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 - headers - pariinl.h (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30604-e5d817ee12) Lines: 1421 1535 92.6 %
Date: 2026-01-10 09:22:24 Functions: 649 707 91.8 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
F2m_clear 0
F2xX_shift 0
F3m_copy 0
F3m_set 0
FlxqX_div 0
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQ_add 0
FpXQ_sub 0
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_divrem 0
FqX_halfgcd 0
FqX_integ 0
FqXn_exp 0
FqXn_sqr 0
R_abs 0
RgX_isscalar 0
bid_get_gen_nocheck 0
bid_get_no 0
cbrtr 0
cbrtr_abs 0
closure_get_code 0
gchar_get_U 0
gchar_get_hnf 0
gmaxsg 0
gminsg 0
inv_content 0
is_qfb_t 0
mkcol4s 0
mkerr 0
mkmat5 0
mkvec5s 0
mkvec6 0
pari_err_FILE 0
pari_err_MAXPRIME 0
pari_err_PACKAGE 0
polx_zx 0
random_Fq 0
truecoef 0
trunc_safe 0
vec_setconst 0
vecmodii 0
vecsmall_coincidence 0
zero_F2m 0
zero_zm 0
zero_zx 0
zm_copy 0
zm_row 0
zm_to_zxV 0
zx_shift 0
zx_to_zv 0
FqX_ddf 7
FqX_factor_squarefree 7
mkrfraccopy 14
pari_err_BUG 14
znstar_get_no 14
RgM_gtomp 21
mkvec4s 21
pari_err_CONSTPOL 21
vecsmall_indexmax 21
vecsmall_indexmin 21
pari_err_FILEDESC 36
F2v_ei 42
RgV_gtofp 56
pari_err_IRREDPOL 63
pari_err_ROOTS0 63
bnr_get_gen_nocheck 70
mkmat4 84
pari_err_COPRIME 84
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
mkcol5 94
Z_ispower 98
pari_err_FLAG 98
pari_err_PRIME 98
rnf_get_index 105
ellnf_get_bnf 119
RgX_to_RgV 140
pari_err_OVERFLOW 156
mkvecs 168
FqX_to_mod 175
pari_err_COMPONENT 214
nbits2ndec 228
pari_err_PREC 238
pari_err_PRIORITY 245
zm_transpose 266
rowsplice 273
err_get_compo 294
pol_xnall 294
mkvec6s 301
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 357
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
pari_err_IMPL 539
vecsmall_lengthen 547
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 630
gchar_set_nalg 630
gchar_set_nfree 630
gchar_set_ntors 630
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 945
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1225
gchar_set_prec 1225
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1288
locs_get_famod 1288
FqX_powu 1295
pari_err_MODULUS 1316
zero_F2x 1350
rnf_get_idealdisc 1386
rnf_get_alpha 1428
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_get_sfu 1743
gchar_set_evalprec 1813
mkintmodu 1813
gchar_get_nm 1869
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecsmall_min 2345
vecreverse_inplace 2605
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2862
gchar_set_nfprec 2968
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3983
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4144
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4445
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6006
FqX_get_red 6090
gval 6230
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
rnf_get_nfzk 7245
FqX_roots 7273
submuliu 7700
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8372
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13628
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15435
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18960
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22081
gtomp 22428
RgM_fpnorml2 22661
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23758
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27867
gal_get_invvdm 27874
absfrac_shallow 28237
gequalgs 29176
zerovec_block 29654
gener_Fq_local 29946
gal_get_roots 32732
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33549
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37065
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37941
FqX_div 38565
FqX_deriv 40061
mkcols 40411
bid_get_arch 41187
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47720
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58503
RgX_fpnorml2 61494
err_get_num 62536
bid_get_gen 64274
nf_get_ramified_primes 64644
RgX_is_rational 68164
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69699
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73652
vecsmall_shorten 75638
bnr_get_mod 77119
