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 - Flv.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30809-023acc7158) Lines: 737 758 97.2 %
Date: 2026-04-13 09:26:12 Functions: 58 62 93.5 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl_get_col 2432743
Fl_get_col_OK 455831
Flc_to_ZC 30234684
Flc_to_ZC_inplace 14
Flm_CUP_basecase 3643376
Flm_CUP_pre 3551558
Flm_Flc_gauss 21
Flm_Flc_invimage 139942
Flm_adjoint 927236
Flm_deplin 0
Flm_deplin_echelon 30756
Flm_det 0
Flm_det_CUP 37413
Flm_det_gauss 53463
Flm_det_gauss_OK 2317
Flm_det_i 90876
Flm_det_sp 90876
Flm_echelon_gauss 1161735
Flm_echelon_pre 1966647
Flm_gauss 2412634
Flm_gauss_CUP 169130
Flm_gauss_from_CUP 1096329
Flm_gauss_pivot 4573005
Flm_gauss_sp 2478986
Flm_gauss_sp_OK 122598
Flm_gauss_sp_i 2430566
Flm_intersect 0
Flm_intersect_i 272399
Flm_inv 63635
Flm_inv_i 65462
Flm_inv_sp 1827
Flm_inv_upper_1 490
Flm_inv_upper_1_ind 1274
Flm_invimage 889
Flm_invimage_CUP 287
Flm_invimage_i 931
Flm_ker 580209
Flm_ker_echelon 324466
Flm_ker_gauss 781278
Flm_ker_gauss_OK 699373
Flm_ker_i 1136500
Flm_ker_sp 556291
Flm_lsolve_lower_unit_2 1954730
Flm_lsolve_lower_unit_pre 4542354
Flm_lsolve_upper_2 2632809
Flm_lsolve_upper_pre 5652294
Flm_pivots 4850637
Flm_pivots_CUP 277636
Flm_rank 39788
Flm_rsolve_lower_unit_2 4890132
Flm_rsolve_lower_unit_pre 11200074
Flm_rsolve_upper_2 2866759
Flm_rsolve_upper_pre 6862668
Flm_solve_upper_1 1828147
Flm_to_ZM 11837024
Flm_to_ZM_inplace 0
Flv_to_ZV 388512
_Fl_add 681195
_Fl_add_OK 2272703
_Fl_addmul 12630253
_Fl_addmul_OK 4459906
indexcompl 1076132

Generated by: LCOV version 1.16