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Viewing changes to lstd.c

  • Committer: Package Import Robot
  • Author(s): Hans-Christoph Steiner
  • Date: 2012-09-25 12:20:08 UTC
  • mfrom: (1.1.1)
  • Revision ID: package-import@ubuntu.com-20120925122008-jhr5hyl3juh91eyv
Tags: 0.12.2-1
* updated to upstream version v0.12.2
* removed patches since they are in new upstream release
* bumped standards version to 3.9.3

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Lines of Context:
lstd.c
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typedef struct _lstd
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{
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    t_object x_obj;
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        float m_avg;
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        float m_sum_squares;
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        float m_std;
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        float m_c_leak;
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        float m_leak;
 
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        t_float m_avg;
 
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        t_float m_sum_squares;
 
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        t_float m_std;
 
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        t_float m_c_leak;
 
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        t_float m_leak;
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} t_lstd;
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static void lstd_perform(t_lstd *x, t_float in)
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{
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        float tmp=x->m_avg-in;
 
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        t_float tmp=x->m_avg-in;
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        x->m_avg= x->m_avg * x->m_c_leak + in * x->m_leak;
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        x->m_sum_squares=x->m_sum_squares * x->m_c_leak + x->m_leak*tmp*tmp;
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        x->m_std=(float)sqrtf(x->m_sum_squares);
 
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        x->m_std=(t_float)sqrtf(x->m_sum_squares);
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    outlet_float(x->x_obj.ob_outlet, x->m_std);
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}
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static void lstd_setHalfDecay(t_lstd *x, t_float halfDecayTime)
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{
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        x->m_c_leak=(float)powf(.5,(1.0f/halfDecayTime));
 
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        x->m_c_leak=(t_float)powf(.5,(1.0f/halfDecayTime));
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        x->m_leak=1.0f-x->m_c_leak;
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}
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