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-rw-r--r--attic/int-hash.cpp37
1 files changed, 0 insertions, 37 deletions
diff --git a/attic/int-hash.cpp b/attic/int-hash.cpp
deleted file mode 100644
index 00f2e474..00000000
--- a/attic/int-hash.cpp
+++ /dev/null
@@ -1,37 +0,0 @@
-#include "int-hash.hpp"
-#include <bit>
-
-namespace floormat {
-
-size_t int_hash(uint32_t x) noexcept
-{
- if constexpr(sizeof(size_t) == 4)
- {
- // by Chris Wellons <https://nullprogram.com/blog/2018/07/31/>
-
- x ^= x >> 15;
- x *= 0x2c1b3c6dU;
- x ^= x >> 12;
- x *= 0x297a2d39U;
- x ^= x >> 15;
-
- return x;
- }
- else
- return int_hash(uint64_t(x));
-}
-
-size_t int_hash(uint64_t x) noexcept
-{
- // NASAM by Pelle Evensen <https://mostlymangling.blogspot.com/2020/01/nasam-not-another-strange-acronym-mixer.html>
-
- x ^= std::rotr(x, 25) ^ std::rotr(x, 47);
- x *= 0x9E6C63D0676A9A99UL;
- x ^= x >> 23 ^ x >> 51;
- x *= 0x9E6D62D06F6A9A9BUL;
- x ^= x >> 23 ^ x >> 51;
-
- return x;
-}
-
-} // namespace floormat