source: tests/regression/testsuite.at@ c9bc2b7

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Last change on this file since c9bc2b7 was 3f9eba, checked in by Frederik Heber <heber@…>, 14 years ago

New classes for random number generation.

  • we use boost::random as a basis. It implements a lot of pseudo-random engines and various distributions. However, everything is templated and there are no base classes to store prototypes of the instances in a map. We need these such that we are able to offer the user at run-time every choice possible.
  • Hence, we need to encapsulate all engines, distributions and (engine, distribution) tuples: RandomNumber..._Encapsulation classes.
  • each with an abstract base class as the interface: RandomNumber... classes.
  • RandomNumberGeneratorFactory is then a singleton that contains all the Maps and tables:
    • from string (user input is string) to enum (storing enum is more efficient that a lengthy string)
    • from enum to instance (of the abstract class).
  • RandomNumberGeneratorFactory is a singleton to allow for global control of what kind of numbers are generated, hence there are also two new Actions:
  • The user in the end only uses two classes: RandomNumberGeneratorFactory and RandomNumberGenerator. The first only for obtaining a specific variant of the latter and the latter to generate the numbers (operator() is passed on to boost::variate_generator::operator()).
  • There is a unit test on the RandomNumberGeneratorFactory that checks some of the table entries and whether one of the RandomNumberGenerator is working (uniform_smallint so far).

Details:

  • As there are ~25 engines and ~15 distributions this makes an enormous amount of possible combinations. To automatically construct these, we use some stuff from boost::preprocessor in order to generate enums, tables and maps automatically just from a sequence of the typenames.
  • we have be-friended the unit test a lot to allow for easier testing, e.g. we need access to internal ..._type to test whether their type is correct.
  • cleanUp() purges the instance of RandomNumberGeneratorFactory.
  • in RandomNumber..._Encapsulation::name() functions are only used for the unit tests.
  • this all resides in its own subfolder RandomNumbers. So far, it is completely independent of everything else.
  • Property mode set to 100755
File size: 931 bytes
Line 
1# Process with autom4te to create an -*- Autotest -*- test suite.
2#
3# see regression/... subdirs wherein for each of the cases and each check (enumerated) is a pre and post dir.
4# In pre initial files are placed, in post results can be found to be checked by diff in this testsuite.
5
6AT_INIT([Molecular Builder])
7AT_TESTED(diff grep egrep fgrep)
8
9# Use colored output with new-enough Autotest.
10m4_ifdef([AT_COLOR_TESTS], [AT_COLOR_TESTS])
11
12m4_include(testsuite-standard_options.at)
13
14m4_include(testsuite-specifics.at)
15
16m4_include(testsuite-simple_configuration.at)
17
18m4_include(Selection/testsuite-selection.at)
19
20m4_include(RandomNumbers/testsuite-randomnumbers.at)
21
22m4_include(testsuite-domain.at)
23
24m4_include(testsuite-graph.at)
25
26m4_include(testsuite-molecules.at)
27
28m4_include(testsuite-fragmentation.at)
29
30m4_include(testsuite-tesselation.at)
31
32m4_include(Filling/testsuite-filling.at)
33
34m4_include(Analysis/testsuite-analysis.at)
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