declares global constants and checks plausibility of configuration More...

Macros
#define	GADGET_VERSION "4.0" /* code version string */

#define	FILEFORMAT_LEGACY1 1

#define	FILEFORMAT_LEGACY2 2

#define	FILEFORMAT_HDF5 3

#define	MODE_LOCAL_PARTICLES 0

#define	MODE_IMPORTED_PARTICLES 1

#define	MODE_DEFAULT 2

#define	MODE_LOCAL_NO_EXPORT 3

#define	FIRST_HALF_STEP 0

#define	SECOND_HALF_STEP 1

#define	FLAG_OUTSIDE 0

#define	FLAG_INSIDE 1

#define	FLAG_BOUNDARYOVERLAP 2

#define	LOW_MESH 0 /* low-res mesh selector */

#define	HIGH_MESH 1 /* high-res mesh selector */

#define	MAX_THREADS 128

#define	DIRECT_SUMMATION_THRESHOLD 500

#define	NUMBER_OF_MEASUREMENTS_TO_RECORD 6

#define	MAX_FIRST_ELEMENTS_CONSIDERED 5 /* This sets the number of lowest loaded tasks to be considered for assignment of next domain patch */

#define	COMMBUFFERSIZE (32 * 1024LL * 1024LL)

#define	MPI_MESSAGE_SIZELIMIT_IN_MB 200

#define	MPI_MESSAGE_SIZELIMIT_IN_BYTES ((MPI_MESSAGE_SIZELIMIT_IN_MB)1024LL 1024LL)

#define	M_PI 3.14159265358979323846

#define	TO_MBYTE_FAC (1.0 / (1024.0 * 1024.0))

#define	LIGHTCONE_ALLOC_FAC 0.1

#define	LIGHTCONE_MASSMAP_ALLOC_FAC 1.0

#define	LIGHTCONE_MAX_FILLFACTOR 0.9

#define	ALLOC_TOLERANCE 0.2

#define	ALLOC_STARBH_ROOM 0.02

#define	MAX_FLOAT_NUMBER 1e37

#define	MIN_FLOAT_NUMBER 1e-37

#define	MAX_DOUBLE_NUMBER 1e306

#define	MIN_DOUBLE_NUMBER 1e-306

#define	SMALLNUM 1e-60

#define	MAX_REAL_NUMBER MAX_FLOAT_NUMBER

#define	MIN_REAL_NUMBER MIN_FLOAT_NUMBER

#define	GAMMA (5.0 / 3)

#define	GAMMA_MINUS1 (GAMMA - 1)

#define	HYDROGEN_MASSFRAC 0.76

#define	METAL_YIELD 0.02

#define	GRAVITY 6.6738e-8

#define	SOLAR_MASS 1.989e33

#define	BOLTZMANN 1.38065e-16

#define	CLIGHT 2.99792458e10

#define	PARSEC 3.085678e18

#define	PROTONMASS 1.67262178e-24

#define	HUBBLE 3.2407789e-18 /* in h/sec */

#define	SEC_PER_MEGAYEAR 3.15576e13

#define	SEC_PER_YEAR 3.15576e7

#define	FOF_PRIMARY_LINK_TYPES 2

#define	FOF_SECONDARY_LINK_TYPES 0

#define	FOF_LINKLENGTH 0.2

#define	FOF_GROUP_MIN_LEN 32

#define	MULTIPOLE_ORDER 1

#define	ASMTH 1.25

#define	RCUT 7.0

#define	MAXLEN_OUTPUTLIST 1100

#define	MAXLEN_PATH 512

#define	MAXLEN_PATH_EXTRA 2048

#define	BASENUMBER 100

#define	MAXITER 10000

#define	NTYPES 6

#define	NSOFTCLASSES NTYPES

#define	NSOFTCLASSES_HYDRO 0

#define	TIMEBINS 29

#define	TIMEBASE (1 << TIMEBINS)

