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Fixed embarrassing bug at N=0

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[SVN r12951]
This commit is contained in:
Vesa Karvonen
2002-02-27 07:42:00 +00:00
parent 8a557b560b
commit 0b714a0ce7
1 changed files with 11 additions and 9 deletions
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20
example/duffs_device.c
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@ -25,15 +25,17 @@
#define DUFFS_DEVICE(UNROLLING_FACTOR,COUNTER_TYPE,N,STATEMENT)\
do\
{\
COUNTER_TYPE\
duffs_device_initial_cnt = (N),\
duffs_device_running_cnt = (duffs_device_initial_cnt + (UNROLLING_FACTOR-1))/UNROLLING_FACTOR;\
switch (duffs_device_initial_cnt % UNROLLING_FACTOR)\
COUNTER_TYPE duffs_device_initial_cnt = (N);\
if (duffs_device_initial_cnt > 0)\
{\
do\
COUNTER_TYPE duffs_device_running_cnt = (duffs_device_initial_cnt + (UNROLLING_FACTOR-1))/UNROLLING_FACTOR;\
switch (duffs_device_initial_cnt % UNROLLING_FACTOR)\
{\
BOOST_PP_REPEAT(UNROLLING_FACTOR,DUFFS_DEVICE_C,(UNROLLING_FACTOR,{STATEMENT}))\
} while (--duffs_device_running_cnt);\
do\
{\
BOOST_PP_REPEAT(UNROLLING_FACTOR,DUFFS_DEVICE_C,(UNROLLING_FACTOR,{STATEMENT}))\
} while (--duffs_device_running_cnt);\
}\
}\
} while (0)
@ -52,9 +54,9 @@
int main(void)
{
int i=0;
DUFFS_DEVICE(UNROLLING_FACTOR, int, 0, ++i;);
assert(i == 0);
DUFFS_DEVICE(UNROLLING_FACTOR, int, N, ++i;);
assert(i == N);
return 0;