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/*
Copyright (C) 2017-2020, Dirk Krause
SPDX-License-Identifier: BSD-3-Clause
*/
/*
WARNING: This file was generated by the dkct program (see
http://dktools.sourceforge.net/ for details).
Changes you make here will be lost if dkct is run again!
You should modify the original source and run dkct on it.
Original source: dk4pxbit.ctr
*/
/** @file dk4pxbit.c The dk4pxbit module.
*/
#line 77 "dk4pxbit.ctr"
#include "dk4conf.h"
#ifndef DK4PXBIT_H_INCLUDED
#include "dk4pxbit.h"
#endif
#line 86 "dk4pxbit.ctr"
/** Bit number values.
*/
static dk4_px_t dk4pxbit_values[] = {
0x0001U, 0x0002U, 0x0004U, 0x0008U, 0x0010U, 0x0020U, 0x0040U, 0x0080U,
0x0100U, 0x0200U, 0x0400U, 0x0800U, 0x1000U, 0x2000U, 0x4000U, 0x8000U
};
/** Maxima values.
*/
static dk4_px_t dk4pxbit_maxima[] = {
0x0001U, 0x0003U, 0x0007U, 0x000FU, 0x001FU, 0x003FU, 0x007FU, 0x00FFU,
0x01FFU, 0x03FFU, 0x07FFU, 0x0FFFU, 0x1FFFU, 0x3FFFU, 0x7FFFU, 0xFFFFU
};
dk4_px_t
dk4pxbit_get_bit(size_t bitno)
{
if ((sizeof(dk4pxbit_values)/sizeof(dk4_px_t)) > bitno) {
return (dk4pxbit_values[bitno]);
}
return ((dk4_px_t)0U);
}
dk4_px_t
dk4pxbit_get_max(size_t bitno)
{
dk4_px_t back = 0;
#line 122 "dk4pxbit.ctr"
if (((sizeof(dk4pxbit_maxima)/sizeof(dk4_px_t)) > bitno) && (0 < bitno)) {
back = dk4pxbit_maxima[bitno - 1];
}
#line 126 "dk4pxbit.ctr"
return back;
}
size_t
dk4pxbit_get_bitno(dk4_px_t maxval)
{
size_t back = 16;
size_t i = 15;
int cc = 1;
for (i = 15; ((i > 0) && (1 == cc)); i--) {
if (dk4pxbit_maxima[i - 1] >= maxval) {
back = i;
}
else {
cc = 0;
}
}
return back;
}
/* vim: set ai sw=4 ts=4 : */
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