#define	STAR_TYPE 4

#define	NUMDIMS 3

#define	KERNEL_COEFF_1 2.546479089470

#define	KERNEL_COEFF_2 15.278874536822

#define	KERNEL_COEFF_3 45.836623610466

#define	KERNEL_COEFF_4 30.557749073644

#define	KERNEL_COEFF_5 5.092958178941

#define	KERNEL_COEFF_6 (-15.278874536822)

#define	NORM_COEFF 4.188790204786

#define	SOFTFAC1 (32.0 / 3)

#define	SOFTFAC2 32.0

#define	SOFTFAC3 (-38.4)

#define	SOFTFAC4 (-2.8)

#define	SOFTFAC5 (16.0 / 3)

#define	SOFTFAC6 6.4

#define	SOFTFAC7 (-9.6)

#define	SOFTFAC8 (64.0 / 3)

#define	SOFTFAC9 (-48.0)

#define	SOFTFAC10 38.4

#define	SOFTFAC11 (-32.0 / 3)

#define	SOFTFAC12 (-1.0 / 15)

#define	SOFTFAC13 (-3.2)

#define	SOFTFAC14 (1.0 / 15)

#define	SOFTFAC15 (-16.0)

#define	SOFTFAC16 9.6

#define	SOFTFAC17 (-64.0 / 30)

#define	SOFTFAC18 128.0

#define	SOFTFAC19 (-115.2)

#define	SOFTFAC20 (64.0 / 3)

#define	SOFTFAC21 (-96.0)

#define	SOFTFAC22 115.2

#define	SOFTFAC23 (-128.0 / 3)

#define	SOFTFAC24 (4.0 / 30)

#define	SOFTFAC30 (32.0 / 3)

#define	SOFTFAC31 (-576.0 / 5)

#define	SOFTFAC32 (128.0)

#define	SOFTFAC33 (-1152.0 / 5)

#define	SOFTFAC34 (384.0)

#define	SOFTFAC35 (2.0 * 384.0)

#define	SOFTFAC40 (64.0 / 3)

#define	SOFTFAC41 (2.0 / 15)

#define	SOFTFAC42 (-96.0)

#define	SOFTFAC43 (576.0 / 5)

#define	SOFTFAC44 (-128.0 / 3)

#define	SOFTFAC45 (-96.0)

#define	SOFTFAC46 (-2.0 / 5)

#define	SOFTFAC47 (1152.0 / 5)

#define	SOFTFAC48 (-128.0)

#define	SOFTFAC49 (8.0 / 5)

#define	SOFTFAC50 (-256.0)

#define	SOFTFAC51 (-8.0)

#define	SQRT_PI 1.772453850906 /* sqrt(M_PI) */

#define	FACT1 0.366025403785 /* FACT1 = 0.5 * (sqrt(3)-1) */

#define	FACTSQRT3HALF 0.866025403785 /* sqrt(3)/2 */

#define	FACTSQRT3 (2.0 * 0.866025403785) /* sqrt(3) */

Typedefs
typedef int	integertime

Detailed Description

declares global constants and checks plausibility of configuration

Definition in file constants.h.

Macro Definition Documentation

◆ ALLOC_STARBH_ROOM

#define ALLOC_STARBH_ROOM 0.02

Definition at line 77 of file constants.h.

◆ ALLOC_TOLERANCE

#define ALLOC_TOLERANCE 0.2

Definition at line 74 of file constants.h.

◆ ASMTH

#define ASMTH 1.25

ASMTH gives the scale of the short-range/long-range force split in units of FFT-mesh cells

Definition at line 287 of file constants.h.

◆ BASENUMBER

#define BASENUMBER 100

Definition at line 303 of file constants.h.

◆ BOLTZMANN

#define BOLTZMANN 1.38065e-16

Definition at line 120 of file constants.h.

◆ CLIGHT

#define CLIGHT 2.99792458e10

Definition at line 121 of file constants.h.

