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-rw-r--r--pd/src/d_filter.c286
1 files changed, 143 insertions, 143 deletions
diff --git a/pd/src/d_filter.c b/pd/src/d_filter.c
index 93aeac4c..18b3b145 100644
--- a/pd/src/d_filter.c
+++ b/pd/src/d_filter.c
@@ -11,18 +11,18 @@
typedef struct hipctl
{
- float c_x;
- float c_coef;
+ t_sample c_x;
+ t_sample c_coef;
} t_hipctl;
typedef struct sighip
{
t_object x_obj;
- float x_sr;
- float x_hz;
+ t_float x_sr;
+ t_float x_hz;
t_hipctl x_cspace;
t_hipctl *x_ctl;
- float x_f;
+ t_float x_f;
} t_sighip;
t_class *sighip_class;
@@ -54,18 +54,18 @@ static void sighip_ft1(t_sighip *x, t_floatarg f)
static t_int *sighip_perform(t_int *w)
{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
+ t_sample *in = (t_sample *)(w[1]);
+ t_sample *out = (t_sample *)(w[2]);
t_hipctl *c = (t_hipctl *)(w[3]);
int n = (t_int)(w[4]);
int i;
- float last = c->c_x;
- float coef = c->c_coef;
+ t_sample last = c->c_x;
+ t_sample coef = c->c_coef;
if (coef < 1)
{
for (i = 0; i < n; i++)
{
- float new = *in++ + coef * last;
+ t_sample new = *in++ + coef * last;
*out++ = new - last;
last = new;
}
@@ -112,18 +112,18 @@ void sighip_setup(void)
typedef struct lopctl
{
- float c_x;
- float c_coef;
+ t_sample c_x;
+ t_sample c_coef;
} t_lopctl;
typedef struct siglop
{
t_object x_obj;
- float x_sr;
- float x_hz;
+ t_float x_sr;
+ t_float x_hz;
t_lopctl x_cspace;
t_lopctl *x_ctl;
- float x_f;
+ t_float x_f;
} t_siglop;
t_class *siglop_class;
@@ -161,14 +161,14 @@ static void siglop_clear(t_siglop *x, t_floatarg q)
static t_int *siglop_perform(t_int *w)
{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
+ t_sample *in = (t_sample *)(w[1]);
+ t_sample *out = (t_sample *)(w[2]);
t_lopctl *c = (t_lopctl *)(w[3]);
int n = (t_int)(w[4]);
int i;
- float last = c->c_x;
- float coef = c->c_coef;
- float feedback = 1 - coef;
+ t_sample last = c->c_x;
+ t_sample coef = c->c_coef;
+ t_sample feedback = 1 - coef;
for (i = 0; i < n; i++)
last = *out++ = coef * *in++ + feedback * last;
if (PD_BIGORSMALL(last))
@@ -202,22 +202,22 @@ void siglop_setup(void)
typedef struct bpctl
{
- float c_x1;
- float c_x2;
- float c_coef1;
- float c_coef2;
- float c_gain;
+ t_sample c_x1;
+ t_sample c_x2;
+ t_sample c_coef1;
+ t_sample c_coef2;
+ t_sample c_gain;
} t_bpctl;
typedef struct sigbp
{
t_object x_obj;
- float x_sr;
- float x_freq;
- float x_q;
+ t_float x_sr;
+ t_float x_freq;
+ t_float x_q;
t_bpctl x_cspace;
t_bpctl *x_ctl;
- float x_f;
+ t_float x_f;
} t_sigbp;
t_class *sigbp_class;
@@ -239,11 +239,11 @@ static void *sigbp_new(t_floatarg f, t_floatarg q)
return (x);
}
-static float sigbp_qcos(float f)
+static t_float sigbp_qcos(t_float f)
{
if (f >= -(0.5f*3.14159f) && f <= 0.5f*3.14159f)
