| … | |
… | |
| 759 | =item uint_fast64_t ecb_gray64_encode (uint_fast64_t b) |
759 | =item uint_fast64_t ecb_gray64_encode (uint_fast64_t b) |
| 760 | |
760 | |
| 761 | Encode an unsigned into its corresponding (reflective) gray code - the |
761 | Encode an unsigned into its corresponding (reflective) gray code - the |
| 762 | kind of gray code meant when just talking about "gray code". These |
762 | kind of gray code meant when just talking about "gray code". These |
| 763 | functions are very fast and all have identical implementation, so there is |
763 | functions are very fast and all have identical implementation, so there is |
| 764 | no need to use a smaller type, as long as your cpu can handle it natively. |
764 | no need to use a smaller type, as long as your CPU can handle it natively. |
| 765 | |
765 | |
| 766 | =item T ecb_gray_encode (T b) [C++] |
766 | =item T ecb_gray_encode (T b) [C++] |
| 767 | |
767 | |
| 768 | Overloaded C++ version of the above, for C<uint{8,16,32,64}_t>. |
768 | Overloaded C++ version of the above, for C<uint{8,16,32,64}_t>. |
| 769 | |
769 | |
| … | |
… | |
| 773 | |
773 | |
| 774 | =item uint_fast32_t ecb_gray32_decode (uint_fast32_t b) |
774 | =item uint_fast32_t ecb_gray32_decode (uint_fast32_t b) |
| 775 | |
775 | |
| 776 | =item uint_fast64_t ecb_gray64_decode (uint_fast64_t b) |
776 | =item uint_fast64_t ecb_gray64_decode (uint_fast64_t b) |
| 777 | |
777 | |
| 778 | Decode a gray code bakc into linear index form (the reverse of |
778 | Decode a gray code back into linear index form (the reverse of |
| 779 | C<ecb_gray*_encode>. Unlike the enode functions, the decode functions |
779 | C<ecb_gray*_encode>. Unlike the encode functions, the decode functions |
| 780 | have higher time complexity for larger types, so it cna pay off to use a |
780 | have higher time complexity for larger types, so it can pay off to use a |
| 781 | smaller type here. |
781 | smaller type here. |
| 782 | |
782 | |
| 783 | =item T ecb_gray_decode (T b) [C++] |
783 | =item T ecb_gray_decode (T b) [C++] |
| 784 | |
784 | |
| 785 | Overloaded C++ version of the above, for C<uint{8,16,32,64}_t>. |
785 | Overloaded C++ version of the above, for C<uint{8,16,32,64}_t>. |