◆ COMMBUFFERSIZE

#define COMMBUFFERSIZE (32 * 1024LL * 1024LL)

Definition at line 47 of file constants.h.

◆ DIRECT_SUMMATION_THRESHOLD

#define DIRECT_SUMMATION_THRESHOLD 500

Definition at line 39 of file constants.h.

◆ FACT1

#define FACT1 0.366025403785 /* FACT1 = 0.5 * (sqrt(3)-1) */

Definition at line 435 of file constants.h.

◆ FACTSQRT3

#define FACTSQRT3 (2.0 * 0.866025403785) /* sqrt(3) */

Definition at line 437 of file constants.h.

◆ FACTSQRT3HALF

#define FACTSQRT3HALF 0.866025403785 /* sqrt(3)/2 */

Definition at line 436 of file constants.h.

◆ FILEFORMAT_HDF5

#define FILEFORMAT_HDF5 3

Definition at line 19 of file constants.h.

◆ FILEFORMAT_LEGACY1

#define FILEFORMAT_LEGACY1 1

Definition at line 17 of file constants.h.

◆ FILEFORMAT_LEGACY2

#define FILEFORMAT_LEGACY2 2

Definition at line 18 of file constants.h.

◆ FIRST_HALF_STEP

#define FIRST_HALF_STEP 0

Definition at line 26 of file constants.h.

◆ FLAG_BOUNDARYOVERLAP

#define FLAG_BOUNDARYOVERLAP 2

Definition at line 31 of file constants.h.

◆ FLAG_INSIDE

#define FLAG_INSIDE 1

Definition at line 30 of file constants.h.

◆ FLAG_OUTSIDE

#define FLAG_OUTSIDE 0

Definition at line 29 of file constants.h.

◆ FOF_GROUP_MIN_LEN

#define FOF_GROUP_MIN_LEN 32

Definition at line 143 of file constants.h.

◆ FOF_LINKLENGTH

#define FOF_LINKLENGTH 0.2

Definition at line 139 of file constants.h.

◆ FOF_PRIMARY_LINK_TYPES

#define FOF_PRIMARY_LINK_TYPES 2

Definition at line 131 of file constants.h.

◆ FOF_SECONDARY_LINK_TYPES

#define FOF_SECONDARY_LINK_TYPES 0

Definition at line 135 of file constants.h.

◆ GADGET_VERSION

#define GADGET_VERSION "4.0" /* code version string */

Definition at line 15 of file constants.h.

◆ GAMMA

#define GAMMA (5.0 / 3)

adiabatic index of simulated gas

Definition at line 99 of file constants.h.

◆ GAMMA_MINUS1

#define GAMMA_MINUS1 (GAMMA - 1)

Definition at line 110 of file constants.h.

◆ GRAVITY

#define GRAVITY 6.6738e-8

Definition at line 118 of file constants.h.

◆ HIGH_MESH

#define HIGH_MESH 1 /* high-res mesh selector */

Definition at line 34 of file constants.h.

◆ HUBBLE

#define HUBBLE 3.2407789e-18 /* in h/sec */

Definition at line 125 of file constants.h.

◆ HYDROGEN_MASSFRAC

#define HYDROGEN_MASSFRAC 0.76

mass fraction of hydrogen, relevant only for radiative cooling

Definition at line 112 of file constants.h.

◆ KERNEL_COEFF_1

#define KERNEL_COEFF_1 2.546479089470

Coefficients for SPH spline kernel and its derivative

Definition at line 370 of file constants.h.

◆ KERNEL_COEFF_2

#define KERNEL_COEFF_2 15.278874536822

Definition at line 371 of file constants.h.

◆ KERNEL_COEFF_3

#define KERNEL_COEFF_3 45.836623610466

Definition at line 372 of file constants.h.

◆ KERNEL_COEFF_4

#define KERNEL_COEFF_4 30.557749073644

Definition at line 373 of file constants.h.

◆ KERNEL_COEFF_5

#define KERNEL_COEFF_5 5.092958178941

Definition at line 374 of file constants.h.

