void cm_vec_free (cm_vector_t * v)
{
if (v->vector)
cm_free (v->vector);
cm_free (v);
}
inline
void cm_hash_free_table (cm_hash_tab_t * tbl)
{
cm_hash_tab_t *tb = tbl;
if (tb->array)
cm_free (tb->array);
cm_free (tb);
}
/* Resize color coefficient matrix */
CMATRIX *
cm_resize(CMATRIX *cm, int nrows)
{
size_t old_size, new_size, ra_bounds[2];
if (nrows == cm->nrows)
return(cm);
if (nrows <= 0) {
cm_free(cm);
return(NULL);
}
old_size = sizeof(CMATRIX) + sizeof(COLOR)*(cm->nrows*cm->ncols - 1);
adjacent_ra_sizes(ra_bounds, old_size);
new_size = sizeof(CMATRIX) + sizeof(COLOR)*(nrows*cm->ncols - 1);
if (nrows < cm->nrows ? new_size <= ra_bounds[0] :
new_size > ra_bounds[1]) {
adjacent_ra_sizes(ra_bounds, new_size);
cm = (CMATRIX *)realloc(cm, ra_bounds[1]);
if (cm == NULL)
error(SYSTEM, "out of memory in cm_resize()");
}
cm->nrows = nrows;
return(cm);
}
void cm_hash_grow_table (cm_hash_tab_t * tbl)
{
unsigned int prev_size = tbl->size, size = 0, i;
cm_hash_entry_t *prev_array = tbl->array, *array;
size = threshold_alloc (prev_size);
array = (cm_hash_entry_t*)
cm_calloc (size, sizeof(cm_hash_entry_t));
tbl->length = 0;
tbl->size= size;
tbl->array= array;
for (i = 0; i<prev_size; ++i)
{
cm_hashval_t h = prev_array[i].hash;
void *s = prev_array[i].data;
if (s)
cm_hash_insert (h, s, tbl);
}
if (prev_array)
cm_free (prev_array);
}
/* Load matrix from supported file type */
RMATRIX *
rmx_load(const char *fname)
{
FILE *fp = stdin;
RMATRIX dinfo;
RMATRIX *dnew;
if (fname == NULL) { /* reading from stdin? */
fname = "<stdin>";
#ifdef _WIN32
_setmode(fileno(stdin), _O_BINARY);
#endif
} else {
const char *sp = fname; /* check suffix */
while (*sp)
++sp;
while (sp > fname && sp[-1] != '.')
--sp;
if (!strcasecmp(sp, "XML")) { /* assume it's a BSDF */
CMATRIX *cm = cm_loadBTDF((char *)fname);
if (cm == NULL)
return(NULL);
dnew = rmx_from_cmatrix(cm);
cm_free(cm);
return(dnew);
}
/* else open it ourselves */
if ((fp = fopen(fname, "rb")) == NULL)
return(NULL);
}
#ifdef getc_unlocked
flockfile(fp);
#endif
dinfo.nrows = dinfo.ncols = dinfo.ncomp = 0;
dinfo.dtype = DTascii; /* assumed w/o FORMAT */
dinfo.info = NULL;
if (getheader(fp, get_dminfo, &dinfo) < 0) {
fclose(fp);
return(NULL);
}
if ((dinfo.nrows <= 0) | (dinfo.ncols <= 0)) {
if (!fscnresolu(&dinfo.ncols, &dinfo.nrows, fp)) {
fclose(fp);
return(NULL);
}
if (dinfo.ncomp <= 0)
dinfo.ncomp = 3;
else if ((dinfo.dtype == DTrgbe) | (dinfo.dtype == DTxyze) &&
dinfo.ncomp != 3) {
fclose(fp);
return(NULL);
}
}
dnew = rmx_alloc(dinfo.nrows, dinfo.ncols, dinfo.ncomp);
if (dnew == NULL) {
fclose(fp);
return(NULL);
}
dnew->info = dinfo.info;
switch (dinfo.dtype) {
case DTascii:
if (!rmx_load_ascii(dnew, fp))
goto loaderr;
dnew->dtype = DTascii; /* should leave double? */
break;
case DTfloat:
if (!rmx_load_float(dnew, fp))
goto loaderr;
dnew->dtype = DTfloat;
break;
case DTdouble:
if (!rmx_load_double(dnew, fp))
goto loaderr;
dnew->dtype = DTdouble;
break;
case DTrgbe:
case DTxyze:
if (!rmx_load_rgbe(dnew, fp))
goto loaderr;
dnew->dtype = dinfo.dtype;
break;
default:
goto loaderr;
}
if (fp != stdin)
fclose(fp);
return(dnew);
loaderr: /* should report error? */
fclose(fp);
rmx_free(dnew);
return(NULL);
}
void rph_cm_free(SEXP cmP) {
CategoryMap *cm = (CategoryMap*)EXTPTR_PTR(cmP);
phast_unregister_protected(cm);
cm_free(cm);
}
int tmpi_bco_bcast(tmpi_BcastObj *bco, int myid, int root, char *data, unsigned int len) {
register tmpi_BCHandle *curitem;
tmpi_BCHandle *newitem;
register tmpi_BCQueue *q;
int ret;
if (bco->group_size<2) return 0; /* don't do anything */
q=bco->bco_array[root];
curitem=(tmpi_BCHandle *)ukey_getval(q->key_curhandle);
if (!curitem)
curitem=q->first;
if (curitem==(tmpi_BCHandle*)8L) {
/* internal allocation error */
return -1;
}
/* now curitem holds a handle whose avail is not -1 */
if (myid==root) { /* now avail must be zero, functioning like a lock */
/* expend the queue by one */
newitem=tmpi_bch_alloc(bco, root);
if (!newitem) {
tmpi_error(DBG_INTERNAL, "bcast failed due to insufficient memory.");
newitem=(tmpi_BCHandle*)8L;
}
else {
newitem->avail=0;
newitem->next=NULL;
}
curitem->next=newitem;
/* if ((curitem->data=anl_malloc(len))==NULL) { */
/* if ((curitem->data=mb_alloc(myid, len))==NULL) { */
if ((curitem->data=cm_alloc(len))==NULL) {
curitem->len=0;
ret=-2; /* no memory */
}
else {
memcpy(curitem->data, data, len);
curitem->len=len;
ret=0;
}
thr_mtx_lock(&(curitem->lock));
curitem->avail=1; /* the buffer is now available */
thr_cnd_bcast(&(curitem->wait));
thr_mtx_unlock(&(curitem->lock));
/* same as curitem->next, but local data will ensure faster access */
ukey_setval(q->key_curhandle, newitem);
/* better signal everybody, but don't do it now for easy debugging */
/* signalAllFlag(&(curitem->avail), 1); */
/* oh no, signalAll is too costly, why not just let recver wake by itself */
}
else { /* receivers */
thr_mtx_lock(&(curitem->lock));
while (!curitem->avail) {
thr_cnd_wait(&(curitem->wait), &(curitem->lock));
}
thr_mtx_unlock(&(curitem->lock));
if (curitem->data) {
memcpy(data, curitem->data, MIN(len, curitem->len));
ret=0;
}
else
ret=-2;
/* next item must be non-zero now */
ukey_setval(q->key_curhandle, curitem->next);
if (anf32(&(curitem->avail), 1)==bco->group_size) { /* last to leave */
if (!ret)
cm_free(curitem->data);
q->first=curitem->next;
tmpi_bch_free(bco, root, curitem);
}
}
return ret;
}
