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 - base2.c (source / functions) Hit Total Coverage Test: PARI/GP v2.18.1 lcov report (development 30316-0578a48613) Lines: 2228 2369 94.0 % Date: 2025-06-01 09:19:36 Functions: 174 178 97.8 % Legend: Lines: hit not hit

Function Name	Hit count
FqV_to_nfV	0
ZpX_primedec	0
errprime	0
rnfsimplifybasis	0
nfmodprinit	7
rnfhnfbasis	7
rnfisfree	7
rnfdet	14
FqX_non_root	21
rnfbasis	21
rnfsteinitz	28
gen_if_principal	35
poldiscfactors	42
RgV_nffix	49
get_module	63
nfidealdet1	63
nfmodprinit0	77
nfmodprlift	77
rnfdiscf	77
compositum	91
rnfdedekind	91
Z_fac	183
QXQV_to_FpM	203
checkmodpr	210
nfreducemodpr	210
get_coprimes	294
nfmodpr	350
idealprimedec_degrees	371
fix_PE	498
nfcompositum_lambda	511
ZpX_monic_factor	546
rnfdisc_factored	868
expo_is_squarefree	889
ZpX_round4	896
nfbasis	938
ZpX_monic_factor_squarefree	1155
rnfjoinmodules	1329
triv_order	1506
RgX_to_algX	1666
nfX_to_monic	1680
nfM_to_FqM	1872
rnfjoinmodules_i	2111
p_is_prime	2218
update_fact	2341
compositum2	2877
FqM_to_nfM	2934
rnfallbase	2940
get_d	2989
minval	3776
fact_from_factors	4018
rnfmaxord	4067
ffdegree	4109
nfX_sub	4123
rnfdedekind_i	4151
_msqr	4158
fill	4222
pr_factorback	4263
pr_factorback_scal	4263
modpr_genFq	4508
FpX_radical	5692
rnfeltid_powmod	5834
idealprimedec_galois	6552
nfXisintegral	7077
ideal_is1	8049
nfpolisintegral	8225
nfpolisintegral_i	8225
nfX_to_FqX	9373
FqX_to_nfX	10184
polcompositum0	12848
nfcompositum	13401
safe_Z_pvalrem	13930
_sqr	16190
nfXQ_mul	16523
nfX_rem	16523
zk_to_Fq_init	18759
nfX_mul	20646
compositum_fix	26580
nf_pV_to_prVV	26614
nfisintegral	31283
nf_pV_to_prV	38604
indexpartial	44089
redelt	48529
testc2	48529
ZX_rescale_inv	59917
redelt_i	64356
nfdisc	66462
testb2	67220
ZpX_sylvester_echelon	74030
lift_to_zk	92189
diag_denom	99469
nfmaxord	101744
pol_min	117696
get_modpr	137753
get_powers	159580
nfV_to_FqV	167410
zkmodprinit	175369
ZpX_disc_val	184504
init_norm	214407
pradical	214436
get_LV	214445
primedec_end	214445
fnz	221524
loop	238604
Zlx_gcd	246175
ZpX_gcd	254690
Decomp	254693
update_phi	276524
compmod	287136
uniformizer	296748
get_gamma	303386
Fp_basis	307190
RgX_nffix	323006
ei_msqr_mod	347639
get_g	356450
progress	394397
get_pr	411676
ZpM_hnfmodid	454013
maxord_i	454901
split_char	480436
is_uniformizer	502732
get_norm	502742
idealprimedec_limit_norm	505220
QpXV_denom	508775
get_partial_order_as_pols	508784
getprime	563542
dbasis	620027
vstar	624203
get_nu	641212
nfdiscfactors	644777
diag_denomval	685900
newtoncharpoly	699351
mul_intersect	702313
manage_cache	706144
mycaract	706167
newtonsums	706178
maxord_disc	711229
pow_ei_mod_p	738675
setPE	746476
poldiscfactors_i	788719
set_disc	812928
get_maxord	812974
nfmaxord_check_args	812980
sqr_mod	822067
ZpX_reduced_resultant_fast	931904
get_prid	939491
Rg_nffix	945824
pr_anti_uniformizer	966789
ZpX_reduced_resultant	993051
hnf_Znproj	1030269
modprinit	1158160
idealprimedec	1273326
zx_z_div	1531242
ZX_Dedekind	1536949
maxord	1536956
Flx_radical	1599614
Flx_checkdeflate	1599631
QpX_remove_denom	1742901
idealprimedec_limit_f	2700690
primedec_aux	2707604
QpX_denom	2749662
Fq_to_nf	3086531
ZpX_resultant_val	3450813
ZpX_resultant_val_i	3496945
nf_to_Fq_init	3516235
modpr_TAU	3517476
to_ff_init	3535005
update_den	3570171
idealprimedec_kummer	3799773
mk_pr	4257075
ok_modpr	4367637
init_m	4382645
Zlx_sylvester_echelon	4670680
zk_to_Fq	6394929
nf_to_Fq	12639480
gc_nf_to_Fq	13905818
nf_to_Fq_i	13906325
checkprid	17905786
checkprid_i	22875959

Generated by: LCOV version 1.16