hash.h File Reference

#include <functional>

Go to the source code of this file.

Macros
#define	LIBS_KIMATH_INCLUDE_HASH_H_

Functions
static void	hash_combine (std::size_t &seed)
	This is a dummy function to take the final case of hash_combine below. More...
template<typename T , typename ... Types>
static void	hash_combine (std::size_t &seed, const T &val, const Types &... args)
	Combine multiple hashes utilizing previous hash result. More...
template<typename... Types>
static std::size_t	hash_val (const Types &... args)

Macro Definition Documentation

LIBS_KIMATH_INCLUDE_HASH_H_

#define LIBS_KIMATH_INCLUDE_HASH_H_

Definition at line 26 of file hash.h.

Function Documentation

hash_combine() [1/2]

static void hash_combine ( std::size_t &  seed )

inlinestatic

This is a dummy function to take the final case of hash_combine below.

Parameters

seed

Definition at line 34 of file hash.h.

{}

Referenced by KIID::Hash(), hash_combine(), hash_fp_item(), hash_val(), std::hash< PTR_LAYER_CACHE_KEY >::operator()(), std::hash< PTR_PTR_CACHE_KEY >::operator()(), std::hash< PTR_PTR_LAYER_CACHE_KEY >::operator()(), std::hash< std::pair< BITMAPS, int > >::operator()(), ERC_SCH_PIN_CONTEXT::rehash(), SCH_SHEET_PATH::Rehash(), and SHAPE_POLY_SET::unfractureSingle().

hash_combine() [2/2]

template<typename T , typename ... Types>

static void hash_combine ( std::size_t &  seed, const T &  val, const Types &...  args  )

inlinestatic

Combine multiple hashes utilizing previous hash result.

Template Parameters

T	A hashable type

Parameters

seed	A seed value input and output for the result.
val	A hashable object of type T

Definition at line 44 of file hash.h.

{
 seed ^= std::hash<T>()( val ) + 0x9e3779b9 + ( seed << 6 ) + ( seed >> 2 );
 hash_combine( seed, args... );
}

References hash_combine().

hash_val()

template<typename... Types>

static std::size_t hash_val ( const Types &...  args )

inlinestatic

Definition at line 51 of file hash.h.

{
 std::size_t seed = 0xa82de1c0;
 hash_combine( seed, args... );
 return seed;
}

References hash_combine().