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wrkdirs::usr...::man::dawson(3)  libcerf manual  wrkdirs::usr...::man::dawson(3)

NAME
     cdawson, dawson - Dawson's integral

SYNOPSIS
     #include <cerf.h>

     double _Complex cdawson ( double _Complex z );

     double	     dawson  ( double x );

DESCRIPTION
     The function cdawson returns Dawson's integral D(z) = exp(-z^2) integral
     from 0 to z exp(t^2) dt = sqrt(pi)/2  *  exp(-z^2) * erfi(z).

     For function dawson takes a real argument x, and returns the real result
     D(x).

SEE ALSO
     The computation of D(z) is based on Faddeeva's function w_of_z(3); to com-
     pute D(x), the imaginary part im_w_of_x(3) is used.

     Other complex error functions: w_of_z(3), voigt(3), cerf(3), erfcx(3),
     erfi(3).

     Homepage: http://apps.jcns.fz-juelich.de/libcerf

AUTHORS
     Steven G. Johnson, http://math.mit.edu/~stevenj,
       Massachusetts Institute of Technology,
       researched the numerics, and implemented the Faddeeva function.

     Joachim Wuttke <j.wuttke@fz-juelich.de>, Forschungszentrum Juelich,
       reorganized the code into a library, and wrote this man page.

     Please report bugs to the authors.

COPYING
     Copyright (c) 2012 Massachusetts Institute of Technology

     Copyright (c) 2013 Forschungszentrum Juelich GmbH

     Software: MIT License.

     This documentation: Creative Commons Attribution Share Alike.

perl v5.42.3			   2025-10-25	 wrkdirs::usr...::man::dawson(3)

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