gal_get_group 80388
mkcol3 88314
gtou 99534
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108789
zeromat 109093
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114526
Q_abs_shallow 120229
mkmatcopy 122279
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138431
zeroser 138908
RgV_is_QV 140732
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 185036
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200480
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220251
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238229
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249620
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277483
gchar_get_zm 281911
bnf_get_tuN 282997
bnf_get_fu_nocheck 289089
bnf_get_tuU 303580
nf_get_G 304873
vec_prepend 313998
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334020
cxtoreal 337207
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 354942
ZM_hnfrem 363801
FqX_mul 367702
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384910
RgX_is_QX 399929
perm_conj 418299
FqX_Fq_mul 427304
FqX_extgcd 444667
Z_issquare 458711
nf_get_disc 463477
precdbl 475369
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519551
mkvec3s 524441
gdivsg 531592
addmuliu 535790
FqX_Fp_mul 571440
prec2nbits_mul 581165
vecsmall_ei 584750
ZM_ZV_mod 596457
RgC_fpnorml2 619847
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754836
gcmpgs 761930
row 763892
rnf_get_nf 786086
ellff_get_a4a6 800040
zero_F2m_copy 845071
FpXX_renormalize 849917
zeropadic 855694
gmin_shallow 877652
affgr 898866
ZXQ_sqr 960428
cgetc 975459
Flx_lead 978832
polx_F2x 1078811
pr_norm 1090500
sstoQ 1097215
Fp_invsafe 1100353
Flx_mulu 1105460
vecsmall_max 1164073
mkfracss 1209563
RgV_isscalar 1210266
gen_I 1269701
RgX_is_monomial 1331389
mkoo 1331943
bnf_get_sunits 1367775
rnf_get_absdegree 1392746
bnr_get_nf 1399067
zero_Flx 1426784
guncloneNULL_deep 1430234
constant_coeff 1441127
Rg_col_ei 1451032
inf_get_sign 1452988
vecsmall_concat 1464157
nf_get_varn 1503559
bid_get_mod 1521922
F2m_flip 1554490
F2v_flip 1554490
F2x_flip 1554490
F2x_div 1571548
uutoQ 1600198
nf_get_roots 1628935
bnf_get_gen 1680307
vec_ei 1713861
mkvecsmall5 1717508
gsubgs 1724800
ulogint 1727416
nf_get_roundG 1748170
abgrp_get_gen 1765021
ellinf 1869950
modpr_get_p 1887627
killblock 1917794
get_F2x_degree 1929081
Flx_div 1997985
ellnf_get_nf 2027231
ellff_get_field 2036877
bnr_get_bid 2046086
ell_get_j 2126269
bid_get_MOD 2157239
bid_get_sprk 2157968
ZXQ_mul 2161250
zv_copy 2183753
bid_get_fact2 2201560
gc_slice 2204088
pol_xn 2249269
pari_realloc_ip 2255680
bid_get_archp 2397094
bid_get_fact 2498928
get_F2x_mod 2499234
rnf_get_degree 2506335
bnr_get_cyc 2522471
get_F2x_var 2533998
ell_get_b4 2550216
Flv_copy 2554997
mul_content 2657149
RgX_coeff 2669861
vecslicepermute 2690690
hash_str 2756815
cyc_get_expo 2757565
perm_inv 2781892
sqrtnr 2810226
zero_Flm 2829572
bnr_get_clgp 2830252
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874114
bnf_get_logfu 2874759
gisdouble 2996591
mkpolmod 3103726
Fq_red 3106315
bit_accuracy_mul 3175472
ZV_to_zv 3211406
identity_perm 3241707
F3m_coeff 3255870
identity_zv 3266057
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394362
vec_append 3465073
zero_F2v 3647772
bid_get_U 3680219
bnf_get_cyc 3686143
bnr_get_bnf 3710937
nf_get_index 3711383
pol_1 3755692
pol_x 3856964
ell_get_b6 3863115
mulsubii 3882086
pol1_F2x 3957640
vec_to_vecsmall 4036631
vecsmall_append 4099617
sqrfrac 4148286
vecsmall_copy 4403916
mkcol2s 4416244
F2x_equal 4667844
FpXQX_renormalize 4694164
mkmat 4750912
qfb_disc3 4995941
mkfraccopy 4999653
is_rational_t 5032504
bnf_get_clgp 5374992
nf_get_zkprimpart 5414062
nf_get_zkden 5459842
pari_stack_delete 5568154
FpX_div 5581196
checkell_i 5593277
isintm1 5710148
bid_get_cyc 5739804
bid_get_grp 5804653
col_ei 5924492
pari_stack_init 6051963
get_FpX_degree 6424398
Flm_copy 6433438
sqrti 6610310
get_FpX_var 6957841
RgX_div 7000642
vecsmall_lexcmp 7043256
ell_get_a2 7106186
ZM_lll 7117874
RgX_gtofp 7144812
znstar_get_faN 7331711
ell_get_b2 7371038
