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 30586-ccf601f509) Lines: 1421 1535 92.6 %
Date: 2025-12-26 09:21:14 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 8038571
F2m_copy 200478
F2m_flip 1554191
F2m_set 798
F2v_clear 12353768
F2v_coeff 661318198
F2v_copy 4487
F2v_ei 42
F2v_flip 1554191
F2v_set 101403387
F2v_to_F2x 37938
F2xX_shift 0
F2x_clear 12353773
F2x_coeff 667935536
F2x_copy 60472771
F2x_div 1570912
F2x_equal 4663909
F2x_equal1 2874002
F2x_flip 1554191
F2x_renormalize 115258694
F2x_set 124772173
F2xqX_div 33173
F3m_coeff 3255865
F3m_copy 0
F3m_set 0
Flm_copy 6433316
Flm_row 8741000
Flv_copy 2554994
Flx_constant 333940
Flx_copy 173155952
Flx_div 1997943
Flx_div_pre 21686907
Flx_equal1 8329871
Flx_lead 978311
Flx_mulu 1105315
FlxqX_div 0
FlxqX_div_pre 165411
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694389
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581055
FpX_renormalize 144209326
Fp_add 180905071
Fp_addmul 11196298
Fp_center 77122457
Fp_center_i 17959964
Fp_div 15034242
Fp_divu 15128767
Fp_double 20773377
Fp_halve 247271
Fp_inv 23438185
Fp_invsafe 1100351
Fp_mul 200615395
Fp_muls 17780
Fp_mulu 68749568
Fp_neg 31481523
Fp_red 82192782
Fp_sqr 63576153
Fp_sub 203012930
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 427301
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38568
FqX_div_by_X_x 69699
FqX_divrem 0
FqX_extgcd 444667
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 367703
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 3106017
Fq_to_FpXQ 73652
GENbinbase 961765982
QV_isscalar 54415249
Q_abs 8062591
Q_abs_shallow 120240
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619824
RgC_gtofp 34031680
RgC_gtomp 574
RgM_dimensions 9741412
RgM_fpnorml2 22662
RgM_gtofp 8257802
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22172896
RgV_gtofp 56
RgV_is_QV 140722
RgV_is_ZV 32158325
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210278
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406356
RgX_div 7000642
RgX_equal_var 26883016
RgX_fpnorml2 61496
RgX_gtofp 7144858
RgX_is_QX 399933
RgX_is_ZX 22423102
RgX_is_monomial 1331361
RgX_is_rational 68165
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451126
Rg_to_Fq 756
ZC_hnfrem 10696109
ZM_ZV_mod 596452
ZM_hnfrem 363798
ZM_lll 7116363
ZV_ZV_mod 8131399
ZV_dvd 23485
ZV_isscalar 23233890
ZV_to_zv 3211408
ZXQ_mul 2161273
ZXQ_sqr 960426
ZX_equal1 12850
ZX_is_monic 7374287
ZX_renormalize 154971486
Z_ispower 98
Z_issquare 458706
abgrp_get_cyc 12230765
abgrp_get_gen 1765036
abgrp_get_no 354945
absfrac 46638525
absfrac_shallow 28237
addmuliu 535808
addmuliu_inplace 59651273
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157254
bid_get_U 3680232
bid_get_arch 41188
bid_get_archp 2397101
bid_get_cyc 5739804
bid_get_fact 2498919
bid_get_fact2 2201578
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804655
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157973
bin_copy 495985030
bit_accuracy 3156295284
bit_accuracy_mul 3175472
bit_prec 142808139
bnf_get_clgp 5375017
bnf_get_cyc 3686159
bnf_get_fu 25859
bnf_get_fu_nocheck 289078
bnf_get_gen 1680323
bnf_get_logfu 2874758
bnf_get_nf 9863905
bnf_get_no 8365
bnf_get_reg 648
bnf_get_sunits 1367771
bnf_get_tuN 282991
bnf_get_tuU 303564
bnr_get_bid 2046092
bnr_get_bnf 3751379
bnr_get_clgp 2830237
bnr_get_cyc 2522562
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368097
