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Example program using libctl. This consists of:
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main.c: skeleton main program. To create a real program using libctl,
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you will only need to make slight changes to this file.
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example.scm: a sample specification file that contains
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a few parameters similar to what you might give to a
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photonic crystal program. This uses the geometry
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classes and utilities in utils/libgeom.
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example.c: example of a main subroutine (called by main.c) which
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demonstrates how the input/output variables are automatically
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run.ctl: example control file that creates some data for the program
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Makefile: makefile for the example program. (Also a good starting point
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for the Makefile of a real program using libctl.)
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So, to compile and run everything, you simply type:
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Since run.ctl does not call (run), this drops you into Guile's
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interactive mode, where you can start typing in Scheme commands. For
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(help) ; prints help on data structures and variables defined by
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; the specification file
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k-points ; prints the value of the k-points variable (set by run.ctl)
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(run) ; runs the example program (exports the input variables,
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; calls run_program in main.c, and imports the output variables).
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Type Ctrl-D or (quit) to exit.
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Another pair of interesting files to look at, after you have run make,
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are ctl-io.c and ctl-io.h. These files are automatically generated
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from the specifications file. They define the data structures
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corresponding to the input/output variables, and handle importing and
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exporting variable values between C and Scheme.
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examples/README
