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<html>
<head>
<title>
TOMS792 - Tests for Interpolation of 2D Scattered Data
</title>
</head>
<body bgcolor="#EEEEEE" link="#CC0000" alink="#FF3300" vlink="#000055">
<h1 align = "center">
TOMS792 <br> Tests for Interpolation of 2D Scattered Data
</h1>
<hr>
<p>
<b>TOMS792</b>
is a FORTRAN90 library which
can be used to test the accuracy of programs that interpolate
2D scattered data, by Robert Renka.
</p>
<p>
<b>TOMS792</b> is ACM TOMS Algorithm 792.
</p>
<p>
The original, true, correct version of this ACM TOMS algorithm is available
in the TOMS subdirectory of
<a href = "http://www.netlib.org/">the NETLIB web site</a>.
</p>
<h3 align = "center">
Languages:
</h3>
<p>
<b>TOMS792</b> is available in
<a href = "../../f77_src/toms792/toms792.html">a FORTRAN77 version</a> and
<a href = "../../f_src/toms792/toms792.html">a FORTRAN90 version</a>.
</p>
<h3 align = "center">
Related Data and Programs:
</h3>
<p>
<a href = "../../f_src/rbf_interp/rbf_interp.html">
RBF_INTERP</a>,
a FORTRAN90 library which
defines and evaluates radial basis interpolants to multidimensional data.
</p>
<p>
<a href = "../../f_src/toms526/toms526.html">
TOMS526</a>,
a FORTRAN90 library which
interpolates scattered bivariate data,
This is a FORTRAN90 version of ACM TOMS algorithm 526,
by Hiroshi Akima;
</p>
<p>
<a href = "../../f_src/toms660/toms660.html">
TOMS660</a>,
a FORTRAN90 library which
takes scattered 2D data and produces an interpolating function F(X,Y),
this is a FORTRAN90 version of ACM TOMS algorithm 660,
called <b>qshep2d</b>,
by Robert Renka.
</p>
<p>
<a href = "../../f_src/toms661/toms661.html">
TOMS661</a>,
a FORTRAN90 library which
takes scattered 3D data and produces an interpolating function F(X,Y,Z),
this is a FORTRAN90 version of ACM TOMS algorithm 661,
called <b>qshep3d</b>,
by Robert Renka.
</p>
<p>
<a href = "../../f_src/toms790/toms790.html">
TOMS790</a>,
a FORTRAN90 library which
computes an interpolating function to a set of scattered data in the plane;
this library is commonly called <b>CSHEP2D</b>;
by Robert Renka;
this is ACM TOMS algorithm 790.
</p>
<h3 align = "center">
Author:
</h3>
<p>
Robert Renka
</p>
<h3 align = "center">
Reference:
</h3>
<p>
<ol>
<li>
Richard Franke,<br>
Scattered Data Interpolation: Tests of Some Methods,<br>
Mathematics of Computation,<br>
Volume 38, Number 157, January 1982, pages 181-200.
</li>
<li>
Robert Renka, Ron Brown,<br>
Algorithm 792:
Accuracy Tests of ACM Algorithms for Interpolation of Scattered Data in the Plane,<br>
ACM Transactions on Mathematical Software,<br>
Volume 25, Number 1, March 1999, pages 78-94.
</li>
</ol>
</p>
<h3 align = "center">
Source Code:
</h3>
<p>
<ul>
<li>
<a href = "toms792.f90">toms792.f90</a>, the source code.
</li>
<li>
<a href = "toms792.sh">toms792.sh</a>,
BASH commands to compile the source code.
</li>
</ul>
</p>
<h3 align = "center">
Examples and Tests:
</h3>
<p>
<ul>
<li>
<a href = "toms792_prb.f90">toms792_prb.f90</a>,
a sample calling program.
</li>
<li>
<a href = "toms792_prb.sh">toms792_prb.sh</a>,
BASH commands to compile and run the sample program.
</li>
<li>
<a href = "toms792_prb_input.txt">toms792_prb_input.txt</a>,
the input file.
</li>
<li>
<a href = "toms792_prb_output.txt">toms792_prb_output.txt</a>,
the output file.
</li>
</ul>
</p>
<h3 align = "center">
List of Routines:
</h3>
<p>
<ul>
<li>
<b>TESTDT</b> returns one of five sets of test nodes.
</li>
<li>
<b>TSTFN1</b> computes one of ten bivariate test functions.
</li>
<li>
<b>TSTFN2</b> evaluates one of ten bivariate test functions and derivatives.
</li>
</ul>
</p>
<p>
You can go up one level to <a href = "../f_src.html">
the FORTRAN90 source codes</a>.
</p>
<hr>
<i>
Last revised on 26 January 2012.
</i>
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