lookup3.c File Reference

#include <stdio.h>
#include <time.h>
#include <stdint.h>
#include <sys/param.h>

Include dependency graph for lookup3.c:

Macros
#define	final(a, b, c)
#define	HASH_BIG_ENDIAN   0
#define	HASH_LITTLE_ENDIAN   0
#define	hashmask(n)
#define	hashsize(n)
#define	mix(a, b, c)
#define	rot(x, k)

Typedefs
typedef uint16_t	uint16_alias_t
typedef uint32_t	uint32_alias_t

Functions
uint32_t	hashbig (const void *key, size_t length, uint32_t initval)
uint32_t	hashlittle (const void *key, size_t length, uint32_t initval)
void	hashlittle2 (const void *key, size_t length, uint32_t *pc, uint32_t *pb)
uint32_t	hashword (const uint32_t *k, size_t length, uint32_t initval)

Macro Definition Documentation

final

#define final	(		a,
			b,
			c )

Value:

{ \
  c ^= b; c -= rot(b,14); \
  a ^= c; a -= rot(c,11); \
  b ^= a; b -= rot(a,25); \
  c ^= b; c -= rot(b,16); \
  a ^= c; a -= rot(c,4);  \
  b ^= a; b -= rot(a,14); \
  c ^= b; c -= rot(b,24); \
}

Referenced by madness::GaussianConvolution1D< Q >::natural_level(), madness::GenericConvolution1D< Q, opT >::natural_level(), AtomicBasisFunctor< Q >::special_level(), ExactSpinor::special_level(), Guess::special_level(), madness::BasisFunctions::SolidHarmonicGaussian::special_level(), madness::FermiNuclearDensityFunctor::special_level(), madness::GaussianNuclearDensityPotentialFunctor::special_level(), madness::ProjRLMFunctor::special_level(), madness::ScalingFunctionFunctor< 1 >::special_level(), madness::ScalingFunctionFunctor< NDIM, std::enable_if_t< std::greater{}(NDIM, 1)> >::special_level(), madness::VLocalFunctor::special_level(), ncf::special_level(), slymer::Gaussian_Functor::special_level(), stepfunction::special_level(), AtomicBasisFunctor< Q >::special_points(), ExactSpinor::special_points(), Guess::special_points(), madness::BasisFunctions::SolidHarmonicGaussian::special_points(), madness::FermiNuclearDensityFunctor::special_points(), madness::ProjRLMFunctor::special_points(), madness::ScalingFunctionFunctor< 1 >::special_points(), madness::ScalingFunctionFunctor< NDIM, std::enable_if_t< std::greater{}(NDIM, 1)> >::special_points(), madness::VLocalFunctor::special_points(), ncf::special_points(), slymer::Gaussian_Functor::special_points(), and madness::ProjRLMFunctor::supports_vectorized().

HASH_BIG_ENDIAN

#define HASH_BIG_ENDIAN   0

Referenced by hashbig().

HASH_LITTLE_ENDIAN

#define HASH_LITTLE_ENDIAN   0

Referenced by hashlittle(), and hashlittle2().

hashmask

#define hashmask

(

n

)

Value:

(hashsize(n)-1)

hashsize

#define hashsize

(

n

)

Value:

((uint32_t)1<<(n))

mix

#define mix	(		a,
			b,
			c )

Value:

{ \
  a -= c;  a ^= rot(c, 4);  c += b; \
  b -= a;  b ^= rot(a, 6);  a += c; \
  c -= b;  c ^= rot(b, 8);  b += a; \
  a -= c;  a ^= rot(c,16);  c += b; \
  b -= a;  b ^= rot(a,19);  a += c; \
  c -= b;  c ^= rot(b, 4);  b += a; \
}

Referenced by madness::archive::container_record_chunk_key(), hashbig(), hashlittle(), hashlittle2(), hashword(), and test_converged_function().

rot

#define rot	(		x,
			k )

Value:

(((x)<<(k)) | ((x)>>(32-(k))))

Referenced by madness::Znemo::compute_current_density(), fixphases(), and test_rot().

Typedef Documentation

uint16_alias_t

typedef uint16_t uint16_alias_t

uint32_alias_t

typedef uint32_t uint32_alias_t

Function Documentation

hashbig()

uint32_t hashbig	(	const void *	key,
		size_t	length,
		uint32_t	initval )

References a, b, c, HASH_BIG_ENDIAN, k, length, mix, and u().

hashlittle2()

void hashlittle2	(	const void *	key,
		size_t	length,
		uint32_t *	pc,
		uint32_t *	pb )

References a, b, c, HASH_LITTLE_ENDIAN, k, length, mix, and u().