Code coverage tests

This page documents the degree to which the PARI/GP source code is tested by our public test suite, distributed with the source distribution in directory src/test/. This is measured by the gcov utility; we then process gcov output using the lcov frond-end.

We test a few variants depending on Configure flags on the pari.math.u-bordeaux.fr machine (x86_64 architecture), and agregate them in the final report:

The target is to exceed 90% coverage for all mathematical modules (given that branches depending on DEBUGLEVEL or DEBUGMEM are not covered). This script is run to produce the results below.

LCOV - code coverage report
Current view: top level - basemath - random.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30616-7aa4fb0184) Lines: 161 162 99.4 %
Date: 2026-01-18 09:22:29 Functions: 17 17 100.0 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
random_zv 46
randomr 4473
pari_rand 68733
setrand 110704
polrandom 156478
pari_init_rand 355470
init_xor4096i 417895
_32to64 448111
random_F2x 546257
getrand 1456783
randomi 2879430
genrand 5588821
_64to32 13705624
random_bits 17096378
random_Fl 39689785
rand64 74893551
block 181705640

Generated by: LCOV version 1.16