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Update src/seraphis_crypto/sp_crypto_utils.cpp

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Co-authored-by: Jeffro <jeffreyryan@tutanota.com>
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UkoeHB 2024-02-22 16:33:28 -06:00 committed by GitHub
parent 1d3211fca5
commit 467211a5ad
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GPG key ID: B5690EEEBB952194
1 changed files with 2 additions and 4 deletions
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src/seraphis_crypto/sp_crypto_utils.cpp
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@ -136,16 +136,14 @@ rct::key invert(const rct::key &x)
void decompose(const std::size_t val, const std::size_t base, const std::size_t size, std::vector<std::size_t> &r_out) void decompose(const std::size_t val, const std::size_t base, const std::size_t size, std::vector<std::size_t> &r_out)
{ {
CHECK_AND_ASSERT_THROW_MES(base > 1, "Bad decomposition parameters!"); CHECK_AND_ASSERT_THROW_MES(base > 1, "Bad decomposition parameters!");
CHECK_AND_ASSERT_THROW_MES(size > 0, "Bad decomposition parameters!");
CHECK_AND_ASSERT_THROW_MES(r_out.size() == size, "Bad decomposition result vector size!"); CHECK_AND_ASSERT_THROW_MES(r_out.size() == size, "Bad decomposition result vector size!");
std::size_t temp = val; std::size_t temp = val;
for (std::size_t i = 0; i < size; ++i) for (std::size_t i = 0; i < size; ++i)
{ {
std::size_t slot = std::pow(base, size - i - 1); r_out[i] = temp % base;
r_out[size - i - 1] = temp/slot; temp /= base;
temp -= slot*r_out[size - i - 1];
} }
} }
//------------------------------------------------------------------------------------------------------------------- //-------------------------------------------------------------------------------------------------------------------