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 30590-f14e077362) Lines: 1420 1535 92.5 %
Date: 2026-01-02 09:20:44 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
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
closure_get_code 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
pari_err_BUG 14
znstar_get_no 14
RgM_gtomp 21
mkvec4s 21
pari_err_CONSTPOL 21
vecsmall_indexmax 21
vecsmall_indexmin 21
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
pari_err_COPRIME 84
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 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 238
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
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
zero_F2x 1350
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 1813
gchar_get_nm 1869
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecsmall_min 2345
vecreverse_inplace 2605
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2862
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 5851
gal_get_p 6006
FqX_get_red 6090
gval 6230
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
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 8113
gchar_get_mod 8225
locs_get_mod 8225
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8365
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15435
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18960
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22083
gtomp 22428
RgM_fpnorml2 22662
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23758
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
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
gal_get_roots 32732
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33538
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37907
FqX_div 38567
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47713
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58517
RgX_fpnorml2 61496
err_get_num 62521
bid_get_gen 64274
nf_get_ramified_primes 64643
RgX_is_rational 68165
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 75639
bnr_get_mod 77119
gal_get_group 80387
mkcol3 88314
gtou 99527
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108781
zeromat 109123
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114508
Q_abs_shallow 120245
mkmatcopy 122242
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138459
zeroser 138908
RgV_is_QV 140723
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165412
znstar_get_U 176107
rowslicepermute 184690
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200476
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220243
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238201
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249620
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277491
gchar_get_zm 281911
bnf_get_tuN 282992
bnf_get_fu_nocheck 289081
bnf_get_tuU 303568
nf_get_G 303812
vec_prepend 313998
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333974
cxtoreal 337203
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 354944
ZM_hnfrem 363772
FqX_mul 367705
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384911
RgX_is_QX 399938
perm_conj 418299
FqX_Fq_mul 427300
FqX_extgcd 444660
Z_issquare 458705
nf_get_disc 463485
precdbl 475370
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519541
mkvec3s 524441
gdivsg 531592
addmuliu 535761
FqX_Fp_mul 571440
prec2nbits_mul 581164
