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 1 //#define CXXBLAS_DEBUG_OUT(x)      std::cerr << x << std::endl;
 2 
 3 #define STR(x)      #x
 4 #define STRING(x)   STR(x)
 5 
 6 #define FLENS_DEFAULT_INDEXTYPE int
 7 
 8 #include <flens/lapack/interface/include/config.h>
 9 
10 
11 namespace flens { namespace lapack {
12 
13 extern "C" {
14 
15 //-- dgesv ---------------------------------------------------------------------
16 void
17 LAPACK_DECL(dgesv)(const INTEGER        *N,
18                    const INTEGER        *NRHS,
19                    DOUBLE               *A,
20                    const INTEGER        *LDA,
21                    INTEGER              *IPIV,
22                    DOUBLE               *B,
23                    const INTEGER        *LDB,
24                    INTEGER              *INFO)
25 {
26     DEBUG_FLENS_LAPACK("dgesv");
27 //
28 //  Test the input parameters so that we pass LAPACK error checks
29 //
30     *INFO = 0;
31     if (*N<0) {
32         *INFO = -1;
33     } else if (*NRHS<0) {
34         *INFO = -2;
35     } else if (*LDA<std::max(INTEGER(1), *N)) {
36         *INFO = -4;
37     } else if (*LDB<std::max(INTEGER(1), *N)) {
38         *INFO = -7;
39     }
40     if (*INFO!=0) {
41         *INFO = -(*INFO);
42         LAPACK_ERROR("DGESV", INFO);
43         *INFO = -(*INFO);
44         return;
45     }
46 //
47 //  Call FLENS implementation
48 //
49     DGeMatrixView     _A     = DFSView(*N, *N, A, *LDA);
50     IDenseVectorView  _IPIV  = IArrayView(*N, IPIV, 1);
51     DGeMatrixView     _B     = DFSView(*N, *NRHS, B, *LDB);
52 
53     sv(_A, _IPIV, _B);
54 }
55 
56 } // extern "C"
57 
58 } } // namespace lapack, flens
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