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 30673-b6380924e9) Lines: 1423 1535 92.7 %
Date: 2026-02-08 09:23:25 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 8035735
F2m_copy 200429
F2m_flip 1553358
F2m_set 798
F2v_clear 12352323
F2v_coeff 661302888
F2v_copy 4487
F2v_ei 42
F2v_flip 1553358
F2v_set 101400956
F2v_to_F2x 37571
F2xX_shift 0
F2x_clear 12352318
F2x_coeff 667920541
F2x_copy 59734893
F2x_div 1556934
F2x_equal 4609752
F2x_equal1 2874250
F2x_flip 1553358
F2x_renormalize 114421253
F2x_set 124571054
F2xqX_div 33173
F3m_coeff 3255863
F3m_copy 0
F3m_set 0
Flm_copy 6433777
Flm_row 8742104
Flv_copy 2555005
Flx_constant 334020
Flx_copy 173230294
Flx_div 1998056
Flx_div_pre 21690973
Flx_equal1 8330175
Flx_lead 978639
Flx_mulu 1105452
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694428
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849903
FpXY_Fq_evaly 20587
FpX_div 5581279
FpX_renormalize 144217279
Fp_add 181122361
Fp_addmul 11226513
Fp_center 77373345
Fp_center_i 18046135
Fp_div 15035267
Fp_divu 15129806
Fp_double 20821997
Fp_halve 247271
Fp_inv 23442099
Fp_invsafe 1100354
Fp_mul 200803601
Fp_muls 17780
Fp_mulu 70241367
Fp_neg 31481314
Fp_red 82194086
Fp_sqr 63984160
Fp_sub 202936399
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 571665
FqX_Fq_mul 427286
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 444771
FqX_factor 140960
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 367710
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 3106551
Fq_to_FpXQ 73652
GENbinbase 961818173
QV_isscalar 54416491
Q_abs 8062715
Q_abs_shallow 120241
Qtoss 35364
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619852
RgC_gtofp 34037626
RgC_gtomp 574
RgM_dimensions 9741729
RgM_fpnorml2 22662
RgM_gtofp 8258619
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179970
RgV_gtofp 56
RgV_is_QV 140736
RgV_is_ZV 32160188
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210270
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103403239
RgX_div 6997996
RgX_equal_var 26883018
RgX_fpnorml2 61600
RgX_gtofp 7145479
RgX_is_QX 399934
RgX_is_ZX 22423281
RgX_is_monomial 1331362
RgX_is_rational 68166
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479369
RgX_shift_inplace_init 479369
RgX_to_RgV 140
Rg_col_ei 1450973
Rg_to_Fq 756
ZC_hnfrem 10697539
ZM_ZV_mod 596652
ZM_hnfrem 363795
ZM_lll 7118078
ZV_ZV_mod 8131972
ZV_dvd 23485
ZV_isscalar 23674568
ZV_to_zv 3211716
ZXQ_mul 2161218
ZXQ_sqr 960440
ZX_equal1 12850
ZX_is_monic 7374289
ZX_renormalize 155031460
Z_ispower 98
Z_issquare 457641
abgrp_get_cyc 12230837
abgrp_get_gen 1765028
abgrp_get_no 354946
absfrac 46540048
absfrac_shallow 28237
addmuliu 535808
addmuliu_inplace 59668570
affc_fixlg 249622
affgr 899594
bid_get_MOD 2157262
bid_get_U 3680240
bid_get_arch 41188
bid_get_archp 2397129
bid_get_cyc 5739838
bid_get_fact 2498948
bid_get_fact2 2201582
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804693
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157988
bin_copy 496020085
bit_accuracy 3156651612
bit_accuracy_mul 3175484
bit_prec 143272058
bnf_get_clgp 5375016
bnf_get_cyc 3686155
bnf_get_fu 25858
bnf_get_fu_nocheck 289094
bnf_get_gen 1680318
bnf_get_logfu 2874769
bnf_get_nf 9865151
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367778
bnf_get_tuN 283003
bnf_get_tuU 303587
bnr_get_bid 2046089
bnr_get_bnf 3710947
bnr_get_clgp 2830260
bnr_get_cyc 2522574
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1399080
bnr_get_no 277485
both_odd 124200614
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102674864
