kerep-headers

kerep-headers/random/xoshiro/64bitValue/xoshiro256.h

@@ -0,0 +1,39 @@
+#pragma once
+
+#if __cplusplus
+extern "C" {
+#endif
+
+#include "../../../base/std.h"
+#include "../../splitmix64/splitmix64.h"
+
+
+typedef union {
+    u64 s[4];
+} xoshiro256_state;
+typedef void* xoshiro256_statePtr;
+
+xoshiro256_statePtr xoshiro256_init(u64 seed);
+#define xoshiro256plus_init xoshiro256_init
+#define xoshiro256plusplus_init xoshiro256_init
+#define xoshiro256starstar_init xoshiro256_init
+
+static inline xoshiro256_statePtr xoshiro256_initFromTime(void) { return xoshiro256_init(time(NULL)); }
+#define xoshiro256plus_initFromTime xoshiro256_initFromTime
+#define xoshiro256plusplus_initFromTime xoshiro256_initFromTime
+#define xoshiro256starstar_initFromTime xoshiro256_initFromTime
+
+u64 xoshiro256plus_next(xoshiro256_statePtr);
+u64 xoshiro256plusplus_next(xoshiro256_statePtr);
+u64 xoshiro256starstar_next(xoshiro256_statePtr);
+
+static inline void xoshiro256_free(xoshiro256_statePtr state) {
+    free(state); 
+}
+#define xoshiro256plus_free xoshiro256_free
+#define xoshiro256plusplus_free xoshiro256_free
+#define xoshiro256starstar_free xoshiro256_free
+
+#if __cplusplus
+}
+#endif