◆ KERNEL_COEFF_6

#define KERNEL_COEFF_6 (-15.278874536822)

Definition at line 375 of file constants.h.

◆ LIGHTCONE_ALLOC_FAC

#define LIGHTCONE_ALLOC_FAC 0.1

Definition at line 62 of file constants.h.

◆ LIGHTCONE_MASSMAP_ALLOC_FAC

#define LIGHTCONE_MASSMAP_ALLOC_FAC 1.0

Definition at line 66 of file constants.h.

◆ LIGHTCONE_MAX_FILLFACTOR

#define LIGHTCONE_MAX_FILLFACTOR 0.9

Definition at line 70 of file constants.h.

◆ LOW_MESH

#define LOW_MESH 0 /* low-res mesh selector */

Definition at line 33 of file constants.h.

◆ M_PI

#define M_PI 3.14159265358979323846

Definition at line 56 of file constants.h.

◆ MAX_DOUBLE_NUMBER

#define MAX_DOUBLE_NUMBER 1e306

Definition at line 81 of file constants.h.

◆ MAX_FIRST_ELEMENTS_CONSIDERED

#define MAX_FIRST_ELEMENTS_CONSIDERED 5 /* This sets the number of lowest loaded tasks to be considered for assignment of next domain patch */

Definition at line 44 of file constants.h.

◆ MAX_FLOAT_NUMBER

#define MAX_FLOAT_NUMBER 1e37

Definition at line 79 of file constants.h.

◆ MAX_REAL_NUMBER

#define MAX_REAL_NUMBER MAX_FLOAT_NUMBER

Definition at line 94 of file constants.h.

◆ MAX_THREADS

#define MAX_THREADS 128

Definition at line 36 of file constants.h.

◆ MAXITER

#define MAXITER 10000

Definition at line 305 of file constants.h.

◆ MAXLEN_OUTPUTLIST

#define MAXLEN_OUTPUTLIST 1100

maxmimum number of entries in output list

Definition at line 297 of file constants.h.

◆ MAXLEN_PATH

#define MAXLEN_PATH 512

maximum length of various filenames (full path)

Definition at line 300 of file constants.h.

◆ MAXLEN_PATH_EXTRA

#define MAXLEN_PATH_EXTRA 2048

maximum length of various filenames, plus extra space

Definition at line 301 of file constants.h.

◆ METAL_YIELD

#define METAL_YIELD 0.02

effective metal yield for star formation

Definition at line 114 of file constants.h.

◆ MIN_DOUBLE_NUMBER

#define MIN_DOUBLE_NUMBER 1e-306

Definition at line 82 of file constants.h.

◆ MIN_FLOAT_NUMBER

#define MIN_FLOAT_NUMBER 1e-37

Definition at line 80 of file constants.h.

◆ MIN_REAL_NUMBER

#define MIN_REAL_NUMBER MIN_FLOAT_NUMBER

Definition at line 95 of file constants.h.

◆ MODE_DEFAULT

#define MODE_DEFAULT 2

Definition at line 23 of file constants.h.

◆ MODE_IMPORTED_PARTICLES

#define MODE_IMPORTED_PARTICLES 1

Definition at line 22 of file constants.h.

◆ MODE_LOCAL_NO_EXPORT

#define MODE_LOCAL_NO_EXPORT 3

Definition at line 24 of file constants.h.

◆ MODE_LOCAL_PARTICLES

#define MODE_LOCAL_PARTICLES 0

Definition at line 21 of file constants.h.

◆ MPI_MESSAGE_SIZELIMIT_IN_BYTES

#define MPI_MESSAGE_SIZELIMIT_IN_BYTES ((MPI_MESSAGE_SIZELIMIT_IN_MB)*1024LL * 1024LL)

Definition at line 53 of file constants.h.

◆ MPI_MESSAGE_SIZELIMIT_IN_MB

#define MPI_MESSAGE_SIZELIMIT_IN_MB 200

Definition at line 50 of file constants.h.

