ellipsis-fibfac.h File Reference

Fibonacci factors. More...

#include <stddef.h>
#include <ctype.h>

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Macros
#define	ELLIPSIS_FIBFAC(N)   _Generic((char(*)[N]){}, typeof(char(*)[3]): ellipsis‿fibfac‿key3,typeof(char(*)[4]): ellipsis‿fibfac‿key4,typeof(char(*)[5]): ellipsis‿fibfac‿key5,typeof(char(*)[6]): ellipsis‿fibfac‿key6,typeof(char(*)[7]): ellipsis‿fibfac‿key7,typeof(char(*)[8]): ellipsis‿fibfac‿key8,typeof(char(*)[9]): ellipsis‿fibfac‿key9,typeof(char(*)[10]): ellipsis‿fibfac‿key10,typeof(char(*)[11]): ellipsis‿fibfac‿key11,typeof(char(*)[12]): ellipsis‿fibfac‿key12,typeof(char(*)[13]): ellipsis‿fibfac‿key13,typeof(char(*)[14]): ellipsis‿fibfac‿key14,typeof(char(*)[15]): ellipsis‿fibfac‿key15,typeof(char(*)[16]): ellipsis‿fibfac‿key16,typeof(char(*)[17]): ellipsis‿fibfac‿key17,typeof(char(*)[18]): ellipsis‿fibfac‿key18,typeof(char(*)[19]): ellipsis‿fibfac‿key19,typeof(char(*)[20]): ellipsis‿fibfac‿key20,typeof(char(*)[21]): ellipsis‿fibfac‿key21,typeof(char(*)[22]): ellipsis‿fibfac‿key22,typeof(char(*)[23]): ellipsis‿fibfac‿key23,typeof(char(*)[24]): ellipsis‿fibfac‿key24,typeof(char(*)[25]): ellipsis‿fibfac‿key25,typeof(char(*)[26]): ellipsis‿fibfac‿key26,typeof(char(*)[27]): ellipsis‿fibfac‿key27,typeof(char(*)[28]): ellipsis‿fibfac‿key28,typeof(char(*)[29]): ellipsis‿fibfac‿key29,typeof(char(*)[30]): ellipsis‿fibfac‿key30,typeof(char(*)[31]): ellipsis‿fibfac‿key31,typeof(char(*)[32]): ellipsis‿fibfac‿key32,typeof(char(*)[33]): ellipsis‿fibfac‿key33,typeof(char(*)[34]): ellipsis‿fibfac‿key34,typeof(char(*)[35]): ellipsis‿fibfac‿key35,typeof(char(*)[36]): ellipsis‿fibfac‿key36,typeof(char(*)[37]): ellipsis‿fibfac‿key37,typeof(char(*)[38]): ellipsis‿fibfac‿key38,typeof(char(*)[39]): ellipsis‿fibfac‿key39,typeof(char(*)[40]): ellipsis‿fibfac‿key40,typeof(char(*)[41]): ellipsis‿fibfac‿key41,typeof(char(*)[42]): ellipsis‿fibfac‿key42,typeof(char(*)[43]): ellipsis‿fibfac‿key43,typeof(char(*)[44]): ellipsis‿fibfac‿key44,typeof(char(*)[45]): ellipsis‿fibfac‿key45,typeof(char(*)[46]): ellipsis‿fibfac‿key46,typeof(char(*)[47]): ellipsis‿fibfac‿key47,typeof(char(*)[48]): ellipsis‿fibfac‿key48,typeof(char(*)[49]): ellipsis‿fibfac‿key49,typeof(char(*)[50]): ellipsis‿fibfac‿key50,typeof(char(*)[51]): ellipsis‿fibfac‿key51,typeof(char(*)[52]): ellipsis‿fibfac‿key52,typeof(char(*)[53]): ellipsis‿fibfac‿key53,typeof(char(*)[54]): ellipsis‿fibfac‿key54,typeof(char(*)[55]): ellipsis‿fibfac‿key55,typeof(char(*)[56]): ellipsis‿fibfac‿key56,typeof(char(*)[57]): ellipsis‿fibfac‿key57,typeof(char(*)[58]): ellipsis‿fibfac‿key58,typeof(char(*)[59]): ellipsis‿fibfac‿key59,typeof(char(*)[60]): ellipsis‿fibfac‿key60,typeof(char(*)[61]): ellipsis‿fibfac‿key61,typeof(char(*)[62]): ellipsis‿fibfac‿key62,typeof(char(*)[63]): ellipsis‿fibfac‿key63,typeof(char(*)[64]): ellipsis‿fibfac‿key64)
	The Fibonacci factor for N bits as an integer constant expression.

