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 30536-6f6fcf9613) Lines: 1603 1779 90.1 % Date: 2025-11-06 09:21:54 Functions: 96 106 90.6 % Legend: Lines: hit not hit

Function Name	Hit count
FpM_echelon	3363923
FpM_hnfend	3364102
FpV_Fp_mul_part_ip	5411187
FpV_red_part_ipvec	37674724
Minus	2059474
RgC_elem	511
RgM_hnfall	42
RgM_reduce	84
RgXM_snf	49
ZC_elem	41183169
ZC_lincomb1z	21865406
ZC_lincomb1z_i	21876849
ZM_hnf	89399
ZM_hnf_knapsack	238
ZM_hnfall	29172
ZM_hnfall_i	752448
ZM_hnfcenter	25200
ZM_hnflll	232837
ZM_hnfmod	162582
ZM_hnfmodall	5133450
ZM_hnfmodall_i	5184766
ZM_hnfmodid	4530797
ZM_hnfmodprime	3363929
ZM_hnfperm	385
ZM_redpart	1551936
ZM_reduce	4477800
ZM_rowrankprofile	227308
ZM_snf	15925
ZM_snf_group	712891
ZM_snf_no_divide	1235357
ZM_snfall	64204
ZM_snfall_i	796567
ZM_snfclean	1029747
ZMrow_divexact_inplace	976573
ZV_allequal	322716
ZV_extgcd	110572
ZV_gcdext_i	110586
ZV_hnfgcdext	21
ZV_snf_group	316769
ZV_snf_rank	91
ZV_snf_rank_u	49
ZV_snf_trunc	0
ZV_snfall	316768
ZV_snfclean	227085
ZpM_echelon	528261
addmulzii	518112072
addzi	239435217
affii2_or_copy_gc	47843340
allhnfmod	438232
bezout_step	820469
col_dup	2616731
col_mul	3087211
count	8149555
count2	421272
do_zero	0
findi	106086867
findi_normalize	106077681
gbezout_step	882
gsmith	0
gsmithall	0
gsnf_no_divide	196
hnf	14
hnf_divscale	197453
hnf_i	61732
hnf_invimage	547294
hnf_invscale	275336
hnf_solve	461154
hnfadd	0
hnfadd_i	92494
hnfall	14
hnfallgen	21
hnfdivide	133
hnffinal	227309
hnflll	7
hnfmerge_get_1	816111
hnfmod	14
hnfmodid	438219
hnfperm	14
hnfspec	0
hnfspec_i	134813
hnfswap	8503342
is_RgX	2590
mathnf0	287
mathnfspec	0
matsnf0	469
must_swap	4632924
negcmpii	602125
normalize_as_RgX	364
optimal_D	5182613
p_mat	0
reduce1	967385
reduce2	53024626
remove_0cols	335619
reverse_rows	465648
smith	385
smithall	35
smithclean	693
snf_group	1029752
snf_pile	1071859
snf_pile1	48
snfrank	154
subzi	6460568
trivsmith	0
update	771822
zlm_echelon	4801367
zv_snf_rank	0

Generated by: LCOV version 1.16