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 30734-f1f26dedcb) Lines: 1421 1535 92.6 %
Date: 2026-03-07 09:24:37 Functions: 650 707 91.9 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
F2m_clear 0
F2xX_shift 0
F3m_copy 0
F3m_set 0
FlxqX_div 0
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQ_add 0
FpXQ_sub 0
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_divrem 0
FqX_halfgcd 0
FqX_integ 0
FqXn_exp 0
FqXn_sqr 0
R_abs 0
RgX_isscalar 0
bid_get_gen_nocheck 0
bid_get_no 0
cbrtr 0
cbrtr_abs 0
gchar_get_U 0
gchar_get_hnf 0
gmaxsg 0
gminsg 0
inv_content 0
is_qfb_t 0
mkcol4s 0
mkerr 0
mkmat5 0
mkvec5s 0
mkvec6 0
pari_err_FILE 0
pari_err_MAXPRIME 0
pari_err_PACKAGE 0
polx_zx 0
random_Fq 0
truecoef 0
trunc_safe 0
vec_setconst 0
vecmodii 0
vecsmall_coincidence 0
zero_F2m 0
zero_zm 0
zero_zx 0
zm_copy 0
zm_row 0
zm_to_zxV 0
zx_shift 0
zx_to_zv 0
FqX_ddf 7
FqX_factor_squarefree 7
mkrfraccopy 14
znstar_get_no 14
RgM_gtomp 21
mkvec4s 21
pari_err_BUG 21
pari_err_CONSTPOL 21
vecsmall_indexmax 21
vecsmall_indexmin 21
closure_get_code 28
pari_err_FILEDESC 36
F2v_ei 42
RgV_gtofp 56
pari_err_IRREDPOL 63
pari_err_ROOTS0 63
bnr_get_gen_nocheck 70
mkmat4 84
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
pari_err_COPRIME 91
mkcol5 94
Z_ispower 98
pari_err_FLAG 98
pari_err_PRIME 98
rnf_get_index 105
ellnf_get_bnf 119
RgX_to_RgV 140
pari_err_OVERFLOW 156
mkvecs 168
FqX_to_mod 175
pari_err_COMPONENT 214
nbits2ndec 228
pari_err_PREC 238
pari_err_PRIORITY 245
zm_transpose 266
rowsplice 273
err_get_compo 294
pol_xnall 294
mkvec6s 301
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 357
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
pari_err_IMPL 539
vecsmall_lengthen 547
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 630
gchar_set_nalg 630
gchar_set_nfree 630
gchar_set_ntors 630
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 945
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
zero_F2x 1181
gchar_copy_precs 1225
gchar_set_prec 1225
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1288
locs_get_famod 1288
FqX_powu 1295
pari_err_MODULUS 1316
rnf_get_idealdisc 1386
rnf_get_alpha 1428
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_get_sfu 1743
gchar_set_evalprec 1813
mkintmodu 1834
gchar_get_nm 1869
pari_realloc 1873
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecsmall_min 2352
vecreverse_inplace 2605
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2869
gchar_set_nfprec 2968
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3983
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4144
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4445
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5800
FqX_get_red 6090
gal_get_p 6118
gval 6230
FqXn_expint 6590
gal_get_orders 6706
is_extscalar_t 6736
pari_err_SQRTN 7084
FqXn_inv 7126
rnf_get_nfzk 7245
FqX_roots 7273
submuliu 7700
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8120
gchar_get_mod 8225
locs_get_mod 8225
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8372
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10115
ZX_equal1 10488
gchar_get_Ui 10983
vec_shorten 11557
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13660