vecsmall_ei 584702
ZM_ZV_mod 596468
RgC_fpnorml2 619834
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754825
gcmpgs 761915
row 763883
rnf_get_nf 786086
ellff_get_a4a6 800037
zero_F2m_copy 845062
FpXX_renormalize 849917
zeropadic 855638
gmin_shallow 877700
affgr 898866
ZXQ_sqr 960341
cgetc 975456
Flx_lead 979249
polx_F2x 1078888
pr_norm 1089328
sstoQ 1097215
Fp_invsafe 1100358
Flx_mulu 1105232
vecsmall_max 1164122
mkfracss 1209563
RgV_isscalar 1210277
gen_I 1269712
RgX_is_monomial 1331366
mkoo 1331868
bnf_get_sunits 1367774
bnr_get_nf 1368105
rnf_get_absdegree 1392746
zero_Flx 1426697
guncloneNULL_deep 1437008
constant_coeff 1441142
Rg_col_ei 1451000
inf_get_sign 1452904
vecsmall_concat 1464271
nf_get_varn 1503546
bid_get_mod 1521922
F2m_flip 1554381
F2v_flip 1554381
F2x_flip 1554381
F2x_div 1571574
uutoQ 1600198
nf_get_roots 1627850
bnf_get_gen 1680317
vec_ei 1713836
mkvecsmall5 1717481
ulogint 1718289
gsubgs 1724806
nf_get_roundG 1747140
abgrp_get_gen 1765032
ellinf 1869803
modpr_get_p 1888403
killblock 1920981
get_F2x_degree 1929034
Flx_div 1997952
ellnf_get_nf 2027233
ellff_get_field 2036868
bnr_get_bid 2046095
ell_get_j 2126269
bid_get_MOD 2157264
bid_get_sprk 2157994
ZXQ_mul 2161161
zv_copy 2183835
bid_get_fact2 2201582
gc_slice 2204153
pol_xn 2249279
pari_realloc_ip 2254340
bid_get_archp 2397109
bid_get_fact 2498917
get_F2x_mod 2499252
rnf_get_degree 2506335
bnr_get_cyc 2522565
get_F2x_var 2533968
ell_get_b4 2550216
Flv_copy 2555078
mul_content 2654098
RgX_coeff 2669861
vecslicepermute 2689137
hash_str 2756812
cyc_get_expo 2757559
perm_inv 2781855
sqrtnr 2809005
zero_Flm 2829182
bnr_get_clgp 2830234
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874186
bnf_get_logfu 2874761
gisdouble 2991369
mkpolmod 3103725
Fq_red 3106236
bit_accuracy_mul 3175472
ZV_to_zv 3211408
identity_perm 3241067
F3m_coeff 3255865
identity_zv 3265417
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394364
vec_append 3465049
zero_F2v 3647752
bid_get_U 3680241
bnf_get_cyc 3686154
nf_get_index 3711335
bnr_get_bnf 3751376
pol_1 3755659
pol_x 3856918
ell_get_b6 3863115
mulsubii 3881365
pol1_F2x 3957353
vec_to_vecsmall 4036613
vecsmall_append 4099629
sqrfrac 4148164
vecsmall_copy 4403864
mkcol2s 4416244
F2x_equal 4666220
FpXQX_renormalize 4694027
mkmat 4750819
qfb_disc3 4994516
mkfraccopy 4999433
is_rational_t 5032290
bnf_get_clgp 5375007
nf_get_zkprimpart 5417376
nf_get_zkden 5463192
FpX_div 5581009
pari_stack_delete 5586850
checkell_i 5593201
isintm1 5710129
bid_get_cyc 5739793
bid_get_grp 5804649
col_ei 5924548
pari_stack_init 6050525
get_FpX_degree 6424322
Flm_copy 6433430
sqrti 6664630
get_FpX_var 6957651
RgX_div 7000641
vecsmall_lexcmp 7043255
ell_get_a2 7106183
ZM_lll 7116133
RgX_gtofp 7144660
znstar_get_faN 7331711
ell_get_b2 7371037
ZX_is_monic 7374299
zc_to_ZC 7823999
vecsmall_to_col 7838181
znstar_get_conreycyc 7979693
F2m_coeff 8039001
Q_abs 8062599
mkintmod 8092796
ZV_ZV_mod 8131408
RgM_gtofp 8257356
Flx_equal1 8330079
gc_INT_affii 8488319
ell_get_a4 8536724
Flm_row 8741301
ell_get_a3 8814058
ell_get_a1 8997090
cxtofp 9079626
veclast 9372696
ismpzero 9585738
is_intreal_t 9585840
const_col 9729616
RgM_dimensions 9741260
nf_get_invzk 9767300
bnf_get_nf 9863890
mkvec4 10093588
ser_isexactzero 10120284
ell_get_a6 10370962
mkcol 10639929
ZC_hnfrem 10695912
mul_denom 10710948
ell_get_c4 11017916
Fp_addmul 11298232
vectrunc_init 11768467
pr_get_gen 12066868
abgrp_get_cyc 12230761
