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 30387-12623f1693) Lines: 1602 1778 90.1 % Date: 2025-07-11 09:22:46 Functions: 96 106 90.6 % Legend: Lines: hit not hit

Function Name	Hit count
FpM_echelon	3361361
FpM_hnfend	3361547
FpV_Fp_mul_part_ip	5408090
FpV_red_part_ipvec	37668180
Minus	2056686
RgC_elem	511
RgM_hnfall	42
RgM_reduce	84
RgXM_snf	49
ZC_elem	41181427
ZC_lincomb1z	21850247
ZC_lincomb1z_i	21859940
ZM_hnf	89392
ZM_hnf_knapsack	238
ZM_hnfall	29159
ZM_hnfall_i	752422
ZM_hnfcenter	25201
ZM_hnflll	232758
ZM_hnfmod	162504
ZM_hnfmodall	5131552
ZM_hnfmodall_i	5182836
ZM_hnfmodid	4528999
ZM_hnfmodprime	3361377
ZM_hnfperm	385
ZM_redpart	1551711
ZM_reduce	4477899
ZM_rowrankprofile	227249
ZM_snf	15869
ZM_snf_group	712827
ZM_snf_no_divide	1235212
ZM_snfall	64190
ZM_snfall_i	796432
ZM_snfclean	1029684
ZMrow_divexact_inplace	976584
ZV_allequal	322723
ZV_extgcd	110572
ZV_gcdext_i	110586
ZV_hnfgcdext	21
ZV_snf_group	316764
ZV_snf_rank	91
ZV_snf_rank_u	49
ZV_snf_trunc	0
ZV_snfall	316763
ZV_snfclean	227093
ZpM_echelon	528263
addmulzii	517900630
addzi	239431606
affii2_or_copy_gc	47792276
allhnfmod	438196
bezout_step	820355
col_dup	2615069
col_mul	3086956
count	8104239
count2	420935
do_zero	0
findi	106008718
findi_normalize	106004227
gbezout_step	882
gsmith	0
gsmithall	0
gsnf_no_divide	196
hnf	14
hnf_divscale	197406
hnf_i	61710
hnf_invimage	547298
hnf_invscale	275326
hnf_solve	461167
hnfadd	0
hnfadd_i	92463
hnfall	14
hnfallgen	21
hnfdivide	133
hnffinal	227249
hnflll	7
hnfmerge_get_1	816103
hnfmod	14
hnfmodid	438182
hnfperm	14
hnfspec	0
hnfspec_i	134786
hnfswap	8496208
is_RgX	2590
mathnf0	287
mathnfspec	0
matsnf0	469
must_swap	4631830
negcmpii	602130
normalize_as_RgX	364
optimal_D	5180794
p_mat	0
reduce1	967385
reduce2	52991409
remove_0cols	335591
reverse_rows	465507
smith	385
smithall	35
smithclean	693
snf_group	1029687
snf_pile	1071761
snf_pile1	48
snfrank	154
subzi	6456808
trivsmith	0
update	771751
zlm_echelon	4797746
zv_snf_rank	0

Generated by: LCOV version 1.16