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/*
array.h:
Copyright (C) 2011, 2017 John ffitch and Stephen Kyne
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
*/
#ifndef __ARRAY_H__
#define __ARRAY_H__
static inline void tabinit(CSOUND *csound, ARRAYDAT *p, int size)
{
size_t ss;
if (p->dimensions==0) {
p->dimensions = 1;
p->sizes = (int32_t*)csound->Calloc(csound, sizeof(int32_t));
}
if (p->data == NULL) {
CS_VARIABLE* var = p->arrayType->createVariable(csound, NULL);
p->arrayMemberSize = var->memBlockSize;
ss = p->arrayMemberSize*size;
p->data = (MYFLT*)csound->Calloc(csound, ss);
p->allocated = ss;
} else if( (ss = p->arrayMemberSize*size) > p->allocated) {
p->data = (MYFLT*) csound->ReAlloc(csound, p->data, ss);
memset((char*)(p->data)+p->allocated, '\0', ss-p->allocated);
p->allocated = ss;
}
if (p->dimensions==1) p->sizes[0] = size;
//p->dimensions = 1;
}
static inline void tabinit_like(CSOUND *csound, ARRAYDAT *p, ARRAYDAT *tp)
{
uint32_t ss = 1;
if(p->data == tp->data) {
return;
}
if (p->dimensions != tp->dimensions) {
p->sizes = (int32_t*)csound->ReAlloc(csound, p->sizes,
sizeof(int32_t)*tp->dimensions);
p->dimensions = tp->dimensions;
}
for (int i=0; i<tp->dimensions; i++) {
p->sizes[i] = tp->sizes[i];
ss *= tp->sizes[i];
}
if (p->data == NULL) {
CS_VARIABLE* var = p->arrayType->createVariable(csound, NULL);
p->arrayMemberSize = var->memBlockSize;
ss = p->arrayMemberSize*ss;
p->data = (MYFLT*)csound->Calloc(csound, ss);
p->allocated = ss;
} else if( (ss = p->arrayMemberSize*ss) > p->allocated) {
p->data = (MYFLT*) csound->ReAlloc(csound, p->data, ss);
p->allocated = ss;
}
}
static inline int tabcheck(CSOUND *csound, ARRAYDAT *p, int size, OPDS *q)
{
if (p->data==NULL || p->dimensions == 0) {
return csound->PerfError(csound, q, "%s", Str("Array not initialised"));
}
size_t s = p->arrayMemberSize*size;
if (s > p->allocated) { /* was arr->allocate */
return csound->PerfError(csound, q,
Str("Array too small (allocated %zu < needed %zu), but cannot "
"allocate during performance pass. Allocate a bigger array at init time"),
p->allocated, s);
return NOTOK;
}
p->sizes[0] = size;
return OK;
}
#if 0
static inline void tabensure(CSOUND *csound, ARRAYDAT *p, int size)
{
if (p->data==NULL || p->dimensions == 0 ||
(p->dimensions==1 && p->sizes[0] < size)) {
size_t ss;
if (p->data == NULL) {
CS_VARIABLE* var = p->arrayType->createVariable(csound, NULL);
p->arrayMemberSize = var->memBlockSize;
}
ss = p->arrayMemberSize*size;
if (p->data==NULL) {
p->data = (MYFLT*)csound->Calloc(csound, ss);
p->allocated = ss;
}
else if (ss > p->allocated) {
p->data = (MYFLT*) csound->ReAlloc(csound, p->data, ss);
p->allocated = ss;
}
if (p->dimensions==0) {
p->dimensions = 1;
p->sizes = (int32_t*)csound->Malloc(csound, sizeof(int32_t));
}
p->sizes[0] = size;
}
//p->sizes[0] = size;
}
#endif
#endif /* end of include guard: __ARRAY_H__ */
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