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: 2025-07-10 09:22:50 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	15869
ZM_hnfcenter	25197
ZM_hnfall	29128
hnf_i	61676
ZM_snfall	64190
ZM_hnf	89326
hnfadd_i	92456
ZV_extgcd	110572
ZV_gcdext_i	110586
hnfspec_i	134787
ZM_hnfmod	162501
hnf_divscale	197414
ZV_snfclean	227087
ZM_rowrankprofile	227242
hnffinal	227244
ZM_hnflll	232752
hnf_invscale	275322
ZV_snf_group	316764
ZV_snfall	316764
ZV_allequal	322722
remove_0cols	335531
count2	421034
hnfmodid	438187
allhnfmod	438200
hnf_solve	461150
reverse_rows	465486
ZpM_echelon	528250
hnf_invimage	547284
negcmpii	602128
ZM_snf_group	712805
ZM_hnfall_i	752404
update	771805
ZM_snfall_i	796413
hnfmerge_get_1	816104
bezout_step	820415
reduce1	967385
ZMrow_divexact_inplace	976551
ZM_snfclean	1029696
snf_group	1029700
snf_pile	1071757
ZM_snf_no_divide	1235233
ZM_redpart	1551722
Minus	2057095
col_dup	2615050
col_mul	3087129
ZM_hnfmodprime	3361366
FpM_echelon	3361373
FpM_hnfend	3361541
ZM_reduce	4470330
ZM_hnfmodid	4528930
must_swap	4629562
zlm_echelon	4797746
ZM_hnfmodall	5131486
optimal_D	5180753
ZM_hnfmodall_i	5182773
FpV_Fp_mul_part_ip	5408090
subzi	6455122
count	8102003
hnfswap	8495296
ZC_lincomb1z	21843959
ZC_lincomb1z_i	21854308
FpV_red_part_ipvec	37666668
ZC_elem	41171429
affii2_or_copy_gc	47780632
reduce2	52984005
findi_normalize	105988652
findi	105995714
addzi	239264825
addmulzii	517669933

Generated by: LCOV version 1.16