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authorPeter D'Hoye <peter.dhoye@gmail.com>2009-05-24 21:28:16 +0000
committerPeter D'Hoye <peter.dhoye@gmail.com>2009-05-24 21:28:16 +0000
commit526b5580dabbfed7cfe5439dc3a90ec727f563c2 (patch)
tree22b1af92348785daad16714ee5e2b633017e0e48 /apps/plugins/pdbox/PDa/src/d_math.c
parent4f2dfcc01b260d946044ef2b6af5fe36cb772c8d (diff)
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Cut the files in half and it might work better (note to self: check your tree is really clean before patching)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21070 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins/pdbox/PDa/src/d_math.c')
-rw-r--r--apps/plugins/pdbox/PDa/src/d_math.c573
1 files changed, 0 insertions, 573 deletions
diff --git a/apps/plugins/pdbox/PDa/src/d_math.c b/apps/plugins/pdbox/PDa/src/d_math.c
index ee8a966..d64e2e3 100644
--- a/apps/plugins/pdbox/PDa/src/d_math.c
+++ b/apps/plugins/pdbox/PDa/src/d_math.c
@@ -571,576 +571,3 @@ void d_math_setup(void)
class_sethelpsymbol(powtodb_tilde_class, s);
}
-/* 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. */
-
-/* mathematical functions and other transfer functions, including tilde
- versions of stuff from x_acoustics.c.
-*/
-
-#include "m_pd.h"
-#include <math.h>
-#define LOGTEN 2.302585092994
-
-/* ------------------------- clip~ -------------------------- */
-static t_class *clip_class;
-
-typedef struct _clip
-{
- t_object x_obj;
- float x_f;
- t_sample x_lo;
- t_sample 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_float *in = (t_float *)(w[2]);
- t_float *out = (t_float *)(w[3]);
- int n = (int)(w[4]);
- while (n--)
- {
- float 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_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);
-}
-
-/* sigrsqrt - reciprocal square root good to 8 mantissa bits */
-
-#define DUMTAB1SIZE 256
-#define DUMTAB2SIZE 1024
-
-static float rsqrt_exptab[DUMTAB1SIZE], rsqrt_mantissatab[DUMTAB2SIZE];
-
-static void init_rsqrt(void)
-{
- int i;
- for (i = 0; i < DUMTAB1SIZE; i++)
- {
- float f;
- long l = (i ? (i == DUMTAB1SIZE-1 ? DUMTAB1SIZE-2 : i) : 1)<< 23;
- *(long *)(&f) = l;
- rsqrt_exptab[i] = 1./sqrt(f);
- }
- for (i = 0; i < DUMTAB2SIZE; i++)
- {
- float f = 1 + (1./DUMTAB2SIZE) * i;
- rsqrt_mantissatab[i] = 1./sqrt(f);
- }
-}
-
- /* these are used in externs like "bonk" */
-
-float q8_rsqrt(float f)
-{
- long l = *(long *)(&f);
- if (f < 0) return (0);
- else return (rsqrt_exptab[(l >> 23) & 0xff] *
- rsqrt_mantissatab[(l >> 13) & 0x3ff]);
-}
-
-float q8_sqrt(float f)
-{
- long l = *(long *)(&f);
- if (f < 0) return (0);
- else return (f * rsqrt_exptab[(l >> 23) & 0xff] *
- rsqrt_mantissatab[(l >> 13) & 0x3ff]);
-}
-
- /* the old names are OK unless we're in IRIX N32 */
-
-#ifndef N32
-float qsqrt(float f) {return (q8_sqrt(f)); }
-float qrsqrt(float f) {return (q8_rsqrt(f)); }
-#endif
-
-
-
-typedef struct sigrsqrt
-{
- t_object x_obj;
- float x_f;
-} t_sigrsqrt;
-
-static t_class *sigrsqrt_class;
-
-static void *sigrsqrt_new(void)
-{
- t_sigrsqrt *x = (t_sigrsqrt *)pd_new(sigrsqrt_class);
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_f = 0;
- return (x);
-}
-
-static t_int *sigrsqrt_perform(t_int *w)
-{
- float *in = *(t_float **)(w+1), *out = *(t_float **)(w+2);
- t_int n = *(t_int *)(w+3);
- while (n--)
- {
- float f = *in;
- long l = *(long *)(in++);
- if (f < 0) *out++ = 0;
- else
- {
- float g = rsqrt_exptab[(l >> 23) & 0xff] *
