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 - buch2.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30365-beea1ff998) Lines: 2197 2397 91.7 %
Date: 2025-07-02 09:21:24 Functions: 155 166 93.4 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
bnrnewprec_shallow 0
dbg_newrel 0
err_units 0
expand 0
i2print 0
inv_fact 0
isprincipalfact_or_fail 0
isprincipalforce 0
isprincipalgen 0
isprincipalgenforce 0
wr_rel 0
be_honest 7
bnfnewprec 7
bnrnewprec 7
signunits 7
bnf_build_matalpha 20
makematal 20
nfsign_units 35
get_archclean 40
bnftestprimes 63
get_norm_fact_primes 69
get_y 69
bnf_compactfu_mat 70
myprecdbl 73
SUnits_archclean 77
chinese_unit 94
log2Mbound 94
log2fubound 94
vec_chinese_units 94
bnfnewprec_shallow 97
RgV_is1 105
ZM_remove_unused 164
chinese_unit_slice 274
chinese_unit_worker 274
not_given 389
Buchall_deg1 1204
FlxqX_chinese_unit 1379
try_elt 1649
divide_p_elt 2348
bnfinit0 2618
Vbase_to_FB 3349
pr_index 3349
idealHNF_mulred 3510
needed_bitprec 3831
idealmulpowprime2 4488
makecycgen 4956
ZV_mul 7283
pr_orbit_fill 11865
makeunits 24908
subFB_change 26389
bnf_build_cycgen 26725
genback 28770
add_principal_part 32151
expandext 32173
isprincipalfact 32173
bnf_compactfu 37415
RgM_expbitprec 48789
get_regulator 48886
bnf_build_units 50731
matbotidembs 55442
matenlarge 55444
get_random_ideal 55601
rnd_rel 55601
_nfnewprec 57723
matbotid 62484
Buchall 62601
automorphism_perms 64008
class_group_gen 64008
compute_invres 64008
getfu 64008
nthideal 64008
primeneeded 64008
extract_full_lattice 64015
automorphism_matrices 64068
init_rel 64080
reallocate 64080
add_cyclotomic_units 64081
delete_cache 64081
nfcyclotomicunits 64081
diagact_arch 64104
get_clg2 64104
buchall_end 65212
Buchall_param 65218
init_famat 65756
FBgen 66257
FB_aut_perm 66258
ballvol 66258
delete_FB 66258
subFBgen 66258
small_norm 66726
assign_subFB 67020
clean_cols 93009
bad_check 96173
compute_R 96237
compute_multiple_of_R 121683
get_embs 122361
pre_allocate 122400
trim_list 122400
cleanarchunit 133864
init_GRHcheck 134654
free_GRHcheck 134658
nfsign_from_logarch 162322
isprincipal 174513
divide_p_id 185344
nf_cxlog_normalize 194924
modIm 204582
nfsign_tu 239978
nfsign_fu 241148
Fincke_Pohst_bound 265654
Fincke_Pohst_ideal 265660
bnf_get_ga 271794
bnf_get_GD 276750
bnf_build_cheapfu 285479
bnf_has_fu 285759
bad_subFB 307507
triv_gen 464583
GRHchk 496207
compute_multiple_of_R_pivot 576951
get_log_embed 723797
cache_prime_dec 920973
set_rel_alpha 946119
rel_embed 1014653
red_mod_units 1107780
init_red_mod_units 1107781
tailres 1129371
dump_gen 1225894
fact_ok 1226446
get_norm_fact 1229314
RgC_expbitprec 1234924
isprincipalarch 1234925
SPLIT_i 1250411
fixarch 1304763
split_ideal 1390137
Ur_ZC_mul 1390141
ZV_divrem 1390141
bnf_get_Ur 1390141
get_pr_lists 1390201
recover_partFB 1390201
bnf_get_vbase 1390220
bnf_get_W 1395113
isprincipalall 1406502
SPLIT 1406546
prec_arch 1408312
GRHok 1532687
bnfisprincipal0 1838850
fact_update 1978588
act_arch 2055032
add 2247859
set_fact 2249960
tailresback 2258721
add_rel 2422435
bnf_get_B 2780294
bnf_get_C 2814831
expbitprec 2838080
add_to_fact 2841487
already_known 2901688
add_rel_i 2905821
cleanarch 3064783
divide_p_quo 5271001
divide_p 5458691
addRe_modIm 6896368
get_fs 7506333
store 9190712
factorgen 16711419
can_factor 18121484
step 28024698

Generated by: LCOV version 1.16