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 30658-0716cf3506) Lines: 1421 1535 92.6 %
Date: 2026-01-31 09:22:40 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
F2m_coeff 8034609
F2m_copy 200419
F2m_flip 1552778
F2m_set 798
F2v_clear 12351326
F2v_coeff 661296655
F2v_copy 4487
F2v_ei 42
F2v_flip 1552778
F2v_set 101399812
F2v_to_F2x 37597
F2xX_shift 0
F2x_clear 12351312
F2x_coeff 667878419
F2x_copy 59756625
F2x_div 1556901
F2x_equal 4604341
F2x_equal1 2873932
F2x_flip 1552778
F2x_renormalize 114390208
F2x_set 124538841
F2xqX_div 33173
F3m_coeff 3255916
F3m_copy 0
F3m_set 0
Flm_copy 6433541
Flm_row 8741185
Flv_copy 2555051
Flx_constant 333952
Flx_copy 173208380
Flx_div 1998032
Flx_div_pre 21688086
Flx_equal1 8329712
Flx_lead 978039
Flx_mulu 1105386
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694003
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581229
FpX_renormalize 144211265
Fp_add 181412772
Fp_addmul 11304052
Fp_center 77090345
Fp_center_i 17941028
Fp_div 15033948
Fp_divu 15128442
Fp_double 21001876
Fp_halve 247271
Fp_inv 23440458
Fp_invsafe 1100358
Fp_mul 200812584
Fp_muls 17780
Fp_mulu 67099248
Fp_neg 31479953
Fp_red 82192754
Fp_sqr 64328109
Fp_sub 203003597
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_mul 22766
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_Fp_mul 571651
FqX_Fq_mul 427298
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38567
FqX_div_by_X_x 69699
FqX_divrem 0
FqX_extgcd 444775
FqX_factor 140946
FqX_factor_squarefree 7
FqX_gcd 8288
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367712
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4144
FqX_powu 1295
FqX_red 25354
FqX_rem 37743
FqX_roots 7273
FqX_sqr 71855
FqX_sub 68607
FqX_to_mod 175
FqXn_exp 0
FqXn_expint 6590
FqXn_inv 7126
FqXn_mul 263403
FqXn_sqr 0
Fq_red 3106159
Fq_to_FpXQ 73652
GENbinbase 961906140
QV_isscalar 54417095
Q_abs 8062629
Q_abs_shallow 120228
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619849
RgC_gtofp 34036583
RgC_gtomp 574
RgM_dimensions 9741760
RgM_fpnorml2 22661
RgM_gtofp 8258615
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179577
RgV_gtofp 56
RgV_is_QV 140732
RgV_is_ZV 32158277
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210272
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406821
RgX_div 7000642
RgX_equal_var 26882998
RgX_fpnorml2 61602
RgX_gtofp 7145339
RgX_is_QX 399930
RgX_is_ZX 22423292
RgX_is_monomial 1331397
RgX_is_rational 68164
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451046
Rg_to_Fq 756
ZC_hnfrem 10697598
ZM_ZV_mod 596484
ZM_hnfrem 363797
ZM_lll 7118118
ZV_ZV_mod 8131490
ZV_dvd 23485
ZV_isscalar 23674786
ZV_to_zv 3211408
ZXQ_mul 2161180
ZXQ_sqr 960435
ZX_equal1 12850
ZX_is_monic 7374244
ZX_renormalize 155012357
Z_ispower 98
Z_issquare 457641
abgrp_get_cyc 12230836
abgrp_get_gen 1765029
abgrp_get_no 354950
absfrac 46638710
absfrac_shallow 28237
addmuliu 535772
addmuliu_inplace 59657343
affc_fixlg 249621
affgr 899594
bid_get_MOD 2157261
bid_get_U 3680239
bid_get_arch 41188
bid_get_archp 2397141
bid_get_cyc 5739853
bid_get_fact 2498944
bid_get_fact2 2201581
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804706
bid_get_ideal 72842
bid_get_mod 1521918
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157994
bin_copy 496054453
bit_accuracy 3156338586
bit_accuracy_mul 3175484
bit_prec 143267996
bnf_get_clgp 5375016
bnf_get_cyc 3686158
bnf_get_fu 25859
bnf_get_fu_nocheck 289096
bnf_get_gen 1680317
bnf_get_logfu 2874773
bnf_get_nf 9865198
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367774
bnf_get_tuN 283006
bnf_get_tuU 303590
bnr_get_bid 2046091
bnr_get_bnf 3710953
bnr_get_clgp 2830252
bnr_get_cyc 2522578
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1399079
bnr_get_no 277492
both_odd 123777510
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975457
cgiv 102673199
checkell_i 5593225
closure_arity 372524954
closure_codestr 322153409
closure_get_code 0
closure_get_data 322080200
closure_get_dbg 13635
closure_get_frame 14715413
closure_get_oper 322113942
closure_get_text 37079
closure_is_variadic 45903176
col_ei 5924583
coltrunc_init 740250
const_col 9729692
const_vec 34564194
