LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ cblas_sspr2()

void cblas_sspr2 ( 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 
)

Definition at line 12 of file cblas_sspr2.c.

15 {
16  char UL;
17 #ifdef F77_CHAR
18  F77_CHAR F77_UL;
19 #else
20  #define F77_UL &UL
21 #endif
22 
23 #ifdef F77_INT
24  F77_INT F77_N=N, F77_incX=incX, F77_incY=incY;
25 #else
26  #define F77_N N
27  #define F77_incX incX
28  #define F77_incY incY
29 #endif
30 
31  extern int CBLAS_CallFromC;
32  extern int RowMajorStrg;
33  RowMajorStrg = 0;
34  CBLAS_CallFromC = 1;
35  if (layout == CblasColMajor)
36  {
37  if (Uplo == CblasLower) UL = 'L';
38  else if (Uplo == CblasUpper) UL = 'U';
39  else
40  {
41  cblas_xerbla(2, "cblas_sspr2","Illegal Uplo setting, %d\n",Uplo );
42  CBLAS_CallFromC = 0;
43  RowMajorStrg = 0;
44  return;
45  }
46  #ifdef F77_CHAR
47  F77_UL = C2F_CHAR(&UL);
48  #endif
49 
50  F77_sspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A);
51 
52  } else if (layout == CblasRowMajor)
53  {
54  RowMajorStrg = 1;
55  if (Uplo == CblasLower) UL = 'U';
56  else if (Uplo == CblasUpper) UL = 'L';
57  else
58  {
59  cblas_xerbla(2, "cblas_sspr2","Illegal Uplo setting, %d\n",Uplo );
60  CBLAS_CallFromC = 0;
61  RowMajorStrg = 0;
62  return;
63  }
64  #ifdef F77_CHAR
65  F77_UL = C2F_CHAR(&UL);
66  #endif
67  F77_sspr2(F77_UL, &F77_N, &alpha, X, &F77_incX, Y, &F77_incY, A);
68  } else cblas_xerbla(1, "cblas_sspr2", "Illegal layout setting, %d\n", layout);
69  CBLAS_CallFromC = 0;
70  RowMajorStrg = 0;
71 }
int RowMajorStrg
Definition: cblas_globals.c:2
#define F77_sspr2
Definition: cblas_f77.h:99
#define F77_UL
#define F77_incX
#define F77_N
#define F77_incY
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
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