/*
 * Copyright 2017 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: AMD
 *
 */

#ifndef __DML_INLINE_DEFS_H__
#define __DML_INLINE_DEFS_H__

#include "dcn_calc_math.h"
#include "dml_logger.h"

static inline double dml_min(double a, double b)
{
        return (double)dcn_bw_min2((float)a, (float)b);
}

static inline double dml_min3(double a, double b, double c)
{
        return dml_min(dml_min(a, b), c);
}

static inline double dml_min4(double a, double b, double c, double d)
{
        return dml_min(dml_min(a, b), dml_min(c, d));
}

static inline double dml_max(double a, double b)
{
        return (double)dcn_bw_max2((float)a, (float)b);
}

static inline double dml_max3(double a, double b, double c)
{
        return dml_max(dml_max(a, b), c);
}

static inline double dml_max4(double a, double b, double c, double d)
{
        return dml_max(dml_max(a, b), dml_max(c, d));
}

static inline double dml_max5(double a, double b, double c, double d, double e)
{
        return dml_max(dml_max4(a, b, c, d), e);
}

static inline double dml_ceil(double a, double granularity)
{
        if (granularity == 0)
                return 0;
        return (double)dcn_bw_ceil2((float)a, (float)granularity);
}

static inline double dml_floor(double a, double granularity)
{
        if (granularity == 0)
                return 0;
        return (double)dcn_bw_floor2((float)a, (float)granularity);
}

static inline double dml_round(double a)
{
        const double round_pt = 0.5;

        return dml_floor(a + round_pt, 1);
}

/* float
static inline int dml_log2(float x)
{
        unsigned int ix = *((unsigned int *)&x);

        return (int)((ix >> 23) & 0xff) - 127;
}*/

/* double */
static inline int dml_log2(double x)
{
        unsigned long long ix = *((unsigned long long *)&x);

        return (int)((ix >> 52) & 0x7ff) - 1023;
}

static inline double dml_pow(double a, int exp)
{
        return (double)dcn_bw_pow((float)a, (float)exp);
}

static inline double dml_fmod(double f, int val)
{
        return (double)dcn_bw_mod((float)f, (float)val);
}

static inline double dml_ceil_2(double f)
{
        return (double)dcn_bw_ceil2((float)f, 2.0f);
}

static inline double dml_ceil_ex(double x, double granularity)
{
        if (granularity == 0)
                return 0;
        return (double)dcn_bw_ceil2((float)x, (float)granularity);
}

static inline double dml_floor_ex(double x, double granularity)
{
        if (granularity == 0)
                return 0;
        return (double)dcn_bw_floor2((float)x, (float)granularity);
}

static inline unsigned int dml_round_to_multiple(unsigned int num,
                                                 unsigned int multiple,
                                                 unsigned char up)
{
        unsigned int remainder;

        if (multiple == 0)
                return num;

        remainder = num % multiple;

        if (remainder == 0)
                return num;

        if (up)
                return (num + multiple - remainder);
        else
                return (num - remainder);
}
static inline double dml_abs(double a)
{
        if (a > 0)
                return a;
        else
                return (a*(-1));
}

#endif