A deep-sea research probe records hydrostatic pressure measurements at different depths. The recorded pressure values (in kilopascals, kPa) are stored in an array named pressures.
An algorithm to process these readings is represented by the following pseudo-code:
1 pressures[0] ← 102.4
2 pressures[1] ← 305.1
3 pressures[2] ← 150.8
4 pressures[3] ← 412.3
5 FOR p ← 0 TO 2
6 FOR q ← 0 TO 2
7 IF pressures[q] < pressures[q + 1] THEN
8 temp ← pressures[q]
9 pressures[q] ← pressures[q + 1]
10 pressures[q + 1] ← temp
11 ENDIF
12 ENDFOR
13 ENDFOR
State the purpose of this algorithm.