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 30540-a74e376001) Lines: 1419 1532 92.6 %
Date: 2025-11-08 09:22:52 Functions: 648 704 92.0 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
F2m_clear 0
F2m_coeff 8038897
F2m_copy 200501
F2m_flip 1554046
F2m_set 798
F2v_clear 12355300
F2v_coeff 661326797
F2v_copy 4487
F2v_ei 42
F2v_flip 1554046
F2v_set 101404000
F2v_to_F2x 37830
F2xX_shift 0
F2x_clear 12355304
F2x_coeff 667925163
F2x_copy 60394565
F2x_div 1570008
F2x_equal 4655358
F2x_equal1 2873861
F2x_flip 1554045
F2x_renormalize 115198509
F2x_set 124754025
F2xqX_div 33173
F3m_coeff 3256654
F3m_copy 0
F3m_set 0
Flm_copy 6433449
Flm_row 8742402
Flv_copy 2555302
Flx_constant 333157
Flx_copy 173790709
Flx_div 1998992
Flx_div_pre 21704757
Flx_equal1 8327071
Flx_lead 980511
Flx_mulu 1105172
FlxqX_div 0
FlxqX_div_pre 165412
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693825
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581016
FpX_renormalize 144583755
Fp_add 181583012
Fp_addmul 11363173
Fp_center 77247600
Fp_center_i 18058714
Fp_div 15035948
Fp_divu 15135733
Fp_double 22314189
Fp_halve 247348
Fp_inv 23437366
Fp_invsafe 1100348
Fp_mul 201081632
Fp_muls 17780
Fp_mulu 67709906
Fp_neg 31488757
Fp_red 82090786
Fp_sqr 64604244
Fp_sub 203474885
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 572111
FqX_Fq_mul 427290
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38548
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445052
FqX_factor 141051
FqX_factor_squarefree 7
FqX_gcd 8246
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367814
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4123
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 3106371
Fq_to_FpXQ 73792
GENbinbase 964234028
QV_isscalar 54401394
Q_abs 8062709
Q_abs_shallow 120244
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622074
RgC_gtofp 34009801
RgC_gtomp 574
RgM_dimensions 9742262
RgM_fpnorml2 22781
RgM_gtofp 8252081
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169769
RgV_gtofp 56
RgV_is_QV 140764
RgV_is_ZV 32164057
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1210301
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669371
RgX_copy 103404804
RgX_div 7000740
RgX_equal_var 26880627
RgX_fpnorml2 61606
RgX_gtofp 7147629
RgX_is_QX 400132
RgX_is_ZX 22421824
RgX_is_monomial 1331282
RgX_is_rational 68306
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451321
Rg_to_Fq 756
ZC_hnfrem 10690826
ZM_ZV_mod 596607
ZM_hnfrem 363862
ZM_lll 7112315
ZV_ZV_mod 8131278
ZV_dvd 23485
ZV_isscalar 23097872
ZV_to_zv 3211413
ZXQ_mul 2162055
ZXQ_sqr 961089
ZX_equal1 12711
ZX_is_monic 7376005
ZX_renormalize 155003411
Z_ispower 98
Z_issquare 458924
abgrp_get_cyc 12230251
abgrp_get_gen 1765027
abgrp_get_no 355191
absfrac 46637936
absfrac_shallow 28237
addmuliu 541110
addmuliu_inplace 59766679
affc_fixlg 249594
affgr 898824
bid_get_MOD 2157275
bid_get_U 3680247
bid_get_arch 41188
bid_get_archp 2397138
bid_get_cyc 5739592
bid_get_fact 2498940
bid_get_fact2 2201593
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804446
bid_get_ideal 72842
bid_get_mod 1521920
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157993
bin_copy 497265418
bit_accuracy 3162796305
bit_accuracy_mul 3175454
bit_prec 142661592
bnf_get_clgp 5374928
bnf_get_cyc 3686071
bnf_get_fu 25859
bnf_get_fu_nocheck 289081
bnf_get_gen 1680314
bnf_get_logfu 2874733
bnf_get_nf 9863725
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367777
bnf_get_tuN 283002
bnf_get_tuU 303581
bnr_get_bid 2045878
bnr_get_bnf 3750914
bnr_get_clgp 2830020
bnr_get_cyc 2522340
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368113
bnr_get_no 277499
both_odd 124109114
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975430
