init_Pm_1d_workspace.c File Reference

Initialize workspace for the transform. More...

#include "libftsh.h"

Defines
#define	ENTEREXIT   0
Functions
void	init_Pm_1d_workspace (Pm_1D_Workspace *out, int numpts, int band_limit, REAL *node, REAL *weight)

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Detailed Description

Initialize workspace for the transform.

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Function Documentation

void init_Pm_1d_workspace	(	Pm_1D_Workspace *	out,
		int	numpts,
		int	band_limit,
		REAL *	node,
		REAL *	weight
	)

This routine initializes a structure Pmncos_1D_Workspace, which is used to hold workspace and a few precomputed values for use in the synthesis/analysis routines.

INPUTS:

• numpts -- the number of points in the interval (number of latitudes) used here to determine memory needed.
• band_limit -- the limit on the degree of the expansion. Used here to determine the maximal number of coefficients possible for one order.
• node -- an array of numpts REALs specifying the discretization. Usually this will be gaussian nodes.
• weight -- an array of numpts REALs specifying the quadrature weight. Usually this will be gaussian weight.

OUTPUT: out -- memory is allocated for the fields of out, and some values are precomputed.

NOTE:

• probably should pack the memory together

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