This file is indexed.

/usr/share/radiance/coeff_perez.dat is in radiance-materials 4R1+20120125-1.

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

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
# RCSid $Id: coeff_perez.dat,v 2.2 2009/06/16 04:54:08 greg Exp $
#
# Coefficients for Perez sky luminance model for gendaylit(1)
#
1.3525 -0.2576 -0.2690 -1.4366 -0.7670 0.0007 1.2734 -0.1233 2.8000 0.6004 1.2375 1.000 1.8734 0.6297 0.9738 0.2809 0.0356 -0.1246 -0.5718 0.9938
-1.2219 -0.7730 1.4148 1.1016 -0.2054 0.0367 -3.9128 0.9156 6.9750 0.1774 6.4477 -0.1239 -1.5798 -0.5081 -1.7812 0.1080 0.2624 0.0672 -0.2190 -0.4285
-1.1000 -0.2515 0.8952 0.0156 0.2782 -0.1812 -4.5000 1.1766 24.7219 -13.0812 -37.7000 34.8438 -5.0000 1.5218 3.9229 -2.6204 -0.0156 0.1597 0.4199 -0.5562
-0.5484 -0.6654 -0.2672 0.7117 0.7234 -0.6219 -5.6812 2.6297 33.3389 -18.3000 -62.2500 52.0781 -3.5000 0.0016 1.1477 0.1062 0.4659 -0.3296 -0.0876 -0.0329
-0.6000 -0.3566 -2.5000 2.3250 0.2937 0.0496 -5.6812 1.8415 21.0000 -4.7656 -21.5906 7.2492 -3.5000 -0.1554 1.4062 0.3988 0.0032 0.0766 -0.0656 -0.1294
-1.0156 -0.3670 1.0078 1.4051 0.2875 -0.5328 -3.8500 3.3750 14.0000 -0.9999 -7.1406 7.5469 -3.4000 -0.1078 -1.0750 1.5702 -0.0672 0.4016 0.3017 -0.4844
-1.0000 0.0211 0.5025 -0.5119 -0.3000 0.1922 0.7023 -1.6317 19.0000 -5.0000 1.2438 -1.9094 -4.0000 0.0250 0.3844 0.2656 1.0468 -0.3788 -2.4517 1.4656
-1.0500 0.0289 0.4260 0.3590 -0.3250 0.1156 0.7781 0.0025 31.0625 -14.5000 -46.1148 55.3750 -7.2312 0.4050 13.3500 0.6234 1.5000 -0.6426 1.8564 0.5636