Double Precision Mathematical Functions
[Mathematical Functions]


Functions

__device__ double acos (double x)
 Calculate the arc cosine of the input argument.
__device__ double acosh (double x)
 Calculate the nonnegative arc hyperbolic cosine of the input argument.
__device__ double asin (double x)
 Calculate the arc sine of the input argument.
__device__ double asinh (double x)
 Calculate the arc hyperbolic sine of the input argument.
__device__ double atan (double x)
 Calculate the arc tangent of the input argument.
__device__ double atan2 (double x, double y)
 Calculate the arc tangent of the ratio of first and second input arguments.
__device__ double atanh (double x)
 Calculate the arc hyperbolic tangent of the input argument.
__device__ double cbrt (double x)
 Calculate the cube root of the input argument.
__device__ double ceil (double x)
 Calculate ceiling of the input argument.
__device__ double copysign (double x, double y)
 Create value with given magnitude, copying sign of second value.
__device__ double cos (double x)
 Calculate the cosine of the input argument.
__device__ double cosh (double x)
 Calculate the hyperbolic cosine of the input argument.
__device__ double cospi (double x)
 Calculate the cosine of the input argument $ \times \pi$.
__device__ double erf (double x)
 Calculate the error function of the input argument.
__device__ double erfc (double x)
 Calculate the complementary error function of the input argument.
__device__ double erfcinv (double y)
 Calculate the inverse complementary error function of the input argument.
__device__ double erfcx (double x)
 Calculate the scaled complementary error function of the input argument.
__device__ double erfinv (double y)
 Calculate the inverse error function of the input argument.
__device__ double exp (double x)
 Calculate the base $e$ exponential of the input argument.
__device__ double exp10 (double x)
 Calculate the base 10 exponential of the input argument.
__device__ double exp2 (double x)
 Calculate the base 2 exponential of the input argument.
__device__ double expm1 (double x)
 Calculate the base $e$ exponential of the input argument, minus 1.
__device__ double fabs (double x)
 Calculate the absolute value of the input argument.
__device__ double fdim (double x, double y)
 Compute the positive difference between x and y.
__device__ double floor (double x)
 Calculate the largest integer less than or equal to x.
__device__ double fma (double x, double y, double z)
 Compute $x \times y + z$ as a single operation.
__device__ double fmax (double, double)
 Determine the maximum numeric value of the arguments.
__device__ double fmin (double x, double y)
 Determine the minimum numeric value of the arguments.
__device__ double fmod (double x, double y)
 Calculate the floating-point remainder of x / y.
__device__ double frexp (double x, int *nptr)
 Extract mantissa and exponent of a floating-point value.
__device__ double hypot (double x, double y)
 Calculate the square root of the sum of squares of two arguments.
__device__ int ilogb (double x)
 Compute the unbiased integer exponent of the argument.
__device__ int isfinite (double a)
 Determine whether argument is finite.
__device__ int isinf (double a)
 Determine whether argument is infinite.
__device__ int isnan (double a)
 Determine whether argument is a NaN.
__device__ double j0 (double x)
 Calculate the value of the Bessel function of the first kind of order 0 for the input argument.
__device__ double j1 (double x)
 Calculate the value of the Bessel function of the first kind of order 1 for the input argument.
__device__ double jn (int n, double x)
 Calculate the value of the Bessel function of the first kind of order n for the input argument.
__device__ double ldexp (double x, int exp)
 Calculate the value of $x\cdot 2^{exp}$.
__device__ double lgamma (double x)
 Calculate the natural logarithm of the gamma function of the input argument.
__device__ long long int llrint (double x)
 Round input to nearest integer value.
__device__ long long int llround (double x)
 Round to nearest integer value.
__device__ double log (double x)
 Calculate the base $e$ logarithm of the input argument.
__device__ double log10 (double x)
 Calculate the base 10 logarithm of the input argument.
__device__ double log1p (double x)
 Calculate the value of $log_{e}(1+x)$.
__device__ double log2 (double x)
 Calculate the base 2 logarithm of the input argument.
__device__ double logb (double x)
 Calculate the floating point representation of the exponent of the input argument.
__device__ long int lrint (double x)
 Round input to nearest integer value.
__device__ long int lround (double x)
 Round to nearest integer value.
__device__ double modf (double x, double *iptr)
 Break down the input argument into fractional and integral parts.
__device__ double nan (const char *tagp)
 Returns "Not a Number" value.
__device__ double nearbyint (double x)
 Round the input argument to the nearest integer.
__device__ double nextafter (double x, double y)
 Return next representable double-precision floating-point value after argument.
__device__ double pow (double x, double y)
 Calculate the value of first argument to the power of second argument.
__device__ double rcbrt (double x)
 Calculate reciprocal cube root function.
__device__ double remainder (double x, double y)
 Compute double-precision floating-point remainder.
__device__ double remquo (double x, double y, int *quo)
 Compute double-precision floating-point remainder and part of quotient.
__device__ double rint (double x)
 Round to nearest integer value in floating-point.
__device__ double round (double x)
 Round to nearest integer value in floating-point.
__device__ double rsqrt (double x)
 Calculate the reciprocal of the square root of the input argument.
__device__ double scalbln (double x, long int n)
 Scale floating-point input by integer power of two.
__device__ double scalbn (double x, int n)
 Scale floating-point input by integer power of two.
__device__ int signbit (double a)
 Return the sign bit of the input.
__device__ double sin (double x)
 Calculate the sine of the input argument.
__device__ void sincos (double x, double *sptr, double *cptr)
 Calculate the sine and cosine of the first input argument.
__device__ double sinh (double x)
 Calculate the hyperbolic sine of the input argument.
__device__ double sinpi (double x)
 Calculate the sine of the input argument $\times \pi$.
__device__ double sqrt (double x)
 Calculate the square root of the input argument.
__device__ double tan (double x)
 Calculate the tangent of the input argument.
__device__ double tanh (double x)
 Calculate the hyperbolic tangent of the input argument.
__device__ double tgamma (double x)
 Calculate the gamma function of the input argument.
__device__ double trunc (double x)
 Truncate input argument to the integral part.
__device__ double y0 (double x)
 Calculate the value of the Bessel function of the second kind of order 0 for the input argument.
__device__ double y1 (double x)
 Calculate the value of the Bessel function of the second kind of order 1 for the input argument.
__device__ double yn (int n, double x)
 Calculate the value of the Bessel function of the second kind of order n for the input argument.

Detailed Description

This section describes double precision mathematical functions.
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