Wrapper implementing unspecialized half-precision functions. More...

#include <half.hpp>

Static Public Member Functions
static expr	plus (float x, float y)

static expr	minus (float x, float y)

static expr	multiplies (float x, float y)

static expr	divides (float x, float y)

template<typename charT , typename traits >
static std::basic_ostream< charT, traits > &	write (std::basic_ostream< charT, traits > &out, float arg)

template<typename charT , typename traits >
static std::basic_istream< charT, traits > &	read (std::basic_istream< charT, traits > &in, half &arg)

static expr	fmod (float x, float y)

static expr	remainder (float x, float y)

static expr	remquo (float x, float y, int *quo)

static expr	fdim (float x, float y)

static expr	fma (float x, float y, float z)

static half	nanh ()

static expr	exp (float arg)

static expr	expm1 (float arg)

static expr	exp2 (float arg)

static expr	log (float arg)

static expr	log10 (float arg)

static expr	log1p (float arg)

static expr	log2 (float arg)

static expr	sqrt (float arg)

static expr	cbrt (float arg)

static expr	hypot (float x, float y)

static expr	pow (float base, float exp)

static expr	sin (float arg)

static expr	cos (float arg)

static expr	tan (float arg)

static expr	asin (float arg)

static expr	acos (float arg)

static expr	atan (float arg)

static expr	atan2 (float x, float y)

static expr	sinh (float arg)

static expr	cosh (float arg)

static expr	tanh (float arg)

static expr	asinh (float arg)

static expr	acosh (float arg)

static expr	atanh (float arg)

static expr	erf (float arg)

static expr	erfc (float arg)

static expr	lgamma (float arg)

static expr	tgamma (float arg)

static half	floor (half arg)

static half	ceil (half arg)

static half	trunc (half arg)

static half	round (half arg)

static long	lround (half arg)

static half	rint (half arg)

static long	lrint (half arg)

static half	frexp (half arg, int *exp)

static half	modf (half arg, half *iptr)

static half	scalbln (half arg, long exp)

static int	ilogb (half arg)

static half	logb (half arg)

static half	nextafter (half from, half to)

static half	nexttoward (half from, long double to)

static half	copysign (half x, half y)

static int	fpclassify (half arg)

static bool	isfinite (half arg)

static bool	isinf (half arg)

static bool	isnan (half arg)

static bool	isnormal (half arg)

static bool	signbit (half arg)

static bool	isequal (half x, half y)

static bool	isnotequal (half x, half y)

static bool	isgreater (half x, half y)

static bool	isgreaterequal (half x, half y)

static bool	isless (half x, half y)

static bool	islessequal (half x, half y)

static bool	islessgreater (half x, half y)

static bool	isunordered (half x, half y)

Detailed Description

Wrapper implementing unspecialized half-precision functions.

Definition at line 1513 of file half.hpp.

Member Function Documentation

◆ acos()

static expr acos ( float arg )

inlinestatic

Arc cosine implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1803 of file half.hpp.

◆ acosh()

static expr acosh ( float arg )

inlinestatic

Hyperbolic area cosine implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1847 of file half.hpp.

◆ asin()

static expr asin ( float arg )

inlinestatic

Arc sine implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1798 of file half.hpp.

◆ asinh()

static expr asinh ( float arg )

inlinestatic

Hyperbolic area sine implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1834 of file half.hpp.

◆ atan()

static expr atan ( float arg )

inlinestatic

Arc tangent implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1808 of file half.hpp.

◆ atan2()

static expr atan2	(	float	x,
		float	y
	)

inlinestatic

Arc tangent implementation.

Parameters

x	first argument
y	second argument

Returns: function value stored in single-preicision

Definition at line 1814 of file half.hpp.

◆ atanh()

static expr atanh ( float arg )

inlinestatic

Hyperbolic area tangent implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1860 of file half.hpp.

◆ cbrt()

static expr cbrt ( float arg )

inlinestatic

Cubic root implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1747 of file half.hpp.

◆ ceil()

static half ceil ( half arg )

inlinestatic

Ceiling implementation.

Parameters

arg	value to round

Returns: rounded value

Definition at line 1948 of file half.hpp.

◆ copysign()

static half copysign	(	half	x,
		half	y
	)

inlinestatic

Sign implementation

Parameters

x	first operand
y	second operand

Returns: composed value

Definition at line 2159 of file half.hpp.

◆ cos()

static expr cos ( float arg )

inlinestatic

Cosine implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1788 of file half.hpp.

