kc3-lang/libtommath/mp_get_double.c

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• Hash : 1cc289d2
  Author :
  Date : 2019-11-09T20:23:03
  

  better use of mp_isneg() and mp_iszero()

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• mp_get_double.c

• #include "tommath_private.h"
  #ifdef MP_GET_DOUBLE_C
  /* LibTomMath, multiple-precision integer library -- Tom St Denis */
  /* SPDX-License-Identifier: Unlicense */
  
  double mp_get_double(const mp_int *a)
  {
     int i;
     double d = 0.0, fac = 1.0;
     for (i = 0; i < MP_DIGIT_BIT; ++i) {
        fac *= 2.0;
     }
     for (i = a->used; i --> 0;) {
        d = (d * fac) + (double)a->dp[i];
     }
     return mp_isneg(a) ? -d : d;
  }
  #endif
  

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