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 /* Copyright (c) 2012 Massachusetts Institute of Technology
  * 
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
  * "Software"), to deal in the Software without restriction, including
  * without limitation the rights to use, copy, modify, merge, publish,
  * distribute, sublicense, and/or sell copies of the Software, and to
  * permit persons to whom the Software is furnished to do so, subject to
  * the following conditions:
  * 
  * The above copyright notice and this permission notice shall be
  * included in all copies or substantial portions of the Software.
  * 
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 
  */
 
 /* Available at: http://ab-initio.mit.edu/Faddeeva
 
    Header file for Faddeeva.c; see Faddeeva.cc for more information. */
 
 #ifndef FADDEEVA_H
 #define FADDEEVA_H 1
 
 // Require C99 complex-number support
 #include <complex.h>
 
 #ifdef __cplusplus
 extern "C"
 {
 #endif /* __cplusplus */
 
 // compute w(z) = exp(-z^2) erfc(-iz) [ Faddeeva / scaled complex error func ]
 extern double complex Faddeeva_w(double complex z,double relerr);
 extern double Faddeeva_w_im(double x); // special-case code for Im[w(x)] of real x
 
 // Various functions that we can compute with the help of w(z)
 
 // compute erfcx(z) = exp(z^2) erfc(z)
 extern double complex Faddeeva_erfcx(double complex z, double relerr);
 extern double Faddeeva_erfcx_re(double x); // special case for real x
 
 // compute erf(z), the error function of complex arguments
 extern double complex Faddeeva_erf(double complex z, double relerr);
 extern double Faddeeva_erf_re(double x); // special case for real x
 
 // compute erfi(z) = -i erf(iz), the imaginary error function
 extern double complex Faddeeva_erfi(double complex z, double relerr);
 extern double Faddeeva_erfi_re(double x); // special case for real x
 
 // compute erfc(z) = 1 - erf(z), the complementary error function
 extern double complex Faddeeva_erfc(double complex z, double relerr);
 extern double Faddeeva_erfc_re(double x); // special case for real x
 
 // compute Dawson(z) = sqrt(pi)/2  *  exp(-z^2) * erfi(z)
 extern double complex Faddeeva_Dawson(double complex z, double relerr);
 extern double Faddeeva_Dawson_re(double x); // special case for real x
 
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */
 
 #endif // FADDEEVA_H