The terms of the smoothness-indicator matrix (3D): entry e (upper_index(l, m)) is sum_t weight(t) moments(cell, moment(t)) over t in [start(e), start(e + 1)), with products of D^beta factors (whole numbers below 2^16) as weights; term(t) holds weight(t) << 16 | moment(t). More...

#include <teno.h>

Public Member Functions
template<uint32_t G>
KOKKOS_INLINE_FUNCTION void	entries (const uint32_t e0, const uint32_t n, const double moments, rtype out) const
	Entries [e0, e0 + G) below n from one cell's moments into out, each summed in term order and rounded as the setup's sum was, which contracted no multiply and add into an FMA; the G sums are interleaved so that their latencies overlap.

Static Public Member Functions
static KOKKOS_INLINE_FUNCTION double	add_product_rn (const double s, const double a, const double b)
	s + a b, each rounded, never fused.

Public Attributes
Kokkos::View< uint32_t * >	start

Kokkos::View< uint32_t * >	term

Detailed Description

The terms of the smoothness-indicator matrix (3D): entry e (upper_index(l, m)) is sum_t weight(t) moments(cell, moment(t)) over t in [start(e), start(e + 1)), with products of D^beta factors (whole numbers below 2^16) as weights; term(t) holds weight(t) << 16 | moment(t).

Member Function Documentation

◆ add_product_rn()

static KOKKOS_INLINE_FUNCTION double teno::SmoothnessTerms::add_product_rn	(	const double	s,
		const double	a,
		const double	b
	)

inlinestatic

s + a b, each rounded, never fused.

◆ entries()

template<uint32_t G>

KOKKOS_INLINE_FUNCTION void teno::SmoothnessTerms::entries	(	const uint32_t	e0,
		const uint32_t	n,
		const double *	moments,
		rtype *	out
	)		const

inline

Entries [e0, e0 + G) below n from one cell's moments into out, each summed in term order and rounded as the setup's sum was, which contracted no multiply and add into an FMA; the G sums are interleaved so that their latencies overlap.

Member Data Documentation

◆ start

Kokkos::View<uint32_t *> teno::SmoothnessTerms::start

◆ term

Kokkos::View<uint32_t *> teno::SmoothnessTerms::term

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

/home/runner/work/mallard/mallard/mallard/src/numerics/teno.h

Public Member Functions

Static Public Member Functions