xt_arithmetic_util.h File Reference

#include <assert.h>
#include <limits.h>
#include <stddef.h>
#include "xt/xt_core.h"

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Macros
#define	is_divisible(divisor, coeff, dividend)   (divisor==0 || (dividend)%(divisor)==0)

Enumerations
enum	{ xt_int_bits = sizeof (Xt_int) * CHAR_BIT }

Functions
static Xt_int	Xt_isign (Xt_int x)
static int	isign (int x)
static int	isign_mask (int x)
static MPI_Aint	asign_mask (MPI_Aint x)
static Xt_int	Xt_isign_mask (Xt_int x)
static long long	llsign (long long x)
static long long	llsign_mask (long long x)
static int	imin (int a, int b)
static int	xinlz (Xt_uint v)
static int	xintz (Xt_uint v)
static size_t	next_2_pow (size_t v)
static Xt_int	Xt_doz (Xt_int a, Xt_int b)

Detailed Description

Copyright

Copyright (C) 2016 Jörg Behrens behre.nosp@m.ns@d.nosp@m.krz.d.nosp@m.e Moritz Hanke hanke.nosp@m.@dkr.nosp@m.z.de Thomas Jahns jahns.nosp@m.@dkr.nosp@m.z.de

Author

Jörg Behrens behre.nosp@m.ns@d.nosp@m.krz.d.nosp@m.e Moritz Hanke hanke.nosp@m.@dkr.nosp@m.z.de Thomas Jahns jahns.nosp@m.@dkr.nosp@m.z.de

Definition in file xt_arithmetic_util.h.

Macro Definition Documentation

is_divisible

#define is_divisible	(		divisor,
			coeff,
			dividend
	)		(divisor==0 || (dividend)%(divisor)==0)

Definition at line 403 of file xt_arithmetic_util.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
xt_int_bits

Definition at line 63 of file xt_arithmetic_util.h.

Function Documentation

asign_mask()

static MPI_Aint asign_mask ( MPI_Aint  x )

inlinestatic

Returns

~0 if x < 0, 0 otherwise

Definition at line 114 of file xt_arithmetic_util.h.

imin()

static int imin ( int  a, int  b  )

inlinestatic

Returns

MIN(a, b)

Definition at line 171 of file xt_arithmetic_util.h.

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isign()

static int isign ( int  x )

inlinestatic

Returns

-1 if x < 0, 1 otherwise

Definition at line 86 of file xt_arithmetic_util.h.

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isign_mask()

static int isign_mask ( int  x )

inlinestatic

Returns

~0 if x < 0, 0 otherwise

Definition at line 100 of file xt_arithmetic_util.h.

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llsign()

static long long llsign ( long long  x )

inlinestatic

Returns

-1 if x < 0, 1 otherwise

Definition at line 143 of file xt_arithmetic_util.h.

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llsign_mask()

static long long llsign_mask ( long long  x )

inlinestatic

Returns

~(long long)0 if x < 0, 0 otherwise

Definition at line 157 of file xt_arithmetic_util.h.

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next_2_pow()

static size_t next_2_pow ( size_t  v )

inlinestatic

Definition at line 252 of file xt_arithmetic_util.h.

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xinlz()

static int xinlz ( Xt_uint  v )

inlinestatic

Definition at line 181 of file xt_arithmetic_util.h.

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xintz()

static int xintz ( Xt_uint  v )

inlinestatic

Definition at line 214 of file xt_arithmetic_util.h.

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Xt_doz()

static Xt_int Xt_doz ( Xt_int  a, Xt_int  b  )

inlinestatic

Definition at line 286 of file xt_arithmetic_util.h.

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Xt_isign()

static Xt_int Xt_isign ( Xt_int  x )

inlinestatic

Returns

-1 if x < 0, 1 otherwise

Definition at line 72 of file xt_arithmetic_util.h.

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Xt_isign_mask()

static Xt_int Xt_isign_mask ( Xt_int  x )

inlinestatic

Returns

~(Xt_int)0 if x < 0, 0 otherwise

Definition at line 129 of file xt_arithmetic_util.h.

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