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
F2m_coeff 8038314
F2m_copy 200477
F2m_flip 1554050
F2m_set 798
F2v_clear 12353514
F2v_coeff 661317917
F2v_copy 4487
F2v_ei 42
F2v_flip 1554050
F2v_set 101403128
F2v_to_F2x 37885
F2xX_shift 0
F2x_clear 12353522
F2x_coeff 668003862
F2x_copy 60511625
F2x_div 1570094
F2x_equal 4665328
F2x_equal1 2874018
F2x_flip 1554050
F2x_renormalize 115340127
F2x_set 124806398
F2xqX_div 33173
F3m_coeff 3255866
F3m_copy 0
F3m_set 0
Flm_copy 6433470
Flm_row 8741588
Flv_copy 2555102
Flx_constant 333928
Flx_copy 173168439
Flx_div 1997990
Flx_div_pre 21685420
Flx_equal1 8329861
Flx_lead 978633
Flx_mulu 1105293
FlxqX_div 0
FlxqX_div_pre 165416
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694142
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581148
FpX_renormalize 144210211
Fp_add 181433533
Fp_addmul 11319301
Fp_center 77103813
Fp_center_i 17973496
Fp_div 15033980
Fp_divu 15128570
Fp_double 21076859
Fp_halve 247271
Fp_inv 23438418
Fp_invsafe 1100353
Fp_mul 200852931
Fp_muls 17780
Fp_mulu 67635403
Fp_neg 31484309
Fp_red 82190572
Fp_sqr 64551099
Fp_sub 203696707
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 571438
FqX_Fq_mul 427300
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38569
FqX_div_by_X_x 69699
FqX_divrem 0
FqX_extgcd 444671
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 367706
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 3106031
Fq_to_FpXQ 73652
GENbinbase 961765021
QV_isscalar 54414400
Q_abs 8062523
Q_abs_shallow 120238
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619835
RgC_gtofp 34030775
RgC_gtomp 574
RgM_dimensions 9741453
RgM_fpnorml2 22662
RgM_gtofp 8257921
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22173312
RgV_gtofp 56
RgV_is_QV 140725
RgV_is_ZV 32158326
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210277
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406750
RgX_div 7000642
RgX_equal_var 26883014
RgX_fpnorml2 61496
RgX_gtofp 7144771
RgX_is_QX 399928
RgX_is_ZX 22423068
RgX_is_monomial 1331279
RgX_is_rational 68165
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451029
Rg_to_Fq 756
ZC_hnfrem 10695906
ZM_ZV_mod 596487
ZM_hnfrem 363776
ZM_lll 7116500
ZV_ZV_mod 8131321
ZV_dvd 23485
ZV_isscalar 23233739
ZV_to_zv 3211406
ZXQ_mul 2161269
ZXQ_sqr 960413
ZX_equal1 12850
ZX_is_monic 7374287
ZX_renormalize 154991742
Z_ispower 98
Z_issquare 458705
abgrp_get_cyc 12230740
abgrp_get_gen 1765031
abgrp_get_no 354938
absfrac 46638362
absfrac_shallow 28237
addmuliu 535879
addmuliu_inplace 59643632
affc_fixlg 249619
affgr 898866
bid_get_MOD 2157257
bid_get_U 3680233
bid_get_arch 41188
bid_get_archp 2397108
bid_get_cyc 5739795
bid_get_fact 2498915
bid_get_fact2 2201581
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804645
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157980
bin_copy 495984478
bit_accuracy 3156746955
bit_accuracy_mul 3175472
bit_prec 142806223
bnf_get_clgp 5375008
bnf_get_cyc 3686154
bnf_get_fu 25859
bnf_get_fu_nocheck 289078
bnf_get_gen 1680318
bnf_get_logfu 2874762
bnf_get_nf 9863881
bnf_get_no 8365
bnf_get_reg 648
bnf_get_sunits 1367776
bnf_get_tuN 282993
bnf_get_tuU 303573
bnr_get_bid 2046089
bnr_get_bnf 3751370
bnr_get_clgp 2830231
bnr_get_cyc 2522558
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368090
bnr_get_no 277487
both_odd 123706388
