gb.hpp - Namespaced Types

1 files changed, 87 insertions, 0 deletions

diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..5ca3415
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,87 @@
+#include "../gb.hpp"
+
+struct Global_Allocators
+{
+	gb::Heap_Allocator heap = {};
+
+	gb::Allocator* default_allocator = &heap;
+};
+
+global Global_Allocators g_allocators;
+gb::Allocator& default_allocator()
+{
+	return *g_allocators.default_allocator;
+}
+
+int main(int argc, char** argv)
+{
+	// "Use" variables
+	argc; argv;
+
+	using namespace gb;
+
+	{
+		const u8 bytes[4] = {0x00, 0x20, 0xa7, 0x44};
+		f32 a = reinterpret_cast<const f32&>(bytes);
+		printf("%f\n", a);
+
+		const f32 f = 1337.0f;
+		u8* fb = (u8*)(&f);
+		printf("0x%x%x%x%x\n", fb[0], fb[1], fb[2], fb[3]);
+
+	}
+#if 1
+	{
+		auto table = make_hash_table<f32>(default_allocator());
+		hash_table::set(table, 123, 321.0f);
+		hash_table::set(table, 456, 654.0f);
+
+		#define PGET(key, d) printf("%7d : %7f \n", key, hash_table::get(table, (key), (f32)(d)))
+
+		PGET(123, 0);
+		PGET(456, 0);
+		PGET(789, 0);
+
+		#undef PGET
+
+	}
+
+	{
+		String hello = string::make(default_allocator(), "Hello");
+		String world = string::make(default_allocator(), ", world!", 8);
+		defer(string::free(hello));
+		defer(string::free(world));
+
+		string::append(hello, world);
+		printf("%s\n", hello);
+	}
+
+	for (u32 i = 0; i < 8; i++)
+	{
+		u64 bins[10] = {};
+		auto gen = random::make_mt19937_64(random::next(random::make_random_device()));
+
+		for (usize i = 0; i < 200000; i++)
+		{
+			u64 result = random::uniform_u64_distribution(gen, 0, 9);
+			bins[result]++;
+		}
+
+		for (usize i = 0; i < 10; i++)
+		{
+			printf("%2d : ", i);;
+			u32 a = (u32)(bins[i] / 1000);
+			for (u32 i = 0; i < a; i++)
+				printf("*");
+			printf("\n");
+		}
+
+		time_sleep(seconds(1));
+	}
+#endif
+	while (getchar() != '\n')
+		;
+
+
+	return 0;
+}