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 30586-ccf601f509) Lines: 1605 1779 90.2 % Date: 2025-12-25 09:21:36 Functions: 96 106 90.6 % Legend: Lines: hit not hit

Function Name	Hit count
ZV_snf_trunc	0
do_zero	0
gsmith	0
gsmithall	0
hnfadd	0
hnfspec	0
mathnfspec	0
p_mat	0
trivsmith	0
zv_snf_rank	0
hnflll	7
hnf	14
hnfall	14
hnfmod	14
hnfperm	14
ZV_hnfgcdext	21
hnfallgen	21
smithall	35
RgM_hnfall	42
snf_pile1	48
RgXM_snf	49
ZV_snf_rank_u	49
RgM_reduce	84
ZV_snf_rank	91
hnfdivide	133
snfrank	154
gsnf_no_divide	196
ZM_hnf_knapsack	238
mathnf0	287
normalize_as_RgX	364
ZM_hnfperm	385
smith	385
matsnf0	469
RgC_elem	511
smithclean	693
gbezout_step	882
is_RgX	2590
ZM_snf	15925
ZM_hnfcenter	25174
ZM_hnfall	29212
hnf_i	61726
ZM_snfall	64183
ZM_hnf	89433
hnfadd_i	92501
ZV_extgcd	110572
ZV_gcdext_i	110586
hnfspec_i	134565
ZM_hnfmod	162547
hnf_divscale	197503
ZM_rowrankprofile	227065
hnffinal	227066
ZV_snfclean	227095
ZM_hnflll	232596
hnf_invscale	275319
ZV_snf_group	316798
ZV_snfall	316798
ZV_allequal	322707
remove_0cols	335654
count2	421110
hnfmodid	438200
allhnfmod	438214
hnf_solve	461153
reverse_rows	465178
ZpM_echelon	528143
hnf_invimage	547535
negcmpii	602158
ZM_snf_group	712643
ZM_hnfall_i	752490
update	771813
ZM_snfall_i	796294
hnfmerge_get_1	815986
bezout_step	820434
reduce1	967385
ZMrow_divexact_inplace	976402
ZM_snfclean	1029489
snf_group	1029493
snf_pile	1071645
ZM_snf_no_divide	1235301
ZM_redpart	1551864
Minus	2057145
col_dup	2614842
col_mul	3087202
FpM_echelon	3364226
ZM_hnfmodprime	3364237
FpM_hnfend	3364258
ZM_reduce	4479985
ZM_hnfmodid	4531758
must_swap	4628154
zlm_echelon	4801495
ZM_hnfmodall	5134352
optimal_D	5183508
ZM_hnfmodall_i	5185481
FpV_Fp_mul_part_ip	5411177
subzi	6480661
count	8158370
hnfswap	8505771
ZC_lincomb1z	21894038
ZC_lincomb1z_i	21902554
FpV_red_part_ipvec	37686773
ZC_elem	41198149
affii2_or_copy_gc	48039827
reduce2	53216306
findi_normalize	106454905
findi	106465894
addzi	240352228
addmulzii	520489174

Generated by: LCOV version 1.16