Typedefs
typedef size_t	ellipsis‿fibfac‿base
typedef enum ellipsis‿fibfac	ellipsis‿fibfac

Enumerations
enum	: size_t { ellipsis‿fibfac‿max_intern = 62 }
enum	ellipsis‿fibfac : ellipsis‿fibfac‿base {   ellipsis‿fibfac‿key3 = 0b101ull , ellipsis‿fibfac‿key4 = 0b1001ull , ellipsis‿fibfac‿key5 = 0b10011ull , ellipsis‿fibfac‿key6 = 0b100111ull ,   ellipsis‿fibfac‿key7 = 0b1001111ull , ellipsis‿fibfac‿key8 = 0b10011111ull , ellipsis‿fibfac‿key9 = 0b100111101ull , ellipsis‿fibfac‿key10 = 0b1001111001ull ,   ellipsis‿fibfac‿key11 = 0b10011110001ull , ellipsis‿fibfac‿key12 = 0b100111100011ull , ellipsis‿fibfac‿key13 = 0b1001111000111ull , ellipsis‿fibfac‿key14 = 0b10011110001101ull ,   ellipsis‿fibfac‿key15 = 0b100111100011011ull , ellipsis‿fibfac‿key16 = 0b1001111000110111ull , ellipsis‿fibfac‿key17 = 0b10011110001101111ull , ellipsis‿fibfac‿key18 = 0b100111100011011101ull ,   ellipsis‿fibfac‿key19 = 0b1001111000110111011ull , ellipsis‿fibfac‿key20 = 0b10011110001101110111ull , ellipsis‿fibfac‿key21 = 0b100111100011011101111ull , ellipsis‿fibfac‿key22 = 0b1001111000110111011111ull ,   ellipsis‿fibfac‿key23 = 0b10011110001101110111101ull , ellipsis‿fibfac‿key24 = 0b100111100011011101111001ull , ellipsis‿fibfac‿key25 = 0b1001111000110111011110011ull , ellipsis‿fibfac‿key26 = 0b10011110001101110111100111ull ,   ellipsis‿fibfac‿key27 = 0b100111100011011101111001101ull , ellipsis‿fibfac‿key28 = 0b1001111000110111011110011011ull , ellipsis‿fibfac‿key29 = 0b10011110001101110111100110111ull , ellipsis‿fibfac‿key30 = 0b100111100011011101111001101111ull ,   ellipsis‿fibfac‿key31 = 0b1001111000110111011110011011101ull , ellipsis‿fibfac‿key32 = 0b10011110001101110111100110111001ull , ellipsis‿fibfac‿key33 = 0b100111100011011101111001101110011ull , ellipsis‿fibfac‿key34 = 0b1001111000110111011110011011100101ull ,   ellipsis‿fibfac‿key35 = 0b10011110001101110111100110111001011ull , ellipsis‿fibfac‿key36 = 0b100111100011011101111001101110010111ull , ellipsis‿fibfac‿key37 = 0b1001111000110111011110011011100101111ull , ellipsis‿fibfac‿key38 = 0b10011110001101110111100110111001011111ull ,   ellipsis‿fibfac‿key39 = 0b100111100011011101111001101110010111111ull , ellipsis‿fibfac‿key40 = 0b1001111000110111011110011011100101111111ull , ellipsis‿fibfac‿key41 = 0b10011110001101110111100110111001011111111ull , ellipsis‿fibfac‿key42 = 0b100111100011011101111001101110010111111101ull ,   ellipsis‿fibfac‿key43 = 0b1001111000110111011110011011100101111111011ull , ellipsis‿fibfac‿key44 = 0b10011110001101110111100110111001011111110101ull , ellipsis‿fibfac‿key45 = 0b100111100011011101111001101110010111111101001ull , ellipsis‿fibfac‿key46 = 0b1001111000110111011110011011100101111111010011ull ,   ellipsis‿fibfac‿key47 = 0b10011110001101110111100110111001011111110100101ull , ellipsis‿fibfac‿key48 = 0b100111100011011101111001101110010111111101001011ull , ellipsis‿fibfac‿key49 = 0b1001111000110111011110011011100101111111010010101ull , ellipsis‿fibfac‿key50 = 0b10011110001101110111100110111001011111110100101001ull ,   ellipsis‿fibfac‿key51 = 0b100111100011011101111001101110010111111101001010011ull , ellipsis‿fibfac‿key52 = 0b1001111000110111011110011011100101111111010010100111ull , ellipsis‿fibfac‿key53 = 0b10011110001101110111100110111001011111110100101001111ull , ellipsis‿fibfac‿key54 = 0b100111100011011101111001101110010111111101001010011111ull ,   ellipsis‿fibfac‿key55 = 0b1001111000110111011110011011100101111111010010100111111ull , ellipsis‿fibfac‿key56 = 0b10011110001101110111100110111001011111110100101001111101ull , ellipsis‿fibfac‿key57 = 0b100111100011011101111001101110010111111101001010011111001ull , ellipsis‿fibfac‿key58 = 0b1001111000110111011110011011100101111111010010100111110001ull ,   ellipsis‿fibfac‿key59 = 0b10011110001101110111100110111001011111110100101001111100001ull , ellipsis‿fibfac‿key60 = 0b100111100011011101111001101110010111111101001010011111000001ull , ellipsis‿fibfac‿key61 = 0b1001111000110111011110011011100101111111010010100111110000011ull , ellipsis‿fibfac‿key62 = 0b10011110001101110111100110111001011111110100101001111100000101ull ,   ellipsis‿fibfac‿key63 = 0b100111100011011101111001101110010111111101001010011111000001011ull , ellipsis‿fibfac‿key64 = 0b1001111000110111011110011011100101111111010010100111110000010101ull }
	An enumeration type ellipsis‿fibfac with the underlying integer type ellipsis‿fibfac‿base. More...

