tsFloatUtils.h File Reference

Some utilities on floating point types. More...

Classes
struct	ts::ieee_float< storage_bits, exponent_bits, mantissa_bits >
	Definition of an IEEE floating point type with a given represenation. More...

Namespaces
namespace	ts
	TSDuck namespace, containing all TSDuck classes and functions.

Typedefs
using	ts::ieee_float128_t = typename ieee_float< 128, 15, 112 >::type
	128-bit IEEE floating point type.
using	ts::ieee_float32_t = typename ieee_float< 32, 8, 23 >::type
	32-bit IEEE floating point type.
using	ts::ieee_float64_t = typename ieee_float< 64, 11, 52 >::type
	64-bit IEEE floating point type.
using	ts::ieee_float80_t = typename ieee_float< 80, 15, 64 >::type
	80-bit IEEE floating point type.

Functions
template<typename T > requires std::floating_point<T>
bool	ts::equal_float (T a, T b, T epsilon=2 *std::numeric_limits< T >::epsilon())
	This template function compares two floating point values for approximated equality.
ieee_float32_t	ts::GetFloat32 (const void *p)
	Function getting a 32-bit IEEE float from serialized data in big endian representation.
ieee_float32_t	ts::GetFloat32BE (const void *p)
	Function getting a 32-bit IEEE float from serialized data in big endian representation.
ieee_float32_t	ts::GetFloat32LE (const void *p)
	Function getting a 32-bit IEEE float from serialized data in little endian representation.
ieee_float64_t	ts::GetFloat64 (const void *p)
	Function getting a 64-bit IEEE float from serialized data in big endian representation.
ieee_float64_t	ts::GetFloat64BE (const void *p)
	Function getting a 64-bit IEEE float from serialized data in big endian representation.
ieee_float64_t	ts::GetFloat64LE (const void *p)
	Function getting a 64-bit IEEE float from serialized data in little endian representation.
template<typename T , int storage_bits, int exponent_bits, int mantissa_bits> requires std::floating_point<T>
constexpr bool	ts::match_ieee_float ()
	This template function checks if a floating point type matches a given IEEE represenation.
void	ts::PutFloat32 (void *p, ieee_float32_t f)
	Function serializing a 32-bit IEEE float data in big endian representation.
void	ts::PutFloat32BE (void *p, ieee_float32_t f)
	Function serializing a 32-bit IEEE float data in big endian representation.
void	ts::PutFloat32LE (void *p, ieee_float32_t f)
	Function serializing a 32-bit IEEE float data in little endian representation.
void	ts::PutFloat64 (void *p, ieee_float64_t f)
	Function serializing a 64-bit IEEE float data in big endian representation.
void	ts::PutFloat64BE (void *p, ieee_float64_t f)
	Function serializing a 64-bit IEEE float data in big endian representation.
void	ts::PutFloat64LE (void *p, ieee_float64_t f)
	Function serializing a 64-bit IEEE float data in little endian representation.

Detailed Description

Some utilities on floating point types.