a01462ae8b
During discussion of LWG 4022 I noticed that we do not correctly implement floored division for the century. We were just truncating towards zero, rather than applying the floor function. For negative values that rounds the wrong way. libstdc++-v3/ChangeLog: * include/bits/chrono_io.h (__formatter_chrono::_M_C_y_Y): Fix rounding for negative centuries. * testsuite/std/time/year/io.cc: Check %C for negative years. |
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