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 30580-ef5a862e7f) Lines: 1420 1535 92.5 %
Date: 2025-12-19 09:23:05 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 8036986
F2m_copy 200493
F2m_flip 1553610
F2m_set 798
F2v_clear 12354969
F2v_coeff 661317214
F2v_copy 4487
F2v_ei 42
F2v_flip 1553610
F2v_set 101402733
F2v_to_F2x 37612
F2xX_shift 0
F2x_clear 12354967
F2x_coeff 667963353
F2x_copy 59678196
F2x_div 1558518
F2x_equal 4606615
F2x_equal1 2874087
F2x_flip 1553610
F2x_renormalize 114293788
F2x_set 124565040
F2xqX_div 33173
F3m_coeff 3256659
F3m_copy 0
F3m_set 0
Flm_copy 6435857
Flm_row 8743213
Flv_copy 2555255
Flx_constant 334008
Flx_copy 173894804
Flx_div 1999533
Flx_div_pre 21723851
Flx_equal1 8331102
Flx_lead 980556
Flx_mulu 1105383
FlxqX_div 0
FlxqX_div_pre 165412
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693811
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583305
FpX_renormalize 144474191
Fp_add 181934213
Fp_addmul 11460445
Fp_center 77207594
Fp_center_i 18030039
Fp_div 15034633
Fp_divu 15129150
Fp_double 22455171
Fp_halve 247341
Fp_inv 23445312
Fp_invsafe 1100588
Fp_mul 201204555
Fp_muls 17780
Fp_mulu 67522524
Fp_neg 31483846
Fp_red 82114366
Fp_sqr 65428676
Fp_sub 204402036
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 572216
FqX_Fq_mul 427296
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38567
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445091
FqX_factor 141072
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 367816
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 3106264
Fq_to_FpXQ 73792
GENbinbase 966900538
QV_isscalar 54414975
Q_abs 8064972
Q_abs_shallow 120246
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622069
RgC_gtofp 34040027
RgC_gtomp 574
RgM_dimensions 9742554
RgM_fpnorml2 22788
RgM_gtofp 8259600
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179066
RgV_gtofp 56
RgV_is_QV 140762
RgV_is_ZV 32177725
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210291
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409388
RgX_div 7000740
RgX_equal_var 26883200
RgX_fpnorml2 61663
RgX_gtofp 7147393
RgX_is_QX 400302
RgX_is_ZX 22425994
RgX_is_monomial 1331714
RgX_is_rational 68306
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451483
Rg_to_Fq 756
ZC_hnfrem 10696108
ZM_ZV_mod 596650
ZM_hnfrem 363869
ZM_lll 7117636
ZV_ZV_mod 8131605
ZV_dvd 23485
ZV_isscalar 23234632
ZV_to_zv 3211415
ZXQ_mul 2162600
ZXQ_sqr 961363
ZX_equal1 12808
ZX_is_monic 7376186
ZX_renormalize 155013989
Z_ispower 98
Z_issquare 458916
abgrp_get_cyc 12231246
abgrp_get_gen 1765082
abgrp_get_no 355205
absfrac 46646936
absfrac_shallow 28237
addmuliu 535802
addmuliu_inplace 59749879
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157251
bid_get_U 3680232
bid_get_arch 41188
bid_get_archp 2397095
bid_get_cyc 5739786
bid_get_fact 2498934
bid_get_fact2 2201572
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804644
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157983
bin_copy 498657336
bit_accuracy 3163356317
bit_accuracy_mul 3175442
bit_prec 142824424
bnf_get_clgp 5375552
bnf_get_cyc 3686634
bnf_get_fu 25859
bnf_get_fu_nocheck 289092
bnf_get_gen 1680368
bnf_get_logfu 2874779
bnf_get_nf 9864884
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367812
bnf_get_tuN 283004
bnf_get_tuU 303578
bnr_get_bid 2046119
bnr_get_bnf 3751383
bnr_get_clgp 2830253
bnr_get_cyc 2522576
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77133
bnr_get_nf 1368131
bnr_get_no 277492
both_odd 123860119
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975459
cgiv 102264692
