5 files changed, 80 insertions, 1 deletions
diff --git a/include/rodeo/math/mat4_t.h b/include/rodeo/math/mat4_t.h
index 2893444..e00656c 100644
--- a/include/rodeo/math/mat4_t.h
+++ b/include/rodeo/math/mat4_t.h
@@ -1,6 +1,5 @@
 #pragma once
 
-
 typedef
 struct
 {
diff --git a/include/rodeo/math/rng.h b/include/rodeo/math/rng.h
new file mode 100644
index 0000000..53f1f76
--- /dev/null
+++ b/include/rodeo/math/rng.h
@@ -0,0 +1,48 @@
+#pragma once
+
+// -- internal --
+#include "rodeo/math/rng_t.h"
+
+// -- system --
+#include <inttypes.h>
+
+void
+rodeo_math_rng_init(void);
+
+void
+rodeo_math_rng_deinit(void);
+
+rodeo_math_rng_generator_t
+rodeo_math_rng_generator_create(uint64_t seed);
+
+void
+rodeo_math_rng_generator_destroy(rodeo_math_rng_generator_t generator);
+
+double
+rodeo_math_rng_double_get(rodeo_math_rng_generator_t generator);
+
+#define irodeo_math_rng_double_get_default() rodeo_math_rng_double_get((rodeo_math_rng_generator_t){0})
+
+float
+rodeo_math_rng_float_get(rodeo_math_rng_generator_t generator);
+
+#define irodeo_math_rng_float_get_default() rodeo_math_rng_float_get((rodeo_math_rng_generator_t){0})
+
+uint64_t
+rodeo_math_rng_uint64_get(rodeo_math_rng_generator_t generator);
+
+#define irodeo_math_rng_uint64_get_default() rodeo_math_rng_uint64_get((rodeo_math_rng_generator_t){0})
+
+uint32_t
+rodeo_math_rng_uint32_get(rodeo_math_rng_generator_t generator);
+
+#define irodeo_math_rng_uint32_get_default() rodeo_math_rng_uint32_get((rodeo_math_rng_generator_t){0})
+
+#define									\
+mrodeo_math_rng_do(						\
+)										\
+	mrodeo_defer_do(					\
+		rodeo_math_rng_init(),	\
+		rodeo_math_rng_deinit()				\
+	)
+
diff --git a/include/rodeo/math/rng_t.h b/include/rodeo/math/rng_t.h
new file mode 100644
index 0000000..8c527ed
--- /dev/null
+++ b/include/rodeo/math/rng_t.h
@@ -0,0 +1,16 @@
+#pragma once
+
+// -- system --
+#include <inttypes.h>
+
+typedef struct irodeo_math_rng_generator irodeo_math_rng_generator_t;
+
+typedef
+struct
+{
+	// note: a seed value of '0' is reserved for when using the
+	// global seed is desired.
+	uint64_t seed;
+	irodeo_math_rng_generator_t *data;
+}
+rodeo_math_rng_generator_t;
diff --git a/include/rodeo/math/vec2_t.h b/include/rodeo/math/vec2_t.h
index 61b941e..22717c6 100644
--- a/include/rodeo/math/vec2_t.h
+++ b/include/rodeo/math/vec2_t.h
@@ -6,4 +6,12 @@ struct
 	float x;
 	float y;
 }
+rodeo_math_vec2_val_t;
+
+typedef
+union
+{
+	rodeo_math_vec2_val_t val;
+	float raw[2];
+}
 rodeo_math_vec2_t;
diff --git a/include/rodeo/math/vec3_t.h b/include/rodeo/math/vec3_t.h
index 711ad98..a3b3a36 100644
--- a/include/rodeo/math/vec3_t.h
+++ b/include/rodeo/math/vec3_t.h
@@ -7,4 +7,12 @@ struct
 	float y;
 	float z;
 }
+rodeo_math_vec3_val_t;
+
+typedef
+union
+{
+	rodeo_math_vec3_val_t val;
+	float raw[3];
+}
 rodeo_math_vec3_t;