◆ cosh()

static expr cosh ( float arg )

inlinestatic

Hyperbolic cosine implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1824 of file half.hpp.

◆ divides()

static expr divides	(	float	x,
		float	y
	)

inlinestatic

Division implementation.

Parameters

x	first operand
y	second operand

Returns: Half-precision quotient stored in single-precision

Definition at line 1537 of file half.hpp.

◆ erf()

static expr erf ( float arg )

inlinestatic

Error function implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1872 of file half.hpp.

◆ erfc()

static expr erfc ( float arg )

inlinestatic

Complementary implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1884 of file half.hpp.

◆ exp()

static expr exp ( float arg )

inlinestatic

Exponential implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1679 of file half.hpp.

◆ exp2()

static expr exp2 ( float arg )

inlinestatic

Binary exponential implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1696 of file half.hpp.

◆ expm1()

static expr expm1 ( float arg )

inlinestatic

Exponential implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1684 of file half.hpp.

◆ fdim()

static expr fdim	(	float	x,
		float	y
	)

inlinestatic

Positive difference implementation.

Parameters

x	first operand
y	second operand

Returns: Positive difference stored in single-precision

Definition at line 1649 of file half.hpp.

◆ floor()

static half floor ( half arg )

inlinestatic

Floor implementation.

Parameters

arg	value to round

Returns: rounded value

Definition at line 1943 of file half.hpp.

◆ fma()

static expr fma	(	float	x,
		float	y,
		float	z
	)

inlinestatic

Fused multiply-add implementation.

Parameters

x	first operand
y	second operand
z	third operand

Returns: x * y + z stored in single-precision

Definition at line 1663 of file half.hpp.

◆ fmod()

static expr fmod	(	float	x,
		float	y
	)

inlinestatic

Modulo implementation.

Parameters

x	first operand
y	second operand

Returns: Half-precision division remainder stored in single-precision

Definition at line 1566 of file half.hpp.

◆ fpclassify()

static int fpclassify ( half arg )

inlinestatic

Classification implementation.

Parameters

arg	value to classify

Return values

true	if infinite number
false	else

Definition at line 2165 of file half.hpp.

◆ frexp()

static half frexp	(	half	arg,
		int *	exp
	)

inlinestatic

Decompression implementation.

Parameters

arg	number to decompress
exp	address to store exponent at

Returns: normalized significant

Definition at line 1991 of file half.hpp.

◆ hypot()

static expr hypot	(	float	x,
		float	y
	)

inlinestatic

Hypotenuse implementation.

Parameters

x	first argument
y	second argument

Returns: function value stored in single-preicision

Definition at line 1763 of file half.hpp.

◆ ilogb()

static int ilogb ( half arg )

inlinestatic

Exponent implementation.

Parameters

arg	number to query

Returns: floating point exponent

Definition at line 2074 of file half.hpp.

◆ isequal()

static bool isequal	(	half	x,
		half	y
	)

inlinestatic

Comparison implementation.

Parameters

x	first operand
y	second operand

Return values

true	if operands equal
false	else

Definition at line 2206 of file half.hpp.

◆ isfinite()

static bool isfinite ( half arg )

inlinestatic

Classification implementation.

Parameters

arg	value to classify

Return values

true	if finite number
false	else

Definition at line 2175 of file half.hpp.

◆ isgreater()

static bool isgreater	(	half	x,
		half	y
	)

inlinestatic

Comparison implementation.

Parameters

x	first operand
y	second operand

Return values

true	if x > y
false	else

Definition at line 2220 of file half.hpp.

◆ isgreaterequal()

static bool isgreaterequal	(	half	x,
		half	y
	)

inlinestatic

Comparison implementation.

Parameters

x	first operand
y	second operand

Return values

true	if x >= y
false	else

Definition at line 2231 of file half.hpp.

◆ isinf()

static bool isinf ( half arg )

inlinestatic

Classification implementation.

Parameters

arg	value to classify

Return values

true	if infinite number
false	else

Definition at line 2181 of file half.hpp.

◆ isless()

static bool isless	(	half	x,
		half	y
	)

inlinestatic

Comparison implementation.

Parameters

x	first operand
y	second operand

Return values

true	if x < y
false	else

Definition at line 2242 of file half.hpp.

◆ islessequal()

static bool islessequal	(	half	x,
		half	y
	)

inlinestatic

Comparison implementation.

