initial commit, 4.5 stable

thirdparty/misc/pcg.h

@@ -0,0 +1,16 @@
+// *Really* minimal PCG32 code / (c) 2014 M.E. O'Neill / pcg-random.org
+// Licensed under Apache License 2.0 (NO WARRANTY, etc. see website)
+
+#ifndef RANDOM_H
+#define RANDOM_H
+
+#include "core/typedefs.h"
+
+#define PCG_DEFAULT_INC_64 1442695040888963407ULL
+
+typedef struct { uint64_t state;  uint64_t inc; } pcg32_random_t;
+uint32_t pcg32_random_r(pcg32_random_t* rng);
+void pcg32_srandom_r(pcg32_random_t* rng, uint64_t initstate, uint64_t initseq);
+uint32_t pcg32_boundedrand_r(pcg32_random_t* rng, uint32_t bound);
+
+#endif // RANDOM_H