◆ MULTIPOLE_ORDER

#define MULTIPOLE_ORDER 1

Definition at line 171 of file constants.h.

◆ NORM_COEFF

#define NORM_COEFF 4.188790204786

Coefficient for kernel normalization. Note: 4.0/3 * PI = 4.188790204786

Definition at line 376 of file constants.h.

◆ NSOFTCLASSES

#define NSOFTCLASSES NTYPES

Definition at line 312 of file constants.h.

◆ NSOFTCLASSES_HYDRO

#define NSOFTCLASSES_HYDRO 0

Definition at line 321 of file constants.h.

◆ NTYPES

#define NTYPES 6

Definition at line 308 of file constants.h.

◆ NUMBER_OF_MEASUREMENTS_TO_RECORD

#define NUMBER_OF_MEASUREMENTS_TO_RECORD 6

Definition at line 42 of file constants.h.

◆ NUMDIMS

#define NUMDIMS 3

For 3D-normalized kernel

Definition at line 369 of file constants.h.

◆ PARSEC

#define PARSEC 3.085678e18

Definition at line 123 of file constants.h.

◆ PROTONMASS

#define PROTONMASS 1.67262178e-24

Definition at line 124 of file constants.h.

◆ RCUT

#define RCUT 7.0

RCUT gives the maximum distance (in units of the scale used for the force split) out to which short-range forces are evaluated in the short-range tree walk.

Definition at line 293 of file constants.h.

◆ SEC_PER_MEGAYEAR

#define SEC_PER_MEGAYEAR 3.15576e13

Definition at line 127 of file constants.h.

◆ SEC_PER_YEAR

#define SEC_PER_YEAR 3.15576e7

Definition at line 128 of file constants.h.

◆ SECOND_HALF_STEP

#define SECOND_HALF_STEP 1

Definition at line 27 of file constants.h.

◆ SMALLNUM

#define SMALLNUM 1e-60

Definition at line 83 of file constants.h.

◆ SOFTFAC1

#define SOFTFAC1 (32.0 / 3)

Coefficients for gravitational softening

Definition at line 389 of file constants.h.

◆ SOFTFAC10

#define SOFTFAC10 38.4

Definition at line 398 of file constants.h.

◆ SOFTFAC11

#define SOFTFAC11 (-32.0 / 3)

Definition at line 399 of file constants.h.

◆ SOFTFAC12

#define SOFTFAC12 (-1.0 / 15)

Definition at line 400 of file constants.h.

◆ SOFTFAC13

#define SOFTFAC13 (-3.2)

Definition at line 401 of file constants.h.

◆ SOFTFAC14

#define SOFTFAC14 (1.0 / 15)

Definition at line 402 of file constants.h.

◆ SOFTFAC15

#define SOFTFAC15 (-16.0)

Definition at line 403 of file constants.h.

◆ SOFTFAC16

#define SOFTFAC16 9.6

Definition at line 404 of file constants.h.

◆ SOFTFAC17

#define SOFTFAC17 (-64.0 / 30)

Definition at line 405 of file constants.h.

◆ SOFTFAC18

#define SOFTFAC18 128.0

Definition at line 406 of file constants.h.

◆ SOFTFAC19

#define SOFTFAC19 (-115.2)

Definition at line 407 of file constants.h.

◆ SOFTFAC2

#define SOFTFAC2 32.0

Definition at line 390 of file constants.h.

◆ SOFTFAC20

#define SOFTFAC20 (64.0 / 3)

Definition at line 408 of file constants.h.

◆ SOFTFAC21

#define SOFTFAC21 (-96.0)

Definition at line 409 of file constants.h.

◆ SOFTFAC22

#define SOFTFAC22 115.2

Definition at line 410 of file constants.h.

◆ SOFTFAC23

#define SOFTFAC23 (-128.0 / 3)

Definition at line 411 of file constants.h.

