20 lines
571 B
C
20 lines
571 B
C
#include "amplify_tommath_private.h"
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#ifdef AMPLIFY_BN_MP_GET_DOUBLE_C
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/* LibTomMath, multiple-precision integer library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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/* Modifications Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. */
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double amplify_mp_get_double(const amplify_mp_int *a)
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{
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int i;
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double d = 0.0, fac = 1.0;
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for (i = 0; i < AMPLIFY_MP_DIGIT_BIT; ++i) {
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fac *= 2.0;
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}
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for (i = a->used; i --> 0;) {
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d = (d * fac) + (double)a->dp[i];
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}
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return (a->sign == AMPLIFY_MP_NEG) ? -d : d;
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}
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#endif
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