const_vecsmall 19705966
constant_coeff 1441428
cxcompotor 18210165
cxnorm 91199504
cxtofp 9079189
cxtoreal 337204
cyc_get_expo 2757553
cyclic_perm 99911
dbllog2r 92818626
degpol 5486248309
div_content 58504
divsBIL 8090902082
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997087
ell_get_a2 7106184
ell_get_a3 8814055
ell_get_a4 8536725
ell_get_a6 10370963
ell_get_b2 7371034
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017244
ell_get_c6 13473720
ell_get_disc 16813567
ell_get_j 2126269
ell_get_type 12498785
ell_is_inf 52389183
ellff_get_a4a6 800041
ellff_get_field 2036874
ellinf 1870026
ellnf_get_bnf 119
ellnf_get_nf 2027239
equali1 1174329659
equalim1 139505441
err_get_compo 294
err_get_num 62550
gaddgs 123248645
gal_get_den 27867
gal_get_e 91
gal_get_gen 15435
gal_get_group 80388
gal_get_invvdm 27874
gal_get_mod 23758
gal_get_orders 6678
gal_get_p 6006
gal_get_pol 36316
gal_get_roots 32732
gc_GEN 255371951
gc_INT 4111331407
gc_INT_affii 8488687
gc_all 109633563
gc_leaf 1135896106
gc_slice 2204274
gc_upto 1954418112
gchar_copy_precs 1225
gchar_get_DLdata 190673
gchar_get_S 36995
gchar_get_U 0
gchar_get_Ui 10983
gchar_get_basis 32816
gchar_get_bnf 205373
gchar_get_cyc 16177
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50519
gchar_get_m0 3318
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2044
gchar_get_nc 37261
gchar_get_nf 243946
gchar_get_nfprec 13468
gchar_get_nfree 322
gchar_get_nm 1869
gchar_get_ns 36995
gchar_get_ntors 322
gchar_get_prec 18795
gchar_get_r1 17444
gchar_get_r2 623
gchar_get_sfu 1743
gchar_get_u0 4252
gchar_get_zm 281911
gchar_set_HUUi 630
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_set_evalprec 1813
gchar_set_m0 945
gchar_set_nalg 630
gchar_set_nf 2110
gchar_set_nfprec 2968
gchar_set_nfree 630
gchar_set_ntors 630
gchar_set_prec 1225
gchar_set_u0 2121
gcmpgs 761920
gdivsg 531591
gen_I 1269732
gener_Fq_local 29945
gequalgs 29176
get_F2x_degree 1928919
get_F2x_mod 2499268
get_F2x_var 2533915
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 81998125
get_Flx_mod 25595423
get_Flx_var 68356601
get_FlxqX_degree 317565
get_FlxqX_mod 8033
get_FlxqX_var 264420
get_FpXQX_degree 3589
get_FpXQX_mod 146583
get_FpXQX_var 51630
get_FpX_degree 6424320
get_FpX_mod 3394371
get_FpX_var 6958038
gisdouble 2997007
gmax_shallow 13510200
gmaxsg 0
gmin_shallow 877754
gminsg 0
gmulgs 22631676
gmulgu 282059385
gsubgs 1724815
gtodouble 60781047
gtofp 254368398
gtomp 22428
gtos 85855569
gtou 100706
guncloneNULL 48023682
guncloneNULL_deep 1509189
gval 6230
hash_str 2760615
hash_str_len 31630632
icopy_avma 8040181951
idealchineseinit 5427
idealred 138434
identity_ZV 8113
identity_perm 3241725
identity_zv 3266073
inf_get_sign 1452950
inv_content 0
is_bigint 563402602
is_const_t 4898784617
is_extscalar_t 6876
is_intreal_t 9584886
is_matvec_t 659513669
is_noncalc_t 85871983
is_pm1 2204989263
is_qfb_t 0
is_rational_t 5032725
is_real_t 62062520
is_recursive_t 9238334623
is_scalar_t 375659412
is_universal_constant 326508141
is_vec_t 43962828
isint1 17584886
isintm1 5710312
isintzero 2844636352
ismpzero 9584787
isonstack 8273740818
killblock 1956369
leading_coeff 170221362
leafcopy_avma 577237730
lg_increase 317574439
lgcols 351603133
lgpol 2682871333
lincombii 38243319
locs_get_Lgenfil 1288
locs_get_Lsprk 193935
locs_get_cyc 52136
locs_get_famod 1288
locs_get_m_infty 209475
locs_get_mod 8225
logint 754840
matpascal 3983
matslice 16819563
mkcol 10639751
mkcol2 156841688
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33553
mkcols 40411
mkcomplex 91612461
mkerr 0
mkfrac 41641469
mkfraccopy 4999353
mkfracss 1209563
mkintmod 8092673
mkintmodu 1813
mkmat 4750906
mkmat2 33654642
mkmat22 50275134
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122272
mkmoo 108782
mkoo 1331917
mkpadic 2009
mkpolmod 3103724
mkqfb 27930191
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71114264
mkvec2 185583239
mkvec2copy 114524
mkvec2s 220244
mkvec3 117172971
mkvec3s 524441
mkvec4 10093861
mkvec4s 21
mkvec5 15185726
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131576327
mkvecsmall2 234941846
mkvecsmall3 104184742
mkvecsmall4 18662518
mkvecsmall5 1717484
modpr_get_T 13867127
modpr_get_p 1887627
