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/*--------------- lrange ---------------*/
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static t_class *lrange_class;
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static void lrange_perform(t_lrange *x, t_float in)
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x->m_max=(in > x->m_max) ? in : x->m_max * x->m_c_leak + in * x->m_leak;
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x->m_min=(in < x->m_min) ? in : x->m_min * x->m_c_leak + in * x->m_leak;
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outlet_float(x->x_obj.ob_outlet, x->m_max-x->m_min);
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static void lrange_setHalfDecay(t_lrange *x, t_float halfDecayTime)
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x->m_c_leak=(float)powf(.5,(1.0f/halfDecayTime));
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x->m_leak=1.0f-x->m_c_leak;
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static void lrange_clear(t_lrange *x)
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x->m_max = - MAXFLOAT;
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static void *lrange_new( t_float halfDecayTime)
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t_lrange *x=(t_lrange *)pd_new(lrange_class);
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outlet_new(&x->x_obj, gensym("float"));
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lrange_setHalfDecay(x, halfDecayTime);
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void lrange_setup(void)
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lrange_class = class_new(gensym("lrange"),
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(t_newmethod)lrange_new, 0,
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class_addfloat(lrange_class, (t_method)lrange_perform);
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class_addmethod(lrange_class, (t_method)lrange_clear,
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gensym("clear"), A_GIMME, NULL);
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class_addmethod(lrange_class, (t_method)lrange_setHalfDecay,
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gensym("decay"), A_DEFFLOAT, NULL);