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 30587-f85873d515) Lines: 1422 1535 92.6 %
Date: 2025-12-28 09:21:53 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 8039570
F2m_copy 200482
F2m_flip 1554630
F2m_set 798
F2v_clear 12354621
F2v_coeff 661326504
F2v_copy 4487
F2v_ei 42
F2v_flip 1554630
F2v_set 101404462
F2v_to_F2x 37889
F2xX_shift 0
F2x_clear 12354623
F2x_coeff 667941075
F2x_copy 60494312
F2x_div 1572643
F2x_equal 4669832
F2x_equal1 2874122
F2x_flip 1554630
F2x_renormalize 115299366
F2x_set 124781586
F2xqX_div 33173
F3m_coeff 3255864
F3m_copy 0
F3m_set 0
Flm_copy 6433419
Flm_row 8741565
Flv_copy 2555076
Flx_constant 334028
Flx_copy 173178563
Flx_div 1997989
Flx_div_pre 21688053
Flx_equal1 8330035
Flx_lead 979473
Flx_mulu 1105454
FlxqX_div 0
FlxqX_div_pre 165411
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693963
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581088
FpX_renormalize 144206214
Fp_add 181096954
Fp_addmul 11251853
Fp_center 77200920
Fp_center_i 18017072
Fp_div 15035299
Fp_divu 15129827
Fp_double 20888916
Fp_halve 247271
Fp_inv 23438780
Fp_invsafe 1100351
Fp_mul 200768242
Fp_muls 17780
Fp_mulu 70374701
Fp_neg 31480701
Fp_red 82191844
Fp_sqr 63887803
Fp_sub 203241822
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 571446
FqX_Fq_mul 427299
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38566
FqX_div_by_X_x 69699
FqX_divrem 0
FqX_extgcd 444664
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 367701
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 3106279
Fq_to_FpXQ 73652
GENbinbase 961790507
QV_isscalar 54415140
Q_abs 8062610
Q_abs_shallow 120232
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619830
RgC_gtofp 34034680
RgC_gtomp 574
RgM_dimensions 9741521
RgM_fpnorml2 22662
RgM_gtofp 8258399
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22173570
RgV_gtofp 56
RgV_is_QV 140724
RgV_is_ZV 32158323
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210276
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406545
RgX_div 7000642
RgX_equal_var 26883019
RgX_fpnorml2 61494
RgX_gtofp 7144684
RgX_is_QX 399932
RgX_is_ZX 22423220
RgX_is_monomial 1331320
RgX_is_rational 68163
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451108
Rg_to_Fq 756
ZC_hnfrem 10695991
ZM_ZV_mod 596457
ZM_hnfrem 363799
ZM_lll 7116721
ZV_ZV_mod 8131425
ZV_dvd 23485
ZV_isscalar 23233282
ZV_to_zv 3211406
ZXQ_mul 2161276
ZXQ_sqr 960430
ZX_equal1 12850
ZX_is_monic 7374300
ZX_renormalize 154982068
Z_ispower 98
Z_issquare 458705
abgrp_get_cyc 12230766
abgrp_get_gen 1765014
abgrp_get_no 354942
absfrac 46638527
absfrac_shallow 28237
addmuliu 535808
addmuliu_inplace 59656010
affc_fixlg 249617
affgr 898866
bid_get_MOD 2157255
bid_get_U 3680229
bid_get_arch 41187
bid_get_archp 2397111
bid_get_cyc 5739826
bid_get_fact 2498929
bid_get_fact2 2201578
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804674
bid_get_ideal 72842
bid_get_mod 1521919
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157974
bin_copy 496002358
bit_accuracy 3156445607
bit_accuracy_mul 3175472
bit_prec 142812549
bnf_get_clgp 5374977
bnf_get_cyc 3686141
bnf_get_fu 25858
bnf_get_fu_nocheck 289084
bnf_get_gen 1680304
bnf_get_logfu 2874767
bnf_get_nf 9863861
bnf_get_no 8365
bnf_get_reg 648
bnf_get_sunits 1367776
bnf_get_tuN 283000
bnf_get_tuU 303574
bnr_get_bid 2046099
bnr_get_bnf 3751372
bnr_get_clgp 2830222
bnr_get_cyc 2522555
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77116
bnr_get_nf 1368092
bnr_get_no 277489
both_odd 123879748