bnr_get_no 277491
both_odd 123686021
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975458
cgiv 102265316
checkell_i 5593233
closure_arity 371451734
closure_codestr 321599060
closure_get_code 0
closure_get_data 321553094
closure_get_dbg 13621
closure_get_frame 14157512
closure_get_oper 321579636
closure_get_text 37051
closure_is_variadic 44788670
col_ei 5924517
coltrunc_init 740250
const_col 9729629
const_vec 34469327
const_vecsmall 19699289
constant_coeff 1441152
cxcompotor 18209535
cxnorm 91199023
cxtofp 9078906
cxtoreal 337205
cyc_get_expo 2757547
cyclic_perm 99911
dbllog2r 92815833
degpol 5495685981
div_content 58518
divsBIL 8086721526
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997063
ell_get_a2 7106188
ell_get_a3 8814031
ell_get_a4 8536729
ell_get_a6 10370967
ell_get_b2 7371004
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017294
ell_get_c6 13473836
ell_get_disc 16813682
ell_get_j 2126269
ell_get_type 12498791
ell_is_inf 52322652
ellff_get_a4a6 800015
ellff_get_field 2036856
ellinf 1869772
ellnf_get_bnf 119
ellnf_get_nf 2027216
equali1 1174217842
equalim1 139505267
err_get_compo 294
err_get_num 62522
gaddgs 123248678
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 255349894
gc_INT 4105842240
gc_INT_affii 8490188
gc_all 109627635
gc_leaf 1137847704
gc_slice 2204179
gc_upto 1951867193
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 761915
gdivsg 531591
gen_I 1269706
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929088
get_F2x_mod 2499193
get_F2x_var 2534051
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82906824
get_Flx_mod 25591204
get_Flx_var 68339485
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 6424440
get_FpX_mod 3394367
get_FpX_var 6957903
gisdouble 2992137
gmax_shallow 13510199
gmaxsg 0
gmin_shallow 877661
gminsg 0
gmulgs 22608894
gmulgu 282059385
gsubgs 1724814
gtodouble 60778488
gtofp 254326277
gtomp 22428
gtos 85855593
gtou 99526
guncloneNULL 47938443
guncloneNULL_deep 1442494
gval 6230
hash_str 2756813
hash_str_len 31544555
icopy_avma 8035144887
idealchineseinit 5427
idealred 138458
identity_ZV 8113
identity_perm 3241389
identity_zv 3265739
inf_get_sign 1452924
inv_content 0
is_bigint 562942103
is_const_t 4893090804
is_extscalar_t 6876
is_intreal_t 9585940
is_matvec_t 659572483
is_noncalc_t 85874709
is_pm1 2203753861
is_qfb_t 0
is_rational_t 5032337
is_real_t 62062465
is_recursive_t 9234031877
is_scalar_t 375660743
is_universal_constant 325774483
is_vec_t 43951403
isint1 17584651
isintm1 5710124
isintzero 2842963248
ismpzero 9585838
isonstack 8266686952
killblock 1923299
leading_coeff 170259858
leafcopy_avma 577067050
lg_increase 315849473
lgcols 350597728
lgpol 2687836105
lincombii 38215027
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 754835
matpascal 3983
matslice 16817911
mkcol 10639869
mkcol2 156769565
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33536
mkcols 40411
mkcomplex 91604085
mkerr 0
mkfrac 41640979
mkfraccopy 4999021
mkfracss 1209563
mkintmod 8092288
mkintmodu 1813
mkmat 4750887
mkmat2 33652449
mkmat22 50247239
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122237
mkmoo 108778
mkoo 1331883
mkpadic 2009
mkpolmod 3103727
mkqfb 27927312
mkquad 69118
mkrfrac 698438
mkrfraccopy 14
mkvec 71046440
mkvec2 184880216
mkvec2copy 114507
mkvec2s 220237
mkvec3 119739827
mkvec3s 524441
mkvec4 10093657
mkvec4s 21
mkvec5 15185635
