/usr/lib/pd/extra/randomnormal.pd is in pd-pdp 1:0.12.5-1.1ubuntu1.
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 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | #N canvas 614 389 451 505 10;
#X obj 48 58 inlet;
#X obj 48 88 t b b;
#X obj 173 167 * 6.28;
#X obj 129 221 cos;
#X obj 173 222 sin;
#X obj 173 143 / 1e+06;
#X obj 173 121 random 1e+06;
#X obj 48 220 * -2;
#X obj 48 170 / 1e+06;
#X obj 48 125 random 1e+06;
#X obj 48 148 + 1;
#X obj 48 194 log;
#X obj 48 327 *;
#X obj 108 328 *;
#X obj 48 292 t f f;
#X obj 48 365 outlet;
#X obj 108 365 outlet;
#X text 35 10 normal gausian random number generator (box-muller);
#X obj 48 253 sqrt;
#X connect 0 0 1 0;
#X connect 1 0 9 0;
#X connect 1 1 6 0;
#X connect 2 0 4 0;
#X connect 2 0 3 0;
#X connect 3 0 12 1;
#X connect 4 0 13 1;
#X connect 5 0 2 0;
#X connect 6 0 5 0;
#X connect 7 0 18 0;
#X connect 8 0 11 0;
#X connect 9 0 10 0;
#X connect 10 0 8 0;
#X connect 11 0 7 0;
#X connect 12 0 15 0;
#X connect 13 0 16 0;
#X connect 14 0 12 0;
#X connect 14 1 13 0;
#X connect 18 0 14 0;
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