Functions
char const *	ellipsis‿fibfac‿getname (size_t __LOC_ID_0_1)
	Return the name of the enumeration constant of type ellipsis‿fibfac at position n, if any.

Variables
char const *const *const	ellipsis‿fibfac‿names
	An array with the names of the constants of type ellipsis‿fibfac.
static char const *const	ellipsis‿fibfac‿namesbuf_intern [ellipsis‿fibfac‿max_intern]

Detailed Description

Fibonacci factors.

These are chosen to be close to the binary expansion of the golden ratio. It is rounded to the next odd integer to ensure that the number is invertible; namely every odd number is co-prime to a given power of 2. Such a choice then warrants that multiplication with this number is a bijection on the multiplication group and that the images of successive values are even spread in the domain.

Factors are provided for widths 3 to 64: hashing just 2¹ = 2 or 2² = 4 buckets makes not much sense, and generally we do not have numbers wider than 64 bit in the preprocessor.

Warning

This is a file generated by eĿlipsis version 20250309, do not modify

This is a file generated by eĿlipsis version 20250309, do not modify

Macro Definition Documentation

ELLIPSIS_FIBFAC

#define ELLIPSIS_FIBFAC

(

N

)

_Generic((char(*)[N]){}, typeof(char(*)[3]): ellipsis‿fibfac‿key3,typeof(char(*)[4]): ellipsis‿fibfac‿key4,typeof(char(*)[5]): ellipsis‿fibfac‿key5,typeof(char(*)[6]): ellipsis‿fibfac‿key6,typeof(char(*)[7]): ellipsis‿fibfac‿key7,typeof(char(*)[8]): ellipsis‿fibfac‿key8,typeof(char(*)[9]): ellipsis‿fibfac‿key9,typeof(char(*)[10]): ellipsis‿fibfac‿key10,typeof(char(*)[11]): ellipsis‿fibfac‿key11,typeof(char(*)[12]): ellipsis‿fibfac‿key12,typeof(char(*)[13]): ellipsis‿fibfac‿key13,typeof(char(*)[14]): ellipsis‿fibfac‿key14,typeof(char(*)[15]): ellipsis‿fibfac‿key15,typeof(char(*)[16]): ellipsis‿fibfac‿key16,typeof(char(*)[17]): ellipsis‿fibfac‿key17,typeof(char(*)[18]): ellipsis‿fibfac‿key18,typeof(char(*)[19]): ellipsis‿fibfac‿key19,typeof(char(*)[20]): ellipsis‿fibfac‿key20,typeof(char(*)[21]): ellipsis‿fibfac‿key21,typeof(char(*)[22]): ellipsis‿fibfac‿key22,typeof(char(*)[23]): ellipsis‿fibfac‿key23,typeof(char(*)[24]): ellipsis‿fibfac‿key24,typeof(char(*