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975458
cgiv 102264278
checkell_i 5593257
closure_arity 371504615
closure_codestr 321622343
closure_get_code 0
closure_get_data 321596562
closure_get_dbg 13621
closure_get_frame 14157533
closure_get_oper 321611656
closure_get_text 37051
closure_is_variadic 44788828
col_ei 5924625
coltrunc_init 740250
const_col 9729625
const_vec 34470825
const_vecsmall 19700229
constant_coeff 1441122
cxcompotor 18211045
cxnorm 91199506
cxtofp 9079621
cxtoreal 337205
cyc_get_expo 2757556
cyclic_perm 99911
dbllog2r 92817392
degpol 5507549715
div_content 58517
divsBIL 8088358380
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997082
ell_get_a2 7106188
ell_get_a3 8814050
ell_get_a4 8536729
ell_get_a6 10370967
ell_get_b2 7371022
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017763
ell_get_c6 13474197
ell_get_disc 16815048
ell_get_j 2126269
ell_get_type 12498935
ell_is_inf 52336545
ellff_get_a4a6 800030
ellff_get_field 2036871
ellinf 1869826
ellnf_get_bnf 119
ellnf_get_nf 2027248
equali1 1174210055
equalim1 139505031
err_get_compo 294
err_get_num 62522
gaddgs 123248626
gal_get_den 27867
gal_get_e 91
gal_get_gen 15435
gal_get_group 80387
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 255500214
gc_INT 4107531584
gc_INT_affii 8488434
gc_all 109630786
gc_leaf 1140961923
gc_slice 2204037
gc_upto 1951967476
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 761929
gdivsg 531591
gen_I 1269724
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929123
get_F2x_mod 2499247
get_F2x_var 2534081
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83669559
get_Flx_mod 25593290
get_Flx_var 68347583
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 6424213
get_FpX_mod 3394370
get_FpX_var 6957789
gisdouble 2992531
gmax_shallow 13510200
gmaxsg 0
gmin_shallow 877678
gminsg 0
gmulgs 22597275
gmulgu 282059385
gsubgs 1724809
gtodouble 60777799
gtofp 254338412
gtomp 22428
gtos 85855714
gtou 99549
guncloneNULL 47926221
guncloneNULL_deep 1430024
gval 6230
hash_str 2756815
hash_str_len 31544662
icopy_avma 8035861301
idealchineseinit 5427
idealred 138455
identity_ZV 8113
identity_perm 3241519
identity_zv 3265869
inf_get_sign 1452889
inv_content 0
is_bigint 562933374
is_const_t 4893894171
is_extscalar_t 6876
is_intreal_t 9585841
is_matvec_t 659647655
is_noncalc_t 85876175
is_pm1 2204630356
is_qfb_t 0
is_rational_t 5032463
is_real_t 62062467
is_recursive_t 9234589690
is_scalar_t 375660496
is_universal_constant 325772501
is_vec_t 43936364
isint1 17584703
isintm1 5710140
isintzero 2843091532
ismpzero 9585741
isonstack 8271802873
killblock 1918049
leading_coeff 170258581
leafcopy_avma 576554489
lg_increase 316360626
lgcols 350620496
lgpol 2693302086
lincombii 38222810
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 754825
matpascal 3983
matslice 16819422
mkcol 10639820
mkcol2 156815926
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33533
mkcols 40411
mkcomplex 91608470
mkerr 0
mkfrac 41640824
mkfraccopy 4999634
mkfracss 1209563
mkintmod 8092597
mkintmodu 1813
mkmat 4750911
mkmat2 33652672
mkmat22 50256599
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122231
mkmoo 108786
mkoo 1331840
mkpadic 2009
mkpolmod 3103723
mkqfb 27927584
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71136070
mkvec2 185108934
mkvec2copy 114507
mkvec2s 220243
mkvec3 122018277
mkvec3s 524441
mkvec4 10093670
mkvec4s 21
mkvec5 15185636
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131643821
mkvecsmall2 234823217
mkvecsmall3 104179028
mkvecsmall4 18666530
mkvecsmall5 1717514
