1 files changed, 688 insertions, 0 deletions

diff --git a/apps/plugins/pdbox/PDa/src/d_fft.c b/apps/plugins/pdbox/PDa/src/d_fft.c
new file mode 100644
index 0000000000..9916fdcb88
--- /dev/null
+++ b/apps/plugins/pdbox/PDa/src/d_fft.c
@@ -0,0 +1,688 @@
+/* Copyright (c) 1997-1999 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"
+
+/* ------------------------ fft~ and ifft~ -------------------------------- */
+static t_class *sigfft_class, *sigifft_class;
+
+typedef struct fft
+{
+    t_object x_obj;
+    float x_f;
+} t_sigfft;
+
+static void *sigfft_new(void)
+{
+    t_sigfft *x = (t_sigfft *)pd_new(sigfft_class);
+    outlet_new(&x->x_obj, gensym("signal"));
+    outlet_new(&x->x_obj, gensym("signal"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
+    x->x_f = 0;
+    return (x);
+}
+
+static void *sigifft_new(void)
+{
+    t_sigfft *x = (t_sigfft *)pd_new(sigifft_class);
+    outlet_new(&x->x_obj, gensym("signal"));
+    outlet_new(&x->x_obj, gensym("signal"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *sigfft_swap(t_int *w)
+{
+    t_sample *in1 = (t_sample *)(w[1]);
+    t_sample *in2 = (t_sample *)(w[2]);
+    int n = w[3];
+    for (;n--; in1++, in2++)
+    {   
+        float f = *in1;
+        *in1 = *in2;
+        *in2 = f;
+    }
+    return (w+4);    
+}
+
+static t_int *sigfft_perform(t_int *w)
+{
+    t_sample *in1 = (t_sample *)(w[1]);
+    t_sample *in2 = (t_sample *)(w[2]);
+    int n = w[3];
+    mayer_fft(n, in1, in2);
+    return (w+4);
+}
+
+static t_int *sigifft_perform(t_int *w)
+{
+    t_sample *in1 = (t_sample *)(w[1]);
+    t_sample *in2 = (t_sample *)(w[2]);
+    int n = w[3];
+    mayer_ifft(n, in1, in2);
+    return (w+4);
+}
+
+static void sigfft_dspx(t_sigfft *x, t_signal **sp, t_int *(*f)(t_int *w))
+{
+    int n = sp[0]->s_n;
+    t_sample *in1 = sp[0]->s_vec;
+    t_sample *in2 = sp[1]->s_vec;
+    t_sample *out1 = sp[2]->s_vec;
+    t_sample *out2 = sp[3]->s_vec;
+    if (out1 == in2 && out2 == in1)
+        dsp_add(sigfft_swap, 3, out1, out2, n);
+    else if (out1 == in2)
+    {
+        dsp_add(copy_perform, 3, in2, out2, n);
+        dsp_add(copy_perform, 3, in1, out1, n);
+    }
+    else
+    {
+        if (out1 != in1) dsp_add(copy_perform, 3, in1, out1, n);
+        if (out2 != in2) dsp_add(copy_perform, 3, in2, out2, n);
+    }
+    dsp_add(f, 3, sp[2]->s_vec, sp[3]->s_vec, n);
+}
+
+static void sigfft_dsp(t_sigfft *x, t_signal **sp)
+{
+    sigfft_dspx(x, sp, sigfft_perform);
+}
+
+static void sigifft_dsp(t_sigfft *x, t_signal **sp)
+{
+    sigfft_dspx(x, sp, sigifft_perform);
+}
+
+static void sigfft_setup(void)
+{
+    sigfft_class = class_new(gensym("fft~"), sigfft_new, 0,
+        sizeof(t_sigfft), 0, 0);
+    CLASS_MAINSIGNALIN(sigfft_class, t_sigfft, x_f);
+    class_addmethod(sigfft_class, (t_method)sigfft_dsp, gensym("dsp"), 0);
+
+    sigifft_class = class_new(gensym("ifft~"), sigifft_new, 0,
+        sizeof(t_sigfft), 0, 0);
+    CLASS_MAINSIGNALIN(sigifft_class, t_sigfft, x_f);
+    class_addmethod(sigifft_class, (t_method)sigifft_dsp, gensym("dsp"), 0);
