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 30587-f85873d515) Lines: 1603 1779 90.1 % Date: 2025-12-29 09:21:39 Functions: 96 106 90.6 % Legend: Lines: hit not hit

Function Name	Hit count
FpM_echelon	3364173
FpM_hnfend	3364324
FpV_Fp_mul_part_ip	5411503
FpV_red_part_ipvec	37684400
Minus	2057064
RgC_elem	511
RgM_hnfall	42
RgM_reduce	84
RgXM_snf	49
ZC_elem	41195031
ZC_lincomb1z	21893922
ZC_lincomb1z_i	21901475
ZM_hnf	89417
ZM_hnf_knapsack	238
ZM_hnfall	29198
ZM_hnfall_i	752476
ZM_hnfcenter	25170
ZM_hnflll	232559
ZM_hnfmod	162546
ZM_hnfmodall	5134114
ZM_hnfmodall_i	5185256
ZM_hnfmodid	4531537
ZM_hnfmodprime	3364203
ZM_hnfperm	385
ZM_redpart	1551950
ZM_reduce	4477954
ZM_rowrankprofile	227030
ZM_snf	15925
ZM_snf_group	712628
ZM_snf_no_divide	1235347
ZM_snfall	64182
ZM_snfall_i	796279
ZM_snfclean	1029514
ZMrow_divexact_inplace	976436
ZV_allequal	322714
ZV_extgcd	110572
ZV_gcdext_i	110586
ZV_hnfgcdext	21
ZV_snf_group	316801
ZV_snf_rank	91
ZV_snf_rank_u	49
ZV_snf_trunc	0
ZV_snfall	316800
ZV_snfclean	227090
ZpM_echelon	528159
addmulzii	520500772
addzi	240410740
affii2_or_copy_gc	48040301
allhnfmod	438211
bezout_step	820477
col_dup	2614774
col_mul	3087279
count	8159186
count2	421128
do_zero	0
findi	106448790
findi_normalize	106444431
gbezout_step	882
gsmith	0
gsmithall	0
gsnf_no_divide	196
hnf	14
hnf_divscale	197505
hnf_i	61724
hnf_invimage	547541
hnf_invscale	275330
hnf_solve	461157
hnfadd	0
hnfadd_i	92468
hnfall	14
hnfallgen	21
hnfdivide	133
hnffinal	227031
hnflll	7
hnfmerge_get_1	815984
hnfmod	14
hnfmodid	438197
hnfperm	14
hnfspec	0
hnfspec_i	134563
hnfswap	8505600
is_RgX	2590
mathnf0	287
mathnfspec	0
matsnf0	469
must_swap	4626910
negcmpii	602161
normalize_as_RgX	364
optimal_D	5183271
p_mat	0
reduce1	967385
reduce2	53208852
remove_0cols	335648
reverse_rows	465100
smith	385
smithall	35
smithclean	693
snf_group	1029510
snf_pile	1071657
snf_pile1	48
snfrank	154
subzi	6479059
trivsmith	0
update	771830
zlm_echelon	4801508
zv_snf_rank	0

Generated by: LCOV version 1.16