w3ft03.f File Reference

A point interpolater. More...

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Functions/Subroutines
subroutine	w3ft03 (fl, hi, sti, stj, maxi, maxj, itype)
	Do either bilinear or biquadratic interpolation for a point within a two-dimensional data array.

Detailed Description

A point interpolater.

Author

James Howcroft

Date

1979-02-15

Definition in file w3ft03.f.

Function/Subroutine Documentation

w3ft03()

subroutine w3ft03	(	real, dimension(maxi,maxj)	fl,
			hi,
			sti,
			stj,
			maxi,
			maxj,
			itype
	)

Do either bilinear or biquadratic interpolation for a point within a two-dimensional data array.

Program History Log:

Date	Programmer	Comment
1979-02-15	James Howcroft	Initial.
1989-01-25	Ralph Jones	Change to microsoft fortran 4.10.
1990-06-12	Ralph Jones	Change to sun fortran 1.3.
1991-03-30	Ralph Jones	Convert to silicongraphics fortran.
1993-03-29	Ralph Jones	Add save statement.
1996-07-01	Ralph Jones	Compile on cray.

Parameters

[in]	FL	Real*4 two-dimensional cartesian array of data.
[in]	MAXI	Integer*4 i-dimension of fl.
[in]	MAXJ	Integer*4 j-dimension of fl.
[in]	STI	Real*4 i-coordinate to which a value is to be interpolated.
[in]	STJ	Real*4 j-coordinate to which a value is to be interpolated.
	ITYPE
[out]	HI	Real*4 interpolated output value.

Remarks

No error checks are made. it is left for the user to determine that the point for which interpolation is desired lies within the grid.

Author

James Howcroft

Date

1979-02-15

Definition at line 33 of file w3ft03.f.