Single Precision Floating-point Mathematical Functions

Functions

Single Precision Floating-point Mathematical Functions

Device APIs » Math API

Collaboration diagram for Single Precision Floating-point Mathematical Functions:

Functions
__DEVICE__ float	acosf (float __x)
	Returns the arc cosine of x.
__DEVICE__ float	acoshf (float __x)
	Returns the nonnegative arc hyperbolic cosine of x.
__DEVICE__ float	asinf (float __x)
	Returns the arc sine of x.
__DEVICE__ float	asinhf (float __x)
	Returns the arc hyperbolic sine of x.
__DEVICE__ float	atan2f (float __x, float __y)
	Returns the arc tangent of the ratio of x and y.
__DEVICE__ float	atanf (float __x)
	Returns the arc tangent of x.
__DEVICE__ float	atanhf (float __x)
	Returns the arc hyperbolic tangent of x.
__DEVICE__ float	cbrtf (float __x)
	Returns the cube root of x.
__DEVICE__ float	ceilf (float __x)
	Returns ceiling of x.
__DEVICE__ float	copysignf (float __x, float __y)
	Create value with given magnitude, copying sign of second value.
__DEVICE__ float	cosf (float __x)
	Returns the cosine of x.
__DEVICE__ float	coshf (float __x)
	Returns the hyperbolic cosine of x.
__DEVICE__ float	cospif (float __x)
	Returns the cosine of \( \pi x\).
__DEVICE__ float	cyl_bessel_i0f (float __x)
	Returns the value of the regular modified cylindrical Bessel function of order 0 for x.
__DEVICE__ float	cyl_bessel_i1f (float __x)
	Returns the value of the regular modified cylindrical Bessel function of order 1 for x.
__DEVICE__ float	erfcf (float __x)
	Returns the complementary error function of x.
__DEVICE__ float	erfcinvf (float __x)
	Returns the inverse complementary function of x.
__DEVICE__ float	erfcxf (float __x)
	Returns the scaled complementary error function of x.
__DEVICE__ float	erff (float __x)
	Returns the error function of x.
__DEVICE__ float	erfinvf (float __x)
	Returns the inverse error function of x.
__DEVICE__ float	exp10f (float __x)
	Returns \( 10^x \).
__DEVICE__ float	exp2f (float __x)
	Returns \( 2^x \).
__DEVICE__ float	expf (float __x)
	Returns \( e^x \).
__DEVICE__ float	expm1f (float __x)
	Returns \( \ln x - 1 \).
__DEVICE__ float	fabsf (float __x)
	Returns the absolute value of x
__DEVICE__ float	fdimf (float __x, float __y)
	Returns the positive difference between x and y.
__DEVICE__ float	fdividef (float __x, float __y)
	Divide two floating point values.
__DEVICE__ float	floorf (float __x)
	Returns the largest integer less than or equal to x.
__DEVICE__ float	fmaf (float __x, float __y, float __z)
	Returns \(x \cdot y + z\) as a single operation.
__DEVICE__ float	fmaxf (float __x, float __y)
	Determine the maximum numeric value of x and y.
__DEVICE__ float	fminf (float __x, float __y)
	Determine the minimum numeric value of x and y.
__DEVICE__ float	fmodf (float __x, float __y)
	Returns the floating-point remainder of x / y.
__DEVICE__ float	frexpf (float __x, int *__nptr)
	Extract mantissa and exponent of x.
__DEVICE__ float	hypotf (float __x, float __y)
	Returns the square root of the sum of squares of x and y.
__DEVICE__ int	ilogbf (float __x)
	Returns the unbiased integer exponent of x.
__DEVICE__ __RETURN_TYPE	__finitef (float __x)
	Determine whether x is finite.
__DEVICE__ __RETURN_TYPE	__isinff (float __x)
	Determine whether x is infinite.
__DEVICE__ __RETURN_TYPE	__isnanf (float __x)
	Determine whether x is a NaN.
__DEVICE__ float	j0f (float __x)
	Returns the value of the Bessel function of the first kind of order 0 for x.
__DEVICE__ float	j1f (float __x)
	Returns the value of the Bessel function of the first kind of order 1 for x.
__DEVICE__ float	jnf (int __n, float __x)
	Returns the value of the Bessel function of the first kind of order n for x.
__DEVICE__ float	ldexpf (float __x, int __e)
	Returns the value of \(x \cdot 2^{e}\) for x and e.
__DEVICE__ float	lgammaf (float __x)
	Returns the natural logarithm of the absolute value of the gamma function of x.
__DEVICE__ long long int	llrintf (float __x)
	Round x to nearest integer value.
__DEVICE__ long long int	llroundf (float __x)
	Round to nearest integer value.
__DEVICE__ float	log10f (float __x)
	Returns the base 10 logarithm of x.
