lautil.h

完全使用C++写的高效线性代数运算库！还提供了矩阵类。

//      LAPACK++ (V. 1.1)
//      (C) 1992-1996 All Rights Reserved.

// General Utilities that should have been included in C++
//

#ifndef _LA_UTIL_H_
#define _LA_UTIL_H_

#include "f2c.h"


// only callable from C-Lapack due to added ftnlen parameters by f2c; 
extern "C" 
    int ilaenv_(int *i, const char *n, const char *opts, 
        int *n1, int *n2, int *n3, int *n4, 
        ftnlen n_len, ftnlen opts_len);


#ifdef _LA_GEN_MAT_DOUBLE_H_
    #ifdef _LA_VECTOR_LONG_INT_H_
void LaSwap(LaGenMatDouble &A, LaVectorLongInt &ipiv);
    #endif
int LaEnvBlockSize(const char *fname, const LaGenMatDouble &A);
#endif

#ifdef _LA_SYMM_MAT_DOUBLE_H_
int LaEnvBlockSize(const char *fname, const LaSymmMatDouble &A);
#endif

double Mach_eps_double();

#endif 
    // _LA_UTIL_H_