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Merge pull request #3931 from mshabunin:fix-svm-train

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This commit is contained in:
Vadim Pisarevsky 2015-04-20 20:00:36 +00:00
commit b27467d9f9
1 changed files with 6 additions and 0 deletions
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6
modules/ml/src/svm.cpp
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@ -538,6 +538,8 @@ public:
{ {
kr.idx = cache_size; kr.idx = cache_size;
cache_size++; cache_size++;
if (!lru_last)
lru_last = i1+1;
} }
else else
{ {
@ -546,6 +548,8 @@ public:
last.idx = -1; last.idx = -1;
lru_cache[last.prev].next = 0; lru_cache[last.prev].next = 0;
lru_last = last.prev; lru_last = last.prev;
last.prev = 0;
last.next = 0;
} }
kernel->calc( sample_count, var_count, samples.ptr<float>(), kernel->calc( sample_count, var_count, samples.ptr<float>(),
samples.ptr<float>(i1), lru_cache_data.ptr<Qfloat>(kr.idx) ); samples.ptr<float>(i1), lru_cache_data.ptr<Qfloat>(kr.idx) );
@ -561,6 +565,8 @@ public:
else else
lru_first = kr.next; lru_first = kr.next;
} }
if (lru_first)
lru_cache[lru_first].prev = i1+1;
kr.next = lru_first; kr.next = lru_first;
kr.prev = 0; kr.prev = 0;
lru_first = i1+1; lru_first = i1+1;