exa/codecrypt
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header upgrades, item() shortcut

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Mirek Kratochvil 2012-04-01 20:52:31 +02:00
parent 10738598d9
commit dff9e91123
1 changed files with 17 additions and 1 deletions
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18
include/codecrypt.h
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@ -15,6 +15,10 @@ typedef unsigned int uint;
*/ */
class bvector : public std::vector<bool> class bvector : public std::vector<bool>
{ {
//STL wraparound, because writing (*this)[i] is clumsy
inline reference item (size_type n) {
return (*this) [n];
}
public: public:
uint hamming_weight(); uint hamming_weight();
}; };
@ -35,6 +39,9 @@ public:
*/ */
class matrix : public std::vector<bvector> class matrix : public std::vector<bvector>
{ {
inline reference item (size_type n) {
return (*this) [n];
}
public: public:
matrix operator* (const matrix&); matrix operator* (const matrix&);
@ -50,11 +57,16 @@ public:
*/ */
class permutation : public std::vector<uint> class permutation : public std::vector<uint>
{ {
inline reference item (size_type n) {
return (*this) [n];
}
public:
void compute_inversion (permutation&); void compute_inversion (permutation&);
void generate_random (uint n, prng&); void generate_random (uint n, prng&);
void permute (const bvector&, bvector&);
void permute (const matrix&, matrix&);
void permute_rows (const matrix&, matrix&); void permute_rows (const matrix&, matrix&);
void permute_cols (const matrix&, matrix&);
}; };
/* /*
@ -63,6 +75,10 @@ class permutation : public std::vector<uint>
*/ */
class polynomial : public bvector class polynomial : public bvector
{ {
inline reference item (size_type n) {
return (*this) [n];
}
public:
bool is_irreducible(); bool is_irreducible();
void generate_random_irreducible (uint n, prng&); void generate_random_irreducible (uint n, prng&);