/* Kernel Independent Fast Multipole Method Copyright (C) 2004 Lexing Ying, New York University This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _SCTL_LAPACK_H_ #define _SCTL_LAPACK_H_ // EXTERN_C_BEGIN extern "C" { void sgesvd_(const char* JOBU, const char* JOBVT, const int* M, const int* N, float* A, const int* LDA, float* S, float* U, const int* LDU, float* VT, const int* LDVT, float* WORK, const int* LWORK, int* INFO); /*! DGESVD computes the singular value decomposition (SVD) of a real * M-by-N matrix A, optionally computing the left and/or right singular * vectors. The SVD is written * * A = U * SIGMA * transpose(V) * * where SIGMA is an M-by-N matrix which is zero except for its * min(m,n) diagonal elements, U is an M-by-M orthogonal matrix, and * V is an N-by-N orthogonal matrix. The diagonal elements of SIGMA * are the singular values of A; they are real and non-negative, and * are returned in descending order. The first min(m,n) columns of * U and V are the left and right singular vectors of A. * * See http://www.netlib.org/lapack/double/dgesvd.f for more information */ void dgesvd_(const char* JOBU, const char* JOBVT, const int* M, const int* N, double* A, const int* LDA, double* S, double* U, const int* LDU, double* VT, const int* LDVT, double* WORK, const int* LWORK, int* INFO); } // EXTERN_C_END #endif