math.c File Reference

#include "ghost/config.h"
#include "ghost/types.h"
#include "ghost/util.h"
#include "ghost/math.h"
#include "ghost/densemat.h"
#include "ghost/densemat_cm.h"
#include "ghost/densemat_rm.h"
#include "ghost/locality.h"
#include "ghost/instr.h"
#include "ghost/log.h"
#include <complex.h>
#include <float.h>

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Functions
ghost_error	ghost_mpi_op_sum (ghost_mpi_op *op, ghost_datatype datatype)
ghost_error	ghost_mpi_op_densemat_sum (ghost_mpi_op *op, ghost_datatype datatype)
ghost_error	ghost_mpi_operations_create ()
ghost_error	ghost_mpi_operations_destroy ()
ghost_error	ghost_spmv_nflops (int *nFlops, ghost_datatype m_t, ghost_datatype v_t)
int	ghost_kacz_perf (double *perf, double time, void *varg)
int	ghost_spmv_perf (double *perf, double time, void *varg)
int	ghost_axpbypcz_perf (double *perf, double time, void *varg)
int	ghost_axpby_perf (double *perf, double time, void *varg)
int	ghost_axpy_perf (double *perf, double time, void *varg)
int	ghost_dot_perf (double *perf, double time, void *varg)
int	ghost_scale_perf (double *perf, double time, void *varg)
bool	ghost_iszero (void *vnumber, ghost_datatype dt)
bool	ghost_isone (void *vnumber, ghost_datatype dt)
ghost_error	ghost_axpy (ghost_densemat *y, ghost_densemat *x, void *a)
	Computes y := a*x + y with scalar a. More...
ghost_error	ghost_vaxpy (ghost_densemat *y, ghost_densemat *x, void *a)
	Computes column-wise y := a_i*x + y with separate scalar a_i. More...
ghost_error	ghost_axpby (ghost_densemat *y, ghost_densemat *x, void *a, void *b)
	Computes y := a*x + b*y with scalar a and b. More...
ghost_error	ghost_vaxpby (ghost_densemat *y, ghost_densemat *x, void *a, void *b)
	Computes column-wise y := a_i*x + b_i*y with separate scalar a_i and b_i. More...
ghost_error	ghost_axpbypcz (ghost_densemat *y, ghost_densemat *x, void *a, void *b, ghost_densemat *z, void *c)
	Computes y := a*x + b*y + c*z with scalar a, b, and c. More...
ghost_error	ghost_vaxpbypcz (ghost_densemat *y, ghost_densemat *x, void *a, void *b, ghost_densemat *z, void *c)
	Computes column-wise y := a_i*x + b_i*y + c_i*z with separate scalars a_i, b_i, and c_i. More...
ghost_error	ghost_scale (ghost_densemat *x, void *a)
	Computes x := s*x with scalar s. More...
ghost_error	ghost_vscale (ghost_densemat *x, void *a)
	Computes column-wise x := s_i*x with separate scalars s_i. More...
ghost_error	ghost_normalize (ghost_densemat *x)
	Normalizes a densemat (interpreted as a block vector). More...
ghost_error	ghost_conj (ghost_densemat *x)
	Conjugates a densemat. More...
ghost_error	ghost_norm (void *norm, ghost_densemat *x, void *pow)
	Compute the norm of a densemat: sum_i [conj(vec_i) * vec_i]^pow. More...
ghost_error	ghost_nrm2 (void *norm, ghost_densemat *x)
	Compute the norm of a densemat: sum_i [conj(vec_i) * vec_i]^2. More...
ghost_error	ghost_mult (ghost_densemat *y, ghost_densemat *x, void *a)
	Computes y(i,j) := a*x(i,j)*y(i,j) or y(i,j) := a*x(i) (if x has 1 column), with scalar a. More...

Variables
static ghost_mpi_op	GHOST_MPI_OP_SUM_C = MPI_OP_NULL
static ghost_mpi_op	GHOST_MPI_OP_SUM_Z = MPI_OP_NULL
static ghost_mpi_op	GHOST_MPI_OP_SUM_DENSEMAT_S = MPI_OP_NULL
static ghost_mpi_op	GHOST_MPI_OP_SUM_DENSEMAT_D = MPI_OP_NULL
static ghost_mpi_op	GHOST_MPI_OP_SUM_DENSEMAT_C = MPI_OP_NULL
static ghost_mpi_op	GHOST_MPI_OP_SUM_DENSEMAT_Z = MPI_OP_NULL

Function Documentation

int ghost_axpby_perf	(	double *	perf,
		double	time,
		void *	varg
	)

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int ghost_axpbypcz_perf	(	double *	perf,
		double	time,
		void *	varg
	)

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int ghost_axpy_perf	(	double *	perf,
		double	time,
		void *	varg
	)

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int ghost_dot_perf	(	double *	perf,
		double	time,
		void *	varg
	)

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bool ghost_isone	(	void *	vnumber,
		ghost_datatype	dt
	)

bool ghost_iszero	(	void *	vnumber,
		ghost_datatype	dt
	)

int ghost_kacz_perf	(	double *	perf,
		double	time,
		void *	varg
	)

ghost_error ghost_mpi_op_densemat_sum	(	ghost_mpi_op *	op,
		ghost_datatype	datatype
	)

ghost_error ghost_mpi_op_sum	(	ghost_mpi_op *	op,
		ghost_datatype	datatype
	)

ghost_error ghost_mpi_operations_create

(

)

ghost_error ghost_mpi_operations_destroy

(

)

ghost_error ghost_norm	(	void *	norm,
		ghost_densemat *	vec,
		void *	pow
	)

Compute the norm of a densemat: sum_i [conj(vec_i) * vec_i]^pow.

Parameters

norm	Where to store the norm. Must be a pointer to the densemat's data type.
vec	The densemat.
pow	The power. Must be a pointer to the densemat's data type.

Returns

GHOST_SUCCESS on success or an error indicator.

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ghost_error ghost_nrm2	(	void *	norm,
		ghost_densemat *	vec
	)

Compute the norm of a densemat: sum_i [conj(vec_i) * vec_i]^2.

Parameters

norm	Where to store the norm. Must be a pointer to the densemat's data type.
vec	The densemat.

Returns

GHOST_SUCCESS on success or an error indicator.

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int ghost_scale_perf	(	double *	perf,
		double	time,
		void *	varg
	)

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ghost_error ghost_spmv_nflops	(	int *	nFlops,
		ghost_datatype	m_t,
		ghost_datatype	v_t
	)

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int ghost_spmv_perf	(	double *	perf,
		double	time,
		void *	varg
	)

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Variable Documentation

ghost_mpi_op GHOST_MPI_OP_SUM_C = MPI_OP_NULL

static

ghost_mpi_op GHOST_MPI_OP_SUM_DENSEMAT_C = MPI_OP_NULL

static

ghost_mpi_op GHOST_MPI_OP_SUM_DENSEMAT_D = MPI_OP_NULL

static

ghost_mpi_op GHOST_MPI_OP_SUM_DENSEMAT_S = MPI_OP_NULL

static

ghost_mpi_op GHOST_MPI_OP_SUM_DENSEMAT_Z = MPI_OP_NULL

static

ghost_mpi_op GHOST_MPI_OP_SUM_Z = MPI_OP_NULL

static