{
- float g = f*f;
+ t_float g = f*f;
return (((g*g*g * (-1.0f/720.0f) + g*g*(1.0f/24.0f)) - g*0.5) + 1);
}
else return (0);
@@ -251,7 +251,7 @@ static float sigbp_qcos(float f)
static void sigbp_docoef(t_sigbp *x, t_floatarg f, t_floatarg q)
{
- float r, oneminusr, omega;
+ t_float r, oneminusr, omega;
if (f < 0.001) f = 10;
if (q < 0) q = 0;
x->x_freq = f;
@@ -285,19 +285,19 @@ static void sigbp_clear(t_sigbp *x, t_floatarg q)
static t_int *sigbp_perform(t_int *w)
{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
+ t_sample *in = (t_sample *)(w[1]);
+ t_sample *out = (t_sample *)(w[2]);
t_bpctl *c = (t_bpctl *)(w[3]);
int n = (t_int)(w[4]);
int i;
- float last = c->c_x1;
- float prev = c->c_x2;
- float coef1 = c->c_coef1;
- float coef2 = c->c_coef2;
- float gain = c->c_gain;
+ t_sample last = c->c_x1;
+ t_sample prev = c->c_x2;
+ t_sample coef1 = c->c_coef1;
+ t_sample coef2 = c->c_coef2;
+ t_sample gain = c->c_gain;
for (i = 0; i < n; i++)
{
- float output = *in++ + coef1 * last + coef2 * prev;
+ t_sample output = *in++ + coef1 * last + coef2 * prev;
*out++ = gain * output;
prev = last;
last = output;
@@ -338,19 +338,19 @@ void sigbp_setup(void)
typedef struct biquadctl
{
- float c_x1;
- float c_x2;
- float c_fb1;
- float c_fb2;
- float c_ff1;
- float c_ff2;
- float c_ff3;
+ t_sample c_x1;
+ t_sample c_x2;
+ t_sample c_fb1;
+ t_sample c_fb2;
+ t_sample c_ff1;
+ t_sample c_ff2;
+ t_sample c_ff3;
} t_biquadctl;
typedef struct sigbiquad
{
t_object x_obj;
- float x_f;
+ t_float x_f;
t_biquadctl x_cspace;
t_biquadctl *x_ctl;
} t_sigbiquad;
@@ -372,21 +372,21 @@ static void *sigbiquad_new(t_symbol *s, int argc, t_atom *argv)
static t_int *sigbiquad_perform(t_int *w)
{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
+ t_sample *in = (t_sample *)(w[1]);
+ t_sample *out = (t_sample *)(w[2]);
t_biquadctl *c = (t_biquadctl *)(w[3]);
int n = (t_int)(w[4]);
int i;
- float last = c->c_x1;
- float prev = c->c_x2;
- float fb1 = c->c_fb1;
- float fb2 = c->c_fb2;
- float ff1 = c->c_ff1;
- float ff2 = c->c_ff2;
- float ff3 = c->c_ff3;
+ t_sample last = c->c_x1;
+ t_sample prev = c->c_x2;
+ t_sample fb1 = c->c_fb1;
+ t_sample fb2 = c->c_fb2;
+ t_sample ff1 = c->c_ff1;
+ t_sample ff2 = c->c_ff2;
+ t_sample ff3 = c->c_ff3;
for (i = 0; i < n; i++)
{
- float output = *in++ + fb1 * last + fb2 * prev;
+ t_sample output = *in++ + fb1 * last + fb2 * prev;
if (PD_BIGORSMALL(output))
output = 0;
*out++ = ff1 * output + ff2 * last + ff3 * prev;
@@ -400,12 +400,12 @@ static t_int *sigbiquad_perform(t_int *w)
static void sigbiquad_list(t_sigbiquad *x, t_symbol *s, int argc, t_atom *argv)
{
- float fb1 = atom_getfloatarg(0, argc, argv);
- float fb2 = atom_getfloatarg(1, argc, argv);
