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=pod
=begin html
<link rel="stylesheet" href="podstyle.css" type="text/css" />
=end html
=head1 NAME
cdawson, dawson - Dawson's integral
=head1 SYNOPSIS
B<#include <cerf.h>>
B<double _Complex cdawson ( double _Complex z );>
B<double dawson ( double x );>
=head1 DESCRIPTION
The function B<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 B<dawson> takes a real argument x, and returns the real result D(x).
=head1 SEE ALSO
The computation of D(z) is based on Faddeeva's function B<w_of_z>(3); to compute D(x), the imaginary part B<im_w_of_x>(3) is used.
Other complex error functions: B<w_of_z>(3), B<voigt>(3), B<cerf>(3), B<erfcx>(3), B<erfi>(3).
Homepage: http://apps.jcns.fz-juelich.de/libcerf
=head1 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.
=head1 COPYING
Copyright (c) 2012 Massachusetts Institute of Technology
Copyright (c) 2013 Forschungszentrum Juelich GmbH
Software: MIT License.
This documentation: Creative Commons Attribution Share Alike.
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