F2v_clear 12354197
F2x_clear 12354202
ell_get_type 12498489
nbits2nlong 12749302
pol0_F2x 13247606
ell_get_c6 13474332
gmax_shallow 13510197
modpr_get_T 13867503
closure_get_frame 14157563
zeromatcopy 14247817
rowpermute 14704754
Fp_div 15034508
Fp_divu 15129002
mkvec5 15185586
vectrunc_append 15849653
pr_get_e 16101606
ell_get_disc 16815058
matslice 16817750
pr_is_inert 17145666
normalize_frac 17204798
isint1 17584673
Fp_center_i 17984863
cxcompotor 18210932
qfb_disc 18502542
mkvecsmall4 18663010
const_vecsmall 19699653
vecpermute 20541069
Fp_double 21006067
nf_get_M 21306498
Flx_div_pre 21686121
RgM_shallowcopy 22173047
RgX_is_ZX 22423095
gmulgs 22532855
nf_get_r1 23026943
ZV_isscalar 23233315
Fp_inv 23438224
get_Flx_mod 25590500
pr_get_f 26341281
RgX_equal_var 26883014
shallowcopy 27626100
mkqfb 27927156
zerovec 28453500
modpr_get_pr 31237735
Fp_neg 31478739
hash_str_len 31544511
RgV_is_ZV 32158324
submulii 32838828
mkmat2 33652350
RgC_gtofp 34028045
const_vec 34469048
zero_zv 36732123
polx_Flx 37482903
lincombii 38201807
znstar_get_N 38655073
mkfrac 41636729
zeropol 42353903
powii 43126915
is_vec_t 43944256
closure_is_variadic 44788785
absfrac 46638472
guncloneNULL 47932404
pr_get_tau 49563830
mkmat22 50250053
ell_is_inf 52376495
QV_isscalar 54414064
pol1_Flx 55044653
zero_Flv 59654766
addmuliu_inplace 59706861
submuliu_inplace 60195060
F2x_copy 60465706
gtodouble 60777503
is_real_t 62062467
qfb_is_qfi 62327432
Fp_sqr 64164520
get_Flx_var 68339708
Fp_mulu 68942818
mkvec 71083817
nf_get_degree 71362299
Fp_center 77156064
vecsmallpermute 78697757
rowslice 79315870
sqrtr 80367486
perm_mul 80893106
Fp_red 82190931
get_Flx_degree 82903591
pol_0 82996524
gtos 85855697
is_noncalc_t 85874476
cxnorm 91200514
mkcomplex 91612051
pr_get_p 92474516
dbllog2r 92816775
nf_get_pol 98071930
vecsmalltrunc_append 100807369
F2v_set 101403900
cgiv 102256766
RgX_copy 103406541
pol0_Flx 103468930
prec2nbits 103961667
mkvecsmall3 104175430
vecsmall_prefixcmp 108088071
gc_all 109628050
F2x_renormalize 115242588
mkvec3 119742444
zerocol 122316244
gaddgs 123248578
both_odd 123763130
F2x_set 124751070
nchar2nlong 127380961
mkvecsmall 131622210
equalim1 139505274
bit_prec 142792028
FpX_renormalize 144201138
ZX_renormalize 154964038
mkcol2 156787843
nbrows 157431020
leading_coeff 170259948
Flx_copy 173159313
Fp_add 181251325
mkvec2 185039726
nbits2prec 186108950
vecsmalltrunc_init 189275950
Fp_mul 200814132
Fp_sub 203506563
mkvecsmall2 234825898
gtofp 254302371
gc_GEN 255329507
gmulgu 282059385
lg_increase 316405841
closure_get_data 321384667
closure_get_oper 321409860
closure_codestr 321430649
is_universal_constant 325737076
lgcols 350596269
closure_arity 371283324
is_scalar_t 375660064
bin_copy 495981678
pari_free 509347622
is_bigint 562903256
leafcopy_avma 576635803
vecslice 656188586
is_matvec_t 659390648
F2v_coeff 661322587
F2x_coeff 667895730
pari_malloc 745238744
pari_stack_new 924862187
GENbinbase 961752752
pari_stack_alloc 1019548915
pari_stack_base 1025109394
gc_leaf 1137647174
equali1 1174192621
nbits2extraprec 1456844547
gc_upto 1951773110
odd 2088975050
is_pm1 2203545902
lgpol 2687656255
isintzero 2842308755
bit_accuracy 3156076168
gc_INT 4106470319
prec2lg 4468320004
is_const_t 4893589585
degpol 5494561346
remsBIL 7996155534
icopy_avma 8035294308
divsBIL 8087184400
isonstack 8266668076
is_recursive_t 9233811384

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