Changes between Version 2 and Version 3 of Ticket #22859


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Timestamp:
04/27/17 20:23:04 (5 years ago)
Author:
egourgoulhon
Comment:

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  • Ticket #22859

    • Property Cc tscrim added
  • Ticket #22859 – Description

    v2 v3  
    44    return self.parent().zero()
    55}}}
    6 Now, for complicated expressions, such a check involves Maxima and is very slow. Moreover, there is no great benefit in representing all the zero functions by a unique object (the zero of the parent). This tickets proposes therefore to remove the check.
     6Now, for complicated expressions, such a check involves Maxima and is very slow. Moreover, there is no real benefit in representing all the zero functions by a unique object (the zero of the function ring). This ticket proposes therefore to remove the check.
    77It also removes a similar check in the arithmetics of scalar fields (class `sage.manifolds.scalarfield.ScalarField`).
    88