AMReX_Math.H File Reference

#include <AMReX_Config.H>
#include <AMReX_GpuQualifiers.H>
#include <AMReX_Extension.H>
#include <AMReX_INT.H>
#include <AMReX_SIMD.H>
#include <AMReX_REAL.H>
#include <cmath>
#include <cstdlib>
#include <limits>
#include <type_traits>
#include <utility>

Go to the source code of this file.

Classes
struct	amrex::Math::FastDivmodU64

Namespaces
namespace	amrex
namespace	amrex::disabled
namespace	amrex::Math
namespace	amrex::Math::detail

Functions
__host__ __device__ double	amrex::disabled::abs (double)
__host__ __device__ float	amrex::disabled::abs (float)
__host__ __device__ long double	amrex::disabled::abs (long double)
__host__ __device__ int	amrex::disabled::abs (int)
__host__ __device__ long	amrex::disabled::abs (long)
__host__ __device__ long long	amrex::disabled::abs (long long)
template<typename T >
constexpr std::enable_if_t< std::is_floating_point_v< T >, T >	amrex::Math::pi ()
__host__ __device__ double	amrex::Math::cospi (double x)
	Return cos(x*pi) given x.
__host__ __device__ float	amrex::Math::cospi (float x)
	Return cos(x*pi) given x.
__host__ __device__ double	amrex::Math::sinpi (double x)
	Return sin(x*pi) given x.
__host__ __device__ float	amrex::Math::sinpi (float x)
	Return sin(x*pi) given x.
void	amrex::Math::detail::sincos (double x, double *sinx, double *cosx)
void	amrex::Math::detail::sincosf (float x, float *sinx, float *cosx)
__host__ __device__ std::pair< double, double >	amrex::Math::sincos (double x)
	Return sine and cosine of given number.
__host__ __device__ std::pair< float, float >	amrex::Math::sincos (float x)
	Return sine and cosine of given number.
__host__ __device__ std::pair< double, double >	amrex::Math::sincospi (double x)
	Return sin(pi*x) and cos(pi*x) given x.
__host__ __device__ std::pair< float, float >	amrex::Math::sincospi (float x)
	Return sin(pi*x) and cos(pi*x) given x.
template<int Power, typename T , typename = std::enable_if_t<!std::is_integral<T>() || Power>=0>
constexpr T	amrex::Math::powi (T x) noexcept
	Return pow(x, Power), where Power is an integer known at compile time.
template<typename T >
__host__ __device__ T	amrex::Math::comp_ellint_1 (T k)
template<typename T >
__host__ __device__ T	amrex::Math::comp_ellint_2 (T k)
__host__ __device__ double	amrex::Math::rsqrt (double x)
	Return inverse square root of x.
__host__ __device__ float	amrex::Math::rsqrt (float x)
	Return inverse square root of x.