Ticket #13140: trac_13140-rescale-inplace.patch
File trac_13140-rescale-inplace.patch, 673 bytes (added by , 7 years ago) |
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sage/matrix/matrix_double_dense.pyx
# HG changeset patch # User Rob Beezer <beezer@ups.edu> # Date 1341856211 25200 # Node ID ded75af0ab5b5b8bc124f82d14c3d38978d2e4ac # Parent 959daf22361f611421ec95d3767515fd4459b321 13140: normalize by rescaling columns inplace diff --git a/sage/matrix/matrix_double_dense.pyx b/sage/matrix/matrix_double_dense.pyx
a b 4033 4033 a = M.column(j)[i].real() 4034 4034 if a != 0: 4035 4035 if a < 0: 4036 M = M.with_rescaled_col(j, -1)4036 M.rescale_col(j, -1) 4037 4037 break 4038 4038 return M 4039 4039