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:

• with GMP kernel
• with GMP kernel using --mt=pthread
• with native kernel, including micro-assembler code
• with native kernel, without micro-assembler
• with native kernel, without micro-assembler, disabling GCC extensions (DISABLE_INLINE)
• with GMP kernel, emulating an x86_32 architecture at Configure time via setarch

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 - hnf_snf.c (source / functions) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30556-bb9f5f8fc8) Lines: 1603 1779 90.1 % Date: 2025-11-25 09:20:50 Functions: 96 106 90.6 % Legend: Lines: hit not hit

Function Name	Hit count
FpM_echelon	3359516
FpM_hnfend	3359704
FpV_Fp_mul_part_ip	5388588
FpV_red_part_ipvec	37266994
Minus	2054108
RgC_elem	511
RgM_hnfall	42
RgM_reduce	84
RgXM_snf	49
ZC_elem	40415543
ZC_lincomb1z	21838742
ZC_lincomb1z_i	21846681
ZM_hnf	88241
ZM_hnf_knapsack	238
ZM_hnfall	28705
ZM_hnfall_i	750629
ZM_hnfcenter	25152
ZM_hnflll	230620
ZM_hnfmod	160257
ZM_hnfmodall	5079421
ZM_hnfmodall_i	5130432
ZM_hnfmodid	4479018
ZM_hnfmodprime	3359513
ZM_hnfperm	385
ZM_redpart	1546346
ZM_reduce	4446488
ZM_rowrankprofile	225091
ZM_snf	15869
ZM_snf_group	710556
ZM_snf_no_divide	1231074
ZM_snfall	63216
ZM_snfall_i	793182
ZM_snfclean	1026326
ZMrow_divexact_inplace	973732
ZV_allequal	322408
ZV_extgcd	110558
ZV_gcdext_i	110572
ZV_hnfgcdext	21
ZV_snf_group	315681
ZV_snf_rank	91
ZV_snf_rank_u	49
ZV_snf_trunc	0
ZV_snfall	315681
ZV_snfclean	225084
ZpM_echelon	527520
addmulzii	518278877
addzi	239529499
affii2_or_copy_gc	47826826
allhnfmod	438521
bezout_step	817132
col_dup	2607858
col_mul	3073922
count	8142587
count2	418965
do_zero	0
findi	105851458
findi_normalize	105843861
gbezout_step	882
gsmith	0
gsmithall	0
gsnf_no_divide	196
hnf	14
hnf_divscale	191798
hnf_i	61041
hnf_invimage	546752
hnf_invscale	274423
hnf_solve	460669
hnfadd	0
hnfadd_i	91264
hnfall	14
hnfallgen	21
hnfdivide	133
hnffinal	225091
hnflll	7
hnfmerge_get_1	812910
hnfmod	14
hnfmodid	438507
hnfperm	14
hnfspec	0
hnfspec_i	133827
hnfswap	8482800
is_RgX	2590
mathnf0	287
mathnfspec	0
matsnf0	469
must_swap	4618009
negcmpii	600933
normalize_as_RgX	364
optimal_D	5128476
p_mat	0
reduce1	967315
reduce2	52907169
remove_0cols	333383
reverse_rows	461217
smith	385
smithall	35
smithclean	672
snf_group	1026326
snf_pile	1067962
snf_pile1	48
snfrank	154
subzi	6449735
trivsmith	0
update	768498
zlm_echelon	4785329
zv_snf_rank	0

Generated by: LCOV version 1.16