+    class_sethelpsymbol(sigifft_class, gensym("fft~"));
+}
+
+/* ----------------------- rfft~ -------------------------------- */
+
+static t_class *sigrfft_class;
+
+typedef struct rfft
+{
+    t_object x_obj;
+    float x_f;
+} t_sigrfft;
+
+static void *sigrfft_new(void)
+{
+    t_sigrfft *x = (t_sigrfft *)pd_new(sigrfft_class);
+    outlet_new(&x->x_obj, gensym("signal"));
+    outlet_new(&x->x_obj, gensym("signal"));
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *sigrfft_flip(t_int *w)
+{
+    t_sample *in = (t_sample *)(w[1]);
+    t_sample *out = (t_sample *)(w[2]);
+    int n = w[3];
+    while (n--) *(--out) = *in++;
+    *(--out) = 0;                   /* to hell with it */
+    return (w+4);
+}
+
+static t_int *sigrfft_perform(t_int *w)
+{
+    t_sample *in = (t_sample *)(w[1]);
+    int n = w[2];
+    mayer_realfft(n, in);
+    return (w+3);
+}
+
+static void sigrfft_dsp(t_sigrfft *x, t_signal **sp)
+{
+    int n = sp[0]->s_n, n2 = (n>>1);
+    t_sample *in1 = sp[0]->s_vec;
+    t_sample *out1 = sp[1]->s_vec;
+    t_sample *out2 = sp[2]->s_vec;
+    if (n < 4)
+    {
+        error("fft: minimum 4 points");
+        return;
+    }
+    if (in1 == out2)    /* this probably never happens */
+    {
+        dsp_add(sigrfft_perform, 2, out2, n);
+        dsp_add(copy_perform, 3, out2, out1, n2);
+        dsp_add(sigrfft_flip, 3, out2 + (n2+1), out2 + n2, n2-1);
+    }
+    else
+    {
+        if (in1 != out1) dsp_add(copy_perform, 3, in1, out1, n);
+        dsp_add(sigrfft_perform, 2, out1, n);
+        dsp_add(sigrfft_flip, 3, out1 + (n2+1), out2 + n2, n2-1);
+    }
+    dsp_add_zero(out1 + n2, n2);
+    dsp_add_zero(out2 + n2, n2);
+}
+
+static void sigrfft_setup(void)
+{
+    sigrfft_class = class_new(gensym("rfft~"), sigrfft_new, 0,
+        sizeof(t_sigrfft), 0, 0);
+    CLASS_MAINSIGNALIN(sigrfft_class, t_sigrfft, x_f);
+    class_addmethod(sigrfft_class, (t_method)sigrfft_dsp, gensym("dsp"), 0);
+    class_sethelpsymbol(sigrfft_class, gensym("fft~"));
+}
+
+/* ----------------------- rifft~ -------------------------------- */
+
+static t_class *sigrifft_class;
+
+typedef struct rifft
+{
+    t_object x_obj;
+    float x_f;
+} t_sigrifft;
+
+static void *sigrifft_new(void)
+{
+    t_sigrifft *x = (t_sigrifft *)pd_new(sigrifft_class);
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
+    outlet_new(&x->x_obj, gensym("signal"));
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *sigrifft_perform(t_int *w)
+{
+    t_sample *in = (t_sample *)(w[1]);
+    int n = w[2];
+    mayer_realifft(n, in);
+    return (w+3);
+}
+
+static void sigrifft_dsp(t_sigrifft *x, t_signal **sp)
+{
+    int n = sp[0]->s_n, n2 = (n>>1);
+    t_sample *in1 = sp[0]->s_vec;
+    t_sample *in2 = sp[1]->s_vec;
+    t_sample *out1 = sp[2]->s_vec;
+    if (n < 4)
+    {
+        error("fft: minimum 4 points");
+        return;
+    }
+    if (in2 == out1)
+    {
+        dsp_add(sigrfft_flip, 3, out1+1, out1 + n, (n2-1));
+        dsp_add(copy_perform, 3, in1, out1, n2);
+    }
+    else
+    {
+        if (in1 != out1) dsp_add(copy_perform, 3, in1, out1, n2);
