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 30660-09c6d0ed2e) Lines: 1420 1535 92.5 %
Date: 2026-02-03 09:23:21 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 200445
F2m_flip 1554050
F2m_set 798
F2v_clear 12353714
F2v_coeff 661318283
F2v_copy 4487
F2v_ei 42
F2v_flip 1554050
F2v_set 101403260
F2v_to_F2x 37822
F2xX_shift 0
F2x_clear 12353714
F2x_coeff 667901310
F2x_copy 60526730
F2x_div 1570119
F2x_equal 4667585
F2x_equal1 2874085
F2x_flip 1554050
F2x_renormalize 115401519
F2x_set 124779013
F2xqX_div 33173
F3m_coeff 3255868
F3m_copy 0
F3m_set 0
Flm_copy 6433649
Flm_row 8741239
Flv_copy 2555019
Flx_constant 334022
Flx_copy 173232437
Flx_div 1998024
Flx_div_pre 21693468
Flx_equal1 8330099
Flx_lead 979149
Flx_mulu 1105417
FlxqX_div 0
FlxqX_div_pre 165416
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694417
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581244
FpX_renormalize 144220349
Fp_add 181253422
Fp_addmul 11261118
Fp_center 77205370
Fp_center_i 18016813
Fp_div 15033653
Fp_divu 15128135
Fp_double 20906576
Fp_halve 247271
Fp_inv 23440430
Fp_invsafe 1100362
Fp_mul 200810526
Fp_muls 17780
Fp_mulu 67558873
Fp_neg 31479358
Fp_red 82191819
Fp_sqr 64007208
Fp_sub 202739157
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 571643
FqX_Fq_mul 427302
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 444764
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 367712
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 3106454
Fq_to_FpXQ 73652
GENbinbase 961920469
QV_isscalar 54417018
Q_abs 8062531
Q_abs_shallow 120238
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619846
RgC_gtofp 34035190
RgC_gtomp 574
RgM_dimensions 9741768
RgM_fpnorml2 22662
RgM_gtofp 8258728
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179931
RgV_gtofp 56
RgV_is_QV 140734
RgV_is_ZV 32158275
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210270
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406696
RgX_div 7000642
RgX_equal_var 26883022
RgX_fpnorml2 61600
RgX_gtofp 7145200
RgX_is_QX 399938
RgX_is_ZX 22423401
RgX_is_monomial 1331371
RgX_is_rational 68163
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451014
Rg_to_Fq 756
ZC_hnfrem 10697459
ZM_ZV_mod 596486
ZM_hnfrem 363785
ZM_lll 7118240
ZV_ZV_mod 8131501
ZV_dvd 23485
ZV_isscalar 23675058
ZV_to_zv 3211408
ZXQ_mul 2161240
ZXQ_sqr 960443
ZX_equal1 12850
ZX_is_monic 7374287
ZX_renormalize 155033754
Z_ispower 98
Z_issquare 457643
abgrp_get_cyc 12230842
abgrp_get_gen 1765036
abgrp_get_no 354943
absfrac 46638570
absfrac_shallow 28237
addmuliu 535772
addmuliu_inplace 59653695
affc_fixlg 249619
affgr 899594
bid_get_MOD 2157246
bid_get_U 3680226
bid_get_arch 41188
bid_get_archp 2397124
bid_get_cyc 5739840
bid_get_fact 2498940
bid_get_fact2 2201567
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804692
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157971
bin_copy 496066983
bit_accuracy 3160449834
bit_accuracy_mul 3175484
bit_prec 143261691
bnf_get_clgp 5375031
bnf_get_cyc 3686164
bnf_get_fu 25859
bnf_get_fu_nocheck 289087
bnf_get_gen 1680325
bnf_get_logfu 2874773
bnf_get_nf 9865196
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367776
bnf_get_tuN 282999
bnf_get_tuU 303581
bnr_get_bid 2046087
bnr_get_bnf 3710931
bnr_get_clgp 2830241
bnr_get_cyc 2522573
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1399074
bnr_get_no 277483
both_odd 123971744
