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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-common-lib
* Created on: 1 апр. 2020 г.
*
* lsp-common-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-common-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-common-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_COMMON_BITS_H_
#define LSP_PLUG_IN_COMMON_BITS_H_
#include <lsp-plug.in/common/version.h>
#include <lsp-plug.in/common/types.h>
// Declare array only for specific architectures
#if defined(ARCH_ARM7) || defined(ARCH_ARM6)
/* nothing */
#elif defined(ARCH_AARCH64)
/* nothing */
#else
namespace lsp
{
LSP_COMMON_LIB_PUBLIC
extern const uint8_t lsp_rb_data[];
} /* namespace lsp */
#endif
// Include CPU-optimized code for bit reversal
#define LSP_PLUG_IN_COMMON_BITS_IMPL
#if defined(ARCH_X86)
#include <lsp-plug.in/common/arch/x86/bits/reverse.h>
#include <lsp-plug.in/common/arch/x86/bits/int_log2.h>
#elif defined(ARCH_AARCH64)
#include <lsp-plug.in/common/arch/aarch64/bits/reverse.h>
#include <lsp-plug.in/common/arch/aarch64/bits/int_log2.h>
#elif defined(ARCH_ARM7)
#include <lsp-plug.in/common/arch/arm/bits/reverse-armv7.h>
#include <lsp-plug.in/common/arch/arm/bits/int_log2.h>
#elif defined(ARCH_ARM6)
#include <lsp-plug.in/common/arch/arm/bits/reverse-armv6.h>
#include <lsp-plug.in/common/arch/arm/bits/int_log2.h>
#else
#include <lsp-plug.in/common/arch/generic/bits/reverse.h>
#include <lsp-plug.in/common/arch/generic/bits/int_log2.h>
#endif
#undef LSP_PLUG_IN_COMMON_BITS_IMPL
namespace lsp
{
/**
* Round the integer value up to power of 2
* @tparam T integer value
* @param value value to round
* @return rounded value
*/
template <class T>
T round_pow2(T value)
{
T rounded = 1 << int_log2(value);
return (rounded == value) ? rounded : rounded << 1;
}
} /* namespace lsp */
#endif /* LSP_PLUG_IN_COMMON_BITS_H_ */
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