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15491
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17087
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18960
FqX_halve 19411
pari_err_INV 20025
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
gtomp 22428
RgM_fpnorml2 22655
FqXQ_mul 22766
nf_get_Tr 23281
ZV_dvd 23485
gal_get_mod 23870
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25858
nfV_to_scalar_or_alg 26299
gal_get_den 27867
gal_get_invvdm 27874
absfrac_shallow 28237
gequalgs 29176
zerovec_block 29654
gener_Fq_local 29946
gchar_get_basis 32816
gal_get_roots 32844
F2xqX_div 33173
ndec2prec 33314
mkcolcopy 33586
Qtoss 35364
gal_get_pol 36428
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37150
gchar_get_nc 37261
F2v_to_F2x 37678
FqX_rem 37743
FqX_div 38565
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41584
znstar_get_Ui 46788
pari_calloc 47609
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58511
RgX_fpnorml2 61606
err_get_num 62596
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68156
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69699
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73652
vecsmall_shorten 75755
bnr_get_mod 77119
gal_get_group 80414
mkcol3 88314
cyclic_perm 99911
gtou 100686
mkcol4 103467
zv_to_zx 104146
mkmoo 108904
zeromat 108987
RgV_isin 110158
RgV_isin_i 110158
mkvec2copy 114534
Q_abs_shallow 120236
mkmatcopy 122325
mkveccopy 122528
RgXQX_rem 127635
FqX_add 127694
get_FpXQX_mod 131148
rnf_get_map 135659
idealred 138819
zeroser 138992
FqX_factor 140960
RgV_is_QV 142001
FlxqX_div_pre 165417
znstar_get_U 176107
vecsmall_prepend 186977
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200417
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220378
mkcol6 232470
ellR_get_prec 232750
rowslicepermute 233704
zero_Flm_copy 238316
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249624
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264435
bnr_get_no 277489
gchar_get_zm 281911
bnf_get_tuN 283001
bnf_get_fu_nocheck 289088
bnf_get_tuU 303582
nf_get_G 304802
vec_prepend 313921
get_FlxqX_degree 317580
rnf_get_polabs 327628
Flx_constant 334149
cxtoreal 337207
upr_norm 346136
RgX_renormalize 347987
FqX_mul 367934
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 385001
RgX_is_QX 399942
ZM_hnfrem 401436
abgrp_get_no 406720
perm_conj 418299
FqX_Fq_mul 427302
FqX_extgcd 445025
nf_get_disc 463520
precdbl 475642
RgX_shift_inplace 479436
RgX_shift_inplace_init 479436
Z_issquare 509441
nf_get_sign 519601
mkvec3s 524441
gdivsg 531592
addmuliu 541689
zv_to_ZV 568222
FqX_Fp_mul 572186
vecsmall_to_vec 577021
prec2nbits_mul 581083
vecsmall_ei 584742
ZM_ZV_mod 610658
RgC_fpnorml2 619950
FqX_is_squarefree 683802
vecreverse 697305
mkrfrac 698439
coltrunc_init 740257
logint 754877
gcmpgs 761924
row 763894
rnf_get_nf 786086
ellff_get_a4a6 799983
FpXX_renormalize 818704
zero_F2m_copy 845037
zeropadic 857126
gmin_shallow 877893
affgr 899594
ZXQ_sqr 960622
cgetc 975460
Flx_lead 979329
polx_F2x 1073456
pr_norm 1090545
Fp_invsafe 1097103
sstoQ 1097313
Flx_mulu 1104837
vecsmall_max 1164154
ellinf 1208500
mkfracss 1209563
RgV_isscalar 1210272
