LAPACK 3.11.0
LAPACK: Linear Algebra PACKage
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◆ cblas_cherk()

void cblas_cherk ( CBLAS_LAYOUT  layout,
CBLAS_UPLO  Uplo,
CBLAS_TRANSPOSE  Trans,
const CBLAS_INT  N,
const CBLAS_INT  K,
const float  alpha,
const void *  A,
const CBLAS_INT  lda,
const float  beta,
void *  C,
const CBLAS_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;
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);
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);
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);
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);
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}
@ CblasLower
Definition: cblas.h:41
@ CblasUpper
Definition: cblas.h:41
void cblas_xerbla(CBLAS_INT p, const char *rout, const char *form,...)
Definition: cblas_xerbla.c:12
@ CblasNoTrans
Definition: cblas.h:40
@ CblasTrans
Definition: cblas.h:40
@ CblasConjTrans
Definition: cblas.h:40
@ CblasColMajor
Definition: cblas.h:39
@ CblasRowMajor
Definition: cblas.h:39
#define F77_SD
#define F77_ldc
#define F77_K
#define F77_TR
#define F77_N
#define F77_lda
#define F77_UL
#define F77_INT
Definition: cblas_f77.h:32
#define F77_cherk(...)
Definition: cblas_f77.h:395
int CBLAS_CallFromC
Definition: cblas_globals.c:1
int RowMajorStrg
Definition: cblas_globals.c:2
#define N
Definition: example_user.c:10
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