+        dsp_add(sigrfft_flip, 3, in2+1, out1 + n, n2-1);
+    }
+    dsp_add(sigrifft_perform, 2, out1, n);
+}
+
+static void sigrifft_setup(void)
+{
+    sigrifft_class = class_new(gensym("rifft~"), sigrifft_new, 0,
+        sizeof(t_sigrifft), 0, 0);
+    CLASS_MAINSIGNALIN(sigrifft_class, t_sigrifft, x_f);
+    class_addmethod(sigrifft_class, (t_method)sigrifft_dsp, gensym("dsp"), 0);
+    class_sethelpsymbol(sigrifft_class, gensym("fft~"));
+}
+
+/* ----------------------- framp~ -------------------------------- */
+
+#if 0
+static t_class *sigframp_class;
+
+typedef struct framp
+{
+    t_object x_obj;
+    float x_f;
+} t_sigframp;
+
+static void *sigframp_new(void)
+{
+    t_sigframp *x = (t_sigframp *)pd_new(sigframp_class);
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
+    outlet_new(&x->x_obj, gensym("signal"));
+    outlet_new(&x->x_obj, gensym("signal"));
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *sigframp_perform(t_int *w)
+{
+    float *inreal = (t_float *)(w[1]);
+    float *inimag = (t_float *)(w[2]);
+    float *outfreq = (t_float *)(w[3]);
+    float *outamp = (t_float *)(w[4]);
+    float lastreal = 0, currentreal = inreal[0], nextreal = inreal[1];
+    float lastimag = 0, currentimag = inimag[0], nextimag = inimag[1];
+    int n = w[5];
+    int m = n + 1;
+    float fbin = 1, oneovern2 = 1.f/((float)n * (float)n);
+    
+    inreal += 2;
+    inimag += 2;
+    *outamp++ = *outfreq++ = 0;
+    n -= 2;
+    while (n--)
+    {
+        float re, im, pow, freq;
+        lastreal = currentreal;
+        currentreal = nextreal;
+        nextreal = *inreal++;
+        lastimag = currentimag;
+        currentimag = nextimag;
+        nextimag = *inimag++;
+        re = currentreal - 0.5f * (lastreal + nextreal);
+        im = currentimag - 0.5f * (lastimag + nextimag);
+        pow = re * re + im * im;
+        if (pow > 1e-19)
+        {
+            float detune = ((lastreal - nextreal) * re +
+                    (lastimag - nextimag) * im) / (2.0f * pow);
+            if (detune > 2 || detune < -2) freq = pow = 0;
+            else freq = fbin + detune;
+        }
+        else freq = pow = 0;
+        *outfreq++ = freq;
+        *outamp++ = oneovern2 * pow;
+        fbin += 1.0f;
+    }
+    while (m--) *outamp++ = *outfreq++ = 0;
+    return (w+6);
+}
+
+t_int *sigsqrt_perform(t_int *w);
+
+static void sigframp_dsp(t_sigframp *x, t_signal **sp)
+{
+    int n = sp[0]->s_n, n2 = (n>>1);
+    if (n < 4)
+    {
+        error("framp: minimum 4 points");
+        return;
+    }
+    dsp_add(sigframp_perform, 5, sp[0]->s_vec, sp[1]->s_vec,
+        sp[2]->s_vec, sp[3]->s_vec, n2);
+    dsp_add(sigsqrt_perform, 3, sp[3]->s_vec, sp[3]->s_vec, n2);
+}
+
+static void sigframp_setup(void)
+{
+    sigframp_class = class_new(gensym("framp~"), sigframp_new, 0,
+        sizeof(t_sigframp), 0, 0);
+    CLASS_MAINSIGNALIN(sigframp_class, t_sigframp, x_f);
+    class_addmethod(sigframp_class, (t_method)sigframp_dsp, gensym("dsp"), 0);
+}
+#endif
+
+/* ------------------------ global setup routine ------------------------- */
