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/*
* Project: SILX: Alogorithms for image processing
*
* Copyright (C) 2013-2017 European Synchrotron Radiation Facility
* Grenoble, France
*
* Principal authors: J. Kieffer (kieffer@esrf.fr)
*
* 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 AUTHORS OR COPYRIGHT
* HOLDERS 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.
*/
#ifndef NB_COLOR
#define NB_COLOR 1
#endif
/**
* \brief Cast values of an array of uint8 into a float output array.
*
* :param array_input: Pointer to global memory with the input data as unsigned8 array
* :param array_float: Pointer to global memory with the output data as float array
* :param width: Width of the image
* :param height: Height of the image
*/
kernel void u8_to_float( global unsigned char *array_input,
global float *array_float,
const int width,
const int height)
{
//Global memory guard for padding
if ((get_global_id(0) < width) && (get_global_id(1)<height))
{
int i = NB_COLOR * (get_global_id(0) + width * get_global_id(1));
for (int c=0; c<NB_COLOR; c++)
{
array_float[i + c] = (float) array_input[i + c];
} //end loop over colors
} //end test in image
} //end kernel
/**
* \brief Cast values of an array of uint8 into a float output array.
*
* :param array_input: Pointer to global memory with the input data as signed8 array
* :param array_float: Pointer to global memory with the output data as float array
* :param width: Width of the image
* :param height: Height of the image
*/
kernel void s8_to_float( global char *array_input,
global float *array_float,
const int width,
const int height)
{
//Global memory guard for padding
if ((get_global_id(0) < width) && (get_global_id(1)<height))
{
int i = NB_COLOR * (get_global_id(0) + width * get_global_id(1));
for (int c=0; c<NB_COLOR; c++)
{
array_float[i + c] = (float) array_input[i + c];
} //end loop over colors
} //end test in image
} //end kernel
/**
* \brief cast values of an array of uint16 into a float output array.
*
* :param array_input: Pointer to global memory with the input data as unsigned16 array
* :param array_float: Pointer to global memory with the output data as float array
* :param width: Width of the image
* :param height: Height of the image
*/
kernel void u16_to_float(global unsigned short *array_input,
global float *array_float,
const int width,
const int height)
{
//Global memory guard for padding
if ((get_global_id(0) < width) && (get_global_id(1)<height))
{
int i = NB_COLOR * (get_global_id(0) + width * get_global_id(1));
for (int c=0; c<NB_COLOR; c++)
{
array_float[i + c] = (float) array_input[i + c];
} //end loop over colors
} //end test in image
} //end kernel
/**
* \brief cast values of an array of int16 into a float output array.
*
* :param array_input: Pointer to global memory with the input data as signed16 array
* :param array_float: Pointer to global memory with the output data as float array
* :param width: Width of the image
* :param height: Height of the image
*/
kernel void s16_to_float(global short *array_input,
global float *array_float,
const int width,
const int height)
{
//Global memory guard for padding
if ((get_global_id(0) < width) && (get_global_id(1)<height))
{
int i = NB_COLOR * (get_global_id(0) + width * get_global_id(1));
for (int c=0; c<NB_COLOR; c++)
{
array_float[i + c] = (float) array_input[i + c];
} //end loop over colors
} //end test in image
}//end kernel
/**
* \brief cast values of an array of uint32 into a float output array.
*
* :param array_input: Pointer to global memory with the input data as unsigned32 array
* :param array_float: Pointer to global memory with the output data as float array
* :param width: Width of the image
* :param height: Height of the image
*/
kernel void u32_to_float(global unsigned int *array_input,
global float *array_float,
const int width,
const int height)
{
//Global memory guard for padding
if ((get_global_id(0) < width) && (get_global_id(1)<height))
{
int i = NB_COLOR * (get_global_id(0) + width * get_global_id(1));
for (int c=0; c<NB_COLOR; c++)
{
array_float[i + c] = (float) array_input[i + c];
} //end loop over colors
} //end test in image
}//end kernel
/**
* \brief convert values of an array of int32 into a float output array.
*
* :param array_input: Pointer to global memory with the data in int
* :param array_float: Pointer to global memory with the data in float
* :param width: Width of the image
* :param height: Height of the image
*/
kernel void s32_to_float(global int *array_input,
global float *array_float,
const int width,
const int height)
{
//Global memory guard for padding
if ((get_global_id(0) < width) && (get_global_id(1)<height))
{
int i = NB_COLOR * (get_global_id(0) + width * get_global_id(1));
for (int c=0; c<NB_COLOR; c++)
{
array_float[i + c] = (float) array_input[i + c];
} //end loop over colors
} //end test in image
}//end kernel
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