#include "tommath_private.h" #ifdef BN_MP_GET_DOUBLE_C /* LibTomMath, multiple-precision integer library -- Tom St Denis * * LibTomMath is a library that provides multiple-precision * integer arithmetic as well as number theoretic functionality. * * The library was designed directly after the MPI library by * Michael Fromberger but has been written from scratch with * additional optimizations in place. * * 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 < DIGIT_BIT; ++i) { fac *= 2.0; } for (i = USED(a); i --> 0;) { d = (d * fac) + (double)DIGIT(a, i); } return (mp_isneg(a) != MP_NO) ? -d : d; } #endif /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */