This file is indexed.

/usr/include/ccfiles.h is in libpsi3-dev 3.4.0-6+b1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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#ifndef _psi_include_ccfiles_h_
#define _psi_include_ccfiles_h_

/* The miscellaneous CC information file */
#define CC_INFO        100
/* One-electron integral files */
#define CC_OEI         101
/* Two-electron integral files */   /* pqnum  rsnum */
#define CC_AINTS       102
#define CC_BINTS       103
#define CC_CINTS       104
#define CC_DINTS       105
#define CC_EINTS       106
#define CC_FINTS       107

/* Two-electron amplitudes, intermediates, and densities */
#define CC_DENOM       108
#define CC_TAMPS       109
#define CC_GAMMA       110
#define CC_MISC        111
#define CC_HBAR        112

#define CC_OEI_NEW     113
#define CC_GAMMA_NEW   114
#define CC_AINTS_NEW   115
#define CC_BINTS_NEW   116
#define CC_CINTS_NEW   117
#define CC_DINTS_NEW   118
#define CC_EINTS_NEW   119
#define CC_FINTS_NEW   120

/* ground state lambda and intermediates for excited states */
#define CC_LAMBDA      121

/* converged eigenvectors of hbar */
#define CC_RAMPS       122
#define CC_LAMPS       123

#define CC_LR          124

#define CC_DIIS_ERR    125
#define CC_DIIS_AMP    126

#define CC_TMP         127
#define CC_TMP0        128
#define CC_TMP1        129
#define CC_TMP2        130
#define CC_TMP3        131
#define CC_TMP4        132
#define CC_TMP5        133
#define CC_TMP6        134
#define CC_TMP7        135
#define CC_TMP8        135
#define CC_TMP9        137
#define CC_TMP10       138
#define CC_TMP11       139
/* temporary files for CCEOM and CCLAMBDA */
#define EOM_D          140
#define EOM_CME        141
#define EOM_Cme        142
#define EOM_CMNEF      143
#define EOM_Cmnef      144
#define EOM_CMnEf      145
#define EOM_SIA        146
#define EOM_Sia        147
#define EOM_SIJAB      148
#define EOM_Sijab      149
#define EOM_SIjAb      150
#define EOM_R          151 /* holds residual */
#define CC_GLG         152 /* left-hand psi for g.s. parts of cc-density */
#define CC_GL          153 /* left-hand psi for e.s. parts of cc-density */
#define CC_GR          154 /* right-hand eigenvector for cc-density */
#define EOM_TMP1       155 /* intermediates just for single contractions */
#define EOM_TMP0       156 /* temporary copies of density */
#define EOM_TMP_XI     157 /* intermediates for xi computation */
#define EOM_XI         158 /* xi = dE/dt amplitudes */
#define EOM_TMP        159 /* intermediates used more than once */
#define CC3_HET1       160 /* [H,e^T1] */
#define CC3_HC1        161 /* [H,C1] */
#define CC3_HC1ET1     162 /* [[H,e^T1],C1] */
#define CC3_MISC       163 /* various intermediates needed in CC3 codes */
#define CC2_HET1       164 /* [H,e^T1] */

/* Markers for the first and last file numbers */
#define CC_MIN  CC_INFO
#define CC_MAX  CC2_HET1

#endif /* header guard */