- rsqrt_mantissatab[(l >> 13) & 0x3ff];
- *out++ = 1.5 * g - 0.5 * g * g * g * f;
- }
- }
- return (w + 4);
-}
-
-static void sigrsqrt_dsp(t_sigrsqrt *x, t_signal **sp)
-{
- dsp_add(sigrsqrt_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-void sigrsqrt_setup(void)
-{
- init_rsqrt();
- sigrsqrt_class = class_new(gensym("rsqrt~"), (t_newmethod)sigrsqrt_new, 0,
- sizeof(t_sigrsqrt), 0, 0);
- /* an old name for it: */
- class_addcreator(sigrsqrt_new, gensym("q8_rsqrt~"), 0);
- CLASS_MAINSIGNALIN(sigrsqrt_class, t_sigrsqrt, x_f);
- class_addmethod(sigrsqrt_class, (t_method)sigrsqrt_dsp, gensym("dsp"), 0);
-}
-
-
-/* sigsqrt - square root good to 8 mantissa bits */
-
-typedef struct sigsqrt
-{
- t_object x_obj;
- float x_f;
-} t_sigsqrt;
-
-static t_class *sigsqrt_class;
-
-static void *sigsqrt_new(void)
-{
- t_sigsqrt *x = (t_sigsqrt *)pd_new(sigsqrt_class);
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_f = 0;
- return (x);
-}
-
-t_int *sigsqrt_perform(t_int *w) /* not static; also used in d_fft.c */
-{
- float *in = *(t_float **)(w+1), *out = *(t_float **)(w+2);
- t_int n = *(t_int *)(w+3);
- while (n--)
- {
- float f = *in;
- long l = *(long *)(in++);
- if (f < 0) *out++ = 0;
- else
- {
- float g = rsqrt_exptab[(l >> 23) & 0xff] *
- rsqrt_mantissatab[(l >> 13) & 0x3ff];
- *out++ = f * (1.5 * g - 0.5 * g * g * g * f);
- }
- }
- return (w + 4);
-}
-
-static void sigsqrt_dsp(t_sigsqrt *x, t_signal **sp)
-{
- dsp_add(sigsqrt_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-void sigsqrt_setup(void)
-{
- sigsqrt_class = class_new(gensym("sqrt~"), (t_newmethod)sigsqrt_new, 0,
- sizeof(t_sigsqrt), 0, 0);
- class_addcreator(sigsqrt_new, gensym("q8_sqrt~"), 0); /* old name */
- CLASS_MAINSIGNALIN(sigsqrt_class, t_sigsqrt, x_f);
- class_addmethod(sigsqrt_class, (t_method)sigsqrt_dsp, gensym("dsp"), 0);
-}
-
-/* ------------------------------ wrap~ -------------------------- */
-
-typedef struct wrap
-{
- t_object x_obj;
- float x_f;
-} t_sigwrap;
-
-t_class *sigwrap_class;
-
-static void *sigwrap_new(void)
-{
- t_sigwrap *x = (t_sigwrap *)pd_new(sigwrap_class);
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_f = 0;
- return (x);
-}
-
-static t_int *sigwrap_perform(t_int *w)
-{
- float *in = *(t_float **)(w+1), *out = *(t_float **)(w+2);
- t_int n = *(t_int *)(w+3);
- while (n--)
- {
- float f = *in++;
- int k = f;
- if (f > 0) *out++ = f-k;
- else *out++ = f - (k-1);
- }
- return (w + 4);
-}
-
-static void sigwrap_dsp(t_sigwrap *x, t_signal **sp)
-{
- dsp_add(sigwrap_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-void sigwrap_setup(void)
-{
- sigwrap_class = class_new(gensym("wrap~"), (t_newmethod)sigwrap_new, 0,
- sizeof(t_sigwrap), 0, 0);
- CLASS_MAINSIGNALIN(sigwrap_class, t_sigwrap, x_f);
- class_addmethod(sigwrap_class, (t_method)sigwrap_dsp, gensym("dsp"), 0);
-}
-
-/* ------------------------------ mtof_tilde~ -------------------------- */
-
-typedef struct mtof_tilde
-{
- t_object x_obj;
- float x_f;
-} t_mtof_tilde;
-
-t_class *mtof_tilde_class;
-
-static void *mtof_tilde_new(void)
-{
- t_mtof_tilde *x = (t_mtof_tilde *)pd_new(mtof_tilde_class);
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_f = 0;
- return (x);
-}
-
-static t_int *mtof_tilde_perform(t_int *w)
-{
- float *in = *(t_float **)(w+1), *out = *(t_float **)(w+2);
- t_int n = *(t_int *)(w+3);
- for (; n--; in++, out++)
- {
- float f = *in;
- if (f <= -1500) *out = 0;
- else
- {
