OpenCAEPoro
v0.5.0
A simulator for multicomponent porous media flow
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Operations about small dense mat. More...
#include <algorithm>
#include <iomanip>
#include <iostream>
#include <string>
Go to the source code of this file.
Functions | |
void | dscal_ (const int *n, const double *alpha, double *x, const int *incx) |
Scales a vector by a constant. | |
double | ddot_ (const int *n, double *a, const int *inca, double *b, const int *incb) |
Forms the dot product of two vectors. | |
int | dcopy_ (const int *n, const double *src, const int *incx, double *dst, const int *incy) |
Copies a vector, src, to a vector, dst. | |
int | daxpy_ (const int *n, const double *alpha, const double *x, const int *incx, double *y, const int *incy) |
Constant times a vector plus a vector. | |
double | dnrm2_ (const int *n, double *x, const int *incx) |
Computes the Euclidean norm of a vector. | |
double | dasum_ (const int *n, double *x, const int *incx) |
Computes the sum of the absolute values of a vector. | |
int | idamax_ (const int *n, double *x, const int *incx) |
Finds the index of element having max absolute value. | |
int | dgemm_ (const char *transa, const char *transb, const int *m, const int *n, const int *k, const double *alpha, const double *A, const int *lda, const double *B, const int *ldb, const double *beta, double *C, const int *ldc) |
Performs matrix-matrix operations C : = alpha * op(A) * op(B) + beta * C. | |
int | dgesv_ (const int *n, const int *nrhs, double *A, const int *lda, int *ipiv, double *b, const int *ldb, int *info) |
Computes the solution to system of linear equations A * X = B for general matrices. | |
int | dsysv_ (const char *uplo, const int *n, const int *nrhs, double *A, const int *lda, int *ipiv, double *b, const int *ldb, double *work, const int *lwork, int *info) |
Computes the solution to system of linear equations A * X = B for symm matrices. | |
int | ssyevd_ (char *jobz, char *uplo, const int *n, float *A, const int *lda, float *w, float *work, const int *lwork, int *iwork, const int *liwork, int *info) |
void | CalEigenSY (const int &N, float *A, float *w, float *work, const int &lwork) |
Calculate the minimal eigenvalue for symmetric matrix with mkl lapack. | |
void | Dcopy (const int &N, double *dst, const double *src) |
Calculate the minimal eigenvalue for symmetric matrix with mkl lapack. More... | |
double | Ddot (int n, double *a, double *b) |
Dot product of two double vectors stored as pointers. | |
double | Dnorm1 (const int &N, double *x) |
Computes the L1-norm of a vector. | |
double | Dnorm2 (const int &N, double *x) |
Computes the L2-norm of a vector. | |
void | Dscalar (const int &n, const double &alpha, double *x) |
Scales a vector by a constant. | |
void | Daxpy (const int &n, const double &alpha, const double *x, double *y) |
Constant times a vector plus a vector. | |
void | DaABpbC (const int &m, const int &n, const int &k, const double &alpha, const double *A, const double *B, const double &beta, double *C) |
Computes C' = alpha B'A' + beta C', all matrices are column-major. | |
void | myDABpC (const int &m, const int &n, const int &k, const double *A, const double *B, double *C) |
void | myDABpCp (const int &m, const int &n, const int &k, const double *A, const double *B, double *C, const int *flag, const int N) |
void | myDABpCp1 (const int &m, const int &n, const int &k, const double *A, const double *B, double *C, const int *flag, const int N) |
void | myDABpCp2 (const int &m, const int &n, const int &k, const double *A, const double *B, double *C, const int *flag, const int N) |
void | DaAxpby (const int &m, const int &n, const double &a, const double *A, const double *x, const double &b, double *y) |
Computes y = a A x + b y. | |
void | LUSolve (const int &nrhs, const int &N, double *A, double *b, int *pivot) |
Calls dgesv to solve the linear system for general matrices. | |
int | SYSSolve (const int &nrhs, const char *uplo, const int &N, double *A, double *b, int *pivot, double *work, const int &lwork) |
Calls dsysy to solve the linear system for symm matrices. | |
template<typename T > | |
void | PrintDX (const int &N, const T *x) |
Prints a vector. | |
template<typename T > | |
bool | CheckNan (const int &N, const T *x) |
check NaN | |
Operations about small dense mat.
Copyright (C) 2021–present by the OpenCAEPoro team. All rights reserved.
Definition in file DenseMat.hpp.
void Dcopy | ( | const int & | N, |
double * | dst, | ||
const double * | src | ||
) |
Calculate the minimal eigenvalue for symmetric matrix with mkl lapack.
Copy a double vector from src to dst.
Definition at line 36 of file DenseMat.cpp.
References dcopy_().
int ssyevd_ | ( | char * | jobz, |
char * | uplo, | ||
const int * | n, | ||
float * | A, | ||
const int * | lda, | ||
float * | w, | ||
float * | work, | ||
const int * | lwork, | ||
int * | iwork, | ||
const int * | liwork, | ||
int * | info | ||
) |
Computes the eigenvalues and, optionally, the leftand /or right eigenvectors for SY matrices