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: 2025-12-27 09:21:13 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 11557
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 22075
gtomp 22428
RgM_fpnorml2 22662
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 33543
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 37885
FqX_div 38569
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
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 61496
err_get_num 62523
bid_get_gen 64274
nf_get_ramified_primes 64641
RgX_is_rational 68165
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 75630
bnr_get_mod 77118
gal_get_group 80387
mkcol3 88314
gtou 99532
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108759
zeromat 109097
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114508
Q_abs_shallow 120238
mkmatcopy 122224
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138457
zeroser 138908
RgV_is_QV 140725
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165416
znstar_get_U 176107
rowslicepermute 184852
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200477
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220244
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238193
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249619
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277487
gchar_get_zm 281911
bnf_get_tuN 282993
bnf_get_fu_nocheck 289078
bnf_get_tuU 303573
nf_get_G 303799
vec_prepend 313995
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333928
cxtoreal 337207
upr_norm 346134
RgX_renormalize 349807
abgrp_get_no 354938
ZM_hnfrem 363776
FqX_mul 367706
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384900
RgX_is_QX 399928
perm_conj 418299
FqX_Fq_mul 427300
FqX_extgcd 444671
Z_issquare 458705
nf_get_disc 463468
precdbl 475382
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519546
mkvec3s 524441
gdivsg 531591
addmuliu 535879
FqX_Fp_mul 571438
prec2nbits_mul 581167
vecsmall_ei 584695
ZM_ZV_mod 596487
RgC_fpnorml2 619835
FqX_is_squarefree 683802
vecreverse 697276
mkrfrac 698439
coltrunc_init 740250
logint 754821
gcmpgs 761927
row 763863
rnf_get_nf 786086
ellff_get_a4a6 800049
zero_F2m_copy 845041
FpXX_renormalize 849917
zeropadic 855914
gmin_shallow 877670
affgr 898866
ZXQ_sqr 960413
cgetc 975460
Flx_lead 978633
polx_F2x 1078127
pr_norm 1089328
sstoQ 1097215
Fp_invsafe 1100353
Flx_mulu 1105293
vecsmall_max 1163909
mkfracss 1209563
RgV_isscalar 1210277
gen_I 1269722
RgX_is_monomial 1331279
mkoo 1331778
bnf_get_sunits 1367776
bnr_get_nf 1368090
rnf_get_absdegree 1392746
zero_Flx 1426499
guncloneNULL_deep 1439815
constant_coeff 1441147
Rg_col_ei 1451029
inf_get_sign 1452800
vecsmall_concat 1464238
nf_get_varn 1503544
bid_get_mod 1521922
F2m_flip 1554050
F2v_flip 1554050
F2x_flip 1554050
F2x_div 1570094
uutoQ 1600198
nf_get_roots 1627837
bnf_get_gen 1680318
vec_ei 1713881
mkvecsmall5 1717493
gsubgs 1724805
ulogint 1725610
nf_get_roundG 1747130
abgrp_get_gen 1765031
ellinf 1869921
modpr_get_p 1888404
killblock 1922763
get_F2x_degree 1929182
Flx_div 1997990
ellnf_get_nf 2027235
ellff_get_field 2036905
bnr_get_bid 2046089
ell_get_j 2126269
bid_get_MOD 2157257
bid_get_sprk 2157980
ZXQ_mul 2161269
zv_copy 2183869
bid_get_fact2 2201581
gc_slice 2204190
pol_xn 2249284
pari_realloc_ip 2253936
bid_get_archp 2397108
bid_get_fact 2498915
get_F2x_mod 2499232
rnf_get_degree 2506335
bnr_get_cyc 2522558
get_F2x_var 2534145
ell_get_b4 2550216
Flv_copy 2555102
mul_content 2654212
RgX_coeff 2669861
vecslicepermute 2690131
hash_str 2756813
cyc_get_expo 2757539
perm_inv 2781890
sqrtnr 2809069
zero_Flm 2829384
bnr_get_clgp 2830231
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874018
bnf_get_logfu 2874762
gisdouble 2991825
mkpolmod 3103723
Fq_red 3106031
bit_accuracy_mul 3175472
ZV_to_zv 3211406
identity_perm 3241258
F3m_coeff 3255866
identity_zv 3265607
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394389
vec_append 3465051
zero_F2v 3647671
bid_get_U 3680233
bnf_get_cyc 3686154
nf_get_index 3711337
bnr_get_bnf 3751370
pol_1 3755724
pol_x 3856816
ell_get_b6 3863115
mulsubii 3881833
pol1_F2x 3958805
vec_to_vecsmall 4036596
vecsmall_append 4099594
sqrfrac 4148079
vecsmall_copy 4403965
mkcol2s 4416244
F2x_equal 4665328
FpXQX_renormalize 4694142
mkmat 4750885
qfb_disc3 4994830
mkfraccopy 4999247
is_rational_t 5032337
bnf_get_clgp 5375008
nf_get_zkprimpart 5417299
nf_get_zkden 5463095
FpX_div 5581148
