www.pudn.com > Lapackpp1_1a.zip > tblasd++.cc
// // LAPACK++ 1.1 Linear Algebra Package 1.1 // University of Tennessee, Knoxvilee, TN. // Oak Ridge National Laboratory, Oak Ridge, TN. // Authors: J. J. Dongarra, E. Greaser, R. Pozo, D. Walker // (C) 1992-1996 All Rights Reserved // // NOTICE // // Permission to use, copy, modify, and distribute this software and // its documentation for any purpose and without fee is hereby granted // provided that the above copyright notice appear in all copies and // that both the copyright notice and this permission notice appear in // supporting documentation. // // Neither the Institutions (University of Tennessee, and Oak Ridge National // Laboratory) nor the Authors make any representations about the suitability // of this software for any purpose. This software is provided ``as is'' // without express or implied warranty. // // LAPACK++ was funded in part by the U.S. Department of Energy, the // National Science Foundation and the State of Tennessee. #include#include "lafnames.h" #include LA_VECTOR_DOUBLE_H #include "blas++.h" int main(int argc, char *argv[]) { int M = atoi(argv[1]); int N = atoi(argv[2]); if (argc < 2) { cerr << "Usage: " << argv[0] << " M N \n"; exit(1); } // test Blas_Sum() LaVectorDouble Sum(M); Sum = N; double ans = Blas_Norm1(Sum); fprintf(stdout,"\nBlas_Sum() A:%dx1, value:%d\n",M,N); cout << "output:\n" << ans << endl; // test Blas_Add_Mult() LaVectorDouble X(M); LaVectorDouble Y(M); X = N; Y = N; double scalar = M; Blas_Add_Mult(Y, scalar,X); fprintf(stdout,"\nBlas_Add_Mult() alpha:%d, X:%dx1, Y:%dx1\n",\ M,N,N); cout << "output:\n" << Y << endl; // test Blas_Copy() X = M*N; Blas_Copy(Y, X); cout <<"\nBlas_Copy():\n" << "X:\n" << X << "\nY:\n" << Y << endl; // test Blas_Dot_Prod() X = M; Y = N; double cans = Blas_Dot_Prod(X,Y); fprintf(stdout,"\nBlas_Dot_Prod() X = %d, Y = %d\n",M,N); fprintf(stdout," X is %dx1, Y is %dx1\n",M,M); cout << "\nAns:\n" << cans << endl; // test Blas_Norm2() ans = Blas_Norm2(X); fprintf(stdout,"\nBlas_Norm2() X = %d\n",M); fprintf(stdout," X is %dx1\n",M); cout << "\nAns:\n" << ans << endl; // see note in blas1++.cc //#if 0 // test Blas_Scale() double scale = 5.0; X = 1.1; fprintf(stdout,"\nBlas_Scale() scale = 5.0, X = 1.1\n"); Blas_Scale(scale,X); cout <<"X:\n"<< X << endl; // #endif // test Blas_Swap() LaVectorDouble A(5); LaVectorDouble B(5); A = 1.1; B = 2.0; fprintf(stdout,"\nBlas_Swap() A = 1.1, B = 2.0\n"); Blas_Swap(A,B); cout <<"A:\n"<< A << "\nB:\n" << B << endl; // test Blas_Index_Max() int index; X = 8.0; X (M/2) = 64.0; fprintf(stdout,"\nBlas_Index_Max() X = 8.0\n"); index = Blas_Index_Max(X); cout <<"index:\n"<< index << endl; return 0; }