__DEVICE__ float	log1pf (float __x)
	Returns the natural logarithm of x + 1.
__DEVICE__ float	log2f (float __x)
	Returns the base 2 logarithm of x.
__DEVICE__ float	logbf (float __x)
	Returns the floating point representation of the exponent of x.
__DEVICE__ float	logf (float __x)
	Returns the natural logarithm of x.
__DEVICE__ long int	lrintf (float __x)
	Round x to nearest integer value.
__DEVICE__ long int	lroundf (float __x)
	Round to nearest integer value.
__DEVICE__ float	modff (float __x, float *__iptr)
	Break down x into fractional and integral parts.
__DEVICE__ float	nanf (const char *__tagp __attribute__((nonnull)))
	Returns "Not a Number" value.
__DEVICE__ float	nearbyintf (float __x)
	Round x to the nearest integer.
__DEVICE__ float	nextafterf (float __x, float __y)
	Returns next representable single-precision floating-point value after x.
__DEVICE__ float	norm3df (float __x, float __y, float __z)
	Returns the square root of the sum of squares of x, y and z.
__DEVICE__ float	norm4df (float __x, float __y, float __z, float __w)
	Returns the square root of the sum of squares of x, y, z and w.
__DEVICE__ float	normcdff (float __x)
	Returns the standard normal cumulative distribution function.
__DEVICE__ float	normcdfinvf (float __x)
	Returns the inverse of the standard normal cumulative distribution function.
__DEVICE__ float	normf (int __dim, const float *__a)
	Returns the square root of the sum of squares of any number of coordinates.
__DEVICE__ float	powf (float __x, float __y)
	Returns \( x^y \).
__DEVICE__ float	powif (float __x, int __y)
	Returns the value of first argument to the power of second argument.
__DEVICE__ float	rcbrtf (float __x)
	Returns the reciprocal cube root function.
__DEVICE__ float	remainderf (float __x, float __y)
	Returns single-precision floating-point remainder.
__DEVICE__ float	remquof (float __x, float __y, int *__quo)
	Returns single-precision floating-point remainder and part of quotient.
__DEVICE__ float	rhypotf (float __x, float __y)
	Returns one over the square root of the sum of squares of x and y.
__DEVICE__ float	rintf (float __x)
	Round x to nearest integer value in floating-point.
__DEVICE__ float	rnorm3df (float __x, float __y, float __z)
	Returns one over the square root of the sum of squares of x, y and z.
__DEVICE__ float	rnorm4df (float __x, float __y, float __z, float __w)
	Returns one over the square root of the sum of squares of x, y, z and w.
__DEVICE__ float	rnormf (int __dim, const float *__a)
	Returns the reciprocal of square root of the sum of squares of any number of coordinates.
__DEVICE__ float	roundf (float __x)
	Round to nearest integer value in floating-point.
__DEVICE__ float	rsqrtf (float __x)
	Returns the reciprocal of the square root of x.
__DEVICE__ float	scalblnf (float __x, long int __n)
	Scale x by \( 2^n \).
__DEVICE__ float	scalbnf (float __x, int __n)
	Scale x by \( 2^n \).
__DEVICE__ __RETURN_TYPE	__signbitf (float __x)
	Return the sign bit of x.
__DEVICE__ void	sincosf (float __x, float *__sinptr, float *__cosptr)
	Returns the sine and cosine of x.
__DEVICE__ void	sincospif (float __x, float *__sinptr, float *__cosptr)
	Returns the sine and cosine of \( \pi x\).
__DEVICE__ float	sinf (float __x)
	Returns the sine of x.
__DEVICE__ float	sinhf (float __x)
	Returns the hyperbolic sine of x.
__DEVICE__ float	sinpif (float __x)
	Returns the hyperbolic sine of \( \pi x\).
__DEVICE__ float	sqrtf (float __x)
	Returns the square root of x.
__DEVICE__ float	tanf (float __x)
	Returns the tangent of x.
__DEVICE__ float	tanhf (float __x)
	Returns the hyperbolic tangent of x.
__DEVICE__ float	tgammaf (float __x)
	Returns the gamma function of x.
__DEVICE__ float	truncf (float __x)
	Truncate x to the integral part.
__DEVICE__ float	y0f (float __x)
	Returns the value of the Bessel function of the second kind of order 0 for x.
__DEVICE__ float	y1f (float __x)
	Returns the value of the Bessel function of the second kind of order 1 for x.
__DEVICE__ float	ynf (int __n, float __x)
	Returns the value of the Bessel function of the second kind of order n for x.

Detailed Description

Single Precision Floating-point Mathematical Functions

Function Documentation

◆ __finitef()

__DEVICE__ __RETURN_TYPE __finitef

(

float

__x

)

Determine whether x is finite.

◆ __isinff()

__DEVICE__ __RETURN_TYPE __isinff

(

float

__x

)

Determine whether x is infinite.

◆ __isnanf()

__DEVICE__ __RETURN_TYPE __isnanf

(

float

__x

)

Determine whether x is a NaN.

◆ __signbitf()

__DEVICE__ __RETURN_TYPE __signbitf

(

float

__x

)

Return the sign bit of x.

◆ acosf()

__DEVICE__ float acosf

(

float

__x

)

Returns the arc cosine of x.

◆ acoshf()

__DEVICE__ float acoshf

(

float

__x

)

Returns the nonnegative arc hyperbolic cosine of x.

◆ asinf()

__DEVICE__ float asinf

(

float

__x

)

Returns the arc sine of x.

◆ asinhf()

__DEVICE__ float asinhf

(

float

__x

)

Returns the arc hyperbolic sine of x.

◆ atan2f()

__DEVICE__ float atan2f	(	float	__x,
		float	__y
	)

Returns the arc tangent of the ratio of x and y.

◆ atanf()

__DEVICE__ float atanf

(

float

__x

)

Returns the arc tangent of x.

◆ atanhf()

__DEVICE__ float atanhf

(

float

__x

)

Returns the arc hyperbolic tangent of x.

◆ cbrtf()

__DEVICE__ float cbrtf

(

float

__x

)

Returns the cube root of x.

◆ ceilf()

__DEVICE__ float ceilf

(

float

__x

)

Returns ceiling of x.

◆ copysignf()

__DEVICE__ float copysignf	(	float	__x,
		float	__y
	)

Create value with given magnitude, copying sign of second value.

◆ cosf()

__DEVICE__ float cosf

(

float

__x

)

Returns the cosine of x.

◆ coshf()

__DEVICE__ float coshf

(

float

__x

)

Returns the hyperbolic cosine of x.

◆ cospif()

__DEVICE__ float cospif

(

float

__x

)

Returns the cosine of \( \pi x\).

◆ cyl_bessel_i0f()

__DEVICE__ float cyl_bessel_i0f

(

float

__x

)

Returns the value of the regular modified cylindrical Bessel function of order 0 for x.

◆ cyl_bessel_i1f()

__DEVICE__ float cyl_bessel_i1f

(

float

__x

)

Returns the value of the regular modified cylindrical Bessel function of order 1 for x.

◆ erfcf()

__DEVICE__ float erfcf

(

float

__x

)

Returns the complementary error function of x.

◆ erfcinvf()

__DEVICE__ float erfcinvf

(

float

__x

)

Returns the inverse complementary function of x.

◆ erfcxf()

__DEVICE__ float erfcxf

(

float

__x

)

Returns the scaled complementary error function of x.

◆ erff()

__DEVICE__ float erff

(

float

__x

)

Returns the error function of x.

◆ erfinvf()

__DEVICE__ float erfinvf

(

float

__x

)

Returns the inverse error function of x.

◆ exp10f()

__DEVICE__ float exp10f

(

float

__x

)

Returns \( 10^x \).

◆ exp2f()

__DEVICE__ float exp2f

(

float

__x

)

Returns \( 2^x \).

◆ expf()

__DEVICE__ float expf

(

float

__x

)

Returns \( e^x \).

