
 */
static av_always_inline uint32_t av_float2int(float f)
{
    union av_intfloat32 v;
    v.f = f;
    return v.i;
}

/**
 * Reinterpret a 64-bit integer as a double.
 */
static av_always_inline double av_int2double(uint64_t i)
{
    union av_intfloat64 v;
    v.i = i;
    return v.f;
}

/**
 * Reinterpret a double as a 64-bit integer.
 */
static av_always_inline uint64_t av_double2int(double f)
{
    union av_intfloat64 v;
    v.f = f;
    return v.i;
}

#endif /* AVUTIL_INTFLOAT_H */

Coverage Report

Created: 2026-01-25 07:18

Line	Count	Source
1		/*
2		* Copyright (c) 2011 Mans Rullgard
3		*
4		* This file is part of FFmpeg.
5		*
6		* FFmpeg is free software; you can redistribute it and/or
7		* modify it under the terms of the GNU Lesser General Public
8		* License as published by the Free Software Foundation; either
9		* version 2.1 of the License, or (at your option) any later version.
10		*
11		* FFmpeg is distributed in the hope that it will be useful,
12		* but WITHOUT ANY WARRANTY; without even the implied warranty of
13		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14		* Lesser General Public License for more details.
15		*
16		* You should have received a copy of the GNU Lesser General Public
17		* License along with FFmpeg; if not, write to the Free Software
18		* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19		*/
20
21		#ifndef AVUTIL_INTFLOAT_H
22		#define AVUTIL_INTFLOAT_H
23
24		#include <stdint.h>
25		#include "attributes.h"
26
27		union av_intfloat32 {
28		uint32_t i;
29		float f;
30		};
31
32		union av_intfloat64 {
33		uint64_t i;
34		double f;
35		};
36
37		/**
38		* Reinterpret a 32-bit integer as a float.
39		*/