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/* takes a map like 0 1 3 4 7 and only returns the number if it is present */
/* in the map, or returns the closest, or the next up or down (wrapped)*/
#include "m_pd.h"
#include <math.h>
#include <string.h>
#define MAXENTRIES 512
#define LASTENTRY 511
static t_class *sieve_class;
/* mode = 0 : block when absent, 1: nearest when absent, 2: shunt when absent */
typedef struct _map
{
t_atom map[MAXENTRIES];
t_atom nomap[MAXENTRIES];
} t_map;
typedef struct _sieve
{
t_object x_obj;
t_map x_map;
t_float input, mode, max, outmap;
t_outlet *mapped, *value, *mapout, *inst;
} t_sieve;
void sieve_float(t_sieve *x, t_floatarg fin)
{
int i, ip, in, arg, arga, argb, argaout, argbout, argxa, argxb, itest, itesta, itestb, iresult;
itest = itesta = itestb = iresult = arga = argb = arg = 0;
float test, testa, testb, fresult;
test = testa = testb = fresult = 0;
x->input = arg = fin;// < 0 ? 0 : fin > LASTENTRY ? LASTENTRY : (int)fin;
if (x->mode == 0)
{
test = fin < 0 ? 0 : atom_getfloatarg(arg, MAXENTRIES, x->x_map.map);
if(test!=0)
{
outlet_bang(x->inst);
outlet_float(x->value, test);
outlet_float(x->mapped, arg);
}
}
else if (x->mode == 1)
{
test = fin < 0 ? 0 : atom_getfloatarg(arg, MAXENTRIES, x->x_map.map);
if(test!=0)
{
outlet_bang(x->inst);
outlet_float(x->value, test);
outlet_float(x->mapped, arg);
}
else
{
arga = argb = arg;
while(itest == 0 && (arga > -1 || argb < MAXENTRIES))
{
arga--;
argb++;
argxa = arga >= 0 ? arga : 0;
argxb = argb <= LASTENTRY ? argb : LASTENTRY;
testa = atom_getfloatarg(argxa, MAXENTRIES, x->x_map.map);
testb = atom_getfloatarg(argxb, MAXENTRIES, x->x_map.map);
itesta = testa != 0 ? 1 : 0;
itestb = testb != 0 ? 1 : 0;
itest = fin < 0 ? 0 : itesta + itestb;
}
switch(itest)
{
case 2:
if (x->mode == 1)
{
outlet_float(x->value, testb);
outlet_float(x->mapped, argb);
}
else
{
outlet_float(x->value, testa);
outlet_float(x->mapped, arga);
}
case 1:
iresult = itesta == 1 ? arga : argb;
fresult = itesta == 1 ? testa : testb;
outlet_float(x->value, fresult);
outlet_float(x->mapped, iresult);
case 0:
break;
}
}
}
else if (x->mode==2)
{
itest = 0;
test = fin < 0 ? 0 : atom_getfloatarg(arg, MAXENTRIES, x->x_map.map);
if(test!=0)
{
outlet_bang(x->inst);
outlet_float(x->value, test);
outlet_float(x->mapped, arg);
}
else
{
arga = arg;
while(itest == 0 && (x->max > 0))
{
arga = (arga + 1) <= LASTENTRY ? (arga + 1) : 0;
testa = atom_getfloatarg(arga, MAXENTRIES, x->x_map.map);
itest = testa != 0 ? 1 : 0;
}
if(x->max > 0 && fin >= 0)
{
outlet_float(x->value, testa);
outlet_float(x->mapped, arga);
}
}
}
else if (x->mode == 3)
{
itest = 0;
test = fin < 0 ? 0 : atom_getfloatarg(arg, MAXENTRIES, x->x_map.map);
if(test!=0)
{
outlet_bang(x->inst);
outlet_float(x->value, test);
outlet_float(x->mapped, arg);
}
else
{
arga = arg;
while(itest == 0 && (x->max > 0))
{
argb = arga - 1;
arga = argb >= 0 ? argb : LASTENTRY;
testa = atom_getfloatarg(arga, MAXENTRIES, x->x_map.map);
itest = testa != 0 ? 1 : 0;
}
}
outlet_float(x->value, testa);
outlet_float(x->mapped, arga);
}
}
void sieve_set(t_sieve *x, t_floatarg fmap, t_floatarg fval)
{
float fvaller;
if(fmap < MAXENTRIES && fmap >= 0)
{
int imap = (int)fmap;
fvaller = fval != 0 ? 0 : 1;
SETFLOAT(&x->x_map.map[imap], fval);
SETFLOAT(&x->x_map.nomap[imap], fvaller);
x->max = fmap > x->max ? fmap : x->max;
}
}
void sieve_get(t_sieve *x, t_floatarg inv)
{
if(inv!=0)
{
outlet_list(x->mapout, gensym("list"), x->max+1, x->x_map.nomap);
}
else outlet_list(x->mapout, gensym("list"), x->max+1, x->x_map.map);
x->outmap = inv;
}
void sieve_clear(t_sieve *x)
{
//memset(x->x_map.map, 0, MAXENTRIES);
int i;
for(i=0;i<MAXENTRIES;i++)
{
SETFLOAT(&x->x_map.map[i], 0);
SETFLOAT(&x->x_map.nomap[i], 1);
}
//memset(x->x_map.nomap, 1, MAXENTRIES);
x->max = 0;
}
