🚧 additive metric

app/avalanche.cpp

@@ -0,0 +1,54 @@
+#include <iostream>
+#include <cstdint>
+#include <memory>
+
+#include "AvalancheTest.hpp"
+#include "HashFunction.hpp"
+#include "Operator.hpp"
+#include "XorLeftShift.hpp"
+#include "XorRightShift.hpp"
+#include "Multiply.hpp"
+#include "AddShift.hpp"
+#include "Masking.hpp"
+#include "Multiply.hpp"
+#include "log.h"
+
+
+int main()
+{
+    CLUTCHLOG(progress, "Set config");
+    clutchlog_config(); // common config
+    auto& log = clutchlog::logger();
+    log.threshold("XDebug");
+
+    // The size of the values to manipulate is 57 bits.
+    size_t value_size{32};
+    using myuint = uint32_t;
+
+    CLUTCHLOG(progress, "Try HashFunc");
+    // Create an instance of HashFunction with a value size of 64 bits
+    HashFunction<myuint> hashFunc(value_size, "hash");
+
+    // Add shift operators
+    hashFunc.add_operator(std::make_unique<XorRightShift<myuint>>(16, value_size));
+    hashFunc.add_operator(std::make_unique<Multiply<myuint>>(0x7feb352dU, value_size));
+    hashFunc.add_operator(std::make_unique<XorRightShift<myuint>>(15, value_size));
+    hashFunc.add_operator(std::make_unique<Multiply<myuint>>(0x846ca68bU, value_size));
+    hashFunc.add_operator(std::make_unique<XorRightShift<myuint>>(16, value_size));
+
+    CLUTCHLOG(note, "Complete with masks");
+    // Complete with masks if necessary
+    hashFunc.complete_with_masks();
+
+    // Print the string representation of the hash function
+    std::cout << hashFunc.to_string() << std::endl;
+
+    StrictAvalancheTest<myuint> strict_test{hashFunc};
+    CLUTCHLOG(progress, "Run SoftAvalancheTest");
+    for (size_t i = 0; i < 20; i++)
+    {
+        CLUTCHLOG(note, "     10 000 iterations:\t" << strict_test.run(value_size * 10000UL));
+    }
+
+    return 0;
+}