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Diffstat (limited to 'bigint48.h')
| -rw-r--r-- | bigint48.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/bigint48.h b/bigint48.h new file mode 100644 index 0000000..92b119b --- /dev/null +++ b/bigint48.h @@ -0,0 +1,31 @@ +/* bignum implementation for little-endian (LSB-first) 6-byte integers. + Only constants and the bignum/bugnump data types need + be defined here. See bignum.h for API. */ + +#define bignum(x) char x[6] +#define bignump char * + +/****** constants ******/ +/* zero */ +#define BIG_0 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } + +/* bank interest rate is 0.5%, or .005, or 1/200 */ +#define BIG_200 { 0xc8, 0x00, 0x00, 0x00, 0x00, 0x00 } + +/* bignum 100, used for score calculations in final_stats() */ +#define BIG_100 { 0x64, 0x00, 0x00, 0x00, 0x00, 0x00 } + +/* one thousand, one million, one billion, one trillion + used by cprintfancy_big() */ + +#define BIG_1K { 0xe8, 0x03, 0x00, 0x00, 0x00, 0x00 } + +#define BIG_1M { 0x40, 0x42, 0x0f, 0x00, 0x00, 0x00 } + +#define BIG_1B { 0x00, 0xca, 0x9a, 0x3b, 0x00, 0x00 } + +#define BIG_1T { 0x00, 0x10, 0xa5, 0xd4, 0xe8, 0x00 } + +/* max value for a ulong, 2**32-1 */ +#define BIG_MAX_ULONG { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } + |