LAPACK  3.8.0
LAPACK: Linear Algebra PACKage

◆ cblas_cherk()

void cblas_cherk ( CBLAS_LAYOUT  layout,
CBLAS_UPLO  Uplo,
CBLAS_TRANSPOSE  Trans,
const int  N,
const int  K,
const float  alpha,
const void *  A,
const int  lda,
const float  beta,
void *  C,
const int  ldc 
)

Definition at line 12 of file cblas_cherk.c.

16 {
17  char UL, TR;
18 #ifdef F77_CHAR
19  F77_CHAR F77_TR, F77_UL;
20 #else
21  #define F77_TR &TR
22  #define F77_UL &UL
23 #endif
24 
25 #ifdef F77_INT
26  F77_INT F77_N=N, F77_K=K, F77_lda=lda;
27  F77_INT F77_ldc=ldc;
28 #else
29  #define F77_N N
30  #define F77_K K
31  #define F77_lda lda
32  #define F77_ldc ldc
33 #endif
34 
35  extern int CBLAS_CallFromC;
36  extern int RowMajorStrg;
37  RowMajorStrg = 0;
38  CBLAS_CallFromC = 1;
39 
40  if( layout == CblasColMajor )
41  {
42  if( Uplo == CblasUpper) UL='U';
43  else if ( Uplo == CblasLower ) UL='L';
44  else
45  {
46  cblas_xerbla(2, "cblas_cherk", "Illegal Uplo setting, %d\n", Uplo);
47  CBLAS_CallFromC = 0;
48  RowMajorStrg = 0;
49  return;
50  }
51 
52  if( Trans == CblasTrans) TR ='T';
53  else if ( Trans == CblasConjTrans ) TR='C';
54  else if ( Trans == CblasNoTrans ) TR='N';
55  else
56  {
57  cblas_xerbla(3, "cblas_cherk", "Illegal Trans setting, %d\n", Trans);
58  CBLAS_CallFromC = 0;
59  RowMajorStrg = 0;
60  return;
61  }
62 
63  #ifdef F77_CHAR
64  F77_UL = C2F_CHAR(&UL);
65  F77_TR = C2F_CHAR(&TR);
66  #endif
67 
68  F77_cherk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
69  &beta, C, &F77_ldc);
70  } else if (layout == CblasRowMajor)
71  {
72  RowMajorStrg = 1;
73  if( Uplo == CblasUpper) UL='L';
74  else if ( Uplo == CblasLower ) UL='U';
75  else
76  {
77  cblas_xerbla(3, "cblas_cherk", "Illegal Uplo setting, %d\n", Uplo);
78  CBLAS_CallFromC = 0;
79  RowMajorStrg = 0;
80  return;
81  }
82  if( Trans == CblasTrans) TR ='N';
83  else if ( Trans == CblasConjTrans ) TR='N';
84  else if ( Trans == CblasNoTrans ) TR='C';
85  else
86  {
87  cblas_xerbla(3, "cblas_cherk", "Illegal Trans setting, %d\n", Trans);
88  CBLAS_CallFromC = 0;
89  RowMajorStrg = 0;
90  return;
91  }
92 
93  #ifdef F77_CHAR
94  F77_UL = C2F_CHAR(&UL);
95  F77_SD = C2F_CHAR(&SD);
96  #endif
97 
98  F77_cherk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda,
99  &beta, C, &F77_ldc);
100  }
101  else cblas_xerbla(1, "cblas_cherk", "Illegal layout setting, %d\n", layout);
102  CBLAS_CallFromC = 0;
103  RowMajorStrg = 0;
104  return;
105 }
#define F77_K
#define F77_UL
int RowMajorStrg
Definition: cblas_globals.c:2
#define F77_lda
#define F77_ldc
#define F77_SD
#define F77_N
#define F77_TR
#define F77_cherk
Definition: cblas_f77.h:162
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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