Create hashes

.github/hashes

@@ -0,0 +1,149 @@
+cmake_minimum_required(VERSION 3.10)  
+project(YourProjectName)
+
+# ... (Your other CMake project settings)
+
+# Hash Validation Function
+function(validate_hash file algorithm expected_hash)
+  execute_process(
+    COMMAND ${algorithm} -q ${file}
+    OUTPUT_VARIABLE actual_hash
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+
+  if (NOT "${actual_hash}" STREQUAL "${expected_hash}")
+    message(FATAL_ERROR "Hash mismatch for ${file} (${algorithm})")
+  endif()
+endfunction()
+
+# Define Files and Hashes
+set(include_base_HXX
+  "DoubleTab.hxx"
+)
+
+set(HASHES
+  "DoubleTab.hxx" 
+  MD5 cdecf0b3a602259cadac104f69ddd636
+  SHA1 67f8568d4a36ea5d7144352c1331a92c04ed6f25
+  SHA256 19a7f22218ce09785ffb071788ccb643a008624c473762f13ea62e9574cb3e41
+)
+
+# Validate Hashes
+foreach(file IN LISTS include_base_HXX)
+  list(GET HASHES ${file}_MD5 md5_hash)
+  validate_hash(${file} md5sum ${md5_hash})
+
+  list(GET HASHES ${file}_SHA1 sha1_hash)
+  validate_hash(${file} sha1sum ${sha1_hash})
+
+  list(GET HASHES ${file}_SHA256 sha256_hash)
+  validate_hash(${file} sha256sum ${sha256_hash})
+endforeach()
+
+# Install Headers
+install(FILES ${include_base_HXX} DESTINATION include)
+ // ... (previous code)
+
+// Compound assignment operators (+=, -=, *=, /=)
+DoubleTab& DoubleTab::operator+=(const DoubleTab& dt) {
+    if (_numberOfElements != dt._numberOfElements) {
+        throw std::runtime_error("DoubleTabs must have the same size for addition");
+    }
+    for (int i = 0; i < _numberOfElements; ++i) {
+        _values[i] += dt._values[i];
+    }
+    return *this;
+}
+
+// (Similar implementations for -=, *=, and /=)
+
+// Binary arithmetic operators (+, -, *, /) - friend functions
+DoubleTab operator+(const DoubleTab& U, const DoubleTab& V) {
+    DoubleTab result(U);
+    result += V;
+    return result;
+}
+
+// (Similar implementations for -, *, and /)
+
+// Scalar multiplication operators (* and /) - friend functions
+DoubleTab operator*(double value, const DoubleTab& V) {
+    DoubleTab result(V);
+    result *= value;
+    return result;
+}
+
+DoubleTab operator*(const DoubleTab& U, double value) {
+    return value * U; // Utilize commutativity
+}
+
+// (Similar implementation for /)
+
+// Dot product operator (*) - friend function
+double operator*(const DoubleTab& U, const DoubleTab& V) {
+    if (U._numberOfElements != V._numberOfElements) {
+        throw std::runtime_error("DoubleTabs must have the same size for dot product");
+    }
+    double result = 0.0;
+    for (int i = 0; i < U._numberOfElements; ++i) {
+        result += U._values[i] * V._values[i];
+    }
+    return result;
+}
+
+// Output stream operator (<<) - friend function
+std::ostream& operator<<(std::ostream& out, const DoubleTab& U) {
+    out << "[";
+    for (int i = 0; i < U._numberOfElements; ++i) {
+        out << U._values[i];
+        if (i < U._numberOfElements - 1) {
+            out << ", ";
+        }
+    }
+    out << "]";
+    return out;
+}
+
+DoubleTab dt1(3, 2.5);  
+DoubleTab dt2(3, 1.0);
+
+DoubleTab dt3 = dt1 + dt2;
+std::cout << dt3 << std::endl; // Output: [3.5, 3.5, 3.5]
+
+dt1 *= 2.0;
+std::cout << dt1 << std::endl; // Output: [5, 5, 5]
+
+double dotProduct = dt1 * dt2;
+std::cout << dotProduct << std::endl; // Output: 15
+cmake_minimum_required(VERSION 3.10)
+project(YourProjectName)
+
+# ... (Your other CMake project settings)
+
+# Hash Validation Function (Same as before)
+function(validate_hash file algorithm expected_hash)
+  # ... (implementation)
+endfunction()
+
+# Define Files and Hashes (Update with DoubleTab.hxx hashes)
+set(include_base_HXX
+  "DoubleTab.hxx"
+)
+
+set(HASHES
+  "DoubleTab.hxx" 
+    MD5 cdecf0b3a602259cadac104f69ddd636
+    SHA1 67f8568d4a36ea5d7144352c1331a92c04ed6f25
+    SHA256 19a7f22218ce09785ffb071788ccb643a008624c473762f13ea62e9574cb3e41
+)
+
+# Validate Hashes (Same as before)
+foreach(file IN LISTS include_base_HXX)
+  # ... (implementation)
+endforeach()
+
+# Install Headers (Same as before)
+install(FILES ${include_base_HXX} DESTINATION include)
+md5sum DoubleTab.hxx
+sha1sum DoubleTab.hxx
+sha256sum DoubleTab.hxx