cgiv 102118498
checkell_i 5593291
closure_arity 371343556
closure_codestr 321473683
closure_get_code 0
closure_get_data 321425850
closure_get_dbg 13621
closure_get_frame 14168629
closure_get_oper 321449421
closure_get_text 37051
closure_is_variadic 40167140
col_ei 5925780
coltrunc_init 740250
const_col 9729859
const_vec 34478258
const_vecsmall 19705630
constant_coeff 1441486
cxcompotor 18215552
cxnorm 90937086
cxtofp 9081924
cxtoreal 337177
cyc_get_expo 2757776
cyclic_perm 99911
dbllog2r 92816807
degpol 5500897177
div_content 58476
divsBIL 8095761727
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997052
ell_get_a2 7106158
ell_get_a3 8814020
ell_get_a4 8536699
ell_get_a6 10370937
ell_get_b2 7371024
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018115
ell_get_c6 13474551
ell_get_disc 16815192
ell_get_j 2126227
ell_get_type 12499411
ell_is_inf 52477754
ellff_get_a4a6 800026
ellff_get_field 2036863
ellinf 1869801
ellnf_get_bnf 126
ellnf_get_nf 2027596
equali1 1175148563
equalim1 139504392
err_get_compo 294
err_get_num 62529
gaddgs 123245755
gal_get_den 27873
gal_get_e 91
gal_get_gen 15449
gal_get_group 80393
gal_get_invvdm 27881
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36337
gal_get_roots 32753
gc_GEN 256160446
gc_INT 4104152668
gc_INT_affii 8488278
gc_all 109992510
gc_leaf 1131818364
gc_slice 2204758
gc_upto 1948996272
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 243932
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 761921
gdivsg 531142
gen_I 1269845
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929043
get_F2x_mod 2499127
get_F2x_var 2534158
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82212250
get_Flx_mod 25599823
get_Flx_var 68358109
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 6424556
get_FpX_mod 3394336
get_FpX_var 6958050
gisdouble 2987249
gmax_shallow 13510218
gmaxsg 0
gmin_shallow 878269
gminsg 0
gmulgs 22458285
gmulgu 282058132
gsubgs 1724191
gtodouble 60761074
gtofp 254228837
gtomp 22428
gtos 85853533
gtou 98313
guncloneNULL 48226864
guncloneNULL_deep 1444639
gval 5824
hash_str 2756815
hash_str_len 31549521
icopy_avma 8035556998
idealchineseinit 5427
idealred 138522
identity_ZV 8113
identity_perm 3242492
identity_zv 3266842
inf_get_sign 1453144
inv_content 0
is_bigint 562542677
is_const_t 4887984588
is_extscalar_t 6876
is_intreal_t 9583747
is_matvec_t 659415947
is_noncalc_t 85861385
is_pm1 2202404488
is_qfb_t 0
is_rational_t 5035180
is_real_t 62063090
is_recursive_t 9238651298
is_scalar_t 375643770
is_universal_constant 325816247
is_vec_t 43936387
isint1 17571909
isintm1 5704250
isintzero 2837413223
ismpzero 9583635
isonstack 8254853301
killblock 1929955
leading_coeff 170558320
leafcopy_avma 576935868
lg_increase 311095528
lgcols 350230112
lgpol 2683324136
lincombii 38184555
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 755029
matpascal 3885
matslice 16816831
mkcol 10640985
mkcol2 156854642
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33504
mkcols 40411
mkcomplex 91626549
mkerr 0
mkfrac 41635421
mkfraccopy 4999062
mkfracss 1209563
mkintmod 8092500
mkintmodu 1813
mkmat 4750905
mkmat2 33658533
mkmat22 50274537
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122238
mkmoo 108850
mkoo 1332038
mkpadic 2009
mkpolmod 3105021
mkqfb 27919741
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71146095
mkvec2 183930030
mkvec2copy 114569
mkvec2s 220415
mkvec3 117687612
mkvec3s 524441
mkvec4 10105939
mkvec4s 21
mkvec5 15184840
mkveccopy 122521
mkvecs 168
mkvecsmall 131668075
mkvecsmall2 233605627
mkvecsmall3 104038585
mkvecsmall4 17836723
mkvecsmall5 1731107
modpr_get_T 13867538
modpr_get_p 1888432
modpr_get_pr 31237937
mul_content 2654119
mul_denom 10709916