checkell_i 5593223
pari_stack_delete 5596634
isintm1 5710262
bid_get_cyc 5739795
bid_get_grp 5804645
col_ei 5924549
pari_stack_init 6050626
get_FpX_degree 6424317
Flm_copy 6433470
sqrti 6664622
get_FpX_var 6957849
RgX_div 7000642
vecsmall_lexcmp 7043253
ell_get_a2 7106196
ZM_lll 7116500
RgX_gtofp 7144771
znstar_get_faN 7331711
ell_get_b2 7371035
ZX_is_monic 7374287
zc_to_ZC 7824408
vecsmall_to_col 7838604
znstar_get_conreycyc 7979693
F2m_coeff 8038314
Q_abs 8062523
mkintmod 8092712
ZV_ZV_mod 8131321
RgM_gtofp 8257921
Flx_equal1 8329861
gc_INT_affii 8495415
ell_get_a4 8536737
Flm_row 8741588
ell_get_a3 8814070
ell_get_a1 8997101
cxtofp 9079260
veclast 9372709
ismpzero 9585809
is_intreal_t 9585909
const_col 9729615
RgM_dimensions 9741453
nf_get_invzk 9767360
bnf_get_nf 9863881
mkvec4 10093729
ser_isexactzero 10120284
ell_get_a6 10370975
mkcol 10639931
ZC_hnfrem 10695906
mul_denom 10710841
ell_get_c4 11017757
Fp_addmul 11319301
vectrunc_init 11768453
pr_get_gen 12067013
abgrp_get_cyc 12230740
F2v_clear 12353514
F2x_clear 12353522
ell_get_type 12498715
nbits2nlong 12753616
pol0_F2x 13251323
ell_get_c6 13472911
gmax_shallow 13510199
modpr_get_T 13867533
closure_get_frame 14157581
zeromatcopy 14248712
rowpermute 14705219
Fp_div 15033980
Fp_divu 15128570
mkvec5 15185620
vectrunc_append 15849705
pr_get_e 16101932
ell_get_disc 16814805
matslice 16818034
pr_is_inert 17145824
normalize_frac 17204496
isint1 17584785
Fp_center_i 17973496
cxcompotor 18210291
qfb_disc 18502502
mkvecsmall4 18648955
const_vecsmall 19699283
vecpermute 20543949
Fp_double 21076859
nf_get_M 21306861
Flx_div_pre 21685420
RgM_shallowcopy 22173312
RgX_is_ZX 22423068
gmulgs 22582295
nf_get_r1 23027241
ZV_isscalar 23233739
Fp_inv 23438418
get_Flx_mod 25591148
pr_get_f 26341578
RgX_equal_var 26883014
shallowcopy 27626164
mkqfb 27927760
zerovec 28453527
modpr_get_pr 31237771
Fp_neg 31484309
hash_str_len 31544516
RgV_is_ZV 32158326
submulii 32838828
mkmat2 33652361
RgC_gtofp 34030775
const_vec 34470085
zero_zv 36734759
polx_Flx 37481920
lincombii 38212439
znstar_get_N 38655073
mkfrac 41639835
zeropol 42353905
powii 43126937
is_vec_t 43939079
closure_is_variadic 44788581
absfrac 46638362
guncloneNULL 47935414
pr_get_tau 49564226
mkmat22 50246243
ell_is_inf 52370257
QV_isscalar 54414400
pol1_Flx 55050270
addmuliu_inplace 59643632
zero_Flv 59659993
submuliu_inplace 60135470
F2x_copy 60511625
gtodouble 60781821
is_real_t 62062466
qfb_is_qfi 62333477
Fp_sqr 64551099
Fp_mulu 67635403
get_Flx_var 68343984
mkvec 71045657
nf_get_degree 71363582
Fp_center 77103813
vecsmallpermute 78695818
rowslice 79306238
sqrtr 80371346
perm_mul 80891227
Fp_red 82190572
get_Flx_degree 82229023
pol_0 82996556
gtos 85855665
is_noncalc_t 85875096
cxnorm 91203818
mkcomplex 91612647
pr_get_p 92475173
dbllog2r 92817693
nf_get_pol 98072740
vecsmalltrunc_append 100793821
F2v_set 101403128
cgiv 102264658
RgX_copy 103406750
pol0_Flx 103488584
prec2nbits 103959736
mkvecsmall3 104167865
vecsmall_prefixcmp 108088071
gc_all 109626489
F2x_renormalize 115340127
mkvec3 117696316
zerocol 122322257
gaddgs 123248636
both_odd 123706388
F2x_set 124806398
nchar2nlong 127382186
mkvecsmall 131642279
equalim1 139505157
bit_prec 142806223
FpX_renormalize 144210211
ZX_renormalize 154991742
mkcol2 156767616
nbrows 157439466
leading_coeff 170259425
Flx_copy 173168439
Fp_add 181433533
mkvec2 185842097
nbits2prec 186126418
vecsmalltrunc_init 190874156
Fp_mul 200852931
Fp_sub 203696707
mkvecsmall2 234824358
gtofp 254296710
gc_GEN 255335609
gmulgu 282059385
lg_increase 318493189
closure_get_data 321359589
closure_get_oper 321375741
closure_codestr 321389991
is_universal_constant 325765845
lgcols 350600577
closure_arity 371260565
is_scalar_t 375660444
bin_copy 495984478
pari_free 509358561
is_bigint 562944197
leafcopy_avma 576886600
vecslice 656133320
is_matvec_t 659410206
F2v_coeff 661317917
F2x_coeff 668003862
pari_malloc 745243758
pari_stack_new 924839736
GENbinbase 961765021
pari_stack_alloc 1019526305
pari_stack_base 1025085247
gc_leaf 1134821025
equali1 1174235205
nbits2extraprec 1456736643
gc_upto 1951895233
odd 2089477288
is_pm1 2202994313
lgpol 2684032543
isintzero 2843041896
bit_accuracy 3156746955
gc_INT 4107162688
prec2lg 4468796441
is_const_t 4894149540
degpol 5486093557
remsBIL 7997217324
icopy_avma 8035822840
divsBIL 8088097870
isonstack 8264999753
is_recursive_t 9234305710

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