checkell_i 5593469
closure_arity 371425643
closure_codestr 321528655
closure_get_code 0
closure_get_data 321501155
closure_get_dbg 13621
closure_get_frame 14176218
closure_get_oper 321516520
closure_get_text 37051
closure_is_variadic 44831688
col_ei 5926698
coltrunc_init 740250
const_col 9730253
const_vec 34489798
const_vecsmall 19711721
constant_coeff 1441484
cxcompotor 18217088
cxnorm 91215124
cxtofp 9082729
cxtoreal 337206
cyc_get_expo 2757786
cyclic_perm 99911
dbllog2r 92833617
degpol 5509715271
div_content 58559
divsBIL 8098517422
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997099
ell_get_a2 7106192
ell_get_a3 8814066
ell_get_a4 8536733
ell_get_a6 10370971
ell_get_b2 7371035
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018344
ell_get_c6 13474744
ell_get_disc 16815624
ell_get_j 2126227
ell_get_type 12499631
ell_is_inf 53078797
ellff_get_a4a6 800045
ellff_get_field 2036894
ellinf 1869751
ellnf_get_bnf 126
ellnf_get_nf 2027614
equali1 1176763402
equalim1 139505735
err_get_compo 294
err_get_num 62523
gaddgs 123248636
gal_get_den 27874
gal_get_e 91
gal_get_gen 15442
gal_get_group 80393
gal_get_invvdm 27881
gal_get_mod 23765
gal_get_orders 6678
gal_get_p 6013
gal_get_pol 36330
gal_get_roots 32746
gc_GEN 256652937
gc_INT 4112939392
gc_INT_affii 8497338
gc_all 110428358
gc_leaf 1136744075
gc_slice 2204902
gc_upto 1952430694
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 761924
gdivsg 531591
gen_I 1269767
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929103
get_F2x_mod 2499247
get_F2x_var 2534422
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82104699
get_Flx_mod 25611605
get_Flx_var 68426379
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 6424557
get_FpX_mod 3394610
get_FpX_var 6957755
gisdouble 2991693
gmax_shallow 13510212
gmaxsg 0
gmin_shallow 878640
gminsg 0
gmulgs 22524320
gmulgu 282059385
gsubgs 1724817
gtodouble 60799854
gtofp 254369989
gtomp 22428
gtos 85855986
gtou 99706
guncloneNULL 48167358
guncloneNULL_deep 1449440
gval 6230
hash_str 2756811
hash_str_len 31551477
icopy_avma 8046348169
idealchineseinit 5427
idealred 138677
identity_ZV 8113
identity_perm 3242314
identity_zv 3266666
inf_get_sign 1453057
inv_content 0
is_bigint 562983782
is_const_t 4893360500
is_extscalar_t 6876
is_intreal_t 9586103
is_matvec_t 659524990
is_noncalc_t 85877585
is_pm1 2203287074
is_qfb_t 0
is_rational_t 5036148
is_real_t 62063265
is_recursive_t 9244128461
is_scalar_t 375697356
is_universal_constant 325893630
is_vec_t 43969665
isint1 17587115
isintm1 5710998
isintzero 2842270357
ismpzero 9585995
isonstack 8273262769
killblock 1932791
leading_coeff 170498863
leafcopy_avma 577485432
lg_increase 316946770
lgcols 350858671
lgpol 2686104749
lincombii 38206528
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 754878
matpascal 3983
matslice 16822058
mkcol 10641339
mkcol2 156875319
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232561
mkcolcopy 33541
mkcols 40411
mkcomplex 91622722
mkerr 0
mkfrac 41638854
mkfraccopy 4999342
mkfracss 1209563
mkintmod 8092630
mkintmodu 1813
mkmat 4751285
mkmat2 33663307
mkmat22 50280816
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122229
mkmoo 108817
mkoo 1331991
mkpadic 2009
mkpolmod 3105425
mkqfb 27928704
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71122415
mkvec2 185147352
mkvec2copy 114610
mkvec2s 220473
mkvec3 117171891
mkvec3s 524441
mkvec4 10116155
mkvec4s 21
mkvec5 15186811
mkvec5s 0
mkvec6 0
mkvec6s 322
mkveccopy 122521
mkvecs 168
mkvecsmall 131674066
mkvecsmall2 234723750
mkvecsmall3 104709348
mkvecsmall4 18529248
mkvecsmall5 1734951