gen_I 1268262
RgX_is_monomial 1318140
mkoo 1332000
bnf_get_sunits 1367775
rnf_get_absdegree 1392746
bnr_get_nf 1399081
zero_Flx 1427243
constant_coeff 1438308
Rg_col_ei 1451057
inf_get_sign 1453147
vecsmall_concat 1464627
nf_get_varn 1503777
guncloneNULL_deep 1509300
bid_get_mod 1521922
F2m_flip 1553607
F2v_flip 1553607
F2x_flip 1553607
F2x_div 1557788
uutoQ 1602144
nf_get_roots 1628842
bnf_get_gen 1680308
vec_ei 1714380
mkvecsmall5 1717609
gsubgs 1730195
nf_get_roundG 1748493
abgrp_get_gen 1765019
modpr_get_p 1887627
get_F2x_degree 1928206
killblock 1959492
ulogint 1983713
Flx_div 1999858
ellnf_get_nf 2027255
ellff_get_field 2036668
bnr_get_bid 2046099
ell_get_j 2126269
bid_get_MOD 2157259
bid_get_sprk 2157981
ZXQ_mul 2166308
zv_copy 2182836
bid_get_fact2 2201577
gc_slice 2206190
pol_xn 2249704
pari_realloc_ip 2351924
bid_get_archp 2397131
get_F2x_mod 2489636
bid_get_fact 2498953
rnf_get_degree 2506335
bnr_get_cyc 2522586
get_F2x_var 2534482
ell_get_b4 2550216
Flv_copy 2554102
mul_content 2657548
RgX_coeff 2667901
hash_str 2741944
cyc_get_expo 2757554
sqrtnr 2810331
bnr_get_clgp 2830266
zero_Flm 2830901
rnf_get_pol 2845192
vecslicepermute 2855637
znstar_get_pe 2869063
F2x_equal1 2873647
bnf_get_logfu 2874754
gisdouble 2995994
mkpolmod 3075538
Fq_red 3106744
bit_accuracy_mul 3175715
ZV_to_zv 3211716
identity_perm 3242816
F3m_coeff 3255554
identity_zv 3267168
znstar_get_conreygen 3290526
ell_get_b8 3297414
get_FpX_mod 3387427
vec_append 3468974
zero_F2v 3647645
bid_get_U 3680234
bnf_get_cyc 3686599
bnr_get_bnf 3710951
nf_get_index 3712049
perm_inv 3747328
pol_1 3750331
pol_x 3857616
ell_get_b6 3863115
mulsubii 3893588
pol1_F2x 3950393
vec_to_vecsmall 4039433
vecsmall_append 4114703
sqrfrac 4148098
mkcol2s 4416244
F2x_equal 4612924
FpXQX_renormalize 4664305
mkmat 4779951
qfb_disc3 4995144
mkfraccopy 4999676
is_rational_t 5015355
vecsmall_copy 5369234
bnf_get_clgp 5375450
nf_get_zkprimpart 5416286
nf_get_zkden 5462079
FpX_div 5582028
checkell_i 5593264
isintm1 5711254
bid_get_cyc 5739840
bid_get_grp 5804689
pari_stack_delete 5897115
col_ei 5925302
pari_stack_init 6358780
Flm_copy 6434592
sqrti 6611323
get_FpX_var 6922640
get_FpX_degree 6942440
RgX_div 6996190
vecsmall_lexcmp 7043245
ell_get_a2 7106208
ZM_lll 7117795
RgX_gtofp 7151330
ZX_is_monic 7319777
znstar_get_faN 7334819
ell_get_b2 7370958
zc_to_ZC 7907741
vecsmall_to_col 7922287
znstar_get_conreycyc 7982108
Q_abs 8059579
mkintmod 8061450
ZV_ZV_mod 8147162
F2m_coeff 8154038
Flx_equal1 8183248
RgM_gtofp 8257811
ell_get_a4 8536749
Flm_row 8743859
ell_get_a3 8814004
ell_get_a1 8997036
cxtofp 9080479
veclast 9372657
ismpzero 9585338
is_intreal_t 9585430
const_col 9730057
nf_get_invzk 9774926
bnf_get_nf 9866309
RgM_dimensions 9953875
ser_isexactzero 10120354
mkvec4 10146550
ell_get_a6 10370987
mkcol 10652856
ZC_hnfrem 10697503
mul_denom 10709654
ell_get_c4 11018075
Fp_addmul 11259835
gc_INT_affii 11567767
vectrunc_init 11767742
pr_get_gen 12072784
abgrp_get_cyc 12231259
F2v_clear 12352347
F2x_clear 12352348
ell_get_type 12498994
nbits2nlong 12718902
zeropol 12864346
pol0_F2x 13188865
ell_get_c6 13474609
gmax_shallow 13510226
modpr_get_T 13867156
zeromatcopy 14377447
closure_get_frame 14720577