- if (f > 1499) f = 1499;
- *out = 8.17579891564 * exp(.0577622650 * f);
- }
- }
- return (w + 4);
-}
-
-static void mtof_tilde_dsp(t_mtof_tilde *x, t_signal **sp)
-{
- dsp_add(mtof_tilde_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-void mtof_tilde_setup(void)
-{
- mtof_tilde_class = class_new(gensym("mtof~"), (t_newmethod)mtof_tilde_new, 0,
- sizeof(t_mtof_tilde), 0, 0);
- CLASS_MAINSIGNALIN(mtof_tilde_class, t_mtof_tilde, x_f);
- class_addmethod(mtof_tilde_class, (t_method)mtof_tilde_dsp, gensym("dsp"), 0);
-}
-
-/* ------------------------------ ftom_tilde~ -------------------------- */
-
-typedef struct ftom_tilde
-{
- t_object x_obj;
- float x_f;
-} t_ftom_tilde;
-
-t_class *ftom_tilde_class;
-
-static void *ftom_tilde_new(void)
-{
- t_ftom_tilde *x = (t_ftom_tilde *)pd_new(ftom_tilde_class);
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_f = 0;
- return (x);
-}
-
-static t_int *ftom_tilde_perform(t_int *w)
-{
- float *in = *(t_float **)(w+1), *out = *(t_float **)(w+2);
- t_int n = *(t_int *)(w+3);
- for (; n--; *in++, out++)
- {
- float f = *in;
- *out = (f > 0 ? 17.3123405046 * log(.12231220585 * f) : -1500);
- }
- return (w + 4);
-}
-
-static void ftom_tilde_dsp(t_ftom_tilde *x, t_signal **sp)
-{
- dsp_add(ftom_tilde_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-void ftom_tilde_setup(void)
-{
- ftom_tilde_class = class_new(gensym("ftom~"), (t_newmethod)ftom_tilde_new, 0,
- sizeof(t_ftom_tilde), 0, 0);
- CLASS_MAINSIGNALIN(ftom_tilde_class, t_ftom_tilde, x_f);
- class_addmethod(ftom_tilde_class, (t_method)ftom_tilde_dsp, gensym("dsp"), 0);
-}
-
-/* ------------------------------ dbtorms~ -------------------------- */
-
-typedef struct dbtorms_tilde
-{
- t_object x_obj;
- float x_f;
-} t_dbtorms_tilde;
-
-t_class *dbtorms_tilde_class;
-
-static void *dbtorms_tilde_new(void)
-{
- t_dbtorms_tilde *x = (t_dbtorms_tilde *)pd_new(dbtorms_tilde_class);
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_f = 0;
- return (x);
-}
-
-static t_int *dbtorms_tilde_perform(t_int *w)
-{
- float *in = *(t_float **)(w+1), *out = *(t_float **)(w+2);
- t_int n = *(t_int *)(w+3);
- for (; n--; in++, out++)
- {
- float f = *in;
- if (f <= 0) *out = 0;
- else
- {
- if (f > 485)
- f = 485;
- *out = exp((LOGTEN * 0.05) * (f-100.));
- }
- }
- return (w + 4);
-}
-
-static void dbtorms_tilde_dsp(t_dbtorms_tilde *x, t_signal **sp)
-{
- dsp_add(dbtorms_tilde_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-void dbtorms_tilde_setup(void)
-{
- dbtorms_tilde_class = class_new(gensym("dbtorms~"), (t_newmethod)dbtorms_tilde_new, 0,
- sizeof(t_dbtorms_tilde), 0, 0);
- CLASS_MAINSIGNALIN(dbtorms_tilde_class, t_dbtorms_tilde, x_f);
- class_addmethod(dbtorms_tilde_class, (t_method)dbtorms_tilde_dsp, gensym("dsp"), 0);
-}
-
-/* ------------------------------ rmstodb~ -------------------------- */
-
-typedef struct rmstodb_tilde
-{
- t_object x_obj;
- float x_f;
-} t_rmstodb_tilde;
-
-t_class *rmstodb_tilde_class;
-
-static void *rmstodb_tilde_new(void)
-{
- t_rmstodb_tilde *x = (t_rmstodb_tilde *)pd_new(rmstodb_tilde_class);
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_f = 0;
- return (x);
-}
-
-static t_int *rmstodb_tilde_perform(t_int *w)
-{
- float *in = *(t_float **)(w+1), *out = *(t_float **)(w+2);
- t_int n = *(t_int *)(w+3);
- for (; n--; in++, out++)
- {
- float f = *in;
- if (f <= 0) *out = 0;
- else
- {
- float g = 100 + 20./LOGTEN * log(f);
- *out = (g < 0 ? 0 : g);
- }
- }
- return (w + 4);