modpr_get_T 13867853
modpr_get_p 1888529
modpr_get_pr 31238679
mul_content 2654843
mul_denom 10713651
mulsubii 3882167
nbits2extraprec 1457150297
nbits2ndec 228
nbits2nlong 12726929
nbits2prec 186141121
nbrows 157499901
nchar2nlong 127430950
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304094
nf_get_M 21307075
nf_get_Tr 22084
nf_get_degree 71367960
nf_get_diff 4452
nf_get_disc 464012
nf_get_index 3712223
nf_get_invzk 9769241
nf_get_pol 98081496
nf_get_r1 23027585
nf_get_r2 4154
nf_get_ramified_primes 64882
nf_get_roots 1628372
nf_get_roundG 1747388
nf_get_sign 519551
nf_get_varn 1503777
nf_get_zk 4382
nf_get_zkden 5463912
nf_get_zkprimpart 5418063
normalize_frac 17205795
odd 2094430468
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 512068174
pari_malloc 747955092
pari_realloc 1890
pari_realloc_ip 2267665
pari_stack_alloc 1019720239
pari_stack_base 1025293248
pari_stack_delete 5639125
pari_stack_init 6087753
pari_stack_new 925006559
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782869
perm_mul 80936832
perm_sqr 728
pol0_F2x 13200337
pol0_Flx 103493330
pol1_F2x 3958856
pol1_Flx 55101921
pol_0 83001912
pol_1 3756593
pol_x 3858477
pol_xn 2250072
pol_xnall 294
polx_F2x 1074339
polx_Flx 37848366
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43215133
pr_get_e 16102846
pr_get_f 26344377
pr_get_gen 12068626
pr_get_p 92479327
pr_get_tau 49566446
pr_is_inert 17147038
pr_norm 1089912
prec2lg 4468309555
prec2nbits 103971215
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475476
qfb_disc 18523634
qfb_disc3 4995303
qfb_is_qfi 63385121
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8007496860
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
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 786030
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845164
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764067
row_i 987
rowcopy 204988
rowpermute 14709689
rowslice 79342532
rowslicepermute 184694
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27652153
sqrfrac 4148088
sqrti 6666701
sqrtnr 2809364
sqrtr 80385515
sstoQ 1097215
sturm 385
submulii 32844572
submuliu 7665
submuliu_inplace 60238527
truecoef 0
trunc_safe 0
ulogint 1717090
upr_norm 346136
uutoQ 1600198
vec_append 3465877
vec_ei 1714892
vec_lengthen 18981
vec_prepend 313998
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036868
veclast 9372739
vecmodii 0
vecmoduu 49784
vecpermute 20543630
vecreverse 697234
vecreverse_inplace 2605
vecslice 656311447
vecslicepermute 2689999
vecsmall_append 4110669
vecsmall_coincidence 0
vecsmall_concat 1464545
vecsmall_copy 4404413
vecsmall_ei 584714
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164803
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186984
vecsmall_reverse 3059
vecsmall_shorten 75923
vecsmall_to_col 7838272
vecsmall_to_vec 511823
vecsmall_to_vec_inplace 3304
vecsmallpermute 78741210
vecsmalltrunc_append 101797248
vecsmalltrunc_init 190520544
vecsplice 384924
vectrunc_append 16171064
vectrunc_append_batch 12376
vectrunc_init 12063303
zc_to_ZC 7824092
zero_F2m 0
zero_F2m_copy 845110
zero_F2v 3647917
zero_F2x 1350
zero_Flm 2830133
zero_Flm_copy 238671
zero_Flv 59649254
zero_Flx 1426740
zero_zm 0
zero_zv 36732850
zero_zx 0
zerocol 122349415
zeromat 109117
zeromatcopy 14251147
zeropadic 855741
zeropadic_shallow 17024
zeropol 42358583
zeroser 138908
zerovec 28455747
zerovec_block 29507
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 2183994
zv_to_ZV 503024
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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