components ChainComplex -- list the components of a direct sum

components ChainComplex -- list the components of a direct sum

Synopsis:

Function: components -- list the components of a direct sum

Input:

an instance of class ChainComplex.

components C -- returns from which C was formed, if C was formed as a direct sum.

See also:

isDirectSum -- whether something is a direct sum

Code:

     -- ../../../Macaulay2/m2/chaincomplexes.m2:528
     components ChainComplex := C -> if C.?components then C.components else {C}