| /* |
| * Machine dependent file used for conversion routines |
| * (e.g. atop, ptoa, itop, ptoi, etc) |
| */ |
| |
| /* |
| * For pXtop: (X = {i,u,l,ul,d}) |
| */ |
| #define INTSIZE 2 /* floor(log[Base](2*(MAXINT+1))) */ |
| #define LONGSIZE 2 /* floor(log[Base](2*(MAXLONG+1))) */ |
| #define DOUBLESIZE 129 /* double precision size = log[base](HUGE) */ |
| |
| /* |
| * For ptoX |
| */ |
| #define MAXINT (int) ((unsigned int) ~0 >> 1) |
| #define MAXLONG (long) ((unsigned long) ~0 >> 1) |
| #define MAXUNSIGNED (~ (unsigned int) 0) |
| #define MAXUNSIGNEDLONG (~ (unsigned long) 0L) |
| |
| #define MAXACC (~ (accumulator) 0) |
| |
| /* |
| * aBase - Ascii base (ptoa) |
| * There are aDigits Ascii digits per precision digit, pDigits. |
| * At least one of { aDigits, pDigits } <= (MAXINT / the maximum posit value). |
| */ |
| #define aDigits 525 /* aDigits/pDigits >~= log[aBase](Base) */ |
| #define pDigits 109 /* 525/109=4.8165>log[10](65536)=4.816479931 */ |
| #define aBase 10 /* string conversion base */ |
| #define aDigit 1000000000 /* must be power of aBase < MAXINT */ |
| #define aDigitLog 9 /* log[aBase] of aDigit */ |
