Macaulay2 Engine
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Lapack Class Reference

Static-method namespace bridging the engine's RR / CC / RRR / CCC dense matrices and LAPACK / BLAS routines. More...

#include <lapack.hpp>

Public Types

typedef DMat< M2::ARingRRDMatRR
typedef DMat< M2::ARingCCDMatCC

Static Public Member Functions

static M2_arrayintOrNull LU (const DMatRRR *A, DMatRRR *L, DMatRRR *U)
static bool solve_triangular (const DMatRRR *U, const DMatRRR *b, DMatRRR *x)
static bool solve (const DMatRRR *A, const DMatRRR *b, DMatRRR *x)
static bool eigenvalues (const DMatRRR *A, DMatCCC *eigenvals)
static bool eigenvectors (const DMatRRR *A, DMatCCC *eigenvals, DMatCCC *eigenvecs)
static bool eigenvalues_symmetric (const DMatRRR *A, DMatRRR *eigenvals)
static bool eigenvectors_symmetric (const DMatRRR *A, DMatRRR *eigenvals, DMatRRR *eigenvecs)
static bool SVD (const DMatRRR *A, DMatRRR *Sigma, DMatRRR *U, DMatRRR *VT)
static bool SVD_divide_conquer (const DMatRRR *A, DMatRRR *Sigma, DMatRRR *U, DMatRRR *VT)
static bool least_squares (const DMatRRR *A, const DMatRRR *b, DMatRRR *x)
static bool least_squares_deficient (const DMatRRR *A, const DMatRRR *b, DMatRRR *x)
static M2_arrayintOrNull LU (const DMatCCC *A, DMatCCC *L, DMatCCC *U)
static bool solve (const DMatCCC *A, const DMatCCC *b, DMatCCC *x)
static bool eigenvalues (const DMatCCC *A, DMatCCC *eigenvals)
static bool eigenvectors (const DMatCCC *A, DMatCCC *eigenvals, DMatCCC *eigenvecs)
static bool eigenvalues_hermitian (const DMatCCC *A, DMatRRR *eigenvals)
static bool eigenvectors_hermitian (const DMatCCC *A, DMatRRR *eigenvals, DMatCCC *eigenvecs)
static bool SVD (const DMatCCC *A, DMatRRR *Sigma, DMatCCC *U, DMatCCC *VT)
static bool SVD_divide_conquer (const DMatCCC *A, DMatRRR *Sigma, DMatCCC *U, DMatCCC *VT)
static bool least_squares (const DMatCCC *A, const DMatCCC *b, DMatCCC *x)
static bool least_squares_deficient (const DMatCCC *A, const DMatCCC *b, DMatCCC *x)
static M2_arrayintOrNull LU (const DMatRR *A, DMatRR *L, DMatRR *U)
static bool solve (const DMatRR *A, const DMatRR *b, DMatRR *x)
static bool eigenvalues (const DMatRR *A, DMatCC *eigenvals)
static bool eigenvectors (const DMatRR *A, DMatCC *eigenvals, DMatCC *eigenvecs)
static bool eigenvalues_symmetric (const DMatRR *A, DMatRR *eigenvals)
static bool eigenvectors_symmetric (const DMatRR *A, DMatRR *eigenvals, DMatRR *eigenvecs)
static bool SVD (const DMatRR *A, DMatRR *Sigma, DMatRR *U, DMatRR *VT)
static bool SVD_divide_conquer (const DMatRR *A, DMatRR *Sigma, DMatRR *U, DMatRR *VT)
static bool least_squares (const DMatRR *A, const DMatRR *b, DMatRR *x)
static bool least_squares_deficient (const DMatRR *A, const DMatRR *b, DMatRR *x)
static bool QR (const DMatRR *A, DMatRR *Q, DMatRR *R, bool return_QR)
static M2_arrayintOrNull LU (const DMatCC *A, DMatCC *L, DMatCC *U)
static bool solve (const DMatCC *A, const DMatCC *b, DMatCC *x)
static bool eigenvalues (const DMatCC *A, DMatCC *eigenvals)
static bool eigenvectors (const DMatCC *A, DMatCC *eigenvals, DMatCC *eigenvecs)
static bool eigenvalues_hermitian (const DMatCC *A, DMatRR *eigenvals)
static bool eigenvectors_hermitian (const DMatCC *A, DMatRR *eigenvals, DMatCC *eigenvecs)
static bool SVD (const DMatCC *A, DMatRR *Sigma, DMatCC *U, DMatCC *VT)
static bool SVD_divide_conquer (const DMatCC *A, DMatRR *Sigma, DMatCC *U, DMatCC *VT)
static bool least_squares (const DMatCC *A, const DMatCC *b, DMatCC *x)
static bool least_squares_deficient (const DMatCC *A, const DMatCC *b, DMatCC *x)
static bool QR (const DMatCC *A, DMatCC *Q, DMatCC *R, bool return_QR)
static void freeRaw (__mpfr_struct *start, int size)

Detailed Description

Static-method namespace bridging the engine's RR / CC / RRR / CCC dense matrices and LAPACK / BLAS routines.

Note
AI-generated documentation. Verify against the source before relying on it.

The class holds no state; every method is static. Bundles matrix translators (to the column-major scratch buffers LAPACK expects) plus the high-level entry points (solve, LU, eigenvalues, eigenvectors, SVD, least_squares, ...) that the engine exposes to the front end for numerical linear algebra over floating-point and MPFR-backed rings.

Definition at line 452 of file lapack.hpp.


The documentation for this class was generated from the following files: