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E.2.1 Version schema for Singular
SINGULAR version is of the form a.b.c.d which may also be written
as a-b-c-d where a,b,c and d are numbers:
- a is changed with major, incompatible changes
- b is changed with incompatible changes (of some commands/libraries)
- c is changed with compatible changes (i.e. new commands,
extended options, new algorithms, etc.)
- d is changed with each release (i.e. with bug fixes, etc.)
SINGULAR does also have "unofficial" build originating from
a code version between "official" version: such builds display
"Development version a.b.c" in the header while "official" versions
show "version a.b.c". Also the manual describes version a-b-c.
To get the complete version number, use
system("version"); or use SINGULAR_VERSION in C.
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