Parameters

x	first operand
y	second operand

Return values

true	if x <= y
false	else

Definition at line 2253 of file half.hpp.

◆ islessgreater()

static bool islessgreater	(	half	x,
		half	y
	)

inlinestatic

Comparison implementation.

Parameters

x	first operand
y	second operand

Return values

true	if either x > y nor x < y
false	else

Definition at line 2264 of file half.hpp.

◆ isnan()

static bool isnan ( half arg )

inlinestatic

Classification implementation.

Parameters

arg	value to classify

Return values

true	if not a number
false	else

Definition at line 2187 of file half.hpp.

◆ isnormal()

static bool isnormal ( half arg )

inlinestatic

Classification implementation.

Parameters

arg	value to classify

Return values

true	if normal number
false	else

Definition at line 2193 of file half.hpp.

◆ isnotequal()

static bool isnotequal	(	half	x,
		half	y
	)

inlinestatic

Comparison implementation.

Parameters

x	first operand
y	second operand

Return values

true	if operands not equal
false	else

Definition at line 2213 of file half.hpp.

◆ isunordered()

static bool isunordered	(	half	x,
		half	y
	)

inlinestatic

Comparison implementation.

Parameters

x	first operand
y	second operand

Return values

true	if operand unordered
false	else

Definition at line 2278 of file half.hpp.

◆ lgamma()

static expr lgamma ( float arg )

inlinestatic

Gamma logarithm implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1896 of file half.hpp.

◆ log()

static expr log ( float arg )

inlinestatic

Logarithm implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1708 of file half.hpp.

◆ log10()

static expr log10 ( float arg )

inlinestatic

Common logarithm implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1713 of file half.hpp.

◆ log1p()

static expr log1p ( float arg )

inlinestatic

Logarithm implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1718 of file half.hpp.

◆ log2()

static expr log2 ( float arg )

inlinestatic

Binary logarithm implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1730 of file half.hpp.

◆ logb()

static half logb ( half arg )

inlinestatic

Exponent implementation.

Parameters

arg	number to query

Returns: floating point exponent

Definition at line 2095 of file half.hpp.

◆ lrint()

static long lrint ( half arg )

inlinestatic

Nearest integer implementation.

Parameters

arg	value to round

Returns: rounded value

Definition at line 1973 of file half.hpp.

◆ lround()

static long lround ( half arg )

inlinestatic

Nearest integer implementation.

Parameters

arg	value to round

Returns: rounded value

Definition at line 1963 of file half.hpp.

◆ minus()

static expr minus	(	float	x,
		float	y
	)

inlinestatic

Subtraction implementation.

Parameters

x	first operand
y	second operand

Returns: Half-precision difference stored in single-precision

Definition at line 1525 of file half.hpp.

◆ modf()

static half modf	(	half	arg,
		half *	iptr
	)

inlinestatic

Decompression implementation.

Parameters

arg	number to decompress
iptr	address to store integer part at

Returns: fractional part

Definition at line 2005 of file half.hpp.

◆ multiplies()

static expr multiplies	(	float	x,
		float	y
	)

inlinestatic

Multiplication implementation.

Parameters

x	first operand
y	second operand

Returns: Half-precision product stored in single-precision

Definition at line 1531 of file half.hpp.

◆ nanh()

static half nanh ( )

inlinestatic

Get NaN.

Returns: Half-precision quiet NaN

Definition at line 1674 of file half.hpp.

◆ nextafter()

static half nextafter	(	half	from,
		half	to
	)

inlinestatic

Enumeration implementation.

Parameters

from	number to increase/decrease
to	direction to enumerate into

Returns: next representable number

Definition at line 2125 of file half.hpp.

◆ nexttoward()

static half nexttoward	(	half	from,
		long double	to
	)

inlinestatic

Enumeration implementation.

Parameters

from	number to increase/decrease
to	direction to enumerate into

Returns: next representable number

Definition at line 2143 of file half.hpp.

◆ plus()

static expr plus	(	float	x,
		float	y
	)

inlinestatic

Addition implementation.

Parameters

x	first operand
y	second operand

Returns: Half-precision sum stored in single-precision

Definition at line 1519 of file half.hpp.

◆ pow()

static expr pow	(	float	base,
		float	exp
	)

inlinestatic

Power implementation.

Parameters

base	value to exponentiate
exp	power to expontiate to

Returns: function value stored in single-preicision

Definition at line 1778 of file half.hpp.

