!####################################################################### MODULE const_and_precisions !########################################################################! IMPLICIT NONE PUBLIC !------------------------------------------------------------------------ ! common precisions !------------------------------------------------------------------------ INTEGER, PARAMETER :: sp_ = 4 ! single precision INTEGER, PARAMETER :: dp_ = 8 ! double precision ! INTEGER, PARAMETER :: sp_ = KIND(1.0E0) ! single precision ! INTEGER, PARAMETER :: dp_ = KIND(1.0D0) ! double precision INTEGER, PARAMETER :: wp_ = dp_ ! work-precision INTEGER, PARAMETER :: odep_ = dp_ ! ODE-solver precision !------------------------------------------------------------------------ ! precisions which are in use in CONFIG_yat !------------------------------------------------------------------------ INTEGER, PARAMETER :: ypi_ = 4 ! <- direct precision def. INTEGER, PARAMETER :: ypd_ = 8 ! <- direct precision def. !------------------------------------------------------------------------ ! length of the file names !------------------------------------------------------------------------ INTEGER, PARAMETER :: lfn_ = 256 ! <- requested for yat !======================================================================== ! Arithmetic constants !======================================================================== REAL(wp_), PARAMETER :: zero = 0.0_wp_ REAL(wp_), PARAMETER :: unit = 1.0_wp_ REAL(wp_), PARAMETER :: pi = 3.141592653589793_wp_ REAL(wp_), PARAMETER :: sqrt_pi = 1.772453850905516_wp_ REAL(wp_), PARAMETER :: sqrt_2 = 1.414213562373095_wp_ REAL(wp_), PARAMETER :: rad = pi/180.0_wp_ !--- REAL(wp_), PARAMETER :: ex(1:3) = (/unit,zero,zero/) REAL(wp_), PARAMETER :: ey(1:3) = (/zero,unit,zero/) REAL(wp_), PARAMETER :: ez(1:3) = (/zero,zero,unit/) !--- REAL(wp_), PARAMETER :: kron(3,3) = reshape((/unit,zero,zero, & zero,unit,zero, & zero,zero,unit/),(/3,3/)) COMPLEX(wp_), PARAMETER :: im = (0.0_wp_,1.0_wp_) COMPLEX(wp_), PARAMETER :: czero = (0.0_wp_,0.0_wp_) COMPLEX(wp_), PARAMETER :: cunit = (1.0_wp_,0.0_wp_) COMPLEX(wp_), PARAMETER :: ctwo = (2.0_wp_,0.0_wp_) !======================================================================== ! Computer constants !======================================================================== REAL(wp_), PARAMETER :: comp_eps = EPSILON(unit) REAL(wp_), PARAMETER :: comp_eps2 = comp_eps**2 REAL(wp_), PARAMETER :: comp_tiny = TINY(unit) REAL(wp_), PARAMETER :: comp_huge = HUGE(unit) REAL(wp_), PARAMETER :: comp_tinylog =-200 ! LOG10(comp_tiny) REAL(wp_), PARAMETER :: comp_hugelog =+200 ! LOG10(comp_huge) ! REAL(wp_), PARAMETER :: comp_tiny1 = 1d+50*comp_tiny ! REAL(wp_), PARAMETER :: comp_huge1 = 1d-50*comp_huge ! REAL(wp_), PARAMETER :: comp_tiny1log = LOG10(comp_tiny1) ! REAL(wp_), PARAMETER :: comp_huge1log = LOG10(comp_huge1) !------------------------------------------------------------------------ ! Conventional constants !------------------------------------------------------------------------ REAL(wp_), PARAMETER :: output_tiny = 1.0d-66 REAL(wp_), PARAMETER :: output_huge = 1.0d+66 !======================================================================== ! Physical constants (SI) !======================================================================== REAL(wp_), PARAMETER :: e_ = 1.601917d-19 ! [C] REAL(wp_), PARAMETER :: me_ = 9.109558d-31 ! [kg] REAL(wp_), PARAMETER :: mp_ = 1.672614d-27 ! [kg] REAL(wp_), PARAMETER :: rmpe_ = mp_/me_ REAL(wp_), PARAMETER :: c_ = 2.997925d+08 ! [m/s] REAL(wp_), PARAMETER :: eps0_ = 8.854188d-12 ! [F/m] !------------------------------------------------------------------------ ! Useful definitions !------------------------------------------------------------------------ REAL(wp_), PARAMETER :: keV_ = 1000*e_ ! [J] REAL(wp_), PARAMETER :: mc2_SI = me_*c_**2 ! [J] REAL(wp_), PARAMETER :: mc2_ = mc2_SI/keV_ ! [keV] REAL(wp_), PARAMETER :: mc_ = me_*c_ ! [kg*m/s] ! f_ce = fce1_*B (B in Tesla): ! REAL(wp_), PARAMETER :: wce1_ = e_/me_ ! [rad/s] REAL(wp_), PARAMETER :: fce1_ = wce1_/(2*pi) ! [1/s] ! f_pl = fpe1_*sqrt(Ne) (Ne in 1/m**3): ! REAL(wp_), PARAMETER :: wpe1_ = 56.4049201 ! [rad/s] REAL(wp_), PARAMETER :: fpe1_ = wpe1_/(2*pi) ! [1/s] REAL(wp_), PARAMETER :: wpe12_ = wpe1_**2 ! ! vte = vte1_*sqrt(Te) (Te in keV): ! REAL(wp_), PARAMETER :: vte1_ = 1.8755328e7 ! [m/s] ! je = curr1_*sqrt(Te)*Ne (Ne in 1/m**3): ! REAL(wp_), PARAMETER :: curr1_ = e_*vte1_ ! [A/m**2] !======================================================================== ! Upper limit for the momentum value for integration !======================================================================== REAL(wp_), PARAMETER :: umax_ = 7.0d0 ! max of (p/pth) INTEGER, PARAMETER :: nu_ = 700 ! size of upar-array !======================================================================== ! minimal value of Nparallel !======================================================================== REAL(wp_), PARAMETER :: Npar_min = 1.0d-2 !########################################################################! END MODULE const_and_precisions !########################################################################!