checkell_i 5593282
closure_arity 372066523
closure_codestr 321684046
closure_get_code 0
closure_get_data 321620813
closure_get_dbg 13635
closure_get_frame 14717418
closure_get_oper 321653371
closure_get_text 37079
closure_is_variadic 45906351
col_ei 5924591
coltrunc_init 740257
const_col 9729661
const_vec 34568922
const_vecsmall 19706376
constant_coeff 1441436
cxcompotor 18209924
cxnorm 91198908
cxtofp 9079074
cxtoreal 337207
cyc_get_expo 2757553
cyclic_perm 99911
dbllog2r 92819924
degpol 5511974345
div_content 58504
divsBIL 8093021889
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997080
ell_get_a2 7106188
ell_get_a3 8814048
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 11017736
ell_get_c6 13474203
ell_get_disc 16814926
ell_get_j 2126269
ell_get_type 12498939
ell_is_inf 52404329
ellff_get_a4a6 800026
ellff_get_field 2036867
ellinf 1869969
ellnf_get_bnf 119
ellnf_get_nf 2027262
equali1 1174054756
equalim1 139505383
err_get_compo 294
err_get_num 62550
gaddgs 123248639
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 255507153
gc_INT 4113487729
gc_INT_affii 8491338
gc_all 109641177
gc_leaf 1142649276
gc_slice 2204425
gc_upto 1955471483
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 761928
gdivsg 531590
gen_I 1269731
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929026
get_F2x_mod 2499418
get_F2x_var 2534026
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83643437
get_Flx_mod 25598166
get_Flx_var 68362051
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 6424550
get_FpX_mod 3394365
get_FpX_var 6958218
gisdouble 2996969
gmax_shallow 13510199
gmaxsg 0
gmin_shallow 877789
gminsg 0
gmulgs 22643091
gmulgu 283104681
gsubgs 1724812
gtodouble 60784196
gtofp 254398445
gtomp 22428
gtos 85855693
gtou 100712
guncloneNULL 48002727
guncloneNULL_deep 1487674
gval 6230
hash_str 2760614
hash_str_len 31632025
icopy_avma 8042458364
idealchineseinit 5427
idealred 138435
identity_ZV 8113
identity_perm 3242614
identity_zv 3266965
inf_get_sign 1452919
inv_content 0
is_bigint 563420443
is_const_t 4900576244
is_extscalar_t 6876
is_intreal_t 9584769
is_matvec_t 659003788
is_noncalc_t 85781384
is_pm1 2206456217
is_qfb_t 0
is_rational_t 5032762
is_real_t 62059886
is_recursive_t 9239090206
is_scalar_t 375681458
is_universal_constant 326524739
is_vec_t 43953236
isint1 17586402
isintm1 5710343
isintzero 2845669208
ismpzero 9584661
isonstack 8283117579
killblock 1949384
leading_coeff 170217993
leafcopy_avma 577612082
lg_increase 325127611
lgcols 351671105
lgpol 2693389941
lincombii 38248022
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 754843
matpascal 3983
matslice 16826370
mkcol 10639818
mkcol2 156931046
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33551
mkcols 40411
mkcomplex 91608650
mkerr 0
mkfrac 41647502
mkfraccopy 4999937
mkfracss 1209563
mkintmod 8070720
mkintmodu 1834
mkmat 4750902
mkmat2 33653930
mkmat22 50296296
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122282
mkmoo 108796
mkoo 1331868
mkpadic 2009
mkpolmod 3103715
mkqfb 27929972
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71282172
mkvec2 186957169
mkvec2copy 114524
mkvec2s 220251
mkvec3 122121904
mkvec3s 524441
mkvec4 10094990
mkvec4s 21
mkvec5 15185781
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131592982
mkvecsmall2 234975494
mkvecsmall3 104190195
mkvecsmall4 18686652
mkvecsmall5 1717532
modpr_get_T 13867174
modpr_get_p 1887627
modpr_get_pr 31236673
mul_content 2657114
mul_denom 10707670
mulsubii 3883164
nbits2extraprec 1458476009
nbits2ndec 228
nbits2nlong 12757687
nbits2prec 186143782
