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authorHans-Christoph Steiner <eighthave@users.sourceforge.net>2010-02-10 00:34:05 +0000
committerHans-Christoph Steiner <eighthave@users.sourceforge.net>2010-02-10 00:34:05 +0000
commit086e6b358ad45bda0e6a948cfb7ea2d33ab7da5a (patch)
treeb87b0adfbfd8f9b9439d8bf528b63b64f23dce03 /vftom.c
parent98e3e1214cf71a62b2de938c9c7e07f6bdd0090c (diff)
re-arranged into libdir and setup with the template Makefile+debian stuff. renabled vv+ and vv- as vvplus and vvminus
svn path=/trunk/externals/smlib/; revision=13158
Diffstat (limited to 'vftom.c')
-rw-r--r--vftom.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/vftom.c b/vftom.c
new file mode 100644
index 0000000..6355006
--- /dev/null
+++ b/vftom.c
@@ -0,0 +1,49 @@
+#include "defines.h"
+
+/*--------------- vftom ----------------*/
+
+static t_class *vftom_class;
+
+typedef struct _vftom
+{
+ t_object x_obj;
+} t_vftom;
+
+float ftom(float f)
+{
+ return (float)(f > 0 ? 17.3123405046 * log(.12231220585 * f) : -1500);
+}
+
+static void vftom_perform(t_vftom *x, t_symbol *s, int argc, t_atom *argv)
+{
+ int i;
+ t_atom *ap,*app;
+ ap = (t_atom *)getbytes(sizeof(t_atom)*argc);
+ app=ap;
+
+ for (i = 0; i < argc; i++)
+ {
+ SETFLOAT(app, ftom(atom_getfloat(argv++)));
+ app++;
+ }
+ outlet_list(x->x_obj.ob_outlet,gensym("list"),argc,ap);
+ freebytes(ap,argc);
+}
+
+static void *vftom_new()
+{
+ t_vftom *x=(t_vftom *)pd_new(vftom_class);
+ outlet_new(&x->x_obj, gensym("list"));
+ return (void *)x;
+}
+
+void vftom_setup(void)
+{
+ vftom_class = class_new(gensym("vftom"),
+ (t_newmethod)vftom_new, 0,
+ sizeof(t_vftom),
+ CLASS_DEFAULT,
+ 0);
+ class_addlist(vftom_class, (t_method)vftom_perform);
+}
+