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975458
cgiv 102687212
checkell_i 5593197
closure_arity 372674021
closure_codestr 322255581
closure_get_code 0
closure_get_data 322212978
closure_get_dbg 13635
closure_get_frame 14715294
closure_get_oper 322239065
closure_get_text 37079
closure_is_variadic 45903099
col_ei 5924624
coltrunc_init 740250
const_col 9729680
const_vec 34566081
const_vecsmall 19706988
constant_coeff 1441442
cxcompotor 18210221
cxnorm 91198962
cxtofp 9079171
cxtoreal 337205
cyc_get_expo 2757549
cyclic_perm 99911
dbllog2r 92818122
degpol 5492082046
div_content 58505
divsBIL 8095040801
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997087
ell_get_a2 7106184
ell_get_a3 8814055
ell_get_a4 8536725
ell_get_a6 10370963
ell_get_b2 7371033
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017569
ell_get_c6 13473997
ell_get_disc 16814552
ell_get_j 2126269
ell_get_type 12498675
ell_is_inf 52357871
ellff_get_a4a6 800032
ellff_get_field 2036865
ellinf 1869949
ellnf_get_bnf 119
ellnf_get_nf 2027249
equali1 1174331700
equalim1 139505228
err_get_compo 294
err_get_num 62550
gaddgs 123248637
gal_get_den 27866
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 255517029
gc_INT 4111928557
gc_INT_affii 8492402
gc_all 109637165
gc_leaf 1136904949
gc_slice 2204256
gc_upto 1954580095
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 761918
gdivsg 531590
gen_I 1269720
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929017
get_F2x_mod 2499333
get_F2x_var 2534040
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82269610
get_Flx_mod 25597378
get_Flx_var 68359089
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 6424205
get_FpX_mod 3394371
get_FpX_var 6958127
gisdouble 2996987
gmax_shallow 13510200
gmaxsg 0
gmin_shallow 877779
gminsg 0
gmulgs 22632178
gmulgu 282059385
gsubgs 1724822
gtodouble 60781656
gtofp 254347355
gtomp 22428
gtos 85855667
gtou 100697
guncloneNULL 48013459
guncloneNULL_deep 1499317
gval 6230
hash_str 2760615
hash_str_len 31630540
icopy_avma 8040500672
idealchineseinit 5427
idealred 138442
identity_ZV 8113
identity_perm 3241546
identity_zv 3265896
inf_get_sign 1452962
inv_content 0
is_bigint 563414092
is_const_t 4899420658
is_extscalar_t 6876
is_intreal_t 9584898
is_matvec_t 659661958
is_noncalc_t 85872794
is_pm1 2205193313
is_qfb_t 0
is_rational_t 5032679
is_real_t 62062522
is_recursive_t 9238746973
is_scalar_t 375659671
is_universal_constant 326490413
is_vec_t 43968690
isint1 17584895
isintm1 5710246
isintzero 2844698935
ismpzero 9584798
isonstack 8275862728
killblock 1952029
leading_coeff 170224651
leafcopy_avma 577272698
lg_increase 312763171
lgcols 351616174
lgpol 2688251452
lincombii 38240844
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 754841
matpascal 3983
matslice 16820117
mkcol 10639810
mkcol2 156894866
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33554
mkcols 40411
mkcomplex 91609008
mkerr 0
mkfrac 41641791
mkfraccopy 4999419
mkfracss 1209563
mkintmod 8092630
mkintmodu 1813
mkmat 4750932
mkmat2 33655061
mkmat22 50284187
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122302
mkmoo 108797
mkoo 1331911
mkpadic 2009
mkpolmod 3103721
mkqfb 27930768
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71203795
mkvec2 184263641
mkvec2copy 114527
mkvec2s 220246
mkvec3 117980775
mkvec3s 524441
mkvec4 10093833
mkvec4s 21
mkvec5 15185767
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131643501
