readd include dir

2012-11-15 17:30:40 +01:00
parent 1d47f9d078
commit 4dca24953f
23 changed files with 2341 additions and 0 deletions
@@ -0,0 +1,39 @@
+#ifndef UCORE_MATH_H_
+#define UCORE_MATH_H_
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+uint32_t 
+uc_gcd_32(uint32_t a, uint32_t b);
+
+uint64_t 
+uc_gcd_64(uint64_t a, uint64_t b);
+
+uint32_t 
+uc_phi_32(uint32_t N);
+
+uint64_t 
+uc_phi_64(uint64_t N);
+
+static inline uint32_t
+uc_nextpow2(uint32_t x)
+{
+	x--;
+	x |= x >> 1;
+	x |= x >> 2;
+	x |= x >> 4;
+	x |= x >> 8;
+	x |= x >> 16;
+	x++;
+	
+	return x;
+}
+
+#ifdef __cplusplus
+}
+#endif
+#endif