[feat] add decompose_le
to RangeInstructions
#221
Merged
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A common operation is to decompose a number (especially a BigUint) into smaller limbs (synonyms: digits, registers). For example BigUint into
u64
limbs, BigUint into bytes, etc.This is how
range_check
internally works, but we never exposed a general API function for it, so here it is.