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27 lines
586 B
27 lines
586 B
2 years ago
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/*
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* Copyright(C) 1999-2020 National Technology & Engineering Solutions
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* of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with
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* NTESS, the U.S. Government retains certain rights in this software.
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*
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* See packages/seacas/LICENSE for details
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*/
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/* Compute the binary reflected Gray code of a value. */
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int gray(int i) { return ((i >> 1) ^ i); }
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/* Compute the inverse of the binary reflected Gray code of a value. */
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/*
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int invgray(i)
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int i;
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{
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int k;
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k = i;
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while (k) {
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k >>= 1;
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i ^= k;
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}
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return (i);
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}
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*/
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