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 30531-d68fd7cb7d) Lines: 1602 1778 90.1 % Date: 2025-10-16 09:22:45 Functions: 96 106 90.6 % Legend: Lines: hit not hit

Function Name	Hit count
FpM_echelon	3363985
FpM_hnfend	3364097
FpV_Fp_mul_part_ip	5411218
FpV_red_part_ipvec	37678308
Minus	2059187
RgC_elem	511
RgM_hnfall	42
RgM_reduce	84
RgXM_snf	49
ZC_elem	41185331
ZC_lincomb1z	21862915
ZC_lincomb1z_i	21874922
ZM_hnf	89427
ZM_hnf_knapsack	238
ZM_hnfall	29216
ZM_hnfall_i	752500
ZM_hnfcenter	25198
ZM_hnflll	232877
ZM_hnfmod	162578
ZM_hnfmodall	5133775
ZM_hnfmodall_i	5185106
ZM_hnfmodid	4531142
ZM_hnfmodprime	3363994
ZM_hnfperm	385
ZM_redpart	1551855
ZM_reduce	4477375
ZM_rowrankprofile	227346
ZM_snf	15925
ZM_snf_group	712905
ZM_snf_no_divide	1235298
ZM_snfall	64204
ZM_snfall_i	796579
ZM_snfclean	1029738
ZMrow_divexact_inplace	976578
ZV_allequal	322725
ZV_extgcd	110572
ZV_gcdext_i	110586
ZV_hnfgcdext	21
ZV_snf_group	316768
ZV_snf_rank	91
ZV_snf_rank_u	49
ZV_snf_trunc	0
ZV_snfall	316768
ZV_snfclean	227089
ZpM_echelon	528262
addmulzii	518120957
addzi	239538754
affii2_or_copy_gc	47844030
allhnfmod	438233
bezout_step	820417
col_dup	2616761
col_mul	3087007
count	8148711
count2	421153
do_zero	0
findi	106064859
findi_normalize	106055794
gbezout_step	882
gsmith	0
gsmithall	0
gsnf_no_divide	196
hnf	14
hnf_divscale	197446
hnf_i	61716
hnf_invimage	547286
hnf_invscale	275334
hnf_solve	461155
hnfadd	0
hnfadd_i	92537
hnfall	14
hnfallgen	21
hnfdivide	133
hnffinal	227347
hnflll	7
hnfmerge_get_1	816114
hnfmod	14
hnfmodid	438219
hnfperm	14
hnfspec	0
hnfspec_i	134811
hnfswap	8501220
is_RgX	2590
mathnf0	287
mathnfspec	0
matsnf0	469
must_swap	4632166
negcmpii	602134
normalize_as_RgX	364
optimal_D	5182830
p_mat	0
reduce1	967385
reduce2	53015506
remove_0cols	335661
reverse_rows	465727
smith	385
smithall	35
smithclean	693
snf_group	1029745
snf_pile	1071855
snf_pile1	48
snfrank	154
subzi	6459573
trivsmith	0
update	771757
zlm_echelon	4801441
zv_snf_rank	0

Generated by: LCOV version 1.16