nbrows 157484005
nchar2nlong 127570221
ndec2nbits 8270
ndec2nlong 41584
ndec2prec 33314
nfV_to_scalar_or_alg 26299
nf_get_G 304893
nf_get_M 21745303
nf_get_Tr 22084
nf_get_degree 71370459
nf_get_diff 4445
nf_get_disc 463486
nf_get_index 3711415
nf_get_invzk 9767663
nf_get_pol 98109655
nf_get_r1 23465761
nf_get_r2 4154
nf_get_ramified_primes 64645
nf_get_roots 1628966
nf_get_roundG 1748201
nf_get_sign 519551
nf_get_varn 1503776
nf_get_zk 4382
nf_get_zkden 5459829
nf_get_zkprimpart 5414082
normalize_frac 17206801
odd 2091835967
pari_calloc 47734
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 91
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 245
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15370
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 509494351
pari_malloc 745448287
pari_realloc 1890
pari_realloc_ip 2349388
pari_stack_alloc 1021755444
pari_stack_base 1027528173
pari_stack_delete 5802961
pari_stack_init 6352797
pari_stack_new 926487480
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782219
perm_mul 80923873
perm_sqr 728
pol0_F2x 13198157
pol0_Flx 103430711
pol1_F2x 3958109
pol1_Flx 55062426
pol_0 82787564
pol_1 3755875
pol_x 3857355
pol_xn 2249545
pol_xnall 294
polx_F2x 1073136
polx_Flx 37488542
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43130486
pr_get_e 16162083
pr_get_f 26443394
pr_get_gen 12071388
pr_get_p 92750831
pr_get_tau 49768828
pr_is_inert 17224290
pr_norm 1090474
prec2lg 4470712924
prec2nbits 103972616
prec2nbits_mul 581163
prec2ndec 9778
precdbl 475398
qfb_disc 18502583
qfb_disc3 4995872
qfb_is_qfi 62323178
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8001856189
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 763899
row_i 987
rowcopy 204988
rowpermute 14707634
rowslice 79358646
rowslicepermute 185040
rowsplice 273
ser_isexactzero 10120326
shallowcopy 27632225
sqrfrac 4148301
sqrti 6610404
sqrtnr 2810322
sqrtr 80377732
sstoQ 1097313
sturm 385
submulii 31982591
submuliu 7700
submuliu_inplace 60158133
truecoef 0
trunc_safe 0
ulogint 1734416
upr_norm 346133
uutoQ 1602144
vec_append 3464679
vec_ei 1713906
vec_lengthen 18960
vec_prepend 314002
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036961
veclast 9372721
vecmodii 0
vecmoduu 49784
vecpermute 20548819
vecreverse 697305
vecreverse_inplace 2605
vecslice 656544228
vecslicepermute 2691878
vecsmall_append 4114665
vecsmall_coincidence 0
vecsmall_concat 1464227
vecsmall_copy 4403925
vecsmall_ei 584689
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043256
vecsmall_max 1164187
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186977
vecsmall_reverse 3052
vecsmall_shorten 75643
vecsmall_to_col 7838709
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78728490
vecsmalltrunc_append 100902446
vecsmalltrunc_init 193420112
vecsplice 384946
vectrunc_append 15855474
vectrunc_append_batch 9667
vectrunc_init 11766832
zc_to_ZC 7824530
zero_F2m 0
zero_F2m_copy 845014
zero_F2v 3647476
zero_F2x 1350
zero_Flm 2830891
zero_Flm_copy 238232
zero_Flv 59665911
zero_Flx 1426890
zero_zm 0
zero_zv 36725331
zero_zx 0
zerocol 122344884
zeromat 109105
zeromatcopy 14250724
zeropadic 857681
zeropadic_shallow 17150
zeropol 42353431
zeroser 138943
zerovec 29292174
zerovec_block 29654
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38658713
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7982108
znstar_get_conreygen 3290526
znstar_get_cyc 262088
znstar_get_faN 7334819
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2869063
zv_copy 2183745
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16