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 - kernel/none - halfgcd.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30364-8108102770) Lines: 215 219 98.2 %
Date: 2025-06-30 09:21:07 Functions: 20 20 100.0 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
FIXUP0 123341
FIXUP1 183055
HGCD 15013735
HGCD0 29084006
HGCD_basecase 14893195
HGCD_split 120831
ZM2_mul 7483534
ZM2_sqr 2338
ZM_inv2 6191105
halfgcdii 6192064
isint2n 22978544
lastq 1284
magic_threshold 22916162
matid2 867
mulT 7819
mulq 3068761
mulqab 71
mulqi 1284
signdet 6374071
uexpi 22978768

Generated by: LCOV version 1.16