kc3-lang/libtommath/s_mp_log_pow2.c

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• Hash : 87b4e517
  Author :
  Date : 2019-10-23T09:06:04
  

  move out s_mp_log_pow2, fix limitation of base

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• s_mp_log_pow2.c

• #include "tommath_private.h"
  #ifdef S_MP_LOG_POW2_C
  /* LibTomMath, multiple-precision integer library -- Tom St Denis */
  /* SPDX-License-Identifier: Unlicense */
  
  uint32_t s_mp_log_pow2(const mp_int *a, uint32_t base)
  {
     int y;
     for (y = 0; (base & 1u) == 0u; y++, base >>= 1) {}
     return (uint32_t)((mp_count_bits(a) - 1) / y);
  }
  #endif
  

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