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 - buch2.c (source / functions) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30530-11e908049b) Lines: 2215 2530 87.5 % Date: 2025-10-13 09:22:58 Functions: 159 176 90.3 % Legend: Lines: hit not hit

Function Name	Hit count
Buchall	62600
Buchall_deg1	1204
Buchall_param	65231
FB_aut_perm	66275
FBgen	66272
Fincke_Pohst_bound	266150
Fincke_Pohst_ideal	266144
Fincke_Pohst_ideal_both	266156
Fincke_Pohst_ideal_par	0
FlxqX_chinese_unit	1379
GRHchk	496404
GRHok	1532905
RgC_expbitprec	1237073
RgM_expbitprec	48797
RgV_is1	105
SPLIT	1408695
SPLIT_i	1252510
SUnits_archclean	77
Ur_ZC_mul	1392288
Vbase_to_FB	3349
ZM_remove_unused	164
ZV_divrem	1392289
ZV_mul	7283
_nfnewprec	57729
act_arch	2057263
add	2250114
addRe_modIm	6905463
add_cyclotomic_units	64099
add_principal_part	32173
add_rel	2426560
add_rel_i	2910036
add_to_fact	2845229
already_known	2905900
assign_subFB	67030
automorphism_matrices	64084
automorphism_perms	64022
bad_check	96180
bad_subFB	307656
ballvol	66276
be_honest	7
bnf_build_cheapfu	285474
bnf_build_cycgen	26726
bnf_build_matalpha	20
bnf_build_units	50738
bnf_compactfu	37421
bnf_compactfu_mat	70
bnf_get_B	2784592
bnf_get_C	2819170
bnf_get_GD	276769
bnf_get_Ur	1392288
bnf_get_W	1397265
bnf_get_ga	271813
bnf_get_vbase	1392372
bnf_has_fu	285759
bnfinit0	2632
bnfinit_FP_worker	0
bnfisprincipal0	1841072
bnfnewprec	7
bnfnewprec_shallow	97
bnftestprimes	63
bnrnewprec	7
bnrnewprec_shallow	0
buchall_end	65224
cache_prime_dec	921253
can_factor	18220768
chinese_unit	94
chinese_unit_slice	274
chinese_unit_worker	274
class_group_gen	64022
clean_cols	93063
cleanarch	3070742
cleanarchunit	133895
compute_R	96244
compute_invres	64022
compute_multiple_of_R	121720
compute_multiple_of_R_pivot	577156
dbg_newrel	0
delete_FB	66274
delete_cache	64099
diagact_arch	64118
divide_p	5474493
divide_p_elt	2437
divide_p_id	185395
divide_p_quo	5286663
dump_gen	1228027
err_units	0
expand	0
expandext	32192
expbitprec	2840312
extract_full_lattice	64027
fact_ok	1228575
fact_update	1978470
factorgen	16808509
fixarch	1306921
free_GRHcheck	134682
genback	28776
get_archclean	40
get_clg2	64118
get_embs	122414
get_fs	7512189
get_log_embed	725483
get_norm_fact	1231459
get_norm_fact_primes	69
get_pr_lists	1392352
get_random_ideal	55628
get_regulator	48894
get_y	69
getfu	64022
i2print	0
idealHNF_mulred	3506
idealmulpowprime2	4488
init_GRHcheck	134686
init_famat	65770
init_red_mod_units	1107799
init_rel	64098
inv_fact	0
isprincipal	174534
isprincipalall	1408671
isprincipalarch	1237073
isprincipalfact	32192
isprincipalfact_or_fail	0
isprincipalforce	0
isprincipalgen	0
isprincipalgenforce	0
log2Mbound	94
log2fubound	94
makecycgen	4956
makematal	20
makeunits	24915
matbotid	62496
matbotidembs	55465
matenlarge	55465
modIm	204628
myprecdbl	73
needed_bitprec	3849
nf_cxlog_normalize	197126
nfcyclotomicunits	64099
nfsign_from_logarch	162322
nfsign_fu	241144
nfsign_tu	239978
nfsign_units	35
not_given	396
nthideal	64022
pack_FB	0
pr_index	3349
pr_orbit_fill	11865
pre_allocate	122453
prec_arch	1410482
primeneeded	64022
reallocate	64098
recover_partFB	1392352
red_mod_units	1107799
rel_embed	1016410
rnd_rel	55629
rnd_rel_par	0
rnd_rel_seq	55629
set_fact	2253754
set_rel_alpha	947724
signunits	7
small_norm	66748
small_norm_par	0
small_norm_prec	64019
small_norm_seq	66748
split_ideal	1392289
step	28185313
store	9210325
subFB_change	26420
subFBgen	66276
tailres	1129660
tailresback	2259289
trim_list	122453
triv_gen	464660
try_elt	1718
unpack_FB	0
vec_chinese_units	94
wr_rel	0

Generated by: LCOV version 1.16