erf_complex.F File Reference

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Modules
module	erf_complex
	Module to compute the error function of a complex argument.

Functions/Subroutines
elemental complex(kind=dp) function, public	erf_complex::faddeyeva_accurate (z, err)
	Computes the Faddeyeva function w(z) = exp(-z**2) * erfc(-i*z)
elemental complex(kind=dp) function, public	erf_complex::erfz_accurate (z, err)
	Computes the error function of a complex argument using the Zaghloul and Ali algorithm.
elemental complex(kind=dp) function, public	erf_complex::faddeyeva_fast (z)
	Computes the Faddeyeva function w(z) = exp(-z**2) * erfc(-i*z)
elemental complex(kind=dp) function, public	erf_complex::erfz_fast (z)
	Computes the error function of a complex argument using the Poppe and Wijers algorithm.

Variables
real(kind=dp), parameter	erf_complex::zero = 0.0_dp
real(kind=dp), parameter	erf_complex::one = 1.0_dp
real(kind=dp), parameter	erf_complex::two = 2.0_dp
real(kind=dp), parameter	erf_complex::half = 0.5_dp
real(kind=dp), parameter	erf_complex::rmin = TINY(one)
real(kind=dp), parameter	erf_complex::eps0 = EPSILON(one)
real(kind=dp), parameter	erf_complex::sqrt_log_rmin = SQRT(-LOG(rmin))
real(kind=dp), parameter	erf_complex::pi2 = pi*pi
real(kind=dp), parameter	erf_complex::one_sqrt_pi = one/SQRT(pi)
complex(kind=dp), parameter	erf_complex::cmplxj = CMPLX(zero, one, kind=dp)
complex(kind=dp), parameter	erf_complex::cmplx0 = CMPLX(zero, zero, kind=dp)