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 30676-32b8a71ec1) Lines: 737 758 97.2 %
Date: 2026-02-14 09:22:40 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 2432071
Fl_get_col_OK 455919
Flc_to_ZC 30231804
Flc_to_ZC_inplace 14
Flm_CUP_basecase 3642772
Flm_CUP_pre 3550947
Flm_Flc_gauss 21
Flm_Flc_invimage 139986
Flm_adjoint 927001
Flm_deplin 0
Flm_deplin_echelon 30745
Flm_det 0
Flm_det_CUP 37413
Flm_det_gauss 53452
Flm_det_gauss_OK 2317
Flm_det_i 90865
Flm_det_sp 90864
Flm_echelon_gauss 1161623
Flm_echelon_pre 1966480
Flm_gauss 2412090
Flm_gauss_CUP 169253
Flm_gauss_from_CUP 1096215
Flm_gauss_pivot 4495079
Flm_gauss_sp 2478316
Flm_gauss_sp_OK 122621
Flm_gauss_sp_i 2429899
Flm_intersect 0
Flm_intersect_i 272422
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 580275
Flm_ker_echelon 324421
Flm_ker_gauss 781385
Flm_ker_gauss_OK 699480
Flm_ker_i 1136552
Flm_ker_sp 556277
Flm_lsolve_lower_unit_2 1954509
Flm_lsolve_lower_unit_pre 4541569
Flm_lsolve_upper_2 2632601
Flm_lsolve_upper_pre 5651788
Flm_pivots 4772478
Flm_pivots_CUP 277400
Flm_rank 39788
Flm_rsolve_lower_unit_2 4889995
Flm_rsolve_lower_unit_pre 11199717
Flm_rsolve_upper_2 2866721
Flm_rsolve_upper_pre 6862752
Flm_solve_upper_1 1828157
Flm_to_ZM 11836244
Flm_to_ZM_inplace 0
Flv_to_ZV 388511
_Fl_add 680527
_Fl_add_OK 2273404
_Fl_addmul 12620226
_Fl_addmul_OK 4460758
indexcompl 1076021

Generated by: LCOV version 1.16