F77_ctbsv()

void F77_ctbsv	(	int *	layout,
		char *	uplow,
		char *	transp,
		char *	diagn,
		int *	n,
		int *	k,
		CBLAS_TEST_COMPLEX *	a,
		int *	lda,
		CBLAS_TEST_COMPLEX *	x,
		int *	incx
	)

Definition at line 358 of file c_cblas2.c.

                 {
 
  CBLAS_TEST_COMPLEX *A;
  int irow, jcol, i, j, LDA;
  CBLAS_TRANSPOSE trans;
  CBLAS_UPLO uplo;
  CBLAS_DIAG diag;
 
  get_transpose_type(transp,&trans);
  get_uplo_type(uplow,&uplo);
  get_diag_type(diagn,&diag);
 
  if (*layout == TEST_ROW_MJR) {
     if (uplo != CblasUpper && uplo != CblasLower )
        cblas_ctbsv(CblasRowMajor, UNDEFINED, trans, diag, *n, *k, a, *lda, x,
                 *incx);
     else {
        LDA = *k+2;
        A=(CBLAS_TEST_COMPLEX*)malloc((*n+*k)*LDA*sizeof(CBLAS_TEST_COMPLEX ));
        if (uplo == CblasUpper) {
           for( i=0; i<*k; i++ ){
              irow=*k-i;
              jcol=(*k)-i;
              for( j=jcol; j<*n; j++ ) {
                 A[ LDA*(j-jcol)+irow ].real=a[ (*lda)*j+i ].real;
                 A[ LDA*(j-jcol)+irow ].imag=a[ (*lda)*j+i ].imag;
              }
           }
           i=*k;
           irow=*k-i;
           for( j=0; j<*n; j++ ) {
              A[ LDA*j+irow ].real=a[ (*lda)*j+i ].real;
              A[ LDA*j+irow ].imag=a[ (*lda)*j+i ].imag;
           }
        }
        else {
           i=0;
           irow=*k-i;
           for( j=0; j<*n; j++ ) {
             A[ LDA*j+irow ].real=a[ (*lda)*j+i ].real;
             A[ LDA*j+irow ].imag=a[ (*lda)*j+i ].imag;
           }
           for( i=1; i<*k+1; i++ ){
              irow=*k-i;
              jcol=i;
              for( j=jcol; j<(*n+*k); j++ ) {
                 A[ LDA*j+irow ].real=a[ (*lda)*(j-jcol)+i ].real;
                 A[ LDA*j+irow ].imag=a[ (*lda)*(j-jcol)+i ].imag;
              }
           }
        }
        cblas_ctbsv(CblasRowMajor, uplo, trans, diag, *n, *k, A, LDA,
                    x, *incx);
        free(A);
     }
  }
  else if (*layout == TEST_COL_MJR)
     cblas_ctbsv(CblasColMajor, uplo, trans, diag, *n, *k, a, *lda, x, *incx);
  else
     cblas_ctbsv(UNDEFINED, uplo, trans, diag, *n, *k, a, *lda, x, *incx);
}

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