ZX_is_monic 7374315
zc_to_ZC 7824586
vecsmall_to_col 7838768
znstar_get_conreycyc 7979693
F2m_coeff 8039291
Q_abs 8062629
mkintmod 8092807
ZV_ZV_mod 8131500
RgM_gtofp 8258269
Flx_equal1 8329980
gc_INT_affii 8487182
ell_get_a4 8536727
Flm_row 8740786
ell_get_a3 8814062
ell_get_a1 8997094
cxtofp 9079726
veclast 9372724
ismpzero 9584641
is_intreal_t 9584743
const_col 9729715
RgM_dimensions 9741719
nf_get_invzk 9767434
bnf_get_nf 9865146
mkvec4 10093871
ser_isexactzero 10120284
ell_get_a6 10370965
mkcol 10639638
ZC_hnfrem 10697501
mul_denom 10707646
ell_get_c4 11017714
Fp_addmul 11272250
vectrunc_init 11766199
pr_get_gen 12070956
abgrp_get_cyc 12230768
F2v_clear 12354451
F2x_clear 12354464
ell_get_type 12498932
nbits2nlong 12749996
pol0_F2x 13249936
ell_get_c6 13474069
gmax_shallow 13510200
modpr_get_T 13867160
closure_get_frame 14158265
zeromatcopy 14250346
rowpermute 14705675
Fp_div 15035209
Fp_divu 15129693
mkvec5 15185689
vectrunc_append 15851249
pr_get_e 16161851
ell_get_disc 16814749
matslice 16819363
normalize_frac 17205162
pr_is_inert 17223969
isint1 17584771
Fp_center_i 18013823
cxcompotor 18211148
qfb_disc 18502473
mkvecsmall4 18653718
const_vecsmall 19705963
vecpermute 20547873
Fp_double 20884919
Flx_div_pre 21686551
nf_get_M 21745240
RgM_shallowcopy 22179167
RgX_is_ZX 22422922
gmulgs 22630338
Fp_inv 23440900
nf_get_r1 23465681
ZV_isscalar 23674451
get_Flx_mod 25593822
pr_get_f 26442967
RgX_equal_var 26883023
shallowcopy 27631805
mkqfb 27929983
zerovec 28453627
modpr_get_pr 31236646
Fp_neg 31480251
hash_str_len 31545025
submulii 31982591
RgV_is_ZV 32158281
mkmat2 33654518
RgC_gtofp 34034221
const_vec 34477513
zero_zv 36734975
polx_Flx 37482580
lincombii 38231093
znstar_get_N 38655073
mkfrac 41641749
zeropol 42353991
powii 43130387
is_vec_t 43936942
closure_is_variadic 44790118
absfrac 46638765
guncloneNULL 47926198
pr_get_tau 49768363
mkmat22 50284670
ell_is_inf 52355503
QV_isscalar 54416227
pol1_Flx 55050617
addmuliu_inplace 59651193
zero_Flv 59674117
submuliu_inplace 60141101
F2x_copy 60474584
gtodouble 60779362
is_real_t 62062455
qfb_is_qfi 62327552
Fp_sqr 63493389
Fp_mulu 67542086
get_Flx_var 68346121
mkvec 71106241
nf_get_degree 71369680
Fp_center 77150054
vecsmallpermute 78696288
rowslice 79309264
sqrtr 80370922
perm_mul 80891819
Fp_red 82191395
get_Flx_degree 82259132
pol_0 82996644
gtos 85855707
is_noncalc_t 85871742
cxnorm 91196157
mkcomplex 91606698
pr_get_p 92750324
dbllog2r 92814210
nf_get_pol 98108043
vecsmalltrunc_append 100893110
F2v_set 101404149
cgiv 102682446
RgX_copy 103406504
pol0_Flx 103479009
prec2nbits 103961158
mkvecsmall3 104170566
vecsmall_prefixcmp 108088071
gc_all 109638256
F2x_renormalize 115324029
mkvec3 117811556
zerocol 122336506
gaddgs 123248633
both_odd 123888955
F2x_set 124777744
nchar2nlong 127394879
mkvecsmall 131638321
equalim1 139505122
bit_prec 143259079
FpX_renormalize 144207835
ZX_renormalize 154963891
mkcol2 156890107
nbrows 157469631
leading_coeff 170259031
Flx_copy 173170698
Fp_add 181077056
mkvec2 185835200
nbits2prec 186131283
vecsmalltrunc_init 191093786
Fp_mul 200795703
Fp_sub 202508910
mkvecsmall2 234824653
gtofp 254343658
gc_GEN 255486470
gmulgu 282059385
lg_increase 319911047
closure_get_data 321616733
closure_get_oper 321638985
closure_codestr 321654804
is_universal_constant 325924264
lgcols 351598030
closure_arity 371510945
is_scalar_t 375657523
bin_copy 496060792
pari_free 509459032
is_bigint 563401940
leafcopy_avma 577031494
vecslice 655828360
is_matvec_t 659583867
F2v_coeff 661324596
F2x_coeff 667915968
pari_malloc 745360948
pari_stack_new 925034227
GENbinbase 961905861
pari_stack_alloc 1019719606
pari_stack_base 1025222331
gc_leaf 1136224489
equali1 1174342860
nbits2extraprec 1457756597
gc_upto 1953548682
odd 2089642329
is_pm1 2205177072
lgpol 2685597583
isintzero 2844126162
bit_accuracy 3159931888
gc_INT 4110694828
prec2lg 4467788164
is_const_t 4898137785
degpol 5487525607
remsBIL 8000223709
icopy_avma 8039959539
divsBIL 8090892389
isonstack 8271128945
is_recursive_t 9234712741

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