bli_trsvsx.c File Reference

(r)

Functions
void	bli_strsvsx (uplo_t uplo, trans_t trans, diag_t diag, int m, float *alpha, float *a, int a_rs, int a_cs, float *x, int incx, float *beta, float *y, int incy)
void	bli_dtrsvsx (uplo_t uplo, trans_t trans, diag_t diag, int m, double *alpha, double *a, int a_rs, int a_cs, double *x, int incx, double *beta, double *y, int incy)
void	bli_ctrsvsx (uplo_t uplo, trans_t trans, diag_t diag, int m, scomplex *alpha, scomplex *a, int a_rs, int a_cs, scomplex *x, int incx, scomplex *beta, scomplex *y, int incy)
void	bli_ztrsvsx (uplo_t uplo, trans_t trans, diag_t diag, int m, dcomplex *alpha, dcomplex *a, int a_rs, int a_cs, dcomplex *x, int incx, dcomplex *beta, dcomplex *y, int incy)

---

Function Documentation

void bli_ctrsvsx	(	uplo_t	uplo,
		trans_t	trans,
		diag_t	diag,
		int	m,
		scomplex *	alpha,
		scomplex *	a,
		int	a_rs,
		int	a_cs,
		scomplex *	x,
		int	incx,
		scomplex *	beta,
		scomplex *	y,
		int	incy
	)

References bli_callocv(), bli_caxpyv(), bli_ccopyv(), bli_ccreate_contigmr(), bli_cfree(), bli_cfree_contigm(), bli_cscalv(), bli_ctrsv(), bli_zero_dim1(), and BLIS_NO_CONJUGATE.

{
    scomplex* a_save    = a;
    int       a_rs_save = a_rs;
    int       a_cs_save = a_cs;
    scomplex* x_temp;
    int       incx_temp;

    // Return early if possible.
    if ( bli_zero_dim1( m ) ) return;

    // If necessary, allocate, initialize, and use a temporary contiguous
    // copy of the matrix rather than the original matrix.
    bli_ccreate_contigmr( uplo,
                          m,
                          m,
                          a_save, a_rs_save, a_cs_save,
                          &a,     &a_rs,     &a_cs );

    // Allocate a temporary vector conformal to x.
    x_temp    = bli_callocv( m );
    incx_temp = 1;

    // Copy x to a temporary vector.
    bli_ccopyv( BLIS_NO_CONJUGATE,
                m,
                x,      incx,
                x_temp, incx_temp );

    // Perform the operation, storing the result to x_temp.
    bli_ctrsv( uplo,
               trans,
               diag,
               m,
               a,      a_rs, a_cs,
               x_temp, incx_temp );

    // Scale y by beta.
    bli_cscalv( BLIS_NO_CONJUGATE,
                m,
                beta,
                y, incy );

    // Axpy the partial result in x_temp into y.
    bli_caxpyv( BLIS_NO_CONJUGATE,
                m,
                alpha,
                x_temp, incx_temp,
                y,      incy );

    // Free the temporary vector.
    bli_cfree( x_temp );

    // Free the temporary contiguous matrix.
    bli_cfree_contigm( a_save, a_rs_save, a_cs_save,
                       &a,     &a_rs,     &a_cs );
}

void bli_dtrsvsx	(	uplo_t	uplo,
		trans_t	trans,
		diag_t	diag,
		int	m,
		double *	alpha,
		double *	a,
		int	a_rs,
		int	a_cs,
		double *	x,
		int	incx,
		double *	beta,
		double *	y,
		int	incy
	)

References bli_dallocv(), bli_daxpyv(), bli_dcopyv(), bli_dcreate_contigmr(), bli_dfree(), bli_dfree_contigm(), bli_dscalv(), bli_dtrsv(), bli_zero_dim1(), and BLIS_NO_CONJUGATE.

{
    double*   a_save    = a;
    int       a_rs_save = a_rs;
    int       a_cs_save = a_cs;
    double*   x_temp;
    int       incx_temp;

    // Return early if possible.
    if ( bli_zero_dim1( m ) ) return;

    // If necessary, allocate, initialize, and use a temporary contiguous
    // copy of the matrix rather than the original matrix.
    bli_dcreate_contigmr( uplo,
                          m,
                          m,
                          a_save, a_rs_save, a_cs_save,
                          &a,     &a_rs,     &a_cs );

    // Allocate a temporary vector conformal to x.
    x_temp    = bli_dallocv( m );
    incx_temp = 1;

    // Copy x to a temporary vector.
    bli_dcopyv( BLIS_NO_CONJUGATE,
                m,
                x,      incx,
                x_temp, incx_temp );

    // Perform the operation, storing the result to x_temp.
    bli_dtrsv( uplo,
               trans,
               diag,
               m,
               a,      a_rs, a_cs,
               x_temp, incx_temp );

