comparison trunk/src/Modules/Output/Graphics/Scale/ScaleLog.h @ 398:3ee03a6b95a0

- All \t to two spaces (style guide compliance)
author tomwalters
date Fri, 15 Oct 2010 05:46:53 +0000
parents 7a573750b186
children dd13c9834ceb
comparison
equal deleted inserted replaced
397:7a573750b186 398:3ee03a6b95a0
22 * 22 *
23 * It is very advisable to use Scale::Create() to an instance of this scale. 23 * It is very advisable to use Scale::Create() to an instance of this scale.
24 */ 24 */
25 class ScaleLog : public Scale { 25 class ScaleLog : public Scale {
26 public: 26 public:
27 ScaleLog(unsigned int min, unsigned int max, float density) 27 ScaleLog(unsigned int min, unsigned int max, float density)
28 : Scale(min, max, density) { m_iType = SCALE_LOG; m_sName="log"; }; 28 : Scale(min, max, density) { m_iType = SCALE_LOG; m_sName="log"; };
29 29
30 /*! The log scale has a problem, because log(0)=inf, so all values below 30 /*! The log scale has a problem, because log(0)=inf, so all values below
31 * 1e-5 are truncated to 1e-5. */ 31 * 1e-5 are truncated to 1e-5. */
32 float FromLinear(float fFreq) { 32 float FromLinear(float fFreq) {
33 if (fFreq<1e-5f) fFreq=1e-5f; 33 if (fFreq<1e-5f) fFreq=1e-5f;
34 return log(fFreq); 34 return log(fFreq);
35 }; 35 };
36 36
37 float ToLinear(float fFreq) { 37 float ToLinear(float fFreq) {
38 return exp(fFreq); 38 return exp(fFreq);
39 }; 39 };
40 }; 40 };
41 41
42 #endif /* __MODULE_SCALE_LOG_H__ */ 42 #endif /* __MODULE_SCALE_LOG_H__ */