/*

 * Copyright (c) 2011 Mans Rullgard

 *

 * This file is part of Libav.

 *

 * Libav 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.

 *

 * Libav 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 Libav; 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 */