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102264658
checkell_i 5593223
closure_arity 371260565
closure_codestr 321389991
closure_get_code 0
closure_get_data 321359589
closure_get_dbg 13621
closure_get_frame 14157581
closure_get_oper 321375741
closure_get_text 37051
closure_is_variadic 44788581
col_ei 5924549
coltrunc_init 740250
const_col 9729615
const_vec 34470085
const_vecsmall 19699283
constant_coeff 1441147
cxcompotor 18210291
cxnorm 91203818
cxtofp 9079260
cxtoreal 337207
cyc_get_expo 2757539
cyclic_perm 99911
dbllog2r 92817693
degpol 5486093557
div_content 58517
divsBIL 8088097870
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997101
ell_get_a2 7106196
ell_get_a3 8814070
ell_get_a4 8536737
ell_get_a6 10370975
ell_get_b2 7371035
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017757
ell_get_c6 13472911
ell_get_disc 16814805
ell_get_j 2126269
ell_get_type 12498715
ell_is_inf 52370257
ellff_get_a4a6 800049
ellff_get_field 2036905
ellinf 1869921
ellnf_get_bnf 119
ellnf_get_nf 2027235
equali1 1174235205
equalim1 139505157
err_get_compo 294
err_get_num 62523
gaddgs 123248636
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 255335609
gc_INT 4107162688
gc_INT_affii 8495415
gc_all 109626489
gc_leaf 1134821025
gc_slice 2204190
gc_upto 1951895233
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 761927
gdivsg 531591
gen_I 1269722
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929182
get_F2x_mod 2499232
get_F2x_var 2534145
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82229023
get_Flx_mod 25591148
get_Flx_var 68343984
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 6424317
get_FpX_mod 3394389
get_FpX_var 6957849
gisdouble 2991825
gmax_shallow 13510199
gmaxsg 0
gmin_shallow 877670
gminsg 0
gmulgs 22582295
gmulgu 282059385
gsubgs 1724805
gtodouble 60781821
gtofp 254296710
gtomp 22428
gtos 85855665
gtou 99532
guncloneNULL 47935414
guncloneNULL_deep 1439815
gval 6230
hash_str 2756813
hash_str_len 31544516
icopy_avma 8035822840
idealchineseinit 5427
idealred 138457
identity_ZV 8113
identity_perm 3241258
identity_zv 3265607
inf_get_sign 1452800
inv_content 0
is_bigint 562944197
is_const_t 4894149540
is_extscalar_t 6876
is_intreal_t 9585909
is_matvec_t 659410206
is_noncalc_t 85875096
is_pm1 2202994313
is_qfb_t 0
is_rational_t 5032337
is_real_t 62062466
is_recursive_t 9234305710
is_scalar_t 375660444
is_universal_constant 325765845
is_vec_t 43939079
isint1 17584785
isintm1 5710262
isintzero 2843041896
ismpzero 9585809
isonstack 8264999753
killblock 1922763
leading_coeff 170259425
leafcopy_avma 576886600
lg_increase 318493189
lgcols 350600577
lgpol 2684032543
lincombii 38212439
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 754821
matpascal 3983
matslice 16818034
mkcol 10639931
mkcol2 156767616
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33543
mkcols 40411
mkcomplex 91612647
mkerr 0
mkfrac 41639835
mkfraccopy 4999247
mkfracss 1209563
mkintmod 8092712
mkintmodu 1813
mkmat 4750885
mkmat2 33652361
mkmat22 50246243
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122224
mkmoo 108759
mkoo 1331778
mkpadic 2009
mkpolmod 3103723
mkqfb 27927760
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71045657
mkvec2 185842097
mkvec2copy 114508
mkvec2s 220244
mkvec3 117696316
mkvec3s 524441
mkvec4 10093729
mkvec4s 21
mkvec5 15185620
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131642279
