mirror of https://github.com/zcash/orchard.git
move two_pow_245 next to other useful constants
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@ -71,6 +71,7 @@ impl CommitIvkChip {
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let two_pow_4 = pallas::Base::from(1 << 4);
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let two_pow_5 = pallas::Base::from(1 << 5);
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let two_pow_9 = two_pow_4 * two_pow_5;
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let two_pow_245 = pallas::Base::from(1 << 49).pow([5, 0, 0, 0]);
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let two_pow_250 = pallas::Base::from_u128(1 << 125).square();
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let two_pow_254 = two_pow_250 * two_pow_4;
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@ -119,8 +120,6 @@ impl CommitIvkChip {
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// Check that nk = b_2 (5 bits) || c (240 bits) || d_0 (9 bits) || d_1 (1 bit)
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let nk_decomposition_check = {
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let two_pow_245 = pallas::Base::from(1 << 49).pow([5, 0, 0, 0]);
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b_2.clone()
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+ c.clone() * two_pow_5
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+ d_0.clone() * two_pow_245
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