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 30532-0c728fd268) Lines: 1602 1778 90.1 % Date: 2025-10-20 09:22:51 Functions: 96 106 90.6 % Legend: Lines: hit not hit

Function Name	Hit count
FpM_echelon	3363930
FpM_hnfend	3364108
FpV_Fp_mul_part_ip	5411193
FpV_red_part_ipvec	37677575
Minus	2059779
RgC_elem	511
RgM_hnfall	42
RgM_reduce	84
RgXM_snf	49
ZC_elem	41182525
ZC_lincomb1z	21871402
ZC_lincomb1z_i	21881632
ZM_hnf	89379
ZM_hnf_knapsack	238
ZM_hnfall	29169
ZM_hnfall_i	752445
ZM_hnfcenter	25198
ZM_hnflll	232952
ZM_hnfmod	162580
ZM_hnfmodall	5133829
ZM_hnfmodall_i	5185136
ZM_hnfmodid	4531171
ZM_hnfmodprime	3363812
ZM_hnfperm	385
ZM_redpart	1551843
ZM_reduce	4476086
ZM_rowrankprofile	227421
ZM_snf	15925
ZM_snf_group	712895
ZM_snf_no_divide	1235331
ZM_snfall	64204
ZM_snfall_i	796570
ZM_snfclean	1029744
ZMrow_divexact_inplace	976598
ZV_allequal	322723
ZV_extgcd	110572
ZV_gcdext_i	110586
ZV_hnfgcdext	21
ZV_snf_group	316770
ZV_snf_rank	91
ZV_snf_rank_u	49
ZV_snf_trunc	0
ZV_snfall	316770
ZV_snfclean	227086
ZpM_echelon	528257
addmulzii	518168458
addzi	239508160
affii2_or_copy_gc	47846431
allhnfmod	438229
bezout_step	820440
col_dup	2616836
col_mul	3087070
count	8150828
count2	421356
do_zero	0
findi	106088843
findi_normalize	106080491
gbezout_step	882
gsmith	0
gsmithall	0
gsnf_no_divide	196
hnf	14
hnf_divscale	197443
hnf_i	61715
hnf_invimage	547296
hnf_invscale	275333
hnf_solve	461153
hnfadd	0
hnfadd_i	92605
hnfall	14
hnfallgen	21
hnfdivide	133
hnffinal	227422
hnflll	7
hnfmerge_get_1	816105
hnfmod	14
hnfmodid	438215
hnfperm	14
hnfspec	0
hnfspec_i	134816
hnfswap	8504064
is_RgX	2590
mathnf0	287
mathnfspec	0
matsnf0	469
must_swap	4632370
negcmpii	602135
normalize_as_RgX	364
optimal_D	5183064
p_mat	0
reduce1	967385
reduce2	53026336
remove_0cols	335605
reverse_rows	465888
smith	385
smithall	35
smithclean	693
snf_group	1029750
snf_pile	1071865
snf_pile1	48
snfrank	154
subzi	6460635
trivsmith	0
update	771785
zlm_echelon	4801376
zv_snf_rank	0

Generated by: LCOV version 1.16