/**************************************************************************\
MODULE: mat_ZZ_p
SUMMARY:
Defines the class mat_ZZ_p.
\**************************************************************************/
#include <NTL/matrix.h>
#include <NTL/vec_vec_ZZ_p.h>
typedef mat_ZZ_p mat_ZZ_p; // backward compatibility
void add(mat_ZZ_p& X, const mat_ZZ_p& A, const mat_ZZ_p& B);
// X = A + B
void sub(mat_ZZ_p& X, const mat_ZZ_p& A, const mat_ZZ_p& B);
// X = A - B
void negate(mat_ZZ_p& X, const mat_ZZ_p& A);
// X = - A
void mul(mat_ZZ_p& X, const mat_ZZ_p& A, const mat_ZZ_p& B);
// X = A * B
void mul(vec_ZZ_p& x, const mat_ZZ_p& A, const vec_ZZ_p& b);
// x = A * b
void mul(vec_ZZ_p& x, const vec_ZZ_p& a, const mat_ZZ_p& B);
// x = a * B
void mul(mat_ZZ_p& X, const mat_ZZ_p& A, const ZZ_p& b);
void mul(mat_ZZ_p& X, const mat_ZZ_p& A, long b);
// X = A * b
void mul(mat_ZZ_p& X, const ZZ_p& a, const mat_ZZ_p& B);
void mul(mat_ZZ_p& X, long a, const mat_ZZ_p& B);
// X = a * B
void determinant(ZZ_p& d, const mat_ZZ_p& A);
ZZ_p determinant(const mat_ZZ_p& a);
// d = determinant(A)
void transpose(mat_ZZ_p& X, const mat_ZZ_p& A);
mat_ZZ_p transpose(const mat_ZZ_p& A);
// X = transpose of A
void solve(ZZ_p& d, vec_ZZ_p& x, const mat_ZZ_p& A, const vec_ZZ_p& b);
// A is an n x n matrix, b is a length n vector. Computes d = determinant(A).
// If d != 0, solves x*A = b.
void solve(zz_p& d, const mat_zz_p& A, vec_zz_p& x, const vec_zz_p& b);
// A is an n x n matrix, b is a length n vector. Computes d = determinant(A).
// If d != 0, solves A*x = b (so x and b are treated as a column vectors).
void inv(ZZ_p& d, mat_ZZ_p& X, const mat_ZZ_p& A);
// A is an n x n matrix. Computes d = determinant(A). If d != 0,
// computes X = A^{-1}.
void sqr(mat_ZZ_p& X, const mat_ZZ_p& A);
mat_ZZ_p sqr(const mat_ZZ_p& A);
// X = A*A
void inv(mat_ZZ_p& X, const mat_ZZ_p& A);
mat_ZZ_p inv(const mat_ZZ_p& A);
// X = A^{-1}; error is raised if A is singular
void power(mat_ZZ_p& X, const mat_ZZ_p& A, const ZZ& e);
mat_ZZ_p power(const mat_ZZ_p& A, const ZZ& e);
void power(mat_ZZ_p& X, const mat_ZZ_p& A, long e);
mat_ZZ_p power(const mat_ZZ_p& A, long e);
// X = A^e; e may be negative (in which case A must be nonsingular).
void ident(mat_ZZ_p& X, long n);
mat_ZZ_p ident_mat_ZZ_p(long n);
// X = n x n identity matrix
long IsIdent(const mat_ZZ_p& A, long n);
// test if A is the n x n identity matrix
void diag(mat_ZZ_p& X, long n, const ZZ_p& d);
mat_ZZ_p diag(long n, const ZZ_p& d);
// X = n x n diagonal matrix with d on diagonal
long IsDiag(const mat_ZZ_p& A, long n, const ZZ_p& d);
// test if X is an n x n diagonal matrix with d on diagonal
long gauss(mat_ZZ_p& M);
long gauss(mat_ZZ_p& M, long w);
// Performs unitary row operations so as to bring M into row echelon
// form. If the optional argument w is supplied, stops when first w
// columns are in echelon form. The return value is the rank (or the
// rank of the first w columns).
void image(mat_ZZ_p& X, const mat_ZZ_p& A);
// The rows of X are computed as basis of A's row space. X is is row
// echelon form
void kernel(mat_ZZ_p& X, const mat_ZZ_p& A);
// Computes a basis for the kernel of the map x -> x*A. where x is a
// row vector.
// miscellaneous:
void clear(mat_ZZ_p& a);
// x = 0 (dimension unchanged)
long IsZero(const mat_ZZ_p& a);
// test if a is the zero matrix (any dimension)
// operator notation:
mat_ZZ_p operator+(const mat_ZZ_p& a, const mat_ZZ_p& b);
mat_ZZ_p operator-(const mat_ZZ_p& a, const mat_ZZ_p& b);
mat_ZZ_p operator*(const mat_ZZ_p& a, const mat_ZZ_p& b);
mat_ZZ_p operator-(const mat_ZZ_p& a);
// matrix/scalar multiplication:
mat_ZZ_p operator*(const mat_ZZ_p& a, const ZZ_p& b);
mat_ZZ_p operator*(const mat_ZZ_p& a, long b);
mat_ZZ_p operator*(const ZZ_p& a, const mat_ZZ_p& b);
mat_ZZ_p operator*(long a, const mat_ZZ_p& b);
// matrix/vector multiplication:
vec_ZZ_p operator*(const mat_ZZ_p& a, const vec_ZZ_p& b);
vec_ZZ_p operator*(const vec_ZZ_p& a, const mat_ZZ_p& b);
// assignment operator notation:
mat_ZZ_p& operator+=(mat_ZZ_p& x, const mat_ZZ_p& a);
mat_ZZ_p& operator-=(mat_ZZ_p& x, const mat_ZZ_p& a);
mat_ZZ_p& operator*=(mat_ZZ_p& x, const mat_ZZ_p& a);
mat_ZZ_p& operator*=(mat_ZZ_p& x, const ZZ_p& a);
mat_ZZ_p& operator*=(mat_ZZ_p& x, long a);
vec_ZZ_p& operator*=(vec_ZZ_p& x, const mat_ZZ_p& a);