LAPACK 3.12.1
LAPACK: Linear Algebra PACKage
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◆ F77_ssyr2k()

void F77_ssyr2k ( CBLAS_INT * layout,
char * uplow,
char * transp,
CBLAS_INT * n,
CBLAS_INT * k,
float * alpha,
float * a,
CBLAS_INT * lda,
float * b,
CBLAS_INT * ldb,
float * beta,
float * c,
CBLAS_INT * ldc )

Definition at line 263 of file c_sblas3.c.

269 {
270 CBLAS_INT i,j,LDA,LDB,LDC;
271 float *A, *B, *C;
272 CBLAS_UPLO uplo;
273 CBLAS_TRANSPOSE trans;
274
275 get_uplo_type(uplow,&uplo);
276 get_transpose_type(transp,&trans);
277
278 if (*layout == TEST_ROW_MJR) {
279 if (trans == CblasNoTrans) {
280 LDA = *k+1;
281 LDB = *k+1;
282 A = ( float* )malloc( (*n)*LDA*sizeof( float ) );
283 B = ( float* )malloc( (*n)*LDB*sizeof( float ) );
284 for( i=0; i<*n; i++ )
285 for( j=0; j<*k; j++ ) {
286 A[i*LDA+j]=a[j*(*lda)+i];
287 B[i*LDB+j]=b[j*(*ldb)+i];
288 }
289 }
290 else {
291 LDA = *n+1;
292 LDB = *n+1;
293 A = ( float* )malloc( LDA*(*k)*sizeof( float ) );
294 B = ( float* )malloc( LDB*(*k)*sizeof( float ) );
295 for( i=0; i<*k; i++ )
296 for( j=0; j<*n; j++ ){
297 A[i*LDA+j]=a[j*(*lda)+i];
298 B[i*LDB+j]=b[j*(*ldb)+i];
299 }
300 }
301 LDC = *n+1;
302 C = ( float* )malloc( (*n)*LDC*sizeof( float ) );
303 for( i=0; i<*n; i++ )
304 for( j=0; j<*n; j++ )
305 C[i*LDC+j]=c[j*(*ldc)+i];
306 cblas_ssyr2k(CblasRowMajor, uplo, trans, *n, *k, *alpha, A, LDA,
307 B, LDB, *beta, C, LDC );
308 for( j=0; j<*n; j++ )
309 for( i=0; i<*n; i++ )
310 c[j*(*ldc)+i]=C[i*LDC+j];
311 free(A);
312 free(B);
313 free(C);
314 }
315 else if (*layout == TEST_COL_MJR)
316 cblas_ssyr2k(CblasColMajor, uplo, trans, *n, *k, *alpha, a, *lda,
317 b, *ldb, *beta, c, *ldc );
318 else
319 cblas_ssyr2k(UNDEFINED, uplo, trans, *n, *k, *alpha, a, *lda,
320 b, *ldb, *beta, c, *ldc );
321}
CBLAS_UPLO
Definition cblas.h:41
CBLAS_TRANSPOSE
Definition cblas.h:40
@ CblasNoTrans
Definition cblas.h:40
@ CblasColMajor
Definition cblas.h:39
@ CblasRowMajor
Definition cblas.h:39
void cblas_ssyr2k(CBLAS_LAYOUT layout, CBLAS_UPLO Uplo, CBLAS_TRANSPOSE Trans, const CBLAS_INT N, const CBLAS_INT K, const float alpha, const float *A, const CBLAS_INT lda, const float *B, const CBLAS_INT ldb, const float beta, float *C, const CBLAS_INT ldc)
#define CBLAS_INT
Definition cblas.h:24
#define UNDEFINED
Definition cblas_test.h:28
#define TEST_ROW_MJR
Definition cblas_test.h:21
#define TEST_COL_MJR
Definition cblas_test.h:25
void get_uplo_type(char *type, CBLAS_UPLO *uplo)
Definition auxiliary.c:18
void get_transpose_type(char *type, CBLAS_TRANSPOSE *trans)
Definition auxiliary.c:8
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