mirror of
https://github.com/triqs/dft_tools
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33 lines
1.1 KiB
Python
33 lines
1.1 KiB
Python
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################################################################################
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#
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# TRIQS: a Toolbox for Research in Interacting Quantum Systems
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#
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# Copyright (C) 2011 by M. Ferrero, O. Parcollet
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#
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# TRIQS is free software: you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation, either version 3 of the License, or (at your option) any later
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# version.
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#
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# TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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# details.
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#
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# You should have received a copy of the GNU General Public License along with
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# TRIQS. If not, see <http://www.gnu.org/licenses/>.
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#
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################################################################################
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import lazy_expressions, descriptors
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def inverse(x):
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if descriptors.is_lazy(x):
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return lazy_expressions.lazy_function("inverse", inverse) (x)
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assert hasattr(x,'invert') and hasattr(x,'copy')
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cop = x.copy()
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cop.invert()
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return cop
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