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/*
* 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
*
*/
#include "dml_common_defs.h"
#include "../calcs/dcn_calc_math.h"
#include "dml_inline_defs.h"
double dml_round(double a)
{
double round_pt = 0.5;
double ceil = dml_ceil(a);
double floor = dml_floor(a);
if (a - floor >= round_pt)
return ceil;
else
return floor;
}
unsigned int dml_round_to_multiple(
unsigned int num,
unsigned int multiple,
bool 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);
}
bool dml_util_is_420(enum source_format_class sorce_format)
{
bool val = false;
switch (sorce_format) {
case dm_444_16:
val = false;
break;
case dm_444_32:
val = false;
break;
case dm_444_64:
val = false;
break;
case dm_420_8:
val = true;
break;
case dm_420_10:
val = true;
break;
case dm_422_8:
val = false;
break;
case dm_422_10:
val = false;
break;
default:
BREAK_TO_DEBUGGER();
}
return val;
}
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