- float ff1 = atom_getfloatarg(2, argc, argv);
- float ff2 = atom_getfloatarg(3, argc, argv);
- float ff3 = atom_getfloatarg(4, argc, argv);
- float discriminant = fb1 * fb1 + 4 * fb2;
+ t_float fb1 = atom_getfloatarg(0, argc, argv);
+ t_float fb2 = atom_getfloatarg(1, argc, argv);
+ t_float ff1 = atom_getfloatarg(2, argc, argv);
+ t_float ff2 = atom_getfloatarg(3, argc, argv);
+ t_float ff3 = atom_getfloatarg(4, argc, argv);
+ t_float discriminant = fb1 * fb1 + 4 * fb2;
t_biquadctl *c = x->x_ctl;
if (discriminant < 0) /* imaginary roots -- resonant filter */
{
@@ -465,9 +465,9 @@ void sigbiquad_setup(void)
typedef struct sigsamphold
{
t_object x_obj;
- float x_f;
- float x_lastin;
- float x_lastout;
+ t_float x_f;
+ t_sample x_lastin;
+ t_sample x_lastout;
} t_sigsamphold;
t_class *sigsamphold_class;
@@ -485,17 +485,17 @@ static void *sigsamphold_new(void)
static t_int *sigsamphold_perform(t_int *w)
{
- float *in1 = (float *)(w[1]);
- float *in2 = (float *)(w[2]);
- float *out = (float *)(w[3]);
+ t_sample *in1 = (t_sample *)(w[1]);
+ t_sample *in2 = (t_sample *)(w[2]);
+ t_sample *out = (t_sample *)(w[3]);
t_sigsamphold *x = (t_sigsamphold *)(w[4]);
int n = (t_int)(w[5]);
int i;
- float lastin = x->x_lastin;
- float lastout = x->x_lastout;
+ t_sample lastin = x->x_lastin;
+ t_sample lastout = x->x_lastout;
for (i = 0; i < n; i++, *in1++)
{
- float next = *in2++;
+ t_sample next = *in2++;
if (next < lastin) lastout = *in1;
*out++ = lastout;
lastin = next;
@@ -542,8 +542,8 @@ void sigsamphold_setup(void)
typedef struct sigrpole
{
t_object x_obj;
- float x_f;
- float x_last;
+ t_float x_f;
+ t_sample x_last;
} t_sigrpole;
t_class *sigrpole_class;
@@ -561,17 +561,17 @@ static void *sigrpole_new(t_float f)
static t_int *sigrpole_perform(t_int *w)
{
- float *in1 = (float *)(w[1]);
- float *in2 = (float *)(w[2]);
- float *out = (float *)(w[3]);
+ t_sample *in1 = (t_sample *)(w[1]);
+ t_sample *in2 = (t_sample *)(w[2]);
+ t_sample *out = (t_sample *)(w[3]);
t_sigrpole *x = (t_sigrpole *)(w[4]);
int n = (t_int)(w[5]);
int i;
- float last = x->x_last;
+ t_sample last = x->x_last;
for (i = 0; i < n; i++)
{
- float next = *in1++;
- float coef = *in2++;
+ t_sample next = *in1++;
+ t_sample coef = *in2++;
*out++ = last = coef * last + next;
}
if (PD_BIGORSMALL(last))
@@ -615,8 +615,8 @@ void sigrpole_setup(void)
typedef struct sigrzero
{
t_object x_obj;
- float x_f;
- float x_last;
+ t_float x_f;
+ t_sample x_last;
} t_sigrzero;
t_class *sigrzero_class;
@@ -634,17 +634,17 @@ static void *sigrzero_new(t_float f)
static t_int *sigrzero_perform(t_int *w)
{
- float *in1 = (float *)(w[1]);
- float *in2 = (float *)(w[2]);
- float *out = (float *)(w[3]);
+ t_sample *in1 = (t_sample *)(w[1]);
