LAPACK 3.12.0
LAPACK: Linear Algebra PACKage
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◆ cblas_ssyrk()

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

Definition at line 12 of file cblas_ssyrk.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
43 if( Uplo == CblasUpper) UL='U';
44 else if ( Uplo == CblasLower ) UL='L';
45 else
46 {
47 API_SUFFIX(cblas_xerbla)(2, "cblas_ssyrk",
48 "Illegal Uplo setting, %d\n", Uplo);
50 RowMajorStrg = 0;
51 return;
52 }
53
54 if( Trans == CblasTrans) TR ='T';
55 else if ( Trans == CblasConjTrans ) TR='C';
56 else if ( Trans == CblasNoTrans ) TR='N';
57 else
58 {
59 API_SUFFIX(cblas_xerbla)(3, "cblas_ssyrk",
60 "Illegal Trans setting, %d\n", Trans);
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_ssyrk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda, &beta, C, &F77_ldc);
73 } else if (layout == CblasRowMajor)
74 {
75 RowMajorStrg = 1;
76 if( Uplo == CblasUpper) UL='L';
77 else if ( Uplo == CblasLower ) UL='U';
78 else
79 {
80 API_SUFFIX(cblas_xerbla)(3, "cblas_ssyrk",
81 "Illegal Uplo setting, %d\n", Uplo);
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 API_SUFFIX(cblas_xerbla)(3, "cblas_ssyrk",
92 "Illegal Trans setting, %d\n", Trans);
94 RowMajorStrg = 0;
95 return;
96 }
97
98 #ifdef F77_CHAR
99 F77_UL = C2F_CHAR(&UL);
100 F77_TR = C2F_CHAR(&TR);
101 #endif
102
103 F77_ssyrk(F77_UL, F77_TR, &F77_N, &F77_K, &alpha, A, &F77_lda, &beta, C, &F77_ldc);
104 } else API_SUFFIX(cblas_xerbla)(1, "cblas_ssyrk",
105 "Illegal layout setting, %d\n", layout);
106 CBLAS_CallFromC = 0;
107 RowMajorStrg = 0;
108 return;
109}
@ CblasLower
Definition cblas.h:41
@ CblasUpper
Definition cblas.h:41
void cblas_xerbla(CBLAS_INT p, const char *rout, const char *form,...)
@ 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 API_SUFFIX(a)
Definition cblas.h:57
#define F77_INT
#define F77_ssyrk(...)
Definition cblas_f77.h:389
int CBLAS_CallFromC
int RowMajorStrg
#define F77_ldc
#define F77_K
#define F77_TR
#define F77_N
#define F77_lda
#define F77_UL
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