rowpermute 14758107
Fp_div 15034331
Fp_divu 15125183
mkvec5 15186614
vectrunc_append 15857813
pr_get_e 16167372
ell_get_disc 16815454
matslice 16825583
normalize_frac 17206117
pr_is_inert 17224383
isint1 17586831
Fp_center_i 18055693
cxcompotor 18212775
qfb_disc 18502568
mkvecsmall4 18695780
const_vecsmall 18747448
Fp_double 20898809
vecpermute 21096811
Flx_div_pre 21699727
nf_get_M 21745735
RgM_shallowcopy 22234618
RgX_is_ZX 22311321
Fp_inv 23435779
nf_get_r1 23466152
ZV_isscalar 23675275
gmulgs 23830652
get_Flx_mod 25484561
pol_0 25875579
pr_get_f 26444476
RgX_equal_var 26879905
shallowcopy 27896229
mkqfb 27928411
zerovec 29344390
modpr_get_pr 31236679
Fp_neg 31473543
hash_str_len 31636953
submulii 31985153
RgV_is_ZV 32095286
mkmat2 33665793
RgC_gtofp 34034196
const_vec 34655097
zero_zv 37292444
polx_Flx 37502921
lincombii 38275526
znstar_get_N 38658713
mkfrac 41639760
powii 43130062
is_vec_t 43917456
closure_is_variadic 45911320
absfrac 46515947
ell_is_inf 49440979
pr_get_tau 49773658
guncloneNULL 49814474
mkmat22 50261056
QV_isscalar 54419318
pol1_Flx 54889800
F2x_copy 59100358
addmuliu_inplace 59563921
zero_Flv 59727821
submuliu_inplace 60078686
gtodouble 60942341
is_real_t 61897671
Fp_sqr 64078732
qfb_is_qfi 64509121
get_Flx_var 68377593
mkvec 69659330
nf_get_degree 71377406
Fp_mulu 71396612
Fp_center 77417078
vecsmallpermute 78758756
rowslice 79455550
sqrtr 80382030
perm_mul 80954967
Fp_red 82930634
get_Flx_degree 83559213
gtos 85855688
is_noncalc_t 88450050
cxnorm 91203399
mkcomplex 91619451
pr_get_p 92761186
dbllog2r 92842783
nf_get_pol 98122411
vecsmalltrunc_append 100943680
F2v_set 101428358
gc_all 102366581
RgX_copy 102479106
pol0_Flx 103124848
mkvecsmall3 103271040
prec2nbits 103975880
cgiv 105460635
vecsmall_prefixcmp 108088071
F2x_renormalize 111709945
F2x_set 123163866
gaddgs 123254019
mkvec3 123788541
both_odd 124053495
zerocol 125144538
nchar2nlong 127793859
mkvecsmall 131325926
equalim1 139505730
bit_prec 143294406
FpX_renormalize 145347332
ZX_renormalize 154947060
mkcol2 156992311
nbrows 158270928
leading_coeff 171283705
Flx_copy 173171833
Fp_add 180985278
nbits2prec 186164132
Fp_mul 200841009
Fp_sub 202750358
mkvec2 212431089
mkvecsmall2 235067224
vecsmalltrunc_init 243571594
gc_GEN 245524068
gtofp 254457075
gmulgu 283104681
closure_get_data 305767381
closure_get_oper 305789722
closure_codestr 305802682
is_universal_constant 326510351
lgcols 352690150
closure_arity 356221212
is_scalar_t 403326256
lg_increase 444933403
bin_copy 471240713
pari_free 485601982
is_bigint 571791958
leafcopy_avma 590574979
vecslice 657358895
F2v_coeff 661423745
F2x_coeff 668097027
pari_malloc 721663080
is_matvec_t 741109150
pari_stack_new 910637697
GENbinbase 915709056
pari_stack_alloc 1005926168
pari_stack_base 1011801292
gc_leaf 1134965065
equali1 1166186560
nbits2extraprec 1458692917
gc_upto 1944674324
odd 2120519142
is_pm1 2216345203
lgpol 2609244549
isintzero 2839586011
bit_accuracy 3124609033
gc_INT 4133200936
prec2lg 4471973669
is_const_t 4982944888
degpol 5507453843
remsBIL 8015500147
icopy_avma 8044835800
divsBIL 8106829454
isonstack 8302683380
is_recursive_t 9068251469

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