mmal_util_rational.h

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/*
Copyright (c) 2012, Broadcom Europe Ltd
All rights reserved.

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modification, are permitted provided that the following conditions are met:
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      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.
    * Neither the name of the copyright holder nor the
      names of its contributors may be used to endorse or promote products
      derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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*/

#ifndef MMAL_UTIL_RATIONAL_H
#define MMAL_UTIL_RATIONAL_H

#include "interface/mmal/mmal_types.h"

#ifdef __cplusplus
extern "C" {
#endif

MMAL_RATIONAL_T mmal_rational_add(MMAL_RATIONAL_T a, MMAL_RATIONAL_T b);

MMAL_RATIONAL_T mmal_rational_subtract(MMAL_RATIONAL_T a, MMAL_RATIONAL_T b);

MMAL_RATIONAL_T mmal_rational_multiply(MMAL_RATIONAL_T a, MMAL_RATIONAL_T b);

MMAL_RATIONAL_T mmal_rational_divide(MMAL_RATIONAL_T a, MMAL_RATIONAL_T b);

int32_t mmal_rational_to_fixed_16_16(MMAL_RATIONAL_T rational);

MMAL_RATIONAL_T mmal_rational_from_fixed_16_16(int32_t fixed);

void mmal_rational_simplify(MMAL_RATIONAL_T *rational);

MMAL_BOOL_T mmal_rational_equal(MMAL_RATIONAL_T a, MMAL_RATIONAL_T b);

#ifdef __cplusplus
}
#endif

#endif