LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ cblas_ssyr2()

void cblas_ssyr2 ( CBLAS_LAYOUT  layout,
CBLAS_UPLO  Uplo,
const int  N,
const float  alpha,
const float *  X,
const int  incX,
const float *  Y,
const int  incY,
float *  A,
const int  lda 
)

Definition at line 12 of file cblas_ssyr2.c.

16 {
17  char UL;
18 #ifdef F77_CHAR
19  F77_CHAR F77_UL;
20 #else
21  #define F77_UL &UL
22 #endif
23 
24 #ifdef F77_INT
25  F77_INT F77_N=N, F77_incX=incX, F77_incY=incY, F77_lda=lda;
26 #else
27  #define F77_N N
28  #define F77_incX incX
29  #define F77_incY incY
30  #define F77_lda lda
31 #endif
32 
33  extern int CBLAS_CallFromC;
34  extern int RowMajorStrg;
35  RowMajorStrg = 0;
36  CBLAS_CallFromC = 1;
37  if (layout == CblasColMajor)
38  {
39  if (Uplo == CblasLower) UL = 'L';
40  else if (Uplo == CblasUpper) UL = 'U';
41  else
42  {
43  cblas_xerbla(2, "cblas_ssyr2","Illegal Uplo setting, %d\n",Uplo );
44  CBLAS_CallFromC = 0;
45  RowMajorStrg = 0;
46  return;
47  }
48  #ifdef F77_CHAR
49  F77_UL = C2F_CHAR(&UL);
50  #endif
51 
52  F77_ssyr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A,
53  &F77_lda);
54 
55  } else if (layout == CblasRowMajor)
56  {
57  RowMajorStrg = 1;
58  if (Uplo == CblasLower) UL = 'U';
59  else if (Uplo == CblasUpper) UL = 'L';
60  else
61  {
62  cblas_xerbla(2, "cblas_ssyr2","Illegal Uplo setting, %d\n",Uplo );
63  CBLAS_CallFromC = 0;
64  RowMajorStrg = 0;
65  return;
66  }
67  #ifdef F77_CHAR
68  F77_UL = C2F_CHAR(&UL);
69  #endif
70  F77_ssyr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A,
71  &F77_lda);
72  } else cblas_xerbla(1, "cblas_ssyr2", "Illegal layout setting, %d\n", layout);
73  CBLAS_CallFromC = 0;
74  RowMajorStrg = 0;
75  return;
76 }
#define F77_N
int RowMajorStrg
Definition: cblas_globals.c:2
#define F77_incY
#define F77_incX
#define F77_ssyr2
Definition: cblas_f77.h:98
int CBLAS_CallFromC
Definition: cblas_globals.c:1
#define F77_lda
void cblas_xerbla(int p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:8
#define F77_UL
#define N
Definition: example_user.c:10
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