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:

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 30425-4669acb345) Lines: 1602 1778 90.1 %
Date: 2025-07-30 09:23:31 Functions: 96 106 90.6 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
FpM_echelon 3361436
FpM_hnfend 3361609
FpV_Fp_mul_part_ip 5408107
FpV_red_part_ipvec 37665130
Minus 2056907
RgC_elem 511
RgM_hnfall 42
RgM_reduce 84
RgXM_snf 49
ZC_elem 41184576
ZC_lincomb1z 21844589
ZC_lincomb1z_i 21854522
ZM_hnf 89426
ZM_hnf_knapsack 238
ZM_hnfall 29177
ZM_hnfall_i 752448
ZM_hnfcenter 25202
ZM_hnflll 232687
ZM_hnfmod 162557
ZM_hnfmodall 5131405
ZM_hnfmodall_i 5182701
ZM_hnfmodid 4528800
ZM_hnfmodprime 3361435
ZM_hnfperm 385
ZM_redpart 1551830
ZM_reduce 4478593
ZM_rowrankprofile 227156
ZM_snf 15925
ZM_snf_group 712863
ZM_snf_no_divide 1235304
ZM_snfall 64189
ZM_snfall_i 796526
ZM_snfclean 1029707
ZMrow_divexact_inplace 976581
ZV_allequal 322718
ZV_extgcd 110572
ZV_gcdext_i 110586
ZV_hnfgcdext 21
ZV_snf_group 316765
ZV_snf_rank 91
ZV_snf_rank_u 49
ZV_snf_trunc 0
ZV_snfall 316765
ZV_snfclean 227089
ZpM_echelon 528254
addmulzii 517786149
addzi 239248081
affii2_or_copy_gc 47794264
allhnfmod 438226
bezout_step 820431
col_dup 2615191
col_mul 3087133
count 8104084
count2 420990
do_zero 0
findi 106004393
findi_normalize 105996328
gbezout_step 882
gsmith 0
gsmithall 0
gsnf_no_divide 196
hnf 14
hnf_divscale 197440
hnf_i 61726
hnf_invimage 547281
hnf_invscale 275318
hnf_solve 461159
hnfadd 0
hnfadd_i 92356
hnfall 14
hnfallgen 21
hnfdivide 133
hnffinal 227158
hnflll 7
hnfmerge_get_1 816112
hnfmod 14
hnfmodid 438212
hnfperm 14
hnfspec 0
hnfspec_i 134802
hnfswap 8494441
is_RgX 2590
mathnf0 287
mathnfspec 0
matsnf0 469
must_swap 4630368
negcmpii 602128
normalize_as_RgX 364
optimal_D 5180687
p_mat 0
reduce1 967385
reduce2 52982224
remove_0cols 335626
reverse_rows 465362
smith 385
smithall 35
smithclean 693
snf_group 1029713
snf_pile 1071826
snf_pile1 48
snfrank 154
subzi 6456838
trivsmith 0
update 771797
zlm_echelon 4797693
zv_snf_rank 0

Generated by: LCOV version 1.16