F77_sspmv()

void F77_sspmv	(	CBLAS_INT *	layout,
		char *	uplow,
		CBLAS_INT *	n,
		float *	alpha,
		float *	ap,
		float *	x,
		CBLAS_INT *	incx,
		float *	beta,
		float *	y,
		CBLAS_INT *	incy )

Definition at line 402 of file c_sblas2.c.

  {
  float *A,*AP;
  CBLAS_INT i,j,k,LDA;
  CBLAS_UPLO uplo;
 
  get_uplo_type(uplow,&uplo);
 
  if (*layout == TEST_ROW_MJR) {
     LDA = *n;
     A   = ( float* )malloc( LDA*LDA*sizeof( float ) );
     AP  = ( float* )malloc( (((LDA+1)*LDA)/2)*sizeof( float ) );
     if (uplo == CblasUpper) {
        for( j=0, k=0; j<*n; j++ )
           for( i=0; i<j+1; i++, k++ )
              A[ LDA*i+j ]=ap[ k ];
        for( i=0, k=0; i<*n; i++ )
           for( j=i; j<*n; j++, k++ )
              AP[ k ]=A[ LDA*i+j ];
     }
     else {
        for( j=0, k=0; j<*n; j++ )
           for( i=j; i<*n; i++, k++ )
              A[ LDA*i+j ]=ap[ k ];
        for( i=0, k=0; i<*n; i++ )
           for( j=0; j<i+1; j++, k++ )
              AP[ k ]=A[ LDA*i+j ];
     }
     cblas_sspmv( CblasRowMajor, uplo, *n, *alpha, AP, x, *incx, *beta, y,
                  *incy );
     free(A); free(AP);
  }
  else
     cblas_sspmv( CblasColMajor, uplo, *n, *alpha, ap, x, *incx, *beta, y,
                  *incy );
}

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