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 30584-b9873745ba) Lines: 1420 1535 92.5 %
Date: 2025-12-21 09:21:02 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 8038299
F2m_copy 200475
F2m_flip 1554050
F2m_set 798
F2v_clear 12353690
F2v_coeff 661319406
F2v_copy 4487
F2v_ei 42
F2v_flip 1554050
F2v_set 101403174
F2v_to_F2x 37755
F2xX_shift 0
F2x_clear 12353689
F2x_coeff 667873403
F2x_copy 60441593
F2x_div 1569827
F2x_equal 4659341
F2x_equal1 2874126
F2x_flip 1554050
F2x_renormalize 115219065
F2x_set 124730608
F2xqX_div 33173
F3m_coeff 3255921
F3m_copy 0
F3m_set 0
Flm_copy 6433617
Flm_row 8741196
Flv_copy 2554921
Flx_constant 333922
Flx_copy 173150859
Flx_div 1997941
Flx_div_pre 21685239
Flx_equal1 8330158
Flx_lead 980303
Flx_mulu 1105412
FlxqX_div 0
FlxqX_div_pre 165410
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694252
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581277
FpX_renormalize 144207885
Fp_add 181060779
Fp_addmul 11246108
Fp_center 77194347
Fp_center_i 18016034
Fp_div 15035267
Fp_divu 15129720
Fp_double 20888125
Fp_halve 247138
Fp_inv 23439138
Fp_invsafe 1100357
Fp_mul 200735852
Fp_muls 17780
Fp_mulu 67481647
Fp_neg 31478964
Fp_red 82191040
Fp_sqr 63781873
Fp_sub 203177418
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 571440
FqX_Fq_mul 427306
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38565
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 444666
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 367700
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 3106165
Fq_to_FpXQ 73792
GENbinbase 961453398
QV_isscalar 54415362
Q_abs 8062625
Q_abs_shallow 120231
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619833
RgC_gtofp 34030267
RgC_gtomp 574
RgM_dimensions 9741538
RgM_fpnorml2 22661
RgM_gtofp 8257757
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22174220
RgV_gtofp 56
RgV_is_QV 140730
RgV_is_ZV 32156428
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210277
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406925
RgX_div 7000740
RgX_equal_var 26883176
RgX_fpnorml2 61495
RgX_gtofp 7144827
RgX_is_QX 399934
RgX_is_ZX 22423576
RgX_is_monomial 1331780
RgX_is_rational 68165
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451067
Rg_to_Fq 756
ZC_hnfrem 10695940
ZM_ZV_mod 596448
ZM_hnfrem 363768
ZM_lll 7116493
ZV_ZV_mod 8131420
ZV_dvd 23485
ZV_isscalar 23233640
ZV_to_zv 3211407
ZXQ_mul 2161322
ZXQ_sqr 960491
ZX_equal1 12850
ZX_is_monic 7374366
ZX_renormalize 154968477
Z_ispower 98
Z_issquare 458664
abgrp_get_cyc 12231185
abgrp_get_gen 1765021
abgrp_get_no 354929
absfrac 46638429
absfrac_shallow 28237
addmuliu 535745
addmuliu_inplace 59647744
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157249
bid_get_U 3680227
bid_get_arch 41187
bid_get_archp 2397108
bid_get_cyc 5739801
bid_get_fact 2498932
bid_get_fact2 2201571
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804652
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157973
bin_copy 495823575
bit_accuracy 3155645265
bit_accuracy_mul 3175472
bit_prec 142806232
bnf_get_clgp 5375411
bnf_get_cyc 3686563
bnf_get_fu 25859
bnf_get_fu_nocheck 289086
bnf_get_gen 1680312
bnf_get_logfu 2874759
bnf_get_nf 9864723
bnf_get_no 8365
bnf_get_reg 648
bnf_get_sunits 1367775
bnf_get_tuN 282996
bnf_get_tuU 303572
bnr_get_bid 2046087
bnr_get_bnf 3751369
bnr_get_clgp 2830224
bnr_get_cyc 2522566
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368097