)[25]): ellipsis‿fibfac‿key25,typeof(char(*)[26]): ellipsis‿fibfac‿key26,typeof(char(*)[27]): ellipsis‿fibfac‿key27,typeof(char(*)[28]): ellipsis‿fibfac‿key28,typeof(char(*)[29]): ellipsis‿fibfac‿key29,typeof(char(*)[30]): ellipsis‿fibfac‿key30,typeof(char(*)[31]): ellipsis‿fibfac‿key31,typeof(char(*)[32]): ellipsis‿fibfac‿key32,typeof(char(*)[33]): ellipsis‿fibfac‿key33,typeof(char(*)[34]): ellipsis‿fibfac‿key34,typeof(char(*)[35]): ellipsis‿fibfac‿key35,typeof(char(*)[36]): ellipsis‿fibfac‿key36,typeof(char(*)[37]): ellipsis‿fibfac‿key37,typeof(char(*)[38]): ellipsis‿fibfac‿key38,typeof(char(*)[39]): ellipsis‿fibfac‿key39,typeof(char(*)[40]): ellipsis‿fibfac‿key40,typeof(char(*)[41]): ellipsis‿fibfac‿key41,typeof(char(*)[42]): ellipsis‿fibfac‿key42,typeof(char(*)[43]): ellipsis‿fibfac‿key43,typeof(char(*)[44]): ellipsis‿fibfac‿key44,typeof(char(*)[45]): ellipsis‿fibfac‿key45,typeof(char(*)[46]): ellipsis‿fibfac‿key46,typeof(char(*)[47]): ellipsis‿fibfac‿key47,typeof(char(*)[48]): ellipsis‿fibfac‿key48,typeof(char(*)[49]): ellipsis‿fibfac‿key49,typeof(char(*)[50]): ellipsis‿fibfac‿key50,typeof(char(*)[51]): ellipsis‿fibfac‿key51,typeof(char(*)[52]): ellipsis‿fibfac‿key52,typeof(char(*)[53]): ellipsis‿fibfac‿key53,typeof(char(*)[54]): ellipsis‿fibfac‿key54,typeof(char(*)[55]): ellipsis‿fibfac‿key55,typeof(char(*)[56]): ellipsis‿fibfac‿key56,typeof(char(*)[57]): ellipsis‿fibfac‿key57,typeof(char(*)[58]): ellipsis‿fibfac‿key58,typeof(char(*)[59]): ellipsis‿fibfac‿key59,typeof(char(*)[60]): ellipsis‿fibfac‿key60,typeof(char(*)[61]): ellipsis‿fibfac‿key61,typeof(char(*)[62]): ellipsis‿fibfac‿key62,typeof(char(*)[63]): ellipsis‿fibfac‿key63,typeof(char(*)[64]): ellipsis‿fibfac‿key64)

The Fibonacci factor for N bits as an integer constant expression.

Typedef Documentation

ellipsis‿fibfac‿base

typedef size_t ellipsis‿fibfac‿base

ellipsis‿fibfac

typedef enum ellipsis‿fibfac ellipsis‿fibfac

Enumeration Type Documentation

anonymous enum

anonymous enum : size_t

Enumerator
ellipsis‿fibfac‿max_intern

ellipsis‿fibfac

enum ellipsis‿fibfac : ellipsis‿fibfac‿base

An enumeration type ellipsis‿fibfac with the underlying integer type ellipsis‿fibfac‿base.

