| … | |
… | |
| 893 | ecb_function_ uint_fast32_t ecb_gray32_encode (uint_fast32_t b) { return b ^ (b >> 1); } |
893 | ecb_function_ uint_fast32_t ecb_gray32_encode (uint_fast32_t b) { return b ^ (b >> 1); } |
| 894 | ecb_function_ uint_fast64_t ecb_gray64_encode (uint_fast64_t b) { return b ^ (b >> 1); } |
894 | ecb_function_ uint_fast64_t ecb_gray64_encode (uint_fast64_t b) { return b ^ (b >> 1); } |
| 895 | |
895 | |
| 896 | ecb_function_ uint8_t ecb_gray8_decode (uint8_t g) |
896 | ecb_function_ uint8_t ecb_gray8_decode (uint8_t g) |
| 897 | { |
897 | { |
| 898 | g = g ^ (g >> 1); |
898 | g ^= g >> 1; |
| 899 | g = g ^ (g >> 2); |
899 | g ^= g >> 2; |
| 900 | g = g ^ (g >> 4); |
900 | g ^= g >> 4; |
|
|
901 | |
| 901 | return g; |
902 | return g; |
| 902 | } |
903 | } |
| 903 | |
904 | |
| 904 | ecb_function_ uint16_t ecb_gray16_decode (uint16_t g) |
905 | ecb_function_ uint16_t ecb_gray16_decode (uint16_t g) |
| 905 | { |
906 | { |
| 906 | g = g ^ (g >> 1); |
907 | g ^= g >> 1; |
| 907 | g = g ^ (g >> 2); |
908 | g ^= g >> 2; |
| 908 | g = g ^ (g >> 4); |
909 | g ^= g >> 4; |
| 909 | g = g ^ (g >> 8); |
910 | g ^= g >> 8; |
|
|
911 | |
| 910 | return g; |
912 | return g; |
| 911 | } |
913 | } |
| 912 | |
914 | |
| 913 | ecb_function_ uint32_t ecb_gray32_decode (uint32_t g) |
915 | ecb_function_ uint32_t ecb_gray32_decode (uint32_t g) |
| 914 | { |
916 | { |
| 915 | g = g ^ (g >> 1); |
917 | g ^= g >> 1; |
| 916 | g = g ^ (g >> 2); |
918 | g ^= g >> 2; |
| 917 | g = g ^ (g >> 4); |
919 | g ^= g >> 4; |
| 918 | g = g ^ (g >> 8); |
920 | g ^= g >> 8; |
| 919 | g = g ^ (g >> 16); |
921 | g ^= g >> 16; |
|
|
922 | |
| 920 | return g; |
923 | return g; |
| 921 | } |
924 | } |
| 922 | |
925 | |
| 923 | ecb_function_ uint64_t ecb_gray64_decode (uint64_t g) |
926 | ecb_function_ uint64_t ecb_gray64_decode (uint64_t g) |
| 924 | { |
927 | { |
| 925 | g = g ^ (g >> 1); |
928 | g ^= g >> 1; |
| 926 | g = g ^ (g >> 2); |
929 | g ^= g >> 2; |
| 927 | g = g ^ (g >> 4); |
930 | g ^= g >> 4; |
| 928 | g = g ^ (g >> 8); |
931 | g ^= g >> 8; |
| 929 | g = g ^ (g >> 16); |
932 | g ^= g >> 16; |
| 930 | g = g ^ (g >> 32); |
933 | g ^= g >> 32; |
|
|
934 | |
| 931 | return g; |
935 | return g; |
| 932 | } |
936 | } |
| 933 | |
937 | |
| 934 | #if ECB_CPP |
938 | #if ECB_CPP |
| 935 | |
939 | |
