source: sasview/src/sas/models/include/gaussian.h @ d2143ab

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Last change on this file since d2143ab was 79492222, checked in by krzywon, 10 years ago

Changed the file and folder names to remove all SANS references.

  • Property mode set to 100644
File size: 875 bytes
Line 
1#if !defined(gaussian_h)
2#define gaussian_h
3#include "parameters.hh"
4
5/** Structure definition for Gaussian parameters.
6 * The Gaussian is normalized to the 'scale' parameter.
7 *
8 * f(x)=scale * 1/(sigma^2*2pi)e^(-(x-mu)^2/2sigma^2)
9 *
10 * [PYTHONCLASS] = Gaussian
11 * [DESCRIPTION] = <text>f(x)=scale * 1/(sigma^2*2pi)e^(-(x-mu)^2/2sigma^2)</text>
12 */
13
14class Gaussian{
15public:
16  /// Scale factor
17  //  [DEFAULT]=scale=1.0
18  Parameter scale;
19  /// Standard deviation
20  //  [DEFAULT]=sigma=1
21  Parameter sigma;
22  /// Center of the Gaussian distribution
23  //  [DEFAULT]=center=0.0
24  Parameter center;
25
26  // Constructor
27  Gaussian();
28
29  // Operators to get I(Q)
30  double operator()(double q);
31  double operator()(double qx, double qy);
32  double calculate_ER();
33  double calculate_VR();
34  double evaluate_rphi(double q, double phi);
35};
36
37#endif
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