+
+void d_fft_setup(void)
+{
+    sigfft_setup();
+    sigrfft_setup();
+    sigrifft_setup();
+//    sigframp_setup();
+}
+/* Copyright (c) 1997-1999 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"
+
+/* ------------------------ fft~ and ifft~ -------------------------------- */
+static t_class *sigfft_class, *sigifft_class;
+
+typedef struct fft
+{
+    t_object x_obj;
+    float x_f;
+} t_sigfft;
+
+static void *sigfft_new(void)
+{
+    t_sigfft *x = (t_sigfft *)pd_new(sigfft_class);
+    outlet_new(&x->x_obj, gensym("signal"));
+    outlet_new(&x->x_obj, gensym("signal"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
+    x->x_f = 0;
+    return (x);
+}
+
+static void *sigifft_new(void)
+{
+    t_sigfft *x = (t_sigfft *)pd_new(sigifft_class);
+    outlet_new(&x->x_obj, gensym("signal"));
+    outlet_new(&x->x_obj, gensym("signal"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *sigfft_swap(t_int *w)
+{
+    t_sample *in1 = (t_sample *)(w[1]);
+    t_sample *in2 = (t_sample *)(w[2]);
+    int n = w[3];
+    for (;n--; in1++, in2++)
+    {   
+        float f = *in1;
+        *in1 = *in2;
+        *in2 = f;
+    }
+    return (w+4);    
+}
+
+static t_int *sigfft_perform(t_int *w)
+{
+    t_sample *in1 = (t_sample *)(w[1]);
+    t_sample *in2 = (t_sample *)(w[2]);
+    int n = w[3];
+    mayer_fft(n, in1, in2);
+    return (w+4);
+}
+
+static t_int *sigifft_perform(t_int *w)
+{
+    t_sample *in1 = (t_sample *)(w[1]);
+    t_sample *in2 = (t_sample *)(w[2]);
+    int n = w[3];
+    mayer_ifft(n, in1, in2);
+    return (w+4);
+}
+
+static void sigfft_dspx(t_sigfft *x, t_signal **sp, t_int *(*f)(t_int *w))
+{
+    int n = sp[0]->s_n;
+    t_sample *in1 = sp[0]->s_vec;
+    t_sample *in2 = sp[1]->s_vec;
+    t_sample *out1 = sp[2]->s_vec;
+    t_sample *out2 = sp[3]->s_vec;
+    if (out1 == in2 && out2 == in1)
+        dsp_add(sigfft_swap, 3, out1, out2, n);
+    else if (out1 == in2)
+    {
+        dsp_add(copy_perform, 3, in2, out2, n);
+        dsp_add(copy_perform, 3, in1, out1, n);
+    }
+    else
+    {
+        if (out1 != in1) dsp_add(copy_perform, 3, in1, out1, n);
+        if (out2 != in2) dsp_add(copy_perform, 3, in2, out2, n);
+    }
+    dsp_add(f, 3, sp[2]->s_vec, sp[3]->s_vec, n);
+}
+
+static void sigfft_dsp(t_sigfft *x, t_signal **sp)
+{
+    sigfft_dspx(x, sp, sigfft_perform);
+}
+
+static void sigifft_dsp(t_sigfft *x, t_signal **sp)
+{
+    sigfft_dspx(x, sp, sigifft_perform);
+}
+
+static void sigfft_setup(void)
+{
+    sigfft_class = class_new(gensym("fft~"), sigfft_new, 0,
+        sizeof(t_sigfft), 0, 0);
+    CLASS_MAINSIGNALIN(sigfft_class, t_sigfft, x_f);
+    class_addmethod(sigfft_class, (t_method)sigfft_dsp, gensym("dsp"), 0);
+
+    sigifft_class = class_new(gensym("ifft~"), sigifft_new, 0,
+        sizeof(t_sigfft), 0, 0);
+    CLASS_MAINSIGNALIN(sigifft_class, t_sigfft, x_f);
+    class_addmethod(sigifft_class, (t_method)sigifft_dsp, gensym("dsp"), 0);
+    class_sethelpsymbol(sigifft_class, gensym("fft~"));
+}
+
+/* ----------------------- rfft~ -------------------------------- */
+
+static t_class *sigrfft_class;
+
+typedef struct rfft
+{
+    t_object x_obj;
+    float x_f;
+} t_sigrfft;
+
+static void *sigrfft_new(void)
+{
+    t_sigrfft *x = (t_sigrfft *)pd_new(sigrfft_class);
+    outlet_new(&x->x_obj, gensym("signal"));
+    outlet_new(&x->x_obj, gensym("signal"));
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *sigrfft_flip(t_int *w)
+{
+    t_sample *in = (t_sample *)(w[1]);
+    t_sample *out = (t_sample *)(w[2]);
+    int n = w[3];
+    while (n--) *(--out) = *in++;
+    *(--out) = 0;                   /* to hell with it */
+    return (w+4);
+}
+
+static t_int *sigrfft_perform(t_int *w)
+{
+    t_sample *in = (t_sample *)(w[1]);
+    int n = w[2];
+    mayer_realfft(n, in);
+    return (w+3);
+}
+
+static void sigrfft_dsp(t_sigrfft *x, t_signal **sp)
+{
+    int n = sp[0]->s_n, n2 = (n>>1);
+    t_sample *in1 = sp[0]->s_vec;
+    t_sample *out1 = sp[1]->s_vec;
+    t_sample *out2 = sp[2]->s_vec;
+    if (n < 4)
+    {
+        error("fft: minimum 4 points");
+        return;
+    }
+    if (in1 == out2)    /* this probably never happens */
+    {
+        dsp_add(sigrfft_perform, 2, out2, n);
+        dsp_add(copy_perform, 3, out2, out1, n2);
+        dsp_add(sigrfft_flip, 3, out2 + (n2+1), out2 + n2, n2-1);
+    }
+    else
+    {
+        if (in1 != out1) dsp_add(copy_perform, 3, in1, out1, n);
+        dsp_add(sigrfft_perform, 2, out1, n);
+        dsp_add(sigrfft_flip, 3, out1 + (n2+1), out2 + n2, n2-1);
+    }
+    dsp_add_zero(out1 + n2, n2);
+    dsp_add_zero(out2 + n2, n2);
+}
+
+static void sigrfft_setup(void)
+{
+    sigrfft_class = class_new(gensym("rfft~"), sigrfft_new, 0,
+        sizeof(t_sigrfft), 0, 0);
+    CLASS_MAINSIGNALIN(sigrfft_class, t_sigrfft, x_f);
+    class_addmethod(sigrfft_class, (t_method)sigrfft_dsp, gensym("dsp"), 0);
+    class_sethelpsymbol(sigrfft_class, gensym("fft~"));
+}
+
+/* ----------------------- rifft~ -------------------------------- */
+
+static t_class *sigrifft_class;
+
+typedef struct rifft
+{
+    t_object x_obj;
+    float x_f;
+} t_sigrifft;
+
+static void *sigrifft_new(void)
+{
+    t_sigrifft *x = (t_sigrifft *)pd_new(sigrifft_class);
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
+    outlet_new(&x->x_obj, gensym("signal"));
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *sigrifft_perform(t_int *w)
+{
+    t_sample *in = (t_sample *)(w[1]);
+    int n = w[2];
+    mayer_realifft(n, in);
+    return (w+3);
+}
+
+static void sigrifft_dsp(t_sigrifft *x, t_signal **sp)
+{
+    int n = sp[0]->s_n, n2 = (n>>1);
+    t_sample *in1 = sp[0]->s_vec;
+    t_sample *in2 = sp[1]->s_vec;
+    t_sample *out1 = sp[2]->s_vec;
+    if (n < 4)
+    {
+        error("fft: minimum 4 points");
+        return;
+    }
+    if (in2 == out1)
+    {
+        dsp_add(sigrfft_flip, 3, out1+1, out1 + n, (n2-1));
+        dsp_add(copy_perform, 3, in1, out1, n2);
+    }
+    else
+    {
+        if (in1 != out1) dsp_add(copy_perform, 3, in1, out1, n2);
+        dsp_add(sigrfft_flip, 3, in2+1, out1 + n, n2-1);
+    }
+    dsp_add(sigrifft_perform, 2, out1, n);
+}
+
