Initial commit

Signed-off-by: Slendi <slendi@socopon.com>

examples/tour.cpp

@@ -0,0 +1,66 @@
+/* Copyright 2025 Slendi <slendi@socopon.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <print>
+
+// #define SMATH_IMPLICIT_CONVERSIONS
+
+#include <smath.hpp>
+
+int main() {
+  using namespace smath;
+  Vec3 v{1, 2, 3};
+  std::println("v: {}", v);
+  auto v2 = swizzle<"zyx">(v);
+  std::println("v2: {}", v2);
+  std::println("+: {}", v + v2);
+  std::println("-: {}", v - v2);
+  std::println("*: {}", v * v2);
+  std::println("/: {}", v / v2);
+  std::println("dot: {}", v.dot(v2));
+  std::println("rrggbb: {}", swizzle<"rrggbb">(v));
+  std::println("Magnitude: {}", v.magnitude());
+  std::println("Normalized: {}", v.normalized());
+  std::println("(alias) Unit: {}", v.unit());
+  std::println("(alias) Normalize: {}", v.normalize());
+  std::println("(alias) Length: {}", v.length());
+  std::println("std::get<1>(v): {}", std::get<1>(v));
+  auto [x, y, z] = v;
+  std::println("Bindings: [{}, {}, {}]", x, y, z);
+
+  // Let's mix and match!
+  Vec<6> v3(v, 7, swizzle<"zy">(v2));
+  std::println("{{v, 7, XZ(v2)}}: {}", v3);
+
+  // Scalar operations
+  std::println("v + 3: {}", v + 3);
+  std::println("v - 3: {}", v - 3);
+  std::println("v * 3: {}", v * 3);
+  std::println("v / 3: {}", v / 3);
+
+  std::println("3 + v: {}", 3 + v);
+  std::println("3 - v: {}", 3 - v);
+  std::println("3 * v: {}", 3 * v);
+  std::println("3 / v: {}", 3 / v);
+
+  // Casting
+  auto v4 = static_cast<Vec3d>(v);
+#ifdef SMATH_IMPLICIT_CONVERSIONS
+  Vec3d v5 = v;
+#else
+  Vec3d v5 = static_cast<Vec3d>(v);
+#endif // SMATH_IMPLICIT_CONVERSIONS
+  std::println("Are v4 and v5 same? {}", v4 == v5);
+}