formatting

fdch · Oct 20, 2024 · d2eb185 · d2eb185
1 parent de3c1da
commit d2eb185
Showing 1 changed file with 40 additions and 43 deletions.
diff --git a/src/lor~.c b/src/lor~.c
@@ -37,10 +37,9 @@ typedef struct _lor
 } t_lor;
 
 
-
 static t_int *lor_perform(t_int *w)
 {
-  t_lor *x = (t_lor *)(w[1]);  
+  t_lor *x = (t_lor *)(w[1]);
   t_sample *in1 = (t_sample *)(w[2]);
   t_sample *in2 = (t_sample *)(w[3]);
   t_sample *in3 = (t_sample *)(w[4]);
@@ -49,60 +48,59 @@ static t_int *lor_perform(t_int *w)
   t_sample *out2 = (t_sample *)(w[7]);
   t_sample *out3 = (t_sample *)(w[8]);
   int n = (int)(w[9]);
-  
+
   float x0, y0, z0, x1, y1, z1;
   float h, a, b, c;
 
   while (n--)
   {
-    h= *in1++;
-  a= *in2++;
-  b=*in3++;
-  c=*in4++;
-
-  x0 = x->x;
-     y0 = x->y;
-     z0 = x->z;
-
-     x1 = x0 + h * a * (y0 - x0);
-     y1 = y0 + h * (x0 * (b - z0) - y0);
-     z1 = z0 + h * (x0 * y0 - c * z0);   
-
-  /*
-  distance = sqrt((x1 * x1) + (y1 * y1)  + (z1 * z1));
-   */
-
+    h = *in1++;
+    a = *in2++;
+    b = *in3++;
+    c = *in4++;
+
+    // get initial conditions
+    x0 = x->x;
+    y0 = x->y;
+    z0 = x->z;
+
+    // euler's method for differentiation
+    x1 = x0 + h * a * (y0 - x0);
+    y1 = y0 + h * (x0 * (b - z0) - y0);
+    z1 = z0 + h * (x0 * y0 - c * z0);
+
+    // feed the out buffer and the position with the new position
     *out1++ = x->x = x1;
-  *out2++ = x->y = y1;
+    *out2++ = x->y = y1;
     *out3++ = x->z = z1;
-
   }
   return (w+10);
 }
 
 
 void lor_tilde_free(t_lor *x)
 {
-inlet_free(x->in2);
-inlet_free(x->in3);
-inlet_free(x->in4);
- outlet_free(x->out1);
- outlet_free(x->out2);
- outlet_free(x->out3);
+  inlet_free(x->in2);
+  inlet_free(x->in3);
+  inlet_free(x->in4);
+  outlet_free(x->out1);
+  outlet_free(x->out2);
+  outlet_free(x->out3);
 }
 
 
 static void lor_dsp(t_lor *x, t_signal **sp)
 {
-  dsp_add(lor_perform, 9,  x, 
-  sp[0]->s_vec, 
-  sp[1]->s_vec,
-  sp[2]->s_vec,
-  sp[3]->s_vec,
-  sp[4]->s_vec,
-  sp[5]->s_vec,
-  sp[6]->s_vec,
-  sp[0]->s_n);
+  dsp_add(lor_perform, 9,  x,
+    sp[0]->s_vec,
+    sp[1]->s_vec,
+    sp[2]->s_vec,
+    sp[3]->s_vec,
+    sp[4]->s_vec,
+    sp[5]->s_vec,
+    sp[6]->s_vec,
+    sp[0]->s_n
+  );
 }
 
 
@@ -113,7 +111,7 @@ void lor_initx(t_lor *x,  int argcount, t_atom *argvec)
   {
     if (argvec[i].a_type == A_FLOAT)
     {
-    x->x = argvec[i].a_w.w_float;
+      x->x = argvec[i].a_w.w_float;
     }
   }
 }
@@ -124,7 +122,7 @@ void lor_inity(t_lor *x,  int argcount, t_atom *argvec)
   {
     if (argvec[i].a_type == A_FLOAT)
     {
-    x->y = argvec[i].a_w.w_float;
+      x->y = argvec[i].a_w.w_float;
     }
   }
 }
@@ -135,7 +133,7 @@ void lor_initz(t_lor *x,  int argcount, t_atom *argvec)
   {
     if (argvec[i].a_type == A_FLOAT)
     {
-    x->z = argvec[i].a_w.w_float;
+      x->z = argvec[i].a_w.w_float;
     }
   }
 }
@@ -163,13 +161,12 @@ static void *lor_new(void)
 void lor_tilde_setup(void)
 {
   lor_class = class_new(gensym("lor~"),
-  (t_newmethod)lor_new, 0,
-    sizeof(t_lor), 0, A_DEFFLOAT, 0);
+  (t_newmethod)lor_new, 0, sizeof(t_lor), 0, A_DEFFLOAT, 0);
 
   CLASS_MAINSIGNALIN(lor_class, t_lor, x_f);
 
   class_addmethod(lor_class, (t_method)lor_dsp, gensym("dsp"), 0);
   class_addmethod(lor_class, (t_method)lor_initx, gensym("initx"), A_GIMME, 0);
   class_addmethod(lor_class, (t_method)lor_inity, gensym("inity"), A_GIMME, 0);
   class_addmethod(lor_class, (t_method)lor_initz, gensym("initz"), A_GIMME, 0);
-}
+}