Algorithms.h file

Namespaces

namespace nCine: Root namespace of nCine game engine.

Functions

auto lerp(float a, float b, float ratio) -> float: Linearly interpolates between two values by the given ratio.
auto lerp(std::int32_t a, std::int32_t b, float ratio) -> std::int32_t: Linearly interpolates between two integers by the given ratio, rounding the result.
auto lerpByTime(float a, float b, float ratio, float timeMult) -> float: Frame-rate independent interpolation between two values.
auto copyStringFirst(char* dest, std::int32_t destSize, const char* source, std::int32_t count = -1) -> std::int32_t: Copies the beginning of a string into a fixed-size buffer, always null-terminating it.
template<std::size_t size> auto copyStringFirst(char(&dest)[size], const char* source, std::int32_t count = -1) -> std::int32_t: Copies the beginning of a string into a fixed-size array, deducing its size.
template<std::size_t size> auto copyStringFirst(char(&dest)[size], Containers::StringView source) -> std::int32_t: Copies the beginning of a string view into a fixed-size array, deducing its size.
auto formatString(char* buffer, std::size_t maxLen, const char* format, ...) -> std::int32_t: Writes a printf-style formatted string into a buffer.
template<std::size_t size, class ... TArg> auto formatString(char(&dest)[size], const char* format, const TArg&... args) -> std::int32_t: Writes a printf-style formatted string into a fixed-size array, deducing its size.
void u32tos(std::uint32_t value, char* buffer): Writes an unsigned 32-bit integer to a buffer as a decimal string.
void i32tos(std::int32_t value, char* buffer): Writes a signed 32-bit integer to a buffer as a decimal string.
void u64tos(std::uint64_t value, char* buffer): Writes an unsigned 64-bit integer to a buffer as a decimal string.
void i64tos(std::int64_t value, char* buffer): Writes a signed 64-bit integer to a buffer as a decimal string.
void ftos(double value, char* buffer, std::int32_t bufferSize): Writes a floating-point value to a buffer as a decimal string.
auto isDigit(char c) -> bool constexpr: Returns true if the character is a decimal digit.
auto stou32(const char* str, std::size_t length) -> std::uint32_t constexpr: Parses up to length leading decimal digits into an unsigned 32-bit integer.
auto stou64(const char* str, std::size_t length) -> std::uint64_t constexpr: Parses up to length leading decimal digits into an unsigned 64-bit integer.
template<class Iter, class Compare> void sort(Iter begin, Iter end, Compare comp): Sorts the range in place using the given comparator.
template<class Iter> void sort(Iter begin, Iter end): Sorts the range in place into ascending order.
auto halfToFloat(std::uint16_t value) -> float: Converts a 16-bit half-precision value to a single-precision float.
auto floatToHalf(float value) -> std::uint16_t: Converts a single-precision float to a 16-bit half-precision value.
auto parseVersion(Containers::StringView version) -> std::uint64_t constexpr: Packs a dotted version string into a single 64-bit number.
template<class Iterator> static auto toBase64Url(const Iterator begin, const Iterator end) -> std::string: Encodes the byte range into a URL-safe Base64 string (without padding).
auto crc32(Containers::ArrayView<std::uint8_t> data) -> std::uint32_t: Returns the CRC-32 checksum of the given byte buffer.
auto crc32(IO::Stream& stream) -> std::uint32_t: Returns the CRC-32 checksum of the remaining contents of the given stream.