f77lapack.H File Reference

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Detailed Description

forward declarations of fortran-77 functions from lapack

Definition in file f77lapack.H.

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BLAS level 2 functions (matrix-vector operations)
void	dgemv_ (char *trans, f77_integer *M, f77_integer *N, double *alpha, const double *A, f77_integer *lda, const double *dx, f77_integer *incx, double *beta, double *dy, f77_integer *incy)
	Double-precision GEneral Matrix Vector multiply (DGEMV).
void	sgemv_ (char *trans, f77_integer *M, f77_integer *N, float *alpha, const float *A, f77_integer *lda, const float *dx, f77_integer *incx, float *beta, float *dy, f77_integer *incy)
	Single-precision GEneral Matrix Vector multiply (SGEMV).
BLAS level 3 functions (matrix-matrix operations)
void	dgemm_ (char *transa, char *transb, f77_integer *m, f77_integer *n, f77_integer *k, double *alpha, const double *a, f77_integer *lda, const double *b, f77_integer *ldb, double *beta, double *c, f77_integer *ldc)
	Double-precision GEneral Matrix Matrix multiply (DGEMM).
void	sgemm_ (char *transa, char *transb, f77_integer *m, f77_integer *n, f77_integer *k, float *alpha, const float *a, f77_integer *lda, const float *b, f77_integer *ldb, float *beta, float *c, f77_integer *ldc)
	Single-precision GEneral Matrix Matrix multiply (SGEMM).
LAPACK functions (linear algebra operations)
void	dgesdd_ (char *jobz, f77_integer *m, f77_integer *n, double *a, f77_integer *lda, double *s, double *u, f77_integer *ldu, double *vt, f77_integer *ldvt, double *work, f77_integer *lwork, f77_integer *iwork, f77_integer *info)
	Double-precision GEneral matrix Singular value Decomposition using Divide-and-conquer (DGESDD).
void	sgesdd_ (char *jobz, f77_integer *m, f77_integer *n, float *a, f77_integer *lda, float *s, float *u, f77_integer *ldu, float *vt, f77_integer *ldvt, float *work, f77_integer *lwork, f77_integer *iwork, f77_integer *info)
	Single-precision GEneral matrix Singular value Decomposition using Divide-and-conquer (SGESDD).
Typedefs
typedef long int	f77_integer
Functions
void	dpotrf_ (char *UPLO, f77_integer *n, double *a, f77_integer *lda, f77_integer *info)
	double-precision Computes the Cholesky factorization of a symmetric

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Function Documentation

void dgemm_ (  char *  transa, char *  transb, f77_integer *  m, f77_integer *  n, f77_integer *  k, double *  alpha, const double *  a, f77_integer *  lda, const double *  b, f77_integer *  ldb, double *  beta, double *  c, f77_integer *  ldc )

Double-precision GEneral Matrix Matrix multiply (DGEMM). See http://www.netlib.org/blas/dgemm.f Referenced by lapack::dgemm().

void dgemv_ (  char *  trans, f77_integer *  M, f77_integer *  N, double *  alpha, const double *  A, f77_integer *  lda, const double *  dx, f77_integer *  incx, double *  beta, double *  dy, f77_integer *  incy )

Double-precision GEneral Matrix Vector multiply (DGEMV). See http://www.netlib.org/blas/dgemv.f Referenced by lapack::dgemv().

void dgesdd_ (  char *  jobz, f77_integer *  m, f77_integer *  n, double *  a, f77_integer *  lda, double *  s, double *  u, f77_integer *  ldu, double *  vt, f77_integer *  ldvt, double *  work, f77_integer *  lwork, f77_integer *  iwork, f77_integer *  info )

Double-precision GEneral matrix Singular value Decomposition using Divide-and-conquer (DGESDD). See http://www.netlib.org/lapack/double/dgesdd.f Note that this algorithm, based on divide-and-conquer, is expected to be substantially faster than the older DGESVD, which is based on QR-decomposition (see http://www.cs.berkeley.edu/~demmel/DOE2000/Report0100.html). Referenced by svd_lapack().

void dpotrf_ (  char *  UPLO, f77_integer *  n, double *  a, f77_integer *  lda, f77_integer *  info )

double-precision Computes the Cholesky factorization of a symmetric See http://www.netlib.org/lapack/double/sgesdd.f Referenced by lapack::dpotrf().

void sgemm_ (  char *  transa, char *  transb, f77_integer *  m, f77_integer *  n, f77_integer *  k, float *  alpha, const float *  a, f77_integer *  lda, const float *  b, f77_integer *  ldb, float *  beta, float *  c, f77_integer *  ldc )

Single-precision GEneral Matrix Matrix multiply (SGEMM). See http://www.netlib.org/blas/sgemm.f Referenced by lapack::sgemm().

void sgemv_ (  char *  trans, f77_integer *  M, f77_integer *  N, float *  alpha, const float *  A, f77_integer *  lda, const float *  dx, f77_integer *  incx, float *  beta, float *  dy, f77_integer *  incy )

Single-precision GEneral Matrix Vector multiply (SGEMV). See http://www.netlib.org/blas/sgemv.f Referenced by lapack::sgemv().

void sgesdd_ (  char *  jobz, f77_integer *  m, f77_integer *  n, float *  a, f77_integer *  lda, float *  s, float *  u, f77_integer *  ldu, float *  vt, f77_integer *  ldvt, float *  work, f77_integer *  lwork, f77_integer *  iwork, f77_integer *  info )

Single-precision GEneral matrix Singular value Decomposition using Divide-and-conquer (SGESDD). See http://www.netlib.org/lapack/double/sgesdd.f Referenced by svdf_lapack().

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