Define basic type aliases and useful functions/macros for use throughout the system

src/base.hpp

@@ -0,0 +1,53 @@
+/* base.hpp: Basic definitions
+ * Created: 2025-11-27
+ * Author: Aryadev Chavali
+ * License: See end of file
+ * Commentary:
+ */
+
+#ifndef BASE_HPP
+#define BASE_HPP
+
+#include <cassert>
+#include <cstdint>
+#include <optional>
+
+#define MIN(A, B) ((A) < (B) ? (A) : (B))
+#define MAX(A, B) ((B) < (A) ? (A) : (B))
+
+using u8  = uint8_t;
+using u16 = uint16_t;
+using u32 = uint32_t;
+using u64 = uint64_t;
+
+using i8  = int8_t;
+using i16 = int16_t;
+using i32 = int32_t;
+using i64 = int64_t;
+
+static_assert(sizeof(float) == 4, "f32 requires 4 byte floats");
+static_assert(sizeof(double) == 8, "f64 requires 8 byte doubles");
+using f32 = float;
+using f64 = double;
+
+using index_t = i64;
+
+inline bool index_has_value(index_t i)
+{
+  return i >= 0;
+}
+
+#endif
+
+/* Copyright (C) 2025 Aryadev Chavali
+
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License Version 2 for
+ * details.
+
+ * You may distribute and modify this code under the terms of the GNU General
+ * Public License Version 2, which you should have received a copy of along with
+ * this program.  If not, please go to <https://www.gnu.org/licenses/>.
+
+ */