jau::impl Namespace Reference

Functions
void	abortImpl (const char *func, const char *file, const int line, const char *format,...) noexcept
	Use for unconditional ::abort() call with given messages, prefix '[elapsed_time] ABORT @ file:line func: '.
void	dbgPrint1 (const char *format,...) noexcept
void	dbgPrint2 (const char *s) noexcept
void	errPrint (const char *prefix, const bool backtrace, const char *func, const char *file, const int line, const char *format,...) noexcept
constexpr uint32_t	get_host_order () noexcept
bool	runtime_eval (bool v)
void	warnPrint (const char *func, const char *file, const int line, const char *format,...) noexcept
void	wordyPrint (const char *format,...) noexcept

Variables
static constexpr std::array< uint8_t, 256 >	BitRevTable256

Function Documentation

get_host_order()

uint32_t jau::impl::get_host_order ( )

constexprnoexcept

Definition at line 204 of file byte_util.hpp.

runtime_eval()

bool jau::impl::runtime_eval ( bool v )

inline

Definition at line 551 of file cpp_lang_util.hpp.

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dbgPrint1()

void jau::impl::dbgPrint1 ( const char * format, ... )

noexcept

Definition at line 184 of file debug.cpp.

dbgPrint2()

void jau::impl::dbgPrint2 ( const char * s )

noexcept

Definition at line 178 of file debug.cpp.

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abortImpl()

void jau::impl::abortImpl ( const char * func, const char * file, const int line, const char * format, ... )

noexcept

Use for unconditional ::abort() call with given messages, prefix '[elapsed_time] ABORT @ file:line func: '.

Function also appends last errno and strerror(errno).

Definition at line 204 of file debug.cpp.

errPrint()

void jau::impl::errPrint ( const char * prefix, const bool backtrace, const char * func, const char * file, const int line, const char * format, ... )

noexcept

Definition at line 224 of file debug.cpp.

warnPrint()

void jau::impl::warnPrint ( const char * func, const char * file, const int line, const char * format, ... )

noexcept

Definition at line 244 of file debug.cpp.

wordyPrint()

void jau::impl::wordyPrint ( const char * format, ... )

noexcept

Definition at line 194 of file debug.cpp.

Variable Documentation

BitRevTable256

std::array<uint8_t, 256> jau::impl::BitRevTable256

staticconstexpr

Initial value:

=
            []() constexpr -> std::array<uint8_t, 256> {
                using namespace jau::int_literals;
                std::array<uint8_t, 256> result{};
                for (size_t i = 0; i < 256; ++i) {
                    
                    result[i] = ( (i * 0x80200802_u64) & 0x0884422110_u64 ) * 0x0101010101_u64 >> 32;
                }
                return result;
            }()

See also

https://graphics.stanford.edu/~seander/bithacks.html#BitReverseTable

Definition at line 755 of file byte_util.hpp.