◆ read()

static std::basic_istream< charT, traits > & read	(	std::basic_istream< charT, traits > &	in,
		half &	arg
	)

inlinestatic

Input implementation.

Parameters

in	stream to read from
arg	half to read into

Returns: reference to stream

Definition at line 1554 of file half.hpp.

◆ remainder()

static expr remainder	(	float	x,
		float	y
	)

inlinestatic

Remainder implementation.

Parameters

x	first operand
y	second operand

Returns: Half-precision division remainder stored in single-precision

Definition at line 1572 of file half.hpp.

◆ remquo()

static expr remquo	(	float	x,
		float	y,
		int *	quo
	)

inlinestatic

Remainder implementation.

Parameters

x	first operand
y	second operand
quo	address to store quotient bits at

Returns: Half-precision division remainder stored in single-precision

Definition at line 1603 of file half.hpp.

◆ rint()

static half rint ( half arg )

inlinestatic

Nearest integer implementation.

Parameters

arg	value to round

Returns: rounded value

Definition at line 1968 of file half.hpp.

◆ round()

static half round ( half arg )

inlinestatic

Nearest integer implementation.

Parameters

arg	value to round

Returns: rounded value

Definition at line 1958 of file half.hpp.

◆ scalbln()

static half scalbln	(	half	arg,
		long	exp
	)

inlinestatic

Scaling implementation.

Parameters

arg	number to scale
exp	power of two to scale by

Returns: scaled number

Definition at line 2026 of file half.hpp.

◆ signbit()

static bool signbit ( half arg )

inlinestatic

Sign bit implementation.

Parameters

arg	value to check

Return values

true	if signed
false	if unsigned

Definition at line 2199 of file half.hpp.

◆ sin()

static expr sin ( float arg )

inlinestatic

Sine implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1783 of file half.hpp.

◆ sinh()

static expr sinh ( float arg )

inlinestatic

Hyperbolic sine implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1819 of file half.hpp.

◆ sqrt()

static expr sqrt ( float arg )

inlinestatic

Square root implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1742 of file half.hpp.

◆ tan()

static expr tan ( float arg )

inlinestatic

Tan implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1793 of file half.hpp.

◆ tanh()

static expr tanh ( float arg )

inlinestatic

Hyperbolic tangent implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1829 of file half.hpp.

◆ tgamma()

static expr tgamma ( float arg )

inlinestatic

Gamma implementation.

Parameters

arg	function argument

Returns: function value stored in single-preicision

Definition at line 1918 of file half.hpp.

◆ trunc()

static half trunc ( half arg )

inlinestatic

Truncation implementation.

Parameters

arg	value to round

Returns: rounded value

Definition at line 1953 of file half.hpp.

◆ write()

static std::basic_ostream< charT, traits > & write	(	std::basic_ostream< charT, traits > &	out,
		float	arg
	)

inlinestatic

Output implementation.

Parameters

out	stream to write to
arg	value to write

Returns: reference to stream

Definition at line 1544 of file half.hpp.

The documentation for this struct was generated from the following file:

src/half/half.hpp

Static Public Member Functions

Detailed Description

Member Function Documentation

◆ acos()

◆ acosh()

◆ asin()

◆ asinh()

◆ atan()

◆ atan2()

◆ atanh()

◆ cbrt()

◆ ceil()

◆ copysign()

◆ cos()

◆ cosh()

◆ divides()

◆ erf()

◆ erfc()

◆ exp()

◆ exp2()

◆ expm1()

◆ fdim()

◆ floor()

◆ fma()

◆ fmod()

◆ fpclassify()

◆ frexp()

◆ hypot()

◆ ilogb()

◆ isequal()

◆ isfinite()

◆ isgreater()

◆ isgreaterequal()

◆ isinf()

◆ isless()

◆ islessequal()

◆ islessgreater()

◆ isnan()

◆ isnormal()

◆ isnotequal()

◆ isunordered()

◆ lgamma()

◆ log()

◆ log10()

◆ log1p()

◆ log2()

◆ logb()

◆ lrint()

◆ lround()

◆ minus()

◆ modf()

◆ multiplies()

◆ nanh()

◆ nextafter()

◆ nexttoward()

◆ plus()

◆ pow()

◆ read()

◆ remainder()

◆ remquo()

◆ rint()

◆ round()

◆ scalbln()

◆ signbit()

◆ sin()

◆ sinh()

◆ sqrt()

◆ tan()

◆ tanh()

◆ tgamma()

◆ trunc()

◆ write()