19 lines
425 B
C
19 lines
425 B
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
|