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Fix the quick return code in Eigen subroutines
Description Fix the quick return code for S/D/C/ZGEESX, C/ZHBEVX, S/DSBEVX, C/ZHEEVX, S/DSYEVX, C/ZHPEVX, S/DSPEVX, C/ZHPGVX.
- set RCONDE and RCONDV in S/D/C/ZGEESX when N = 0.
- set Q in C/ZHBEVX, S/DSBEVX when N = 1 and WANTZ.
- set IFAIL in C/ZHBEVX, S/DSBEVX, C/ZHEEVX, S/DSYEVX, C/ZHPEVX, S/DSPEVX when N = 1 and WANTZ.
- set M = 0 in C/ZHPGVX when N = 0.
Checklist
- [ ] The documentation has been updated.
- [ ] If the PR solves a specific issue, it is set to be closed on merge.