◆ SOFTFAC24

#define SOFTFAC24 (4.0 / 30)

Definition at line 412 of file constants.h.

◆ SOFTFAC3

#define SOFTFAC3 (-38.4)

Definition at line 391 of file constants.h.

◆ SOFTFAC30

#define SOFTFAC30 (32.0 / 3)

Definition at line 414 of file constants.h.

◆ SOFTFAC31

#define SOFTFAC31 (-576.0 / 5)

Definition at line 415 of file constants.h.

◆ SOFTFAC32

#define SOFTFAC32 (128.0)

Definition at line 416 of file constants.h.

◆ SOFTFAC33

#define SOFTFAC33 (-1152.0 / 5)

Definition at line 417 of file constants.h.

◆ SOFTFAC34

#define SOFTFAC34 (384.0)

Definition at line 418 of file constants.h.

◆ SOFTFAC35

#define SOFTFAC35 (2.0 * 384.0)

Definition at line 419 of file constants.h.

◆ SOFTFAC4

#define SOFTFAC4 (-2.8)

Definition at line 392 of file constants.h.

◆ SOFTFAC40

#define SOFTFAC40 (64.0 / 3)

Definition at line 421 of file constants.h.

◆ SOFTFAC41

#define SOFTFAC41 (2.0 / 15)

Definition at line 422 of file constants.h.

◆ SOFTFAC42

#define SOFTFAC42 (-96.0)

Definition at line 423 of file constants.h.

◆ SOFTFAC43

#define SOFTFAC43 (576.0 / 5)

Definition at line 424 of file constants.h.

◆ SOFTFAC44

#define SOFTFAC44 (-128.0 / 3)

Definition at line 425 of file constants.h.

◆ SOFTFAC45

#define SOFTFAC45 (-96.0)

Definition at line 426 of file constants.h.

◆ SOFTFAC46

#define SOFTFAC46 (-2.0 / 5)

Definition at line 427 of file constants.h.

◆ SOFTFAC47

#define SOFTFAC47 (1152.0 / 5)

Definition at line 428 of file constants.h.

◆ SOFTFAC48

#define SOFTFAC48 (-128.0)

Definition at line 429 of file constants.h.

◆ SOFTFAC49

#define SOFTFAC49 (8.0 / 5)

Definition at line 430 of file constants.h.

◆ SOFTFAC5

#define SOFTFAC5 (16.0 / 3)

Definition at line 393 of file constants.h.

◆ SOFTFAC50

#define SOFTFAC50 (-256.0)

Definition at line 431 of file constants.h.

◆ SOFTFAC51

#define SOFTFAC51 (-8.0)

Definition at line 432 of file constants.h.

◆ SOFTFAC6

#define SOFTFAC6 6.4

Definition at line 394 of file constants.h.

◆ SOFTFAC7

#define SOFTFAC7 (-9.6)

Definition at line 395 of file constants.h.

◆ SOFTFAC8

#define SOFTFAC8 (64.0 / 3)

Definition at line 396 of file constants.h.

◆ SOFTFAC9

#define SOFTFAC9 (-48.0)

Definition at line 397 of file constants.h.

◆ SOLAR_MASS

#define SOLAR_MASS 1.989e33

Definition at line 119 of file constants.h.

◆ SQRT_PI

#define SQRT_PI 1.772453850906 /* sqrt(M_PI) */

Definition at line 434 of file constants.h.

◆ STAR_TYPE

#define STAR_TYPE 4

Definition at line 351 of file constants.h.

◆ TIMEBASE

#define TIMEBASE (1 << TIMEBINS)

Definition at line 333 of file constants.h.

◆ TIMEBINS

#define TIMEBINS 29

Definition at line 332 of file constants.h.

◆ TO_MBYTE_FAC

#define TO_MBYTE_FAC (1.0 / (1024.0 * 1024.0))

Definition at line 59 of file constants.h.

Typedef Documentation

◆ integertime

typedef int integertime

Definition at line 331 of file constants.h.

Macros

Typedefs