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44 lines
1.3 KiB
44 lines
1.3 KiB
2 years ago
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#include <cstdint>
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#include <deque>
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using std::uint32_t;
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template<class T, bool minmax>
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void running(void *array, uint32_t len, uint32_t w){
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T* arr = static_cast<T*> (array);
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std::deque<std::pair<T, uint32_t>> cache;
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for(int i = 0; i < len; ++i){
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if(!cache.empty() && cache.front().second == i-w) cache.pop_front();
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if constexpr(minmax)
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while(!cache.empty() && cache.back().first>arr[i]) cache.pop_back();
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else
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while(!cache.empty() && cache.back().first<arr[i]) cache.pop_back();
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cache.push_back({arr[i], i});
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arr[i] = cache.front().first;
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}
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}
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template<class T>
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inline void mm(void *array, uint32_t len, uint32_t w, bool mm){
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mm? running<T, true>(array, len, w) : running<T, false>(array, len, w);
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}
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extern "C" {
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#include <stdio.h>
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int mmw(void *array, unsigned long long misc[]){
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char _ty = misc[0];
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uint32_t len = misc[1];
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uint32_t w = misc[2];
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bool minmax = misc[3]-0x10000;
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switch(_ty){
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case 'F': mm<double>(array, len, w, minmax); break;
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case 'C': case 'G': mm<unsigned char>(array, len, w, minmax); break;
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case 'H': mm<unsigned short>(array, len, w, minmax); break;
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case 'D': case 'I': mm<unsigned int>(array, len, w, minmax); break;
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case 'T': case 'J': mm<long long>(array, len, w, minmax); break;
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case 'L': if(len == 0) break;
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default: printf("nyi %c\n", _ty);
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}
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return 0;
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}
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}
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