LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ cblas_dsyr2k()

void cblas_dsyr2k ( CBLAS_LAYOUT  layout,
CBLAS_UPLO  Uplo,
CBLAS_TRANSPOSE  Trans,
const int  N,
const int  K,
const double  alpha,
const double *  A,
const int  lda,
const double *  B,
const int  ldb,
const double  beta,
double *  C,
const int  ldc 
)

Definition at line 12 of file cblas_dsyr2k.c.

17 {
18  char UL, TR;
19 #ifdef F77_CHAR
20  F77_CHAR F77_TA, F77_UL;
21 #else
22  #define F77_TR &TR
23  #define F77_UL &UL
24 #endif
25 
26 #ifdef F77_INT
27  F77_INT F77_N=N, F77_K=K, F77_lda=lda, F77_ldb=ldb;
28  F77_INT F77_ldc=ldc;
29 #else
30  #define F77_N N
31  #define F77_K K
32  #define F77_lda lda
33  #define F77_ldb ldb
34  #define F77_ldc ldc
35 #endif
36 
37  extern int CBLAS_CallFromC;
38  extern int RowMajorStrg;
39  RowMajorStrg = 0;
40  CBLAS_CallFromC = 1;
41 
42  if( layout == CblasColMajor )
43  {
44 
45  if( Uplo == CblasUpper) UL='U';
46  else if ( Uplo == CblasLower ) UL='L';
47  else
48  {
49  cblas_xerbla(2, "cblas_dsyr2k","Illegal Uplo setting, %d\n", Uplo);
50  CBLAS_CallFromC = 0;
51  RowMajorStrg = 0;
52  return;
53  }
54 
55  if( Trans == CblasTrans) TR ='T';
56  else if ( Trans == CblasConjTrans ) TR='C';
57  else if ( Trans == CblasNoTrans ) TR='N';
58  else
59  {
60  cblas_xerbla(3, "cblas_dsyr2k","Illegal Trans setting, %d\n", Trans);
61  CBLAS_CallFromC = 0;
62  RowMajorStrg = 0;
63  return;
64  }
65 
66 
67  #ifdef F77_CHAR
68  F77_UL = C2F_CHAR(&UL);
69  F77_TR = C2F_CHAR(&TR);
70  #endif
71 
72  F77_dsyr2k(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
73  B, &F77_ldb, &beta, C, &F77_ldc);
74  } else if (layout == CblasRowMajor)
75  {
76  RowMajorStrg = 1;
77  if( Uplo == CblasUpper) UL='L';
78  else if ( Uplo == CblasLower ) UL='U';
79  else
80  {
81  cblas_xerbla(3, "cblas_dsyr2k","Illegal Uplo setting, %d\n", Uplo);
82  CBLAS_CallFromC = 0;
83  RowMajorStrg = 0;
84  return;
85  }
86  if( Trans == CblasTrans) TR ='N';
87  else if ( Trans == CblasConjTrans ) TR='N';
88  else if ( Trans == CblasNoTrans ) TR='T';
89  else
90  {
91  cblas_xerbla(3, "cblas_dsyr2k","Illegal Trans setting, %d\n", Trans);
92  CBLAS_CallFromC = 0;
93  RowMajorStrg = 0;
94  return;
95  }
96 
97  #ifdef F77_CHAR
98  F77_UL = C2F_CHAR(&UL);
99  F77_TR = C2F_CHAR(&TR);
100  #endif
101 
102  F77_dsyr2k(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda, B,
103  &F77_ldb, &beta, C, &F77_ldc);
104  }
105  else cblas_xerbla(1, "cblas_dsyr2k","Illegal layout setting, %d\n", layout);
106  CBLAS_CallFromC = 0;
107  RowMajorStrg = 0;
108  return;
109 }
#define F77_TA
int RowMajorStrg
Definition: cblas_globals.c:2
#define F77_ldb
#define F77_ldc
#define F77_K
#define F77_lda
#define F77_dsyr2k
Definition: cblas_f77.h:176
#define F77_N
#define F77_TR
#define F77_UL
int CBLAS_CallFromC
Definition: cblas_globals.c:1
void cblas_xerbla(int p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:8
#define N
Definition: example_user.c:10
Here is the call graph for this function:
Here is the caller graph for this function: