NAFPack_constant Module

Module for defining constants used in NAFPack

This module includes mathematical constants, colors for terminal output, and other parameters that are used throughout the NAFPack library.


Uses

  • module~~nafpack_constant~~UsesGraph module~nafpack_constant NAFPack_constant iso_fortran_env iso_fortran_env module~nafpack_constant->iso_fortran_env

Used by

  • module~~nafpack_constant~~UsedByGraph module~nafpack_constant NAFPack_constant module~nafpack_config NAFPack_config module~nafpack_config->module~nafpack_constant module~nafpack_direct_method NAFPack_Direct_method module~nafpack_direct_method->module~nafpack_constant module~nafpack_matrix_decomposition NAFPack_matrix_decomposition module~nafpack_direct_method->module~nafpack_matrix_decomposition module~nafpack_matrix_properties NAFPack_matrix_properties module~nafpack_direct_method->module~nafpack_matrix_properties module~nafpack_matrix_tools NAFPack_matrix_tools module~nafpack_direct_method->module~nafpack_matrix_tools module~nafpack_eigen NAFPack_Eigen module~nafpack_eigen->module~nafpack_constant module~nafpack_matricielle NAFPack_matricielle module~nafpack_eigen->module~nafpack_matricielle module~nafpack_eigen->module~nafpack_matrix_decomposition module~nafpack_fft NAFPack_fft module~nafpack_fft->module~nafpack_constant module~nafpack_iterative_methods NAFPack_Iterative_methods module~nafpack_iterative_methods->module~nafpack_constant module~nafpack_iterative_params NAFPack_Iterative_Params module~nafpack_iterative_methods->module~nafpack_iterative_params module~nafpack_iterative_types NAFPack_Iterative_types module~nafpack_iterative_methods->module~nafpack_iterative_types module~nafpack_logger_mod NAFPack_Logger_mod module~nafpack_iterative_methods->module~nafpack_logger_mod module~nafpack_iterative_methods->module~nafpack_matricielle module~nafpack_iterative_methods->module~nafpack_matrix_decomposition module~nafpack_iterative_methods->module~nafpack_matrix_properties module~nafpack_preconditioners NAFPack_Preconditioners module~nafpack_iterative_methods->module~nafpack_preconditioners module~nafpack_iterative_params->module~nafpack_constant module~nafpack_iterative_params->module~nafpack_iterative_types module~nafpack_iterative_params->module~nafpack_matrix_decomposition module~nafpack_iterative_params->module~nafpack_preconditioners module~nafpack_iterative_types->module~nafpack_constant module~nafpack_logger_mod->module~nafpack_constant module~nafpack_matricielle->module~nafpack_constant module~nafpack_matrix_decomposition->module~nafpack_constant module~nafpack_matrix_decomposition->module~nafpack_matricielle module~nafpack_matrix_properties->module~nafpack_constant module~nafpack_matrix_properties->module~nafpack_eigen module~nafpack_matrix_properties->module~nafpack_matricielle module~nafpack_matrix_tools->module~nafpack_constant module~nafpack_matrix_tools->module~nafpack_matricielle module~nafpack_meshgrid NAFPack_meshgrid module~nafpack_meshgrid->module~nafpack_constant module~nafpack_preconditioners->module~nafpack_constant module~nafpack_preconditioners->module~nafpack_iterative_types module~nafpack_preconditioners->module~nafpack_matricielle module~nafpack_preconditioners->module~nafpack_matrix_decomposition module~nafpack_linalg NAFPack_linalg module~nafpack_linalg->module~nafpack_direct_method module~nafpack_linalg->module~nafpack_iterative_methods module~nafpack_linalg->module~nafpack_iterative_types

Variables

Type Visibility Attributes Name Initial
real(kind=dp), public, parameter :: pi = ACOS(-1.d0)

constant
complex(kind=dp), public, parameter :: im = (0.d0, 1.d0)

Imaginary unit

real(kind=dp), public, parameter :: epsi = 1.d-12

Small value
real(kind=dp), public, parameter :: epsi_test = 1.d-6

Small value
integer, public, parameter :: kmax = 10000

Maximum number of iterations for iterative methods
character(len=*), public, parameter :: status_len = REPEAT(" ", 15)

len of status messages
character(len=10), public :: red_color = CHAR(27)//"[31m"

red colors for terminal output
character(len=10), public :: green_color = CHAR(27)//"[32m"

green colors for terminal output
character(len=10), public :: yellow_color = CHAR(27)//"[33m"

yellow colors for terminal output
character(len=10), public :: blue_color = CHAR(27)//"[34m"

blue colors for terminal output
character(len=10), public :: purple_color = CHAR(27)//"[35m"

purple colors for terminal output
character(len=10), public :: cyan_color = CHAR(27)//"[36m"

cyan colors for terminal output
character(len=10), public :: white_color = CHAR(27)//"[37m"

white colors for terminal output
character(len=10), public :: reset_color = CHAR(27)//"[0m"

reset colors for terminal output
integer, public, parameter :: NAF_SUCCESS = 0

Error codes for better error handling
integer, public, parameter :: NAF_ERROR_DIMENSION = 1
integer, public, parameter :: NAF_ERROR_SINGULAR = 2
integer, public, parameter :: NAF_ERROR_CONVERGENCE = 3
integer, public, parameter :: NAF_ERROR_MEMORY = 4
integer, public, parameter :: NAF_ERROR_INVALID_METHOD = 5
real(kind=dp), public, parameter :: TOL_PIVOT = 1.0e-14_dp

Improved tolerance parameters
real(kind=dp), public, parameter :: TOL_CONVERGENCE = 1.0e-12_dp