◆ expm1f()

__DEVICE__ float expm1f

(

float

__x

)

Returns \( \ln x - 1 \).

◆ fabsf()

__DEVICE__ float fabsf

(

float

__x

)

Returns the absolute value of x

◆ fdimf()

__DEVICE__ float fdimf	(	float	__x,
		float	__y
	)

Returns the positive difference between x and y.

◆ fdividef()

__DEVICE__ float fdividef	(	float	__x,
		float	__y
	)

Divide two floating point values.

◆ floorf()

__DEVICE__ float floorf

(

float

__x

)

Returns the largest integer less than or equal to x.

◆ fmaf()

__DEVICE__ float fmaf	(	float	__x,
		float	__y,
		float	__z
	)

Returns \(x \cdot y + z\) as a single operation.

◆ fmaxf()

__DEVICE__ float fmaxf	(	float	__x,
		float	__y
	)

Determine the maximum numeric value of x and y.

◆ fminf()

__DEVICE__ float fminf	(	float	__x,
		float	__y
	)

Determine the minimum numeric value of x and y.

◆ fmodf()

__DEVICE__ float fmodf	(	float	__x,
		float	__y
	)

Returns the floating-point remainder of x / y.

◆ frexpf()

__DEVICE__ float frexpf	(	float	__x,
		int *	__nptr
	)

Extract mantissa and exponent of x.

◆ hypotf()

__DEVICE__ float hypotf	(	float	__x,
		float	__y
	)

Returns the square root of the sum of squares of x and y.

◆ ilogbf()

__DEVICE__ int ilogbf

(

float

__x

)

Returns the unbiased integer exponent of x.

◆ j0f()

__DEVICE__ float j0f

(

float

__x

)

Returns the value of the Bessel function of the first kind of order 0 for x.

◆ j1f()

__DEVICE__ float j1f

(

float

__x

)

Returns the value of the Bessel function of the first kind of order 1 for x.

◆ jnf()

__DEVICE__ float jnf	(	int	__n,
		float	__x
	)

Returns the value of the Bessel function of the first kind of order n for x.

◆ ldexpf()

__DEVICE__ float ldexpf	(	float	__x,
		int	__e
	)

Returns the value of \(x \cdot 2^{e}\) for x and e.

◆ lgammaf()

__DEVICE__ float lgammaf

(

float

__x

)

Returns the natural logarithm of the absolute value of the gamma function of x.

◆ llrintf()

__DEVICE__ long long int llrintf

(

float

__x

)

Round x to nearest integer value.

◆ llroundf()

__DEVICE__ long long int llroundf

(

float

__x

)

Round to nearest integer value.

◆ log10f()

__DEVICE__ float log10f

(

float

__x

)

Returns the base 10 logarithm of x.

◆ log1pf()

__DEVICE__ float log1pf

(

float

__x

)

Returns the natural logarithm of x + 1.

◆ log2f()

__DEVICE__ float log2f

(

float

__x

)

Returns the base 2 logarithm of x.

◆ logbf()

__DEVICE__ float logbf

(

float

__x

)

Returns the floating point representation of the exponent of x.

◆ logf()

__DEVICE__ float logf

(

float

__x

)

Returns the natural logarithm of x.

◆ lrintf()

__DEVICE__ long int lrintf

(

float

__x

)

Round x to nearest integer value.

◆ lroundf()

__DEVICE__ long int lroundf

(

float

__x

)

Round to nearest integer value.

◆ modff()

__DEVICE__ float modff	(	float	__x,
		float *	__iptr
	)

Break down x into fractional and integral parts.

◆ nanf()

__DEVICE__ float nanf

(

const char *__tagp

__attribute__(nonnull)

)

Returns "Not a Number" value.

◆ nearbyintf()

__DEVICE__ float nearbyintf

(

float

__x

)

Round x to the nearest integer.

◆ nextafterf()

__DEVICE__ float nextafterf	(	float	__x,
		float	__y
	)

Returns next representable single-precision floating-point value after x.

◆ norm3df()

__DEVICE__ float norm3df	(	float	__x,
		float	__y,
		float	__z
	)

Returns the square root of the sum of squares of x, y and z.

◆ norm4df()

__DEVICE__ float norm4df	(	float	__x,
		float	__y,
		float	__z,
		float	__w
	)

Returns the square root of the sum of squares of x, y, z and w.

