13 lines
343 B
C
13 lines
343 B
C
#include "tommath_private.h"
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#ifdef S_MP_LOG_POW2_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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uint32_t s_mp_log_pow2(const mp_int *a, uint32_t base)
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{
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int y;
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for (y = 0; (base & 1u) == 0u; y++, base >>= 1) {}
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return (uint32_t)((mp_count_bits(a) - 1) / y);
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}
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#endif
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