-}
-
-static void rmstodb_tilde_dsp(t_rmstodb_tilde *x, t_signal **sp)
-{
- dsp_add(rmstodb_tilde_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-void rmstodb_tilde_setup(void)
-{
- rmstodb_tilde_class = class_new(gensym("rmstodb~"), (t_newmethod)rmstodb_tilde_new, 0,
- sizeof(t_rmstodb_tilde), 0, 0);
- CLASS_MAINSIGNALIN(rmstodb_tilde_class, t_rmstodb_tilde, x_f);
- class_addmethod(rmstodb_tilde_class, (t_method)rmstodb_tilde_dsp, gensym("dsp"), 0);
-}
-
-/* ------------------------------ dbtopow~ -------------------------- */
-
-typedef struct dbtopow_tilde
-{
- t_object x_obj;
- float x_f;
-} t_dbtopow_tilde;
-
-t_class *dbtopow_tilde_class;
-
-static void *dbtopow_tilde_new(void)
-{
- t_dbtopow_tilde *x = (t_dbtopow_tilde *)pd_new(dbtopow_tilde_class);
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_f = 0;
- return (x);
-}
-
-static t_int *dbtopow_tilde_perform(t_int *w)
-{
- float *in = *(t_float **)(w+1), *out = *(t_float **)(w+2);
- t_int n = *(t_int *)(w+3);
- for (; n--; in++, out++)
- {
- float f = *in;
- if (f <= 0) *out = 0;
- else
- {
- if (f > 870)
- f = 870;
- *out = exp((LOGTEN * 0.1) * (f-100.));
- }
- }
- return (w + 4);
-}
-
-static void dbtopow_tilde_dsp(t_dbtopow_tilde *x, t_signal **sp)
-{
- dsp_add(dbtopow_tilde_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-void dbtopow_tilde_setup(void)
-{
- dbtopow_tilde_class = class_new(gensym("dbtopow~"), (t_newmethod)dbtopow_tilde_new, 0,
- sizeof(t_dbtopow_tilde), 0, 0);
- CLASS_MAINSIGNALIN(dbtopow_tilde_class, t_dbtopow_tilde, x_f);
- class_addmethod(dbtopow_tilde_class, (t_method)dbtopow_tilde_dsp, gensym("dsp"), 0);
-}
-
-/* ------------------------------ powtodb~ -------------------------- */
-
-typedef struct powtodb_tilde
-{
- t_object x_obj;
- float x_f;
-} t_powtodb_tilde;
-
-t_class *powtodb_tilde_class;
-
-static void *powtodb_tilde_new(void)
-{
- t_powtodb_tilde *x = (t_powtodb_tilde *)pd_new(powtodb_tilde_class);
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_f = 0;
- return (x);
-}
-
-static t_int *powtodb_tilde_perform(t_int *w)
-{
- float *in = *(t_float **)(w+1), *out = *(t_float **)(w+2);
- t_int n = *(t_int *)(w+3);
- for (; n--; in++, out++)
- {
- float f = *in;
- if (f <= 0) *out = 0;
- else
- {
- float g = 100 + 10./LOGTEN * log(f);
- *out = (g < 0 ? 0 : g);
- }
- }
- return (w + 4);
-}
-
-static void powtodb_tilde_dsp(t_powtodb_tilde *x, t_signal **sp)
-{
- dsp_add(powtodb_tilde_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-void powtodb_tilde_setup(void)
-{
- powtodb_tilde_class = class_new(gensym("powtodb~"), (t_newmethod)powtodb_tilde_new, 0,
- sizeof(t_powtodb_tilde), 0, 0);
- CLASS_MAINSIGNALIN(powtodb_tilde_class, t_powtodb_tilde, x_f);
- class_addmethod(powtodb_tilde_class, (t_method)powtodb_tilde_dsp, gensym("dsp"), 0);
-}
-
-
-/* ------------------------ global setup routine ------------------------- */
-
-void d_math_setup(void)
-{
- t_symbol *s = gensym("acoustics~.pd");
- clip_setup();
- sigrsqrt_setup();
- sigsqrt_setup();
- sigwrap_setup();
- mtof_tilde_setup();
- ftom_tilde_setup();
- dbtorms_tilde_setup();
- rmstodb_tilde_setup();
- dbtopow_tilde_setup();
- powtodb_tilde_setup();
-
- class_sethelpsymbol(mtof_tilde_class, s);
- class_sethelpsymbol(ftom_tilde_class, s);
- class_sethelpsymbol(dbtorms_tilde_class, s);
- class_sethelpsymbol(rmstodb_tilde_class, s);
- class_sethelpsymbol(dbtopow_tilde_class, s);
- class_sethelpsymbol(powtodb_tilde_class, s);
-}
-