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/*
VASP modular - vector assembling signal processor / objects for Max/MSP and PD
Copyright (c) 2002-2006 Thomas Grill (gr@grrrr.org)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
#ifndef __VASP_OPLOOP_H
#define __VASP_OPLOOP_H
#define _D_BLOCK 4096
#define _D_MIN(a,b) ((a) < (b)?(a):(b))
#ifdef FLEXT_THREADS
#define _D_LOOP(VAR,LEN) { \
for(register int __i__ = 0; __i__ < LEN; flext_base::ThrYield()) { \
register const I __m__ = _D_MIN(LEN,__i__+_D_BLOCK); \
for(; __i__ < __m__; ++__i__) { VAR = __i__;
#define _E_LOOP } if(__i__ < __m__) break; }}
#define _D_WHILE(COND) { \
for(; (COND) ; flext_base::ThrYield()) { \
register I __i__ = 0; \
for(; __i__ < _D_BLOCK && (COND); ++__i__) {
#define _E_WHILE } if(__i__ < _D_BLOCK) break; }}
#else
#define _D_LOOP(VAR,LEN) { \
for(VAR = 0; VAR < LEN; ++VAR) {
#define _E_LOOP }}
#define _D_WHILE(COND) { \
while(COND) {
#define _E_WHILE }}
#endif
#define _DE_WHILE(COND,BODY) { _D_WHILE(COND) BODY; _E_WHILE }
#define _DF_LOOP(VAR,LEN,BODY) { _D_LOOP(VAR,LEN) BODY; _E_LOOP }
#ifdef VASP_COMPACT
#define _DE_LOOP(VAR,LEN,BODY) _DF_LOOP(VAR,LEN,BODY)
#else
#ifdef FLEXT_THREADS
#define _DE_LOOP(VAR,LEN,BODY) { \
for(VAR = 0; VAR < LEN; flext_base::ThrYield()) { \
register const I __m__ = _D_MIN(LEN,VAR+_D_BLOCK); \
for(; VAR <= __m__-4; ) { \
BODY; ++VAR; \
BODY; ++VAR; \
BODY; ++VAR; \
BODY; ++VAR; \
} \
for(; VAR < __m__; ++VAR) { \
BODY; \
} \
} \
}
#else
#define _DE_LOOP(VAR,LEN,BODY) { \
for(VAR = 0; VAR <= LEN-4; ) { \
BODY; ++VAR; \
BODY; ++VAR; \
BODY; ++VAR; \
BODY; ++VAR; \
} \
for(; VAR < LEN; ++VAR) { \
BODY; \
} \
}
#endif
#endif
#define _DQ_LOOP(UNROLL,VAR,LEN,BODY) { if(UNROLL) _DE_LOOP(VAR,LEN,BODY) else _DF_LOOP(VAR,LEN,BODY) }
#endif
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