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131629512
mkvecsmall2 234802472
mkvecsmall3 104169086
mkvecsmall4 18656119
mkvecsmall5 1717507
modpr_get_T 13867483
modpr_get_p 1888404
modpr_get_pr 31237687
mul_content 2654200
mul_denom 10711040
mulsubii 3881364
nbits2extraprec 1456851163
nbits2ndec 228
nbits2nlong 12750011
nbits2prec 186131592
nbrows 157442368
nchar2nlong 127385249
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303790
nf_get_M 21307099
nf_get_Tr 22084
nf_get_degree 71364280
nf_get_diff 4445
nf_get_disc 463474
nf_get_index 3711311
nf_get_invzk 9767272
nf_get_pol 98073392
nf_get_r1 23027564
nf_get_r2 4154
nf_get_ramified_primes 64643
nf_get_roots 1627845
nf_get_roundG 1747116
nf_get_sign 519542
nf_get_varn 1503524
nf_get_zk 4382
nf_get_zkden 5463150
nf_get_zkprimpart 5417398
normalize_frac 17204301
odd 2088925577
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 509360393
pari_malloc 745244044
pari_realloc 1890
pari_realloc_ip 2254313
pari_stack_alloc 1019677533
pari_stack_base 1025240336
pari_stack_delete 5605610
pari_stack_init 6050631
pari_stack_new 924991249
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781907
perm_mul 80891735
perm_sqr 728
pol0_F2x 13247935
pol0_Flx 103477351
pol1_F2x 3957923
pol1_Flx 55048632
pol_0 82996564
pol_1 3755685
pol_x 3856915
pol_xn 2249288
pol_xnall 294
polx_F2x 1078612
polx_Flx 37482804
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43126921
pr_get_e 16101873
pr_get_f 26341638
pr_get_gen 12067052
pr_get_p 92475379
pr_get_tau 49564523
pr_is_inert 17145980
pr_norm 1089348
prec2lg 4467952844
prec2nbits 103959686
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475369
qfb_disc 18502532
qfb_disc3 4994600
qfb_is_qfi 62330093
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7995873448
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 763891
row_i 987
rowcopy 204988
rowpermute 14705353
rowslice 79300291
rowslicepermute 184778
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27626565
sqrfrac 4148214
sqrti 6664587
sqrtnr 2809106
sqrtr 80370955
sstoQ 1097215
sturm 385
submulii 32838828
submuliu 7700
submuliu_inplace 60145354
truecoef 0
trunc_safe 0
ulogint 1717056
upr_norm 346135
uutoQ 1600198
vec_append 3465024
vec_ei 1713847
vec_lengthen 18960
vec_prepend 314000
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036588
veclast 9372698
vecmodii 0
vecmoduu 49784
vecpermute 20543182
vecreverse 697277
vecreverse_inplace 2605
vecslice 656017286
vecslicepermute 2689906
vecsmall_append 4099599
vecsmall_coincidence 0
vecsmall_concat 1464248
vecsmall_copy 4403879
vecsmall_ei 584715
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1163784
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75638
vecsmall_to_col 7838440
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78696623
vecsmalltrunc_append 100739538
vecsmalltrunc_init 188822045
vecsplice 384914
vectrunc_append 15853113
vectrunc_append_batch 9667
vectrunc_init 11769654
zc_to_ZC 7824260
zero_F2m 0
zero_F2m_copy 845056
zero_F2v 3647704
zero_F2x 1350
zero_Flm 2829494
zero_Flm_copy 238198
zero_Flv 59657602
zero_Flx 1426695
zero_zm 0
zero_zv 36733821
zero_zx 0
zerocol 122323653
zeromat 109114
zeromatcopy 14248414
zeropadic 855871
zeropadic_shallow 17024
zeropol 42353909
zeroser 138908
zerovec 28453455
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 2183784
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16