◆ normcdff()

__DEVICE__ float normcdff

(

float

__x

)

Returns the standard normal cumulative distribution function.

◆ normcdfinvf()

__DEVICE__ float normcdfinvf

(

float

__x

)

Returns the inverse of the standard normal cumulative distribution function.

◆ normf()

__DEVICE__ float normf	(	int	__dim,
		const float *	__a
	)

Returns the square root of the sum of squares of any number of coordinates.

◆ powf()

__DEVICE__ float powf	(	float	__x,
		float	__y
	)

Returns \( x^y \).

◆ powif()

__DEVICE__ float powif	(	float	__x,
		int	__y
	)

Returns the value of first argument to the power of second argument.

◆ rcbrtf()

__DEVICE__ float rcbrtf

(

float

__x

)

Returns the reciprocal cube root function.

◆ remainderf()

__DEVICE__ float remainderf	(	float	__x,
		float	__y
	)

Returns single-precision floating-point remainder.

◆ remquof()

__DEVICE__ float remquof	(	float	__x,
		float	__y,
		int *	__quo
	)

Returns single-precision floating-point remainder and part of quotient.

◆ rhypotf()

__DEVICE__ float rhypotf	(	float	__x,
		float	__y
	)

Returns one over the square root of the sum of squares of x and y.

◆ rintf()

__DEVICE__ float rintf

(

float

__x

)

Round x to nearest integer value in floating-point.

◆ rnorm3df()

__DEVICE__ float rnorm3df	(	float	__x,
		float	__y,
		float	__z
	)

Returns one over the square root of the sum of squares of x, y and z.

◆ rnorm4df()

__DEVICE__ float rnorm4df	(	float	__x,
		float	__y,
		float	__z,
		float	__w
	)

Returns one over the square root of the sum of squares of x, y, z and w.

◆ rnormf()

__DEVICE__ float rnormf	(	int	__dim,
		const float *	__a
	)

Returns the reciprocal of square root of the sum of squares of any number of coordinates.

◆ roundf()

__DEVICE__ float roundf

(

float

__x

)

Round to nearest integer value in floating-point.

◆ rsqrtf()

__DEVICE__ float rsqrtf

(

float

__x

)

Returns the reciprocal of the square root of x.

◆ scalblnf()

__DEVICE__ float scalblnf	(	float	__x,
		long int	__n
	)

Scale x by \( 2^n \).

◆ scalbnf()

__DEVICE__ float scalbnf	(	float	__x,
		int	__n
	)

Scale x by \( 2^n \).

◆ sincosf()

__DEVICE__ void sincosf	(	float	__x,
		float *	__sinptr,
		float *	__cosptr
	)

Returns the sine and cosine of x.

◆ sincospif()

__DEVICE__ void sincospif	(	float	__x,
		float *	__sinptr,
		float *	__cosptr
	)

Returns the sine and cosine of \( \pi x\).

◆ sinf()

__DEVICE__ float sinf

(

float

__x

)

Returns the sine of x.

◆ sinhf()

__DEVICE__ float sinhf

(

float

__x

)

Returns the hyperbolic sine of x.

◆ sinpif()

__DEVICE__ float sinpif

(

float

__x

)

Returns the hyperbolic sine of \( \pi x\).

◆ sqrtf()

__DEVICE__ float sqrtf

(

float

__x

)

Returns the square root of x.

◆ tanf()

__DEVICE__ float tanf

(

float

__x

)

Returns the tangent of x.

◆ tanhf()

__DEVICE__ float tanhf

(

float

__x

)

Returns the hyperbolic tangent of x.

◆ tgammaf()

__DEVICE__ float tgammaf

(

float

__x

)

Returns the gamma function of x.

◆ truncf()

__DEVICE__ float truncf

(

float

__x

)

Truncate x to the integral part.

◆ y0f()

__DEVICE__ float y0f

(

float

__x

)

Returns the value of the Bessel function of the second kind of order 0 for x.

◆ y1f()

__DEVICE__ float y1f

(

float

__x

)

Returns the value of the Bessel function of the second kind of order 1 for x.

◆ ynf()

__DEVICE__ float ynf	(	int	__n,
		float	__x
	)

Returns the value of the Bessel function of the second kind of order n for x.