modpr_get_T 13867535
modpr_get_p 1888404
modpr_get_pr 31237878
mul_content 2654150
mul_denom 10711076
mulsubii 3881329
nbits2extraprec 1457108032
nbits2ndec 228
nbits2nlong 12752030
nbits2prec 186129064
nbrows 157448185
nchar2nlong 127389803
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26299
nf_get_G 303820
nf_get_M 21306479
nf_get_Tr 22084
nf_get_degree 71364319
nf_get_diff 4445
nf_get_disc 463475
nf_get_index 3711319
nf_get_invzk 9767416
nf_get_pol 98073717
nf_get_r1 23026857
nf_get_r2 4154
nf_get_ramified_primes 64643
nf_get_roots 1627857
nf_get_roundG 1747150
nf_get_sign 519546
nf_get_varn 1503552
nf_get_zk 4382
nf_get_zkden 5463159
nf_get_zkprimpart 5417352
normalize_frac 17205777
odd 2089561651
pari_calloc 47713
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
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 238
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15370
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 509362962
pari_malloc 745264273
pari_realloc 1890
pari_realloc_ip 2256512
pari_stack_alloc 1019774752
pari_stack_base 1025303026
pari_stack_delete 5562834
pari_stack_init 6050535
pari_stack_new 925085341
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782012
perm_mul 80898358
perm_sqr 728
pol0_F2x 13253399
pol0_Flx 103488263
pol1_F2x 3958014
pol1_Flx 55051771
pol_0 82996684
pol_1 3755705
pol_x 3856888
pol_xn 2249279
pol_xnall 294
polx_F2x 1079403
polx_Flx 37485801
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43126995
pr_get_e 16101547
pr_get_f 26341282
pr_get_gen 12067048
pr_get_p 92474415
pr_get_tau 49564038
pr_is_inert 17145755
pr_norm 1089368
prec2lg 4469300906
prec2nbits 103965150
prec2nbits_mul 581166
prec2ndec 9778
precdbl 475367
qfb_disc 18502533
qfb_disc3 4994735
qfb_is_qfi 62323264
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7997372321
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 763903
row_i 987
rowcopy 204988
rowpermute 14705694
rowslice 79327388
rowslicepermute 184744
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27626289
sqrfrac 4148123
sqrti 6664714
sqrtnr 2809207
sqrtr 80371011
sstoQ 1097215
sturm 385
submulii 32838828
submuliu 7700
submuliu_inplace 60153114
truecoef 0
trunc_safe 0
ulogint 1721713
upr_norm 346135
uutoQ 1600198
vec_append 3465054
vec_ei 1713846
vec_lengthen 18960
vec_prepend 313999
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036620
veclast 9372700
vecmodii 0
vecmoduu 49784
vecpermute 20542182
vecreverse 697277
vecreverse_inplace 2605
vecslice 656172002
vecslicepermute 2689856
vecsmall_append 4099641
vecsmall_coincidence 0
vecsmall_concat 1464273
vecsmall_copy 4403925
vecsmall_ei 584704
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043254
vecsmall_max 1164156
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75643
vecsmall_to_col 7838373
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78702860
vecsmalltrunc_append 100909573
vecsmalltrunc_init 189644661
vecsplice 384921
vectrunc_append 15853287
vectrunc_append_batch 9667
vectrunc_init 11768514
zc_to_ZC 7824192
zero_F2m 0
zero_F2m_copy 845076
zero_F2v 3647786
zero_F2x 1350
zero_Flm 2829514
zero_Flm_copy 238201
zero_Flv 59659654
zero_Flx 1426849
zero_zm 0
zero_zv 36735391
zero_zx 0
zerocol 122329564
zeromat 109081
zeromatcopy 14249216
zeropadic 855432
zeropadic_shallow 17024
zeropol 42353990
zeroser 138908
zerovec 28453467
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 2183823
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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