mkvecsmall2 234824358
mkvecsmall3 104167865
mkvecsmall4 18648955
mkvecsmall5 1717493
modpr_get_T 13867533
modpr_get_p 1888404
modpr_get_pr 31237771
mul_content 2654212
mul_denom 10710841
mulsubii 3881833
nbits2extraprec 1456736643
nbits2ndec 228
nbits2nlong 12753616
nbits2prec 186126418
nbrows 157439466
nchar2nlong 127382186
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303799
nf_get_M 21306861
nf_get_Tr 22075
nf_get_degree 71363582
nf_get_diff 4445
nf_get_disc 463468
nf_get_index 3711337
nf_get_invzk 9767360
nf_get_pol 98072740
nf_get_r1 23027241
nf_get_r2 4154
nf_get_ramified_primes 64641
nf_get_roots 1627837
nf_get_roundG 1747130
nf_get_sign 519546
nf_get_varn 1503544
nf_get_zk 4382
nf_get_zkden 5463095
nf_get_zkprimpart 5417299
normalize_frac 17204496
odd 2089477288
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 509358561
pari_malloc 745243758
pari_realloc 1890
pari_realloc_ip 2253936
pari_stack_alloc 1019526305
pari_stack_base 1025085247
pari_stack_delete 5596634
pari_stack_init 6050626
pari_stack_new 924839736
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781890
perm_mul 80891227
perm_sqr 728
pol0_F2x 13251323
pol0_Flx 103488584
pol1_F2x 3958805
pol1_Flx 55050270
pol_0 82996556
pol_1 3755724
pol_x 3856816
pol_xn 2249284
pol_xnall 294
polx_F2x 1078127
polx_Flx 37481920
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43126937
pr_get_e 16101932
pr_get_f 26341578
pr_get_gen 12067013
pr_get_p 92475173
pr_get_tau 49564226
pr_is_inert 17145824
pr_norm 1089328
prec2lg 4468796441
prec2nbits 103959736
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475382
qfb_disc 18502502
qfb_disc3 4994830
qfb_is_qfi 62333477
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7997217324
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 763863
row_i 987
rowcopy 204988
rowpermute 14705219
rowslice 79306238
rowslicepermute 184852
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27626164
sqrfrac 4148079
sqrti 6664622
sqrtnr 2809069
sqrtr 80371346
sstoQ 1097215
sturm 385
submulii 32838828
submuliu 7700
submuliu_inplace 60135470
truecoef 0
trunc_safe 0
ulogint 1725610
upr_norm 346134
uutoQ 1600198
vec_append 3465051
vec_ei 1713881
vec_lengthen 18960
vec_prepend 313995
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036596
veclast 9372709
vecmodii 0
vecmoduu 49784
vecpermute 20543949
vecreverse 697276
vecreverse_inplace 2605
vecslice 656133320
vecslicepermute 2690131
vecsmall_append 4099594
vecsmall_coincidence 0
vecsmall_concat 1464238
vecsmall_copy 4403965
vecsmall_ei 584695
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043253
vecsmall_max 1163909
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75630
vecsmall_to_col 7838604
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78695818
vecsmalltrunc_append 100793821
vecsmalltrunc_init 190874156
vecsplice 384900
vectrunc_append 15849705
vectrunc_append_batch 9667
vectrunc_init 11768453
zc_to_ZC 7824408
zero_F2m 0
zero_F2m_copy 845041
zero_F2v 3647671
zero_F2x 1350
zero_Flm 2829384
zero_Flm_copy 238193
zero_Flv 59659993
zero_Flx 1426499
zero_zm 0
zero_zv 36734759
zero_zx 0
zerocol 122322257
zeromat 109097
zeromatcopy 14248712
zeropadic 855914
zeropadic_shallow 17024
zeropol 42353905
zeroser 138908
zerovec 28453527
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 2183869
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16