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Add support for 32bit systems by falling back to std::unordered_map #56

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May 27, 2024
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Add support for 32bit systems by falling back to std::unordered_map #56

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12 changes: 10 additions & 2 deletions include/SZ3/encoder/HuffmanEncoder.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,10 @@
#include "SZ3/utils/ByteUtil.hpp"
#include "SZ3/utils/MemoryUtil.hpp"
#include "SZ3/utils/Timer.hpp"
#include "SZ3/utils/ska_hash/unordered_map.hpp"
#include <cstdint>
#if INTPTR_MAX == INT64_MAX // 64bit system
#include "SZ3/utils/ska_hash/unordered_map.hpp"
#endif // INTPTR_MAX == INT64_MAX
#include <cassert>
#include <cstdlib>
#include <cstring>
Expand Down Expand Up @@ -525,7 +528,12 @@ namespace SZ3 {
T max = s[0];
offset = s[0]; //offset is min

ska::unordered_map<T, size_t> frequency;
#if INTPTR_MAX == INT64_MAX // 64bit system
ska::unordered_map<T, size_t> frequency;
#else // most likely 32bit system
std::unordered_map<T, size_t> frequency;
#endif // INTPTR_MAX == INT64_MAX

for (size_t i = 0; i < length; i++) {
frequency[s[i]]++;
}
Expand Down