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 30371-bd27ad7662) Lines: 340 345 98.6 %
Date: 2025-07-06 09:22:54 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 532
Flx_remove_root 33919612
ascend_volcano 138268
common_nbr 241284
common_nbr_corner 37509
common_nbr_pred 43025
common_nbr_pred_poly 44060
common_nbr_verify 1035
descend_volcano 2965
enum_roots 235864
extend_path 298164
get_nbrs 25563528
is_j_exceptional 388577
j_level_in_volcano 222645
next_surface_nbr 157495
nhbr_polynomial 151773
node_degree 85979
pcp_get_L 235870
pcp_get_L0 235870
pcp_get_enum_cnt 235868
pcp_get_k 235869
pcp_get_n 235869
pcp_get_o 235869
random_distinct_neighbours_of 222949
surface_gcd_cycle 95459
surface_gcd_path 1072
surface_parallel_path 203786
surface_path 229001

Generated by: LCOV version 1.16