split out d_math.c into standalone objects

svn path=/trunk/; revision=12736

1 files changed, 57 insertions, 0 deletions

diff --git a/externals/vanilla/clip~.c b/externals/vanilla/clip~.c
new file mode 100644
index 00000000..e53ad31a
--- /dev/null
+++ b/externals/vanilla/clip~.c
@@ -0,0 +1,57 @@
+/* Copyright (c) 1997-2001 Miller Puckette and others.
+* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+#include "m_pd.h"
+#include <math.h>
+
+static t_class *clip_class;
+
+typedef struct _clip
+{
+    t_object x_obj;
+    t_float x_f;
+    t_float x_lo;
+    t_float x_hi;
+} t_clip;
+
+static void *clip_new(t_floatarg lo, t_floatarg hi)
+{
+    t_clip *x = (t_clip *)pd_new(clip_class);
+    x->x_lo = lo;
+    x->x_hi = hi;
+    outlet_new(&x->x_obj, gensym("signal"));
+    floatinlet_new(&x->x_obj, &x->x_lo);
+    floatinlet_new(&x->x_obj, &x->x_hi);
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *clip_perform(t_int *w)
+{
+    t_clip *x = (t_clip *)(w[1]);
+    t_sample *in = (t_sample *)(w[2]);
+    t_sample *out = (t_sample *)(w[3]);
+    int n = (int)(w[4]);
+    while (n--)
+    {
+        t_sample f = *in++;
+        if (f < x->x_lo) f = x->x_lo;
+        if (f > x->x_hi) f = x->x_hi;
+        *out++ = f;
+    }
+    return (w+5);
+}
+
+static void clip_dsp(t_clip *x, t_signal **sp)
+{
+    dsp_add(clip_perform, 4, x, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
+}
+
+static void clip_tilde_setup(void)
+{
+    clip_class = class_new(gensym("clip~"), (t_newmethod)clip_new, 0,
+        sizeof(t_clip), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
+    CLASS_MAINSIGNALIN(clip_class, t_clip, x_f);
+    class_addmethod(clip_class, (t_method)clip_dsp, gensym("dsp"), 0);
+}