Enumerator
ellipsis‿fibfac‿key3	Fibonacci factor for hash with 3 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key4	Fibonacci factor for hash with 4 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key5	Fibonacci factor for hash with 5 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key6	Fibonacci factor for hash with 6 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key7	Fibonacci factor for hash with 7 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key8	Fibonacci factor for hash with 8 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key9	Fibonacci factor for hash with 9 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key10	Fibonacci factor for hash with 10 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key11	Fibonacci factor for hash with 11 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key12	Fibonacci factor for hash with 12 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key13	Fibonacci factor for hash with 13 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key14	Fibonacci factor for hash with 14 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key15	Fibonacci factor for hash with 15 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key16	Fibonacci factor for hash with 16 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key17	Fibonacci factor for hash with 17 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key18	Fibonacci factor for hash with 18 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key19	Fibonacci factor for hash with 19 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key20	Fibonacci factor for hash with 20 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key21	Fibonacci factor for hash with 21 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key22	Fibonacci factor for hash with 22 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key23	Fibonacci factor for hash with 23 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key24	Fibonacci factor for hash with 24 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key25	Fibonacci factor for hash with 25 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key26	Fibonacci factor for hash with 26 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key27	Fibonacci factor for hash with 27 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key28	Fibonacci factor for hash with 28 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key29	Fibonacci factor for hash with 29 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key30	Fibonacci factor for hash with 30 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key31	Fibonacci factor for hash with 31 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key32	Fibonacci factor for hash with 32 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key33	Fibonacci factor for hash with 33 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key34	Fibonacci factor for hash with 34 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key35	Fibonacci factor for hash with 35 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key36	Fibonacci factor for hash with 36 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key37	Fibonacci factor for hash with 37 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key38	Fibonacci factor for hash with 38 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key39	Fibonacci factor for hash with 39 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key40	Fibonacci factor for hash with 40 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key41	Fibonacci factor for hash with 41 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key42	Fibonacci factor for hash with 42 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key43	Fibonacci factor for hash with 43 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key44	Fibonacci factor for hash with 44 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key45	Fibonacci factor for hash with 45 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key46	Fibonacci factor for hash with 46 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key47	Fibonacci factor for hash with 47 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key48	Fibonacci factor for hash with 48 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key49	Fibonacci factor for hash with 49 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key50	Fibonacci factor for hash with 50 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key51	Fibonacci factor for hash with 51 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key52	Fibonacci factor for hash with 52 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key53	Fibonacci factor for hash with 53 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key54	Fibonacci factor for hash with 54 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key55	Fibonacci factor for hash with 55 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key56	Fibonacci factor for hash with 56 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key57	Fibonacci factor for hash with 57 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key58	Fibonacci factor for hash with 58 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key59	Fibonacci factor for hash with 59 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key60	Fibonacci factor for hash with 60 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key61	Fibonacci factor for hash with 61 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key62	Fibonacci factor for hash with 62 bit value. the real value is rounded down such that the result is odd
ellipsis‿fibfac‿key63	Fibonacci factor for hash with 63 bit value. the real value is rounded up such that the result is odd
ellipsis‿fibfac‿key64	Fibonacci factor for hash with 64 bit value. the real value is rounded down such that the result is odd

Function Documentation

ellipsis‿fibfac‿getname()

char const * ellipsis‿fibfac‿getname ( size_t  __LOC_ID_0_1 )

inline

Return the name of the enumeration constant of type ellipsis‿fibfac at position n, if any.

Beware that this is not necessarily the value of the enumeration constant.

See also

ellipsis‿fibfac

References ellipsis‿fibfac‿max_intern, and ellipsis‿fibfac‿names.

Referenced by ellipsis‿fibfac‿_Once‿init‿user().

Here is the caller graph for this function:

Variable Documentation

ellipsis‿fibfac‿names

char const* const* const ellipsis‿fibfac‿names

extern

An array with the names of the constants of type ellipsis‿fibfac.

Referenced by ellipsis‿fibfac‿getname().

ellipsis‿fibfac‿namesbuf_intern

char const* const ellipsis‿fibfac‿namesbuf_intern[ellipsis‿fibfac‿max_intern]

static