bnr_get_no 277488
both_odd 123977372
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975455
cgiv 102261301
checkell_i 5593426
closure_arity 371278481
closure_codestr 321405372
closure_get_code 0
closure_get_data 321375457
closure_get_dbg 13621
closure_get_frame 14158625
closure_get_oper 321392533
closure_get_text 37051
closure_is_variadic 44789634
col_ei 5925183
coltrunc_init 740250
const_col 9729643
const_vec 34472326
const_vecsmall 19700839
constant_coeff 1441269
cxcompotor 18210290
cxnorm 91199150
cxtofp 9079302
cxtoreal 337201
cyc_get_expo 2757741
cyclic_perm 99911
dbllog2r 92816910
degpol 5488631661
div_content 58518
divsBIL 8087125235
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997074
ell_get_a2 7106180
ell_get_a3 8814042
ell_get_a4 8536720
ell_get_a6 10370959
ell_get_b2 7371024
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018140
ell_get_c6 13474543
ell_get_disc 16815348
ell_get_j 2126227
ell_get_type 12499483
ell_is_inf 52358314
ellff_get_a4a6 800023
ellff_get_field 2036850
ellinf 1869311
ellnf_get_bnf 126
ellnf_get_nf 2027621
equali1 1174083021
equalim1 139505230
err_get_compo 294
err_get_num 62523
gaddgs 123248599
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 255373925
gc_INT 4106957649
gc_INT_affii 8490619
gc_all 109576582
gc_leaf 1135301704
gc_slice 2204041
gc_upto 1951907082
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 761926
gdivsg 531591
gen_I 1269717
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1928975
get_F2x_mod 2499219
get_F2x_var 2533888
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82230995
get_Flx_mod 25593701
get_Flx_var 68348023
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 6424515
get_FpX_mod 3394358
get_FpX_var 6957847
gisdouble 2991980
gmax_shallow 13510199
gmaxsg 0
gmin_shallow 877691
gminsg 0
gmulgs 22579045
gmulgu 282059385
gsubgs 1724820
gtodouble 60779366
gtofp 254301829
gtomp 22428
gtos 85855590
gtou 99448
guncloneNULL 47931521
guncloneNULL_deep 1435271
gval 6230
hash_str 2756815
hash_str_len 31545554
icopy_avma 8035082774
idealchineseinit 5427
idealred 138665
identity_ZV 8113
identity_perm 3241243
identity_zv 3265592
inf_get_sign 1452911
inv_content 0
is_bigint 562928975
is_const_t 4893063574
is_extscalar_t 6876
is_intreal_t 9585755
is_matvec_t 659416699
is_noncalc_t 85874965
is_pm1 2202928174
is_qfb_t 0
is_rational_t 5032358
is_real_t 62062467
is_recursive_t 9233900140
is_scalar_t 375660753
is_universal_constant 325769908
is_vec_t 43937007
isint1 17585124
isintm1 5710164
isintzero 2842719568
ismpzero 9585650
isonstack 8265126400
killblock 1920356
leading_coeff 170262124
leafcopy_avma 577275042
lg_increase 320636824
lgcols 350603632
lgpol 2684312092
lincombii 38201617
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 754827
matpascal 3983
matslice 16818127
mkcol 10639973
mkcol2 156799343
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33532
mkcols 40411
mkcomplex 91606415
mkerr 0
mkfrac 41640860
mkfraccopy 4999377
mkfracss 1209563
mkintmod 8092624
mkintmodu 1813
mkmat 4751097
mkmat2 33651746
mkmat22 50252636
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122256
mkmoo 108788
mkoo 1331863
mkpadic 2009
mkpolmod 3104033
mkqfb 27927734
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71104424
mkvec2 186084420
mkvec2copy 114506
mkvec2s 220243
mkvec3 117703219
mkvec3s 524441
mkvec4 10092899
mkvec4s 21
mkvec5 15185875
