/* Copyright 2005 Chris Thomasson */

#if ! defined(HELPER_H_INCLUDED)
#define HELPER_H_INCLUDED
#if defined(__cplusplus)
extern "C" {
#endif
#include <stddef.h> /* size_t, ptrdiff_t */
#include <assert.h>




#define ROUNDUP(mp_val, mp_rnd) \
  (((mp_val) % (mp_rnd)) ? (mp_val) + ((mp_rnd) - ((mp_val) \
    % (mp_rnd))) : (mp_val))

#define ROUNDDOWN(mp_val, mp_rnd) \
  (ROUNDUP((mp_val), (mp_rnd)) - (mp_rnd))

#define MEMALIGNSZ(mp_align) \
  (((size_t)(mp_align)) - 1)

#define MEMALIGNPTR(mp_base, mp_align) \
  ((void*)((((ptrdiff_t)(mp_base)) + MEMALIGNSZ(mp_align)) \
    & (-((ptrdiff_t)(mp_align)))))

#define MEMPADSZ(mp_sz, mp_pad) \
  (((size_t)(mp_pad)) - ((size_t)(mp_sz)))

#define TYPEPADSZ(mp_type, mp_pad) \
  (MEMPADSZ(sizeof(mp_type), (mp_pad)))




#if defined(__cplusplus)
}
#endif
#endif