+ t_sample *in2 = (t_sample *)(w[2]);
+ t_sample *out = (t_sample *)(w[3]);
t_sigrzero *x = (t_sigrzero *)(w[4]);
int n = (t_int)(w[5]);
int i;
- float last = x->x_last;
+ t_sample last = x->x_last;
for (i = 0; i < n; i++)
{
- float next = *in1++;
- float coef = *in2++;
+ t_sample next = *in1++;
+ t_sample coef = *in2++;
*out++ = next - coef * last;
last = next;
}
@@ -687,8 +687,8 @@ void sigrzero_setup(void)
typedef struct sigrzero_rev
{
t_object x_obj;
- float x_f;
- float x_last;
+ t_float x_f;
+ t_sample x_last;
} t_sigrzero_rev;
t_class *sigrzero_rev_class;
@@ -706,17 +706,17 @@ static void *sigrzero_rev_new(t_float f)
static t_int *sigrzero_rev_perform(t_int *w)
{
- float *in1 = (float *)(w[1]);
- float *in2 = (float *)(w[2]);
- float *out = (float *)(w[3]);
+ t_sample *in1 = (t_sample *)(w[1]);
+ t_sample *in2 = (t_sample *)(w[2]);
+ t_sample *out = (t_sample *)(w[3]);
t_sigrzero_rev *x = (t_sigrzero_rev *)(w[4]);
int n = (t_int)(w[5]);
int i;
- float last = x->x_last;
+ t_sample last = x->x_last;
for (i = 0; i < n; i++)
{
- float next = *in1++;
- float coef = *in2++;
+ t_sample next = *in1++;
+ t_sample coef = *in2++;
*out++ = last - coef * next;
last = next;
}
@@ -760,9 +760,9 @@ void sigrzero_rev_setup(void)
typedef struct sigcpole
{
t_object x_obj;
- float x_f;
- float x_lastre;
- float x_lastim;
+ t_float x_f;
+ t_sample x_lastre;
+ t_sample x_lastim;
} t_sigcpole;
t_class *sigcpole_class;
@@ -786,24 +786,24 @@ static void *sigcpole_new(t_float re, t_float im)
static t_int *sigcpole_perform(t_int *w)
{
- float *inre1 = (float *)(w[1]);
- float *inim1 = (float *)(w[2]);
- float *inre2 = (float *)(w[3]);
- float *inim2 = (float *)(w[4]);
- float *outre = (float *)(w[5]);
- float *outim = (float *)(w[6]);
+ t_sample *inre1 = (t_sample *)(w[1]);
+ t_sample *inim1 = (t_sample *)(w[2]);
+ t_sample *inre2 = (t_sample *)(w[3]);
+ t_sample *inim2 = (t_sample *)(w[4]);
+ t_sample *outre = (t_sample *)(w[5]);
+ t_sample *outim = (t_sample *)(w[6]);
t_sigcpole *x = (t_sigcpole *)(w[7]);
int n = (t_int)(w[8]);
int i;
- float lastre = x->x_lastre;
- float lastim = x->x_lastim;
+ t_sample lastre = x->x_lastre;
+ t_sample lastim = x->x_lastim;
for (i = 0; i < n; i++)
{
- float nextre = *inre1++;
- float nextim = *inim1++;
- float coefre = *inre2++;
- float coefim = *inim2++;
- float tempre = *outre++ = nextre + lastre * coefre - lastim * coefim;
+ t_sample nextre = *inre1++;
+ t_sample nextim = *inim1++;
+ t_sample coefre = *inre2++;
+ t_sample coefim = *inim2++;
+ t_sample tempre = *outre++ = nextre + lastre * coefre - lastim * coefim;
lastim = *outim++ = nextim + lastre * coefim + lastim * coefre;
lastre = tempre;
}
@@ -853,9 +853,9 @@ void sigcpole_setup(void)
typedef struct sigczero
