/*******************************************************************************
*
 * Copyright (c) 2013 - 2016, Freescale Semiconductor, Inc.
 * Copyright 2016-2021 NXP
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * o Redistributions of source code must retain the above copyright notice, this list
 *   of conditions and the following disclaimer.
 * o 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.
 *
 * o 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 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* 
*
****************************************************************************//*!
*
* @brief  Multiply negate accumulate
* 
*******************************************************************************/
#ifndef _MLIB_MNAC_F32_H_
#define _MLIB_MNAC_F32_H_

#if defined(__cplusplus)
extern "C" {
#endif

/*******************************************************************************
* Includes
*******************************************************************************/
#include "mlib_types.h"
#include "MLIB_Add_F32.h"
#include "MLIB_Sub_F32.h"
#include "MLIB_Mul_F32.h"

/*******************************************************************************
* Macros
*******************************************************************************/                       
#define MLIB_Mnac_F32lss_Ci(f32Accum, f16Mult1, f16Mult2)                       \
        MLIB_Mnac_F32lss_FCi(f32Accum, f16Mult1, f16Mult2)                      

/***************************************************************************//*!
*
* f32Out = - f32Accum + ( f16Mult1 * f16Mult2)
* Without saturation
*******************************************************************************/
static inline frac32_t MLIB_Mnac_F32lss_FCi(register frac32_t f32Accum, 
                                            register frac16_t f16Mult1, register frac16_t f16Mult2)
{
    frac32_t f32Temp;
    f32Temp = MLIB_Mul_F32ss_Ci(f16Mult1,f16Mult2);
    return(MLIB_Sub_F32_Ci(f32Temp, f32Accum));
}
#if defined(__cplusplus)
}
#endif

#endif  /* _MLIB_MNAC_F32_H_ */
