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 - volcano.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30425-4669acb345) Lines: 340 345 98.6 %
Date: 2025-07-30 09:23:31 Functions: 28 28 100.0 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Flm_Fl_polmodular_evalxy 557
Flx_remove_root 33925703
ascend_volcano 138348
common_nbr 241918
common_nbr_corner 37583
common_nbr_pred 43026
common_nbr_pred_poly 44037
common_nbr_verify 1011
descend_volcano 2875
enum_roots 235654
extend_path 300601
get_nbrs 25433595
is_j_exceptional 390199
j_level_in_volcano 223779
next_surface_nbr 158053
nhbr_polynomial 152298
node_degree 86128
pcp_get_L 235654
pcp_get_L0 235654
pcp_get_enum_cnt 235654
pcp_get_k 235654
pcp_get_n 235654
pcp_get_o 235654
random_distinct_neighbours_of 224096
surface_gcd_cycle 95978
surface_gcd_path 1072
surface_parallel_path 204353
surface_path 228792

Generated by: LCOV version 1.16