### Dawson's Integral

Dawson's integral is defined as*Daw(x)*=

*exp(-x*

^{2}) ∫_{0}^{x}exp(t^{2}) dt.#### Function List

- double Dawsons_Integral( double x )

This function returns Dawson's integral evaluated at*x*,*Daw(x)*where*Daw(x)*is defined above.

- long double xDawsons_Integral( long double x )

This function returns Dawson's integral evaluated at*x*,*Daw(x)*where*Daw(x)*is defined above.

#### Source Code

*C*source code is available for these routines:

- The file, dawsons_integral.c, contains
*Dawsons_Integral( )*and

*xDawsons_Integral( )*.

**Dependencies:**In addition to the file dawsons_integral.c, the functions*Dawsons_Integral( )*and*xDawsons_Integral( )*require the following file: