LAPACK 3.11.0 LAPACK: Linear Algebra PACKage
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◆ F77_ssyr2()

 void F77_ssyr2 ( int * layout, char * uplow, int * n, float * alpha, float * x, int * incx, float * y, int * incy, float * a, int * lda )

Definition at line 163 of file c_sblas2.c.

164 {
165 float *A;
166 int i,j,LDA;
167 CBLAS_UPLO uplo;
168
169 get_uplo_type(uplow,&uplo);
170
171 if (*layout == TEST_ROW_MJR) {
172 LDA = *n+1;
173 A = ( float* )malloc( (*n)*LDA*sizeof( float ) );
174 for( i=0; i<*n; i++ )
175 for( j=0; j<*n; j++ )
176 A[ LDA*i+j ]=a[ (*lda)*j+i ];
177 cblas_ssyr2(CblasRowMajor, uplo, *n, *alpha, x, *incx, y, *incy, A, LDA);
178 for( i=0; i<*n; i++ )
179 for( j=0; j<*n; j++ )
180 a[ (*lda)*j+i ]=A[ LDA*i+j ];
181 free(A);
182 }
183 else
184 cblas_ssyr2(CblasColMajor, uplo, *n, *alpha, x, *incx, y, *incy, a, *lda);
185}
CBLAS_UPLO
Definition: cblas.h:41
void cblas_ssyr2(CBLAS_LAYOUT layout, CBLAS_UPLO Uplo, const CBLAS_INT N, const float alpha, const float *X, const CBLAS_INT incX, const float *Y, const CBLAS_INT incY, float *A, const CBLAS_INT lda)
Definition: cblas_ssyr2.c:12
@ CblasColMajor
Definition: cblas.h:39
@ CblasRowMajor
Definition: cblas.h:39
#define TEST_ROW_MJR
Definition: cblas_test.h:12
void get_uplo_type(char *type, CBLAS_UPLO *uplo)
Definition: auxiliary.c:18
#define LDA
Definition: example_user.c:12
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