mulsubii 3880547
nbits2extraprec 1456118886
nbits2ndec 228
nbits2nlong 12649867
nbits2prec 186100593
nbrows 157462746
nchar2nlong 127402762
ndec2nbits 8270
ndec2nlong 41507
ndec2prec 33237
nfV_to_scalar_or_alg 26299
nf_get_G 303565
nf_get_M 21171704
nf_get_Tr 22080
nf_get_degree 71350637
nf_get_diff 4438
nf_get_disc 463863
nf_get_index 3711269
nf_get_invzk 9765325
nf_get_pol 98056297
nf_get_r1 22892225
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627826
nf_get_roundG 1746588
nf_get_sign 519553
nf_get_varn 1503577
nf_get_zk 4382
nf_get_zkden 5462148
nf_get_zkprimpart 5416316
normalize_frac 17204496
odd 2084750736
pari_calloc 47671
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2841
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 15398
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510676924
pari_malloc 746563616
pari_realloc 1890
pari_realloc_ip 2267387
pari_stack_alloc 1019657411
pari_stack_base 1025261200
pari_stack_delete 5623137
pari_stack_init 6082095
pari_stack_new 924980691
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782821
perm_mul 80925319
perm_sqr 728
pol0_F2x 13241647
pol0_Flx 103505802
pol1_F2x 3957825
pol1_Flx 55055524
pol_0 82998354
pol_1 3756367
pol_x 3856803
pol_xn 2249955
pol_xnall 294
polx_F2x 1078341
polx_Flx 37824540
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178324
pr_get_e 15952405
pr_get_f 26040644
pr_get_gen 12062084
pr_get_p 91708258
pr_get_tau 48871621
pr_is_inert 16910195
pr_norm 1088527
prec2lg 4465826989
prec2nbits 103928118
prec2nbits_mul 581137
prec2ndec 9778
precdbl 475511
qfb_disc 18514503
qfb_disc3 4990829
qfb_is_qfi 62945165
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8004684836
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 350
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 2845157
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764005
row_i 987
rowcopy 204988
rowpermute 14709124
rowslice 79330286
rowslicepermute 184798
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27640165
sqrfrac 4147746
sqrti 6665590
sqrtnr 2807498
sqrtr 80361040
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60257708
truecoef 0
trunc_safe 0
ulogint 1717103
upr_norm 346133
uutoQ 1600142
vec_append 3465568
vec_ei 1714625
vec_lengthen 18946
vec_prepend 313999
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036835
veclast 9372665
vecmodii 0
vecmoduu 49784
vecpermute 20529647
vecreverse 697235
vecreverse_inplace 2605
vecslice 656014293
vecslicepermute 2689656
vecsmall_append 4111375
vecsmall_coincidence 0
vecsmall_concat 1464425
vecsmall_copy 4404239
vecsmall_ei 584716
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043238
vecsmall_max 1164606
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74579
vecsmall_to_col 7837743
vecsmall_to_vec 511585
vecsmall_to_vec_inplace 3304
vecsmallpermute 78729743
vecsmalltrunc_append 101481120
vecsmalltrunc_init 187944402
vecsplice 384905
vectrunc_append 16160370
vectrunc_append_batch 12306
vectrunc_init 12065336
zc_to_ZC 7823563
zero_F2m 0
zero_F2m_copy 845094
zero_F2v 3648068
zero_F2x 1350
zero_Flm 2830107
zero_Flm_copy 235918
zero_Flv 59496513
zero_Flx 1426890
zero_zm 0
zero_zv 36736556
zero_zx 0
zerocol 122282809
zeromat 109113
zeromatcopy 14239911
zeropadic 855372
zeropadic_shallow 17024
zeropol 42358630
zeroser 138824
zerovec 28455394
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38653757
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7978902
znstar_get_conreygen 3289889
znstar_get_cyc 262088
znstar_get_faN 7330731
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2868790
zv_copy 2184040
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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