void sieve_map(t_sieve *x, t_symbol *s, int argc, t_atom *argv)
{
//memset(x->x_map.map, 0, MAXENTRIES);
//memset(x->x_map.nomap, 1, MAXENTRIES);
int i;
for(i=0;i<MAXENTRIES;i++)
{
SETFLOAT(x->x_map.map+i, 0);
SETFLOAT(x->x_map.nomap+i, 1);
}
x->max = 0;
float arg;
for(i=0;i<argc;i++)
{
arg = atom_getfloat(argv+i);
if(arg != 0)
{
SETFLOAT(&x->x_map.map[i], arg);
SETFLOAT(&x->x_map.nomap[i], 0);
x->max = i;
}
}
if (x->max > 0 && x->outmap == 0)
{
outlet_list(x->mapout, gensym("list"), x->max+1, x->x_map.map);
}
else if (x->max > 0 && x->outmap == 1)
{
outlet_list(x->mapout, gensym("list"), x->max+1, x->x_map.nomap);
}
}
void sieve_mode(t_sieve *x, t_floatarg fmode)
{
x->mode = fmode < 0 ? 0 : fmode > 3 ? 3 : fmode;
}
void sieve_debug(t_sieve *x)
{
float ele0, ele1, ele2, ele3, ele4, ele5, ele6, ele7, ele8, ele9;
float nle0, nle1, nle2, nle3, nle4, nle5, nle6, nle7, nle8, nle9;
ele0 = atom_getfloatarg(0, MAXENTRIES, x->x_map.map);
ele1 = atom_getfloatarg(1, MAXENTRIES, x->x_map.map);
ele2 = atom_getfloatarg(2, MAXENTRIES, x->x_map.map);
ele3 = atom_getfloatarg(3, MAXENTRIES, x->x_map.map);
ele4 = atom_getfloatarg(4, MAXENTRIES, x->x_map.map);
ele5 = atom_getfloatarg(5, MAXENTRIES, x->x_map.map);
ele6 = atom_getfloatarg(6, MAXENTRIES, x->x_map.map);
ele7 = atom_getfloatarg(7, MAXENTRIES, x->x_map.map);
ele8 = atom_getfloatarg(8, MAXENTRIES, x->x_map.map);
ele9 = atom_getfloatarg(9, MAXENTRIES, x->x_map.map);
nle0 = atom_getfloatarg(0, MAXENTRIES, x->x_map.nomap);
nle1 = atom_getfloatarg(1, MAXENTRIES, x->x_map.nomap);
nle2 = atom_getfloatarg(2, MAXENTRIES, x->x_map.nomap);
nle3 = atom_getfloatarg(3, MAXENTRIES, x->x_map.nomap);
nle4 = atom_getfloatarg(4, MAXENTRIES, x->x_map.nomap);
nle5 = atom_getfloatarg(5, MAXENTRIES, x->x_map.nomap);
nle6 = atom_getfloatarg(6, MAXENTRIES, x->x_map.nomap);
nle7 = atom_getfloatarg(7, MAXENTRIES, x->x_map.nomap);
nle8 = atom_getfloatarg(8, MAXENTRIES, x->x_map.nomap);
nle9 = atom_getfloatarg(9, MAXENTRIES, x->x_map.nomap);
/* post("blocksize = %d, scales = %d, vectorsize = %d, offset = %d",
x->N, x->scales, x->vecsize, x->offset); */
post("mode = %d, max = %d", x->mode, x->max);
post("first 10 elements = %d, %d, %d, %d, %d, %d, %d, %d, %d, %d", ele0, ele1, ele2, ele3, ele4, ele5, ele6, ele7, ele8, ele9);
post("first 10 elements = %d, %d, %d, %d, %d, %d, %d, %d, %d, %d", nle0, nle1, nle2, nle3, nle4, nle5, nle6, nle7, nle8, nle9);
}
void *sieve_new(t_floatarg f)
{
t_sieve *x = (t_sieve *)pd_new(sieve_class);
x->mode = f;
x->max = 0;
x->outmap = 0;
//memset(x->x_map.map, 0, MAXENTRIES);
//memset(x->x_map.nomap, 1, MAXENTRIES);
int i;
for(i=0;i<MAXENTRIES;i++)
{
SETFLOAT(x->x_map.map+i, 0);
SETFLOAT(x->x_map.nomap+i, 1);
}
x->mapped = outlet_new(&x->x_obj, &s_float);
x->value = outlet_new(&x->x_obj, &s_float);
x->mapout = outlet_new(&x->x_obj, &s_list);
x->inst = outlet_new(&x->x_obj, &s_bang);
return (void *)x;
}
void sieve_setup(void)
{
sieve_class = class_new(gensym("sieve"),
(t_newmethod)sieve_new,
0, sizeof(t_sieve),
0, A_DEFFLOAT, 0);
post("|^^^^^^^^^^^^^sieve^^^^^^^^^^^^^|");
post("|->^^^integer map to floats^^^<-|");
post("|^^^^^^^Edward Kelly 2006^^^^^^^|");
class_sethelpsymbol(sieve_class, gensym("help-sieve"));
class_addfloat(sieve_class, sieve_float);
class_addmethod(sieve_class, (t_method)sieve_set, gensym("set"), A_DEFFLOAT, A_DEFFLOAT, 0);
class_addmethod(sieve_class, (t_method)sieve_map, gensym("map"), A_GIMME, 0);
class_addmethod(sieve_class, (t_method)sieve_clear, gensym("clear"), A_DEFFLOAT, 0);
class_addmethod(sieve_class, (t_method)sieve_get, gensym("get"), A_DEFFLOAT, 0);
class_addmethod(sieve_class, (t_method)sieve_mode, gensym("mode"), A_DEFFLOAT, 0);
class_addmethod(sieve_class, (t_method)sieve_debug, gensym("debug"), A_DEFFLOAT, 0);
}
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