#ifndef UC_MATH_H_
#define UC_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