Hash :
795cd201
Author :
Date :
2019-10-29T21:48:50
simplifications: add s_mp_zero_(digs|buf) and s_mp_copy_digs Originally I made those as macros. However we have many other small functions like mp_clamp, mp_exch which are also not implemented as macros right now. If we would use c99, I would implement them as private static inline functions. And mp_exch would be a public static inline function. But since we are bound to c89, we simply use normal functions. To achieve optimal performance one should either use link time optimization or amalgamation.
#include "tommath_private.h"
#ifdef S_MP_COPY_DIGS_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
#ifdef MP_USE_MEMOPS
# include <string.h>
#endif
void s_mp_copy_digs(mp_digit *d, const mp_digit *s, int digits)
{
#ifdef MP_USE_MEMOPS
if (digits > 0) {
memcpy(d, s, (size_t)digits * sizeof(mp_digit));
}
#else
while (digits-- > 0) {
*d++ = *s++;
}
#endif
}
#endif