Matt McCutchen's Web Site / bigint / bigint.git / blame
| Commit | Line | Data |
|---|---|---|
| 05780f4b MM |
1 | /* |
| 2 | * Matt McCutchen's Big Integer Library | |
| 3 | * http://mysite.verizon.net/mccutchen/bigint/ | |
| 4 | */ | |
| 5 | ||
| 6 | #ifndef BIGINTEGERUTILS | |
| 7 | #define BIGINTEGERUTILS | |
| 8 | ||
| 9 | #include "BigInteger.hh" | |
| 10 | #include <string> | |
| 11 | #include <iostream> | |
| 12 | ||
| 13 | /* | |
| 14 | * This file includes: | |
| 15 | * (1) `std::string <=> BigUnsigned/BigInteger' conversion routines easier than `BigUnsignedInABase' | |
| 16 | * (2) << and >> operators for BigUnsigned/BigInteger, std::istream/std::ostream | |
| 17 | */ | |
| 18 | ||
| 19 | // Conversion routines. Base 10 only. | |
| 20 | std::string easyBUtoString(const BigUnsigned &x); | |
| 21 | std::string easyBItoString(const BigInteger &x); | |
| 22 | BigUnsigned easyStringToBU(const std::string &s); | |
| 23 | BigInteger easyStringToBI(const std::string &s); | |
| 24 | ||
| 25 | // Outputs x to os, obeying the flags `dec', `hex', `bin', and `showbase'. | |
| 26 | std::ostream &operator <<(std::ostream &os, const BigUnsigned &x); | |
| 27 | ||
| 28 | // Outputs x to os, obeying the flags `dec', `hex', `bin', and `showbase'. | |
| 29 | // My somewhat arbitrary policy: a negative sign comes before a base indicator (like -0xFF). | |
| 30 | std::ostream &operator <<(std::ostream &os, const BigInteger &x); | |
| 31 | ||
| 32 | #endif |