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9d152e9c66
Add helper functions for converting between floating point and fixed point numbers. Also add tests for them. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Stefan Klug <stefan.klug@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2024, Paul Elder <paul.elder@ideasonboard.com>
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*
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* Miscellaneous utility functions specific to rkisp1
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*/
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#include "utils.h"
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/**
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* \file utils.h
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*/
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namespace libcamera {
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namespace ipa::rkisp1::utils {
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/**
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* \fn R floatingToFixedPoint(T number)
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* \brief Convert a floating point number to a fixed-point representation
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* \tparam I Bit width of the integer part of the fixed-point
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* \tparam F Bit width of the fractional part of the fixed-point
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* \tparam R Return type of the fixed-point representation
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* \tparam T Input type of the floating point representation
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* \param number The floating point number to convert to fixed point
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* \return The converted value
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*/
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/**
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* \fn R fixedToFloatingPoint(T number)
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* \brief Convert a fixed-point number to a floating point representation
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* \tparam I Bit width of the integer part of the fixed-point
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* \tparam F Bit width of the fractional part of the fixed-point
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* \tparam R Return type of the floating point representation
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* \tparam T Input type of the fixed-point representation
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* \param number The fixed point number to convert to floating point
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* \return The converted value
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*/
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} /* namespace ipa::rkisp1::utils */
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} /* namespace libcamera */
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