mkvecsmall2 234948134
mkvecsmall3 104186972
mkvecsmall4 18672038
mkvecsmall5 1717503
modpr_get_T 13867153
modpr_get_p 1887626
modpr_get_pr 31236648
mul_content 2657305
mul_denom 10707839
mulsubii 3882184
nbits2extraprec 1458466416
nbits2ndec 228
nbits2nlong 12756361
nbits2prec 186142531
nbrows 157474336
nchar2nlong 127563557
ndec2nbits 8270
ndec2nlong 41584
ndec2prec 33314
nfV_to_scalar_or_alg 26300
nf_get_G 304937
nf_get_M 21745810
nf_get_Tr 22084
nf_get_degree 71371084
nf_get_diff 4445
nf_get_disc 463497
nf_get_index 3711419
nf_get_invzk 9767573
nf_get_pol 98109925
nf_get_r1 23466309
nf_get_r2 4154
nf_get_ramified_primes 64644
nf_get_roots 1629023
nf_get_roundG 1748253
nf_get_sign 519551
nf_get_varn 1503763
nf_get_zk 4382
nf_get_zkden 5459939
nf_get_zkprimpart 5414080
normalize_frac 17205580
odd 2089932883
pari_calloc 47720
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 509555037
pari_malloc 745495441
pari_realloc 1890
pari_realloc_ip 2348256
pari_stack_alloc 1022297392
pari_stack_base 1028150974
pari_stack_delete 5852245
pari_stack_init 6351192
pari_stack_new 927050101
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781943
perm_mul 80894745
perm_sqr 728
pol0_F2x 13247577
pol0_Flx 103484237
pol1_F2x 3957746
pol1_Flx 55060547
pol_0 82996705
pol_1 3755738
pol_x 3857198
pol_xn 2249312
pol_xnall 294
polx_F2x 1078057
polx_Flx 37490313
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43130499
pr_get_e 16162330
pr_get_f 26443639
pr_get_gen 12071403
pr_get_p 92751604
pr_get_tau 49769439
pr_is_inert 17224441
pr_norm 1090578
prec2lg 4470207941
prec2nbits 103970434
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475386
qfb_disc 18502546
qfb_disc3 4996315
qfb_is_qfi 62326389
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8003911295
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 763882
row_i 987
rowcopy 204988
rowpermute 14705880
rowslice 79320059
rowslicepermute 185278
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27632493
sqrfrac 4148305
sqrti 6610278
sqrtnr 2810355
sqrtr 80376914
sstoQ 1097215
sturm 385
submulii 31982591
submuliu 7700
submuliu_inplace 60152929
truecoef 0
trunc_safe 0
ulogint 1713145
upr_norm 346136
uutoQ 1600212
vec_append 3464635
vec_ei 1713882
vec_lengthen 18960
vec_prepend 313995
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036637
veclast 9372712
vecmodii 0
vecmoduu 49784
vecpermute 20549765
vecreverse 697277
vecreverse_inplace 2605
vecslice 656053533
vecslicepermute 2691106
vecsmall_append 4099168
vecsmall_coincidence 0
vecsmall_concat 1464224
vecsmall_copy 4403882
vecsmall_ei 584713
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164129
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75642
vecsmall_to_col 7839046
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78699778
vecsmalltrunc_append 100878760
vecsmalltrunc_init 187900230
vecsplice 384916
vectrunc_append 15851301
vectrunc_append_batch 9667
vectrunc_init 11766006
zc_to_ZC 7824864
zero_F2m 0
zero_F2m_copy 845056
zero_F2v 3647768
zero_F2x 1350
zero_Flm 2829464
zero_Flm_copy 238229
zero_Flv 59673447
zero_Flx 1426968
zero_zm 0
zero_zv 36734218
zero_zx 0
zerocol 122341150
zeromat 109118
zeromatcopy 14251200
zeropadic 855694
zeropadic_shallow 17024
zeropol 42353955
zeroser 138908
zerovec 28453768
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 2183765
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16