+static void sigrifft_setup(void)
+{
+    sigrifft_class = class_new(gensym("rifft~"), sigrifft_new, 0,
+        sizeof(t_sigrifft), 0, 0);
+    CLASS_MAINSIGNALIN(sigrifft_class, t_sigrifft, x_f);
+    class_addmethod(sigrifft_class, (t_method)sigrifft_dsp, gensym("dsp"), 0);
+    class_sethelpsymbol(sigrifft_class, gensym("fft~"));
+}
+
+/* ----------------------- framp~ -------------------------------- */
+
+#if 0
+static t_class *sigframp_class;
+
+typedef struct framp
+{
+    t_object x_obj;
+    float x_f;
+} t_sigframp;
+
+static void *sigframp_new(void)
+{
+    t_sigframp *x = (t_sigframp *)pd_new(sigframp_class);
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
+    outlet_new(&x->x_obj, gensym("signal"));
+    outlet_new(&x->x_obj, gensym("signal"));
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *sigframp_perform(t_int *w)
+{
+    float *inreal = (t_float *)(w[1]);
+    float *inimag = (t_float *)(w[2]);
+    float *outfreq = (t_float *)(w[3]);
+    float *outamp = (t_float *)(w[4]);
+    float lastreal = 0, currentreal = inreal[0], nextreal = inreal[1];
+    float lastimag = 0, currentimag = inimag[0], nextimag = inimag[1];
+    int n = w[5];
+    int m = n + 1;
+    float fbin = 1, oneovern2 = 1.f/((float)n * (float)n);
+    
+    inreal += 2;
+    inimag += 2;
+    *outamp++ = *outfreq++ = 0;
+    n -= 2;
+    while (n--)
+    {
+        float re, im, pow, freq;
+        lastreal = currentreal;
+        currentreal = nextreal;
+        nextreal = *inreal++;
+        lastimag = currentimag;
+        currentimag = nextimag;
+        nextimag = *inimag++;
+        re = currentreal - 0.5f * (lastreal + nextreal);
+        im = currentimag - 0.5f * (lastimag + nextimag);
+        pow = re * re + im * im;
+        if (pow > 1e-19)
+        {
+            float detune = ((lastreal - nextreal) * re +
+                    (lastimag - nextimag) * im) / (2.0f * pow);
+            if (detune > 2 || detune < -2) freq = pow = 0;
+            else freq = fbin + detune;
+        }
+        else freq = pow = 0;
+        *outfreq++ = freq;
+        *outamp++ = oneovern2 * pow;
+        fbin += 1.0f;
+    }
+    while (m--) *outamp++ = *outfreq++ = 0;
+    return (w+6);
+}
+
+t_int *sigsqrt_perform(t_int *w);
+
+static void sigframp_dsp(t_sigframp *x, t_signal **sp)
+{
+    int n = sp[0]->s_n, n2 = (n>>1);
+    if (n < 4)
+    {
+        error("framp: minimum 4 points");
+        return;
+    }
+    dsp_add(sigframp_perform, 5, sp[0]->s_vec, sp[1]->s_vec,
+        sp[2]->s_vec, sp[3]->s_vec, n2);
+    dsp_add(sigsqrt_perform, 3, sp[3]->s_vec, sp[3]->s_vec, n2);
+}
+
+static void sigframp_setup(void)
+{
+    sigframp_class = class_new(gensym("framp~"), sigframp_new, 0,
+        sizeof(t_sigframp), 0, 0);
+    CLASS_MAINSIGNALIN(sigframp_class, t_sigframp, x_f);
+    class_addmethod(sigframp_class, (t_method)sigframp_dsp, gensym("dsp"), 0);
+}
+#endif
+
+/* ------------------------ global setup routine ------------------------- */
+
+void d_fft_setup(void)
+{
+    sigfft_setup();
+    sigrfft_setup();
+    sigrifft_setup();
+//    sigframp_setup();
+}