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131614600
mkvecsmall2 234809731
mkvecsmall3 104176411
mkvecsmall4 18663456
mkvecsmall5 1717746
modpr_get_T 13867668
modpr_get_p 1888404
modpr_get_pr 31238300
mul_content 2654273
mul_denom 10711106
mulsubii 3880946
nbits2extraprec 1456926912
nbits2ndec 228
nbits2nlong 12750296
nbits2prec 186127931
nbrows 157440258
nchar2nlong 127385043
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303812
nf_get_M 21306653
nf_get_Tr 22082
nf_get_degree 71365505
nf_get_diff 4445
nf_get_disc 463495
nf_get_index 3711579
nf_get_invzk 9767700
nf_get_pol 98075948
nf_get_r1 23027121
nf_get_r2 4154
nf_get_ramified_primes 64643
nf_get_roots 1627879
nf_get_roundG 1747349
nf_get_sign 519552
nf_get_varn 1503727
nf_get_zk 4382
nf_get_zkden 5463527
nf_get_zkprimpart 5417808
normalize_frac 17204728
odd 2089587382
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 509193012
pari_malloc 745082750
pari_realloc 1890
pari_realloc_ip 2256118
pari_stack_alloc 1019547819
pari_stack_base 1025096071
pari_stack_delete 5581494
pari_stack_init 6050919
pari_stack_new 924861165
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781878
perm_mul 80894258
perm_sqr 728
pol0_F2x 13240129
pol0_Flx 103461645
pol1_F2x 3957026
pol1_Flx 55051564
pol_0 83000968
pol_1 3755743
pol_x 3857518
pol_xn 2249696
pol_xnall 294
polx_F2x 1078161
polx_Flx 37482415
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43119928
pr_get_e 16101907
pr_get_f 26342593
pr_get_gen 12067644
pr_get_p 92476593
pr_get_tau 49564917
pr_is_inert 17146428
pr_norm 1089811
prec2lg 4468176244
prec2nbits 103961707
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475373
qfb_disc 18501208
qfb_disc3 4994803
qfb_is_qfi 62262579
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7996190651
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 14705446
rowslice 79319208
rowslicepermute 184699
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27625258
sqrfrac 4148186
sqrti 6664730
sqrtnr 2809108
sqrtr 80369343
sstoQ 1097215
sturm 385
submulii 32838964
submuliu 7700
submuliu_inplace 60142613
truecoef 0
trunc_safe 0
ulogint 1727620
upr_norm 346135
uutoQ 1600198
vec_append 3465010
vec_ei 1713856
vec_lengthen 18960
vec_prepend 313988
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036595
veclast 9372706
vecmodii 0
vecmoduu 49784
vecpermute 20542511
vecreverse 697235
vecreverse_inplace 2605
vecslice 656171455
vecslicepermute 2689539
vecsmall_append 4098928
vecsmall_coincidence 0
vecsmall_concat 1464237
vecsmall_copy 4403857
vecsmall_ei 584699
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043251
vecsmall_max 1164424
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75544
vecsmall_to_col 7838299
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78698845
vecsmalltrunc_append 100788386
vecsmalltrunc_init 191435220
vecsplice 384921
vectrunc_append 15849382
vectrunc_append_batch 9667
vectrunc_init 11767381
zc_to_ZC 7824120
zero_F2m 0
zero_F2m_copy 845040
zero_F2v 3647670
zero_F2x 1350
zero_Flm 2829341
zero_Flm_copy 238024
zero_Flv 59651551
zero_Flx 1426678
zero_zm 0
zero_zv 36730675
zero_zx 0
zerocol 122323456
zeromat 109080
zeromatcopy 14248309
zeropadic 855447
zeropadic_shallow 17023
zeropol 42358336
zeroser 138908
zerovec 28453418
zerovec_block 29619
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 2183684
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16