modpr_get_pr 31236588
mul_content 2657292
mul_denom 10707894
mulsubii 3882626
nbits2extraprec 1458184469
nbits2ndec 228
nbits2nlong 12755336
nbits2prec 186144314
nbrows 157476127
nchar2nlong 127566958
ndec2nbits 8270
ndec2nlong 41584
ndec2prec 33314
nfV_to_scalar_or_alg 26300
nf_get_G 304907
nf_get_M 21745579
nf_get_Tr 22082
nf_get_degree 71370835
nf_get_diff 4445
nf_get_disc 463482
nf_get_index 3711382
nf_get_invzk 9767426
nf_get_pol 98108640
nf_get_r1 23466094
nf_get_r2 4154
nf_get_ramified_primes 64645
nf_get_roots 1628979
nf_get_roundG 1748212
nf_get_sign 519550
nf_get_varn 1503760
nf_get_zk 4382
nf_get_zkden 5459943
nf_get_zkprimpart 5414096
normalize_frac 17204905
odd 2089455888
pari_calloc 47720
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 91
pari_err_DIM 718
pari_err_DOMAIN 2862
pari_err_FILE 0
pari_err_FILEDESC 36
pari_err_FLAG 98
pari_err_IMPL 539
pari_err_INV 20018
pari_err_IRREDPOL 63
pari_err_MAXPRIME 0
pari_err_MODULUS 1316
pari_err_OP 406
pari_err_OVERFLOW 156
pari_err_PACKAGE 0
pari_err_PREC 238
pari_err_PRIME 98
pari_err_PRIORITY 245
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15370
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 509554054
pari_malloc 745477542
pari_realloc 1890
pari_realloc_ip 2346996
pari_stack_alloc 1022110107
pari_stack_base 1028000315
pari_stack_delete 5885476
pari_stack_init 6351779
pari_stack_new 926872718
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781996
perm_mul 80891167
perm_sqr 728
pol0_F2x 13192638
pol0_Flx 103419996
pol1_F2x 3957434
pol1_Flx 55057496
pol_0 82996680
pol_1 3755676
pol_x 3857154
pol_xn 2249281
pol_xnall 294
polx_F2x 1072294
polx_Flx 37488808
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43130469
pr_get_e 16161976
pr_get_f 26443215
pr_get_gen 12071285
pr_get_p 92750427
pr_get_tau 49768524
pr_is_inert 17224079
pr_norm 1090524
prec2lg 4468778755
prec2nbits 103964639
prec2nbits_mul 581166
prec2ndec 9778
precdbl 475392
qfb_disc 18502505
qfb_disc3 4996045
qfb_is_qfi 62319907
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7999700513
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506335
rnf_get_disc 357
rnf_get_idealdisc 1386
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1225
rnf_get_map 135659
rnf_get_nf 786086
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845192
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 763878
row_i 987
rowcopy 204988
rowpermute 14705722
rowslice 79298480
rowslicepermute 184915
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27632161
sqrfrac 4148346
sqrti 6610312
sqrtnr 2810333
sqrtr 80378357
sstoQ 1097215
sturm 385
submulii 31982591
submuliu 7700
submuliu_inplace 60145499
truecoef 0
trunc_safe 0
ulogint 1715488
upr_norm 346136
uutoQ 1600212
vec_append 3464630
vec_ei 1713882
vec_lengthen 18960
vec_prepend 314010
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036638
veclast 9372722
vecmodii 0
vecmoduu 49784
vecpermute 20545517
vecreverse 697277
vecreverse_inplace 2605
vecslice 655908525
vecslicepermute 2689882
vecsmall_append 4099106
vecsmall_coincidence 0
vecsmall_concat 1464149
vecsmall_copy 4403871
vecsmall_ei 584721
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1163851
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75631
vecsmall_to_col 7838378
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78696015
vecsmalltrunc_append 100747047
vecsmalltrunc_init 190296232
vecsplice 384912
vectrunc_append 15854604
vectrunc_append_batch 9667
vectrunc_init 11767968
zc_to_ZC 7824196
zero_F2m 0
zero_F2m_copy 844974
zero_F2v 3647387
zero_F2x 1350
zero_Flm 2829559
zero_Flm_copy 238230
zero_Flv 59657108
zero_Flx 1426702
zero_zm 0
zero_zv 36719061
zero_zx 0
zerocol 122341312
zeromat 109098
zeromatcopy 14250791
zeropadic 855853
zeropadic_shallow 17024
zeropol 42353898
zeroser 138908
zerovec 28453730
zerovec_block 29654
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38655073
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7979693
znstar_get_conreygen 3290176
znstar_get_cyc 262088
znstar_get_faN 7331711
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2869063
zv_copy 2183841
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16