12 lines
430 B
Plaintext
12 lines
430 B
Plaintext
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import "./unpack_unchecked.zok";
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from "field" import FIELD_SIZE_IN_BITS;
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from "EMBED" import bit_array_le;
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// Unpack a field element as N big endian bits
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def main<N>(field i) -> bool[N] {
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bool[N] res = unpack_unchecked(i);
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assert(N >= FIELD_SIZE_IN_BITS \
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? bit_array_le(res, [...[false; N - FIELD_SIZE_IN_BITS], ...unpack_unchecked::<FIELD_SIZE_IN_BITS>(-1)]) \
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: true);
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return res;
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}
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