    // Scale y by beta.
    bli_dscalv( BLIS_NO_CONJUGATE,
                m,
                beta,
                y, incy );

    // Axpy the partial result in x_temp into y.
    bli_daxpyv( BLIS_NO_CONJUGATE,
                m,
                alpha,
                x_temp, incx_temp,
                y,      incy );

    // Free the temporary vector.
    bli_dfree( x_temp );

    // Free the temporary contiguous matrix.
    bli_dfree_contigm( a_save, a_rs_save, a_cs_save,
                       &a,     &a_rs,     &a_cs );
}

void bli_strsvsx	(	uplo_t	uplo,
		trans_t	trans,
		diag_t	diag,
		int	m,
		float *	alpha,
		float *	a,
		int	a_rs,
		int	a_cs,
		float *	x,
		int	incx,
		float *	beta,
		float *	y,
		int	incy
	)

References bli_sallocv(), bli_saxpyv(), bli_scopyv(), bli_screate_contigmr(), bli_sfree(), bli_sfree_contigm(), bli_sscalv(), bli_strsv(), bli_zero_dim1(), and BLIS_NO_CONJUGATE.

{
    float*    a_save    = a;
    int       a_rs_save = a_rs;
    int       a_cs_save = a_cs;
    float*    x_temp;
    int       incx_temp;

    // Return early if possible.
    if ( bli_zero_dim1( m ) ) return;

    // If necessary, allocate, initialize, and use a temporary contiguous
    // copy of the matrix rather than the original matrix.
    bli_screate_contigmr( uplo,
                          m,
                          m,
                          a_save, a_rs_save, a_cs_save,
                          &a,     &a_rs,     &a_cs );

    // Allocate a temporary vector conformal to x.
    x_temp    = bli_sallocv( m );
    incx_temp = 1;

    // Copy x to a temporary vector.
    bli_scopyv( BLIS_NO_CONJUGATE,
                m,
                x,      incx,
                x_temp, incx_temp );

    // Perform the operation, storing the result to x_temp.
    bli_strsv( uplo,
               trans,
               diag,
               m,
               a,      a_rs, a_cs,
               x_temp, incx_temp );

    // Scale y by beta.
    bli_sscalv( BLIS_NO_CONJUGATE,
                m,
                beta,
                y, incy );

    // Axpy the partial result in x_temp into y.
    bli_saxpyv( BLIS_NO_CONJUGATE,
                m,
                alpha,
                x_temp, incx_temp,
                y,      incy );

    // Free the temporary vector.
    bli_sfree( x_temp );

    // Free the temporary contiguous matrix.
    bli_sfree_contigm( a_save, a_rs_save, a_cs_save,
                       &a,     &a_rs,     &a_cs );
}

void bli_ztrsvsx	(	uplo_t	uplo,
		trans_t	trans,
		diag_t	diag,
		int	m,
		dcomplex *	alpha,
		dcomplex *	a,
		int	a_rs,
		int	a_cs,
		dcomplex *	x,
		int	incx,
		dcomplex *	beta,
		dcomplex *	y,
		int	incy
	)

References bli_zallocv(), bli_zaxpyv(), bli_zcopyv(), bli_zcreate_contigmr(), bli_zero_dim1(), bli_zfree(), bli_zfree_contigm(), bli_zscalv(), bli_ztrsv(), and BLIS_NO_CONJUGATE.

{
    dcomplex* a_save    = a;
    int       a_rs_save = a_rs;
    int       a_cs_save = a_cs;
    dcomplex* x_temp;
    int       incx_temp;

    // Return early if possible.
    if ( bli_zero_dim1( m ) ) return;

    // If necessary, allocate, initialize, and use a temporary contiguous
    // copy of the matrix rather than the original matrix.
    bli_zcreate_contigmr( uplo,
                          m,
                          m,
                          a_save, a_rs_save, a_cs_save,
                          &a,     &a_rs,     &a_cs );

    // Allocate a temporary vector conformal to x.
    x_temp    = bli_zallocv( m );
    incx_temp = 1;

    // Copy x to a temporary vector.
    bli_zcopyv( BLIS_NO_CONJUGATE,
                m,
                x,      incx,
                x_temp, incx_temp );

    // Perform the operation, storing the result to x_temp.
    bli_ztrsv( uplo,
               trans,
               diag,
               m,
               a,      a_rs, a_cs,
               x_temp, incx_temp );

    // Scale y by beta.
    bli_zscalv( BLIS_NO_CONJUGATE,
                m,
                beta,
                y, incy );

    // Axpy the partial result in x_temp into y.
    bli_zaxpyv( BLIS_NO_CONJUGATE,
                m,
                alpha,
                x_temp, incx_temp,
                y,      incy );

    // Free the temporary vector.
    bli_zfree( x_temp );

    // Free the temporary contiguous matrix.
    bli_zfree_contigm( a_save, a_rs_save, a_cs_save,
                       &a,     &a_rs,     &a_cs );
}