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Fix 0 limb size for value 0

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Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
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Gabor Mezei 2023-03-31 16:03:14 +02:00
parent e16a945421
commit 5ded38e0e1
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1 changed files with 2 additions and 1 deletions
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scripts/mbedtls_dev/bignum_common.py
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@ -68,7 +68,8 @@ def bound_mpi_limbs(limbs: int, bits_in_limb: int) -> int:
def limbs_mpi(val: int, bits_in_limb: int) -> int: def limbs_mpi(val: int, bits_in_limb: int) -> int:
"""Return the number of limbs required to store value.""" """Return the number of limbs required to store value."""
return (val.bit_length() + bits_in_limb - 1) // bits_in_limb bit_length = max(val.bit_length(), 1)
return (bit_length + bits_in_limb - 1) // bits_in_limb
def combination_pairs(values: List[T]) -> List[Tuple[T, T]]: def combination_pairs(values: List[T]) -> List[Tuple[T, T]]:
"""Return all pair combinations from input values.""" """Return all pair combinations from input values."""