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
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 238
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 8365
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11556
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
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 22084
gtomp 22428
RgM_fpnorml2 22662
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23758
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25858
nfV_to_scalar_or_alg 26299
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 33533
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37889
FqX_div 38566
FqX_deriv 40061
mkcols 40411
bid_get_arch 41187
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47713
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58517
RgX_fpnorml2 61494
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64643
RgX_is_rational 68163
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 75643
bnr_get_mod 77116
gal_get_group 80387
mkcol3 88314
gtou 99549
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108786
zeromat 109081
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114507
Q_abs_shallow 120232
mkmatcopy 122231
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138455
zeroser 138908
RgV_is_QV 140724
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165411
znstar_get_U 176107
rowslicepermute 184744
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200482
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220243
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238201
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249617
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277489
gchar_get_zm 281911
bnf_get_tuN 283000
bnf_get_fu_nocheck 289084
bnf_get_tuU 303574
nf_get_G 303820
vec_prepend 313999
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334028
cxtoreal 337205
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 354942
ZM_hnfrem 363799
FqX_mul 367701
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384921
RgX_is_QX 399932
perm_conj 418299
FqX_Fq_mul 427299
FqX_extgcd 444664
Z_issquare 458705
nf_get_disc 463475
precdbl 475367
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519546
mkvec3s 524441
gdivsg 531591
addmuliu 535808
FqX_Fp_mul 571446
prec2nbits_mul 581166
vecsmall_ei 584704
ZM_ZV_mod 596457
RgC_fpnorml2 619830
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754825
gcmpgs 761929
row 763903
rnf_get_nf 786086
ellff_get_a4a6 800030
zero_F2m_copy 845076
FpXX_renormalize 849917
zeropadic 855432
gmin_shallow 877678
affgr 898866
ZXQ_sqr 960430
cgetc 975458
Flx_lead 979473
polx_F2x 1079403
pr_norm 1089368
sstoQ 1097215
Fp_invsafe 1100351
Flx_mulu 1105454
vecsmall_max 1164156
mkfracss 1209563
RgV_isscalar 1210276
gen_I 1269724
RgX_is_monomial 1331320
mkoo 1331840
bnf_get_sunits 1367776
bnr_get_nf 1368092
rnf_get_absdegree 1392746
zero_Flx 1426849
guncloneNULL_deep 1430024
constant_coeff 1441122
Rg_col_ei 1451108
inf_get_sign 1452889
vecsmall_concat 1464273
nf_get_varn 1503552
bid_get_mod 1521919
F2m_flip 1554630
F2v_flip 1554630
F2x_flip 1554630
F2x_div 1572643
uutoQ 1600198
nf_get_roots 1627857
bnf_get_gen 1680304
vec_ei 1713846
mkvecsmall5 1717514
ulogint 1721713
gsubgs 1724809
nf_get_roundG 1747150
abgrp_get_gen 1765014
ellinf 1869826
modpr_get_p 1888404
killblock 1918049
get_F2x_degree 1929123
Flx_div 1997989
ellnf_get_nf 2027248
ellff_get_field 2036871
bnr_get_bid 2046099
ell_get_j 2126269
bid_get_MOD 2157255
bid_get_sprk 2157974
ZXQ_mul 2161276
zv_copy 2183823
bid_get_fact2 2201578
gc_slice 2204037
pol_xn 2249279
pari_realloc_ip 2256512
bid_get_archp 2397111
bid_get_fact 2498929
get_F2x_mod 2499247
rnf_get_degree 2506335
bnr_get_cyc 2522555
get_F2x_var 2534081
ell_get_b4 2550216
Flv_copy 2555076
mul_content 2654150
RgX_coeff 2669861
vecslicepermute 2689856
hash_str 2756815
cyc_get_expo 2757556
perm_inv 2782012
sqrtnr 2809207
zero_Flm 2829514
bnr_get_clgp 2830222
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874122
bnf_get_logfu 2874767
gisdouble 2992531
mkpolmod 3103723
Fq_red 3106279
bit_accuracy_mul 3175472
ZV_to_zv 3211406
identity_perm 3241519
F3m_coeff 3255864
identity_zv 3265869
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394370
vec_append 3465054
zero_F2v 3647786
bid_get_U 3680229
bnf_get_cyc 3686141
nf_get_index 3711319
bnr_get_bnf 3751372
pol_1 3755705
pol_x 3856888
ell_get_b6 3863115
mulsubii 3881329
pol1_F2x 3958014
vec_to_vecsmall 4036620
vecsmall_append 4099641
sqrfrac 4148123
vecsmall_copy 4403925
mkcol2s 4416244
F2x_equal 4669832
FpXQX_renormalize 4693963
