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 30538-858d92d87d) Lines: 1603 1779 90.1 % Date: 2025-11-07 09:22:46 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	25206
ZM_hnfall	29159
hnf_i	61743
ZM_snfall	64203
ZM_hnf	89397
hnfadd_i	92359
ZV_extgcd	110572
ZV_gcdext_i	110586
hnfspec_i	134816
ZM_hnfmod	162579
hnf_divscale	197437
ZV_snfclean	227090
ZM_rowrankprofile	227175
hnffinal	227175
ZM_hnflll	232704
hnf_invscale	275337
ZV_snf_group	316769
ZV_snfall	316769
ZV_allequal	322723
remove_0cols	335629
count2	421247
hnfmodid	438210
allhnfmod	438224
hnf_solve	461158
reverse_rows	465397
ZpM_echelon	528240
hnf_invimage	547293
negcmpii	602129
ZM_snf_group	712917
ZM_hnfall_i	752436
update	771799
ZM_snfall_i	796585
hnfmerge_get_1	816120
bezout_step	820446
reduce1	967385
ZMrow_divexact_inplace	976623
ZM_snfclean	1029748
snf_group	1029752
snf_pile	1071852
ZM_snf_no_divide	1235327
ZM_redpart	1551942
Minus	2058657
col_dup	2616882
col_mul	3087145
ZM_hnfmodprime	3363979
FpM_echelon	3363980
FpM_hnfend	3364256
ZM_reduce	4477131
ZM_hnfmodid	4530944
must_swap	4632139
zlm_echelon	4801398
ZM_hnfmodall	5133600
optimal_D	5182727
ZM_hnfmodall_i	5184875
FpV_Fp_mul_part_ip	5411201
subzi	6459148
count	8150404
hnfswap	8500624
ZC_lincomb1z	21864883
ZC_lincomb1z_i	21876386
FpV_red_part_ipvec	37676171
ZC_elem	41183932
affii2_or_copy_gc	47840670
reduce2	53022047
findi_normalize	106073002
findi	106079633
addzi	239560986
addmulzii	518275241

Generated by: LCOV version 1.16