{
t_object x_obj;
- float x_f;
- float x_lastre;
- float x_lastim;
+ t_float x_f;
+ t_sample x_lastre;
+ t_sample x_lastim;
} t_sigczero;
t_class *sigczero_class;
@@ -879,23 +879,23 @@ static void *sigczero_new(t_float re, t_float im)
static t_int *sigczero_perform(t_int *w)
{
- float *inre1 = (float *)(w[1]);
- float *inim1 = (float *)(w[2]);
- float *inre2 = (float *)(w[3]);
- float *inim2 = (float *)(w[4]);
- float *outre = (float *)(w[5]);
- float *outim = (float *)(w[6]);
+ t_sample *inre1 = (t_sample *)(w[1]);
+ t_sample *inim1 = (t_sample *)(w[2]);
+ t_sample *inre2 = (t_sample *)(w[3]);
+ t_sample *inim2 = (t_sample *)(w[4]);
+ t_sample *outre = (t_sample *)(w[5]);
+ t_sample *outim = (t_sample *)(w[6]);
t_sigczero *x = (t_sigczero *)(w[7]);
int n = (t_int)(w[8]);
int i;
- float lastre = x->x_lastre;
- float lastim = x->x_lastim;
+ t_sample lastre = x->x_lastre;
+ t_sample lastim = x->x_lastim;
for (i = 0; i < n; i++)
{
- float nextre = *inre1++;
- float nextim = *inim1++;
- float coefre = *inre2++;
- float coefim = *inim2++;
+ t_sample nextre = *inre1++;
+ t_sample nextim = *inim1++;
+ t_sample coefre = *inre2++;
+ t_sample coefim = *inim2++;
*outre++ = nextre - lastre * coefre + lastim * coefim;
*outim++ = nextim - lastre * coefim - lastim * coefre;
lastre = nextre;
@@ -943,9 +943,9 @@ void sigczero_setup(void)
typedef struct sigczero_rev
{
t_object x_obj;
- float x_f;
- float x_lastre;
- float x_lastim;
+ t_float x_f;
+ t_sample x_lastre;
+ t_sample x_lastim;
} t_sigczero_rev;
t_class *sigczero_rev_class;
@@ -969,23 +969,23 @@ static void *sigczero_rev_new(t_float re, t_float im)
static t_int *sigczero_rev_perform(t_int *w)
{
- float *inre1 = (float *)(w[1]);
- float *inim1 = (float *)(w[2]);
- float *inre2 = (float *)(w[3]);
- float *inim2 = (float *)(w[4]);
- float *outre = (float *)(w[5]);
- float *outim = (float *)(w[6]);
+ t_sample *inre1 = (t_sample *)(w[1]);
+ t_sample *inim1 = (t_sample *)(w[2]);
+ t_sample *inre2 = (t_sample *)(w[3]);
+ t_sample *inim2 = (t_sample *)(w[4]);
+ t_sample *outre = (t_sample *)(w[5]);
+ t_sample *outim = (t_sample *)(w[6]);
t_sigczero_rev *x = (t_sigczero_rev *)(w[7]);
int n = (t_int)(w[8]);
int i;
- float lastre = x->x_lastre;
- float lastim = x->x_lastim;
+ t_sample lastre = x->x_lastre;
+ t_sample lastim = x->x_lastim;
for (i = 0; i < n; i++)
{
- float nextre = *inre1++;
- float nextim = *inim1++;
- float coefre = *inre2++;
- float coefim = *inim2++;
+ t_sample nextre = *inre1++;
+ t_sample nextim = *inim1++;
+ t_sample coefre = *inre2++;
+ t_sample coefim = *inim2++;
/* transfer function is (A bar) - Z^-1, for the same
frequency response as 1 - AZ^-1 from czero_tilde. */
*outre++ = lastre - nextre * coefre - nextim * coefim;