mkmat 4750911
qfb_disc3 4994735
mkfraccopy 4999634
is_rational_t 5032463
bnf_get_clgp 5374977
nf_get_zkprimpart 5417352
nf_get_zkden 5463159
pari_stack_delete 5562834
FpX_div 5581088
checkell_i 5593257
isintm1 5710140
bid_get_cyc 5739826
bid_get_grp 5804674
col_ei 5924625
pari_stack_init 6050535
get_FpX_degree 6424213
Flm_copy 6433419
sqrti 6664714
get_FpX_var 6957789
RgX_div 7000642
vecsmall_lexcmp 7043254
ell_get_a2 7106188
ZM_lll 7116721
RgX_gtofp 7144684
znstar_get_faN 7331711
ell_get_b2 7371022
ZX_is_monic 7374300
zc_to_ZC 7824192
vecsmall_to_col 7838373
znstar_get_conreycyc 7979693
F2m_coeff 8039570
Q_abs 8062610
mkintmod 8092597
ZV_ZV_mod 8131425
RgM_gtofp 8258399
Flx_equal1 8330035
gc_INT_affii 8488434
ell_get_a4 8536729
Flm_row 8741565
ell_get_a3 8814050
ell_get_a1 8997082
cxtofp 9079621
veclast 9372700
ismpzero 9585741
is_intreal_t 9585841
const_col 9729625
RgM_dimensions 9741521
nf_get_invzk 9767416
bnf_get_nf 9863861
mkvec4 10093670
ser_isexactzero 10120284
ell_get_a6 10370967
mkcol 10639820
ZC_hnfrem 10695991
mul_denom 10711076
ell_get_c4 11017763
Fp_addmul 11251853
vectrunc_init 11768514
pr_get_gen 12067048
abgrp_get_cyc 12230766
F2v_clear 12354621
F2x_clear 12354623
ell_get_type 12498935
nbits2nlong 12752030
pol0_F2x 13253399
ell_get_c6 13474197
gmax_shallow 13510200
modpr_get_T 13867535
closure_get_frame 14157533
zeromatcopy 14249216
rowpermute 14705694
Fp_div 15035299
Fp_divu 15129827
mkvec5 15185636
vectrunc_append 15853287
pr_get_e 16101547
ell_get_disc 16815048
matslice 16819422
pr_is_inert 17145755
normalize_frac 17205777
isint1 17584703
Fp_center_i 18017072
cxcompotor 18211045
qfb_disc 18502533
mkvecsmall4 18666530
const_vecsmall 19700229
vecpermute 20542182
Fp_double 20888916
nf_get_M 21306479
Flx_div_pre 21688053
RgM_shallowcopy 22173570
RgX_is_ZX 22423220
gmulgs 22597275
nf_get_r1 23026857
ZV_isscalar 23233282
Fp_inv 23438780
get_Flx_mod 25593290
pr_get_f 26341282
RgX_equal_var 26883019
shallowcopy 27626289
mkqfb 27927584
zerovec 28453467
modpr_get_pr 31237878
Fp_neg 31480701
hash_str_len 31544662
RgV_is_ZV 32158323
submulii 32838828
mkmat2 33652672
RgC_gtofp 34034680
const_vec 34470825
zero_zv 36735391
polx_Flx 37485801
lincombii 38222810
znstar_get_N 38655073
mkfrac 41640824
zeropol 42353990
powii 43126995
is_vec_t 43936364
closure_is_variadic 44788828
absfrac 46638527
guncloneNULL 47926221
pr_get_tau 49564038
mkmat22 50256599
ell_is_inf 52336545
QV_isscalar 54415140
pol1_Flx 55051771
addmuliu_inplace 59656010
zero_Flv 59659654
submuliu_inplace 60153114
F2x_copy 60494312
gtodouble 60777799
is_real_t 62062467
qfb_is_qfi 62323264
Fp_sqr 63887803
get_Flx_var 68347583
Fp_mulu 70374701
mkvec 71136070
nf_get_degree 71364319
Fp_center 77200920
vecsmallpermute 78702860
rowslice 79327388
sqrtr 80371011
perm_mul 80898358
Fp_red 82191844
pol_0 82996684
get_Flx_degree 83669559
gtos 85855714
is_noncalc_t 85876175
cxnorm 91199506
mkcomplex 91608470
pr_get_p 92474415
dbllog2r 92817392
nf_get_pol 98073717
vecsmalltrunc_append 100909573
F2v_set 101404462
cgiv 102264278
RgX_copy 103406545
pol0_Flx 103488263
prec2nbits 103965150
mkvecsmall3 104179028
vecsmall_prefixcmp 108088071
gc_all 109630786
F2x_renormalize 115299366
mkvec3 122018277
zerocol 122329564
gaddgs 123248626
both_odd 123879748
F2x_set 124781586
nchar2nlong 127389803
mkvecsmall 131643821
equalim1 139505031
bit_prec 142812549
FpX_renormalize 144206214
ZX_renormalize 154982068
mkcol2 156815926
nbrows 157448185
leading_coeff 170258581
Flx_copy 173178563
Fp_add 181096954
mkvec2 185108934
nbits2prec 186129064
vecsmalltrunc_init 189644661
Fp_mul 200768242
Fp_sub 203241822
mkvecsmall2 234823217
gtofp 254338412
gc_GEN 255500214
gmulgu 282059385
lg_increase 316360626
closure_get_data 321596562
closure_get_oper 321611656
closure_codestr 321622343
is_universal_constant 325772501
lgcols 350620496
closure_arity 371504615
is_scalar_t 375660496
bin_copy 496002358
pari_free 509362962
is_bigint 562933374
leafcopy_avma 576554489
vecslice 656172002
is_matvec_t 659647655
F2v_coeff 661326504
F2x_coeff 667941075
pari_malloc 745264273
pari_stack_new 925085341
GENbinbase 961790507
pari_stack_alloc 1019774752
pari_stack_base 1025303026
gc_leaf 1140961923
equali1 1174210055
nbits2extraprec 1457108032
gc_upto 1951967476
odd 2089561651
is_pm1 2204630356
lgpol 2693302086
isintzero 2843091532
bit_accuracy 3156445607
gc_INT 4107531584
prec2lg 4469300906
is_const_t 4893894171
degpol 5507549715
remsBIL 7997372321
icopy_avma 8035861301
divsBIL 8088358380
isonstack 8271802873
is_recursive_t 9234589690

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