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dft_tools/test/python/elk/elk_convert/LATTICE.OUT

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+----------------------------+
| Real-space lattice vectors |
+----------------------------+
vector a1 : 7.888832000 7.888832000 0.000000000
vector a2 : 7.888832000 -7.888832000 0.000000000
vector a3 : 7.888832000 0.000000000 7.888832000
Stored column-wise as a matrix :
7.888832000 7.888832000 7.888832000
7.888832000 -7.888832000 0.000000000
0.000000000 0.000000000 7.888832000
Inverse of matrix :
0.6338073875E-01 0.6338073875E-01 -0.6338073875E-01
0.6338073875E-01 -0.6338073875E-01 -0.6338073875E-01
-0.000000000 -0.000000000 0.1267614775
Unit cell volume : 981.9019399
+----------------------------------+
| Reciprocal-space lattice vectors |
+----------------------------------+
vector b1 : 0.3982329264 0.3982329264 -0.3982329264
vector b2 : 0.3982329264 -0.3982329264 -0.3982329264
vector b3 : -0.000000000 -0.000000000 0.7964658529
Stored column-wise as a matrix :
0.3982329264 0.3982329264 -0.000000000
0.3982329264 -0.3982329264 -0.000000000
-0.3982329264 -0.3982329264 0.7964658529
Inverse of matrix :
1.255546608 1.255546608 0.000000000
1.255546608 -1.255546608 -0.000000000
1.255546608 -0.000000000 1.255546608
Brillouin zone volume : 0.2526221849