diff options
Diffstat (limited to 'source/linspace.c')
| -rw-r--r-- | source/linspace.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/source/linspace.c b/source/linspace.c new file mode 100644 index 0000000..c3af9c2 --- /dev/null +++ b/source/linspace.c @@ -0,0 +1,74 @@ +#include "defines.h"
+
+/*--------------- linspace ----------------*/
+/* clips a vector */
+
+
+static t_class *linspace_class;
+
+typedef struct _linspace
+{
+ t_object x_obj;
+ float m_lo;
+ float m_hi;
+ float m_n;
+} t_linspace;
+
+
+static void linspace_bang(t_linspace *x)
+{
+ int n;
+ n=(int)x->m_n;
+ if ((n<256)&&(n>1))
+ {
+ int i;
+ float lo,step;
+ t_atom *ap,*app;
+
+ ap = (t_atom *)getbytes(sizeof(t_atom)*n);
+ app=ap;
+ lo=x->m_lo;
+ step=(x->m_hi-lo)/(n-1);
+ for (i = 0; i < n; i++)
+ {
+
+ SETFLOAT(app, lo);
+ app++;
+ lo+=step;
+ }
+ outlet_list(x->x_obj.ob_outlet,gensym("list"),n,ap);
+ freebytes(ap,n);
+ }
+}
+
+static void linspace_float(t_linspace *x, t_float lo)
+{
+ x->m_lo=lo;
+ linspace_bang(x);
+}
+
+static void *linspace_new(t_float lo, t_float hi, t_float n)
+{
+ t_linspace *x=(t_linspace *)pd_new(linspace_class);
+
+ floatinlet_new(&x->x_obj, &x->m_hi);
+ floatinlet_new(&x->x_obj, &x->m_n);
+
+ outlet_new(&x->x_obj, gensym("list"));
+ x->m_lo=lo;
+ x->m_hi=hi;
+ x->m_n=n;
+ return (void *)x;
+}
+
+void linspace_setup(void)
+{
+ linspace_class = class_new(gensym("linspace"),
+ (t_newmethod)linspace_new, 0,
+ sizeof(t_linspace),
+ CLASS_DEFAULT,
+ A_DEFFLOAT,A_DEFFLOAT,A_DEFFLOAT,0);
+ class_addfloat(linspace_class, (t_method)linspace_float);
+ class_addbang(linspace_class, (t_method)linspace_bang);
+}
+
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