OMToolkit 1.0 The polygonal mesh processing tool.

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OMGaussFunc.h
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1 //==============================================================================
14 #ifndef _OM_GAUSS_FUNC_H_
15 #define _OM_GAUSS_FUNC_H_
16
17 #include <stdlib.h>
18
19 namespace OMToolkit
20 {
24 template <typename Scalar>
25 class OMGaussFunction
26 {
27 public:
33 OMGaussFunction(Scalar mu, Scalar sigma)
34 {
35 m_mu = mu;
36 m_front = 1/(sigma * sqrt(2 * M_PI));
37 m_denomExp = 2 * sigma * sigma;
38 }
39
45 Scalar getValNorm(Scalar x)
46 {
47 Scalar aux = (x - m_mu);
48 aux *= aux;
49 return m_front * exp( (-aux) / m_denomExp);
50 }
51
57 Scalar getVal(Scalar x)
58 {
59 Scalar aux = (x - m_mu);
60 aux *= aux;
61 return exp( (-aux) / m_denomExp);
62 }
63
64 private:
65
69 Scalar m_mu;
70
71 /*
72 * Helper variable in gauss function computation
73 */
74 Scalar m_front;
75
76 /*
77 * Helper variable in gauss function computation
78 */
79 Scalar m_denomExp;
80 }; // class
81 }
82
83 #endif