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class="cmr-12">Example and test programs< / span > < / h4 >
<!-- l. 217 --> < p class = "noindent" > < span
class="cmr-12">The package contains a < / span > < span class = "obeylines-h" > < code class = "verb" > samples< / code > < / span > < span
class="cmr-12">directory, divided in two subdirs < / span > < span class = "obeylines-h" > < code class = "verb" > simple< / code > < / span > < span
class="cmr-12">and< / span >
< span class = "obeylines-h" > < code class = "verb" > advanced< / code > < / span > < span
class="cmr-12">; both of them are further divided into < / span > < span class = "obeylines-h" > < code class = "verb" > fileread< / code > < / span > < span
class="cmr-12">and < / span > < span class = "obeylines-h" > < code class = "verb" > pdegen< / code > < / span > < span
class="cmr-12">subdirectories.< / span >
< span
class="cmr-12">Their purpose is as follows:< / span >
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< span
class="cmtt-12">simple< / span > < / dt > < dd
class="description">
<!-- l. 222 --> < p class = "noindent" > < span
class="cmr-12">contains a set of simple example programs with a predefined choice of< / span >
< span
class="cmr-12">preconditioners, selectable via integer values. These are intended to get< / span >
< span
class="cmr-12">acquainted with the multilevel preconditioners available in AMG4PSBLAS.< / span >
< / dd > < dt class = "description" >
< span
class="cmtt-12">advanced< / span > < / dt > < dd
class="description">
<!-- l. 226 --> < p class = "noindent" > < span
class="cmr-12">contains a set of more sophisticated examples that will allow the user, via< / span >
< span
class="cmr-12">the input files in the < / span > < span class = "obeylines-h" > < code class = "verb" > runs< / code > < / span > < span
class="cmr-12">subdirectories, to experiment with the full range< / span >
< span
class="cmr-12">of preconditioners implemented in the package.< / span > < / dd > < / dl >
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class="cmr-12">The < / span > < span class = "obeylines-h" > < code class = "verb" > fileread< / code > < / span > < span
class="cmr-12">directories contain sample programs that read sparse matrices from files,< / span >
< span
class="cmr-12">according to the Matrix Market or the Harwell-Boeing storage format; the < / span > < span class = "obeylines-h" > < code class = "verb" > pdegen< / code > < / span >
< span
class="cmr-12">programs generate matrices in full parallel mode from the discretization of a sample< / span >
< span
class="cmr-12">partial differential equation.< / span >
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