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 30536-6f6fcf9613) Lines: 1419 1532 92.6 %
Date: 2025-11-02 09:21:49 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
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
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 126
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
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 350
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
pari_err_DOMAIN 2841
rnf_get_ramified_primes 2849
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 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
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 7742
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
gal_get_gen 15449
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 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22081
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22781
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gal_get_roots 32753
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33237
mkcolcopy 33504
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37958
FqX_div 38547
FqX_deriv 40061
mkcols 40411
bid_get_arch 41187
ndec2nlong 41507
znstar_get_Ui 46788
pari_calloc 47671
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58476
RgX_fpnorml2 61607
err_get_num 62530
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68305
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73792
vecsmall_shorten 74574
bnr_get_mod 77119
gal_get_group 80393
mkcol3 88314
gtou 98315
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108851
zeromat 109119
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114574
Q_abs_shallow 120255
mkmatcopy 122231
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138525
zeroser 138824
RgV_is_QV 140759
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165406
znstar_get_U 176107
rowslicepermute 184865
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200501
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220420
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235919
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249593
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277498
gchar_get_zm 281911
bnf_get_tuN 283001
bnf_get_fu_nocheck 289077
nf_get_G 303565
bnf_get_tuU 303572
vec_prepend 313996
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333047
cxtoreal 337175
upr_norm 346134
RgX_renormalize 349807
abgrp_get_no 355188
ZM_hnfrem 363824
FqX_mul 367814
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384894
RgX_is_QX 400132
perm_conj 418299
FqX_Fq_mul 427289
FqX_extgcd 445041
Z_issquare 458923
nf_get_disc 463865
precdbl 475513
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503010
vecsmall_to_vec 511585
nf_get_sign 519550
mkvec3s 524441
gdivsg 531141
addmuliu 541128
FqX_Fp_mul 572130
prec2nbits_mul 581135
vecsmall_ei 584733
ZM_ZV_mod 596613
RgC_fpnorml2 622078
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 755036
gcmpgs 761923
row 764003
rnf_get_nf 786030
ellff_get_a4a6 800036
zero_F2m_copy 845103
FpXX_renormalize 849896
zeropadic 855775
gmin_shallow 878350
affgr 898817
ZXQ_sqr 961081
cgetc 975428
Flx_lead 980526
polx_F2x 1078586
pr_norm 1088559
sstoQ 1097215
Fp_invsafe 1100356
Flx_mulu 1105202
vecsmall_max 1164632
mkfracss 1209563
RgV_isscalar 1210307
gen_I 1269816
RgX_is_monomial 1331305
mkoo 1332028
bnf_get_sunits 1367783
bnr_get_nf 1368124
guncloneNULL_deep 1386735
rnf_get_absdegree 1392746
zero_Flx 1426969
constant_coeff 1441515
Rg_col_ei 1451291
inf_get_sign 1453138
vecsmall_concat 1464433
nf_get_varn 1503570
bid_get_mod 1521921
F2m_flip 1554251
F2v_flip 1554251
F2x_flip 1554251
F2x_div 1570586
uutoQ 1600142
nf_get_roots 1627819
bnf_get_gen 1680327
vec_ei 1714561
gsubgs 1724196
mkvecsmall5 1730622
ulogint 1730943
nf_get_roundG 1746595
abgrp_get_gen 1765040
ellinf 1868514
modpr_get_p 1888432
killblock 1900907
get_F2x_degree 1929090
Flx_div 1999005
ellnf_get_nf 2027571
ellff_get_field 2036877
bnr_get_bid 2045865
ell_get_j 2126227
bid_get_MOD 2157254
bid_get_sprk 2157977
ZXQ_mul 2162058
pari_realloc_ip 2180051
zv_copy 2184177
bid_get_fact2 2201578
gc_slice 2204861
pol_xn 2249950
bid_get_archp 2397056
bid_get_fact 2498888
get_F2x_mod 2499209
rnf_get_degree 2506307
bnr_get_cyc 2522313
get_F2x_var 2534249
ell_get_b4 2549033
Flv_copy 2555432
mul_content 2654005
RgX_coeff 2669371
vecslicepermute 2690565
hash_str 2754914
cyc_get_expo 2757772
perm_inv 2782868
sqrtnr 2807567
bnr_get_clgp 2829992
zero_Flm 2830394
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2874039
bnf_get_logfu 2874712
gisdouble 2987782
mkpolmod 3105022
Fq_red 3106394
bit_accuracy_mul 3175454
ZV_to_zv 3211413
identity_perm 3242748
F3m_coeff 3256711
identity_zv 3267098
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394339
vec_append 3465560
zero_F2v 3648073
bid_get_U 3680230
bnf_get_cyc 3686074
nf_get_index 3711272
bnr_get_bnf 3750908
pol_1 3756379
pol_x 3856902
ell_get_b6 3861932
mulsubii 3880964
pol1_F2x 3958242
vec_to_vecsmall 4036814
vecsmall_append 4111386
sqrfrac 4147759
vecsmall_copy 4404218
mkcol2s 4416244
F2x_equal 4657881
FpXQX_renormalize 4693073
mkmat 4750826
qfb_disc3 4990599
mkfraccopy 4999043
is_rational_t 5035188
bnf_get_clgp 5374942
pari_stack_delete 5391378
nf_get_zkprimpart 5416315
nf_get_zkden 5462178
FpX_div 5581067
checkell_i 5593212
isintm1 5704234
bid_get_cyc 5739512
bid_get_grp 5804361
pari_stack_init 5835354
col_ei 5925790
get_FpX_degree 6424439
Flm_copy 6433547
sqrti 6665722
get_FpX_var 6957891
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7105474
ZM_lll 7112135
RgX_gtofp 7147624
znstar_get_faN 7330731
ell_get_b2 7369849
ZX_is_monic 7376018
zc_to_ZC 7823875
vecsmall_to_col 7838056
znstar_get_conreycyc 7978902
F2m_coeff 8039311
Q_abs 8062685
mkintmod 8092641
ZV_ZV_mod 8131278
RgM_gtofp 8251829
Flx_equal1 8327275
gc_INT_affii 8488678
ell_get_a4 8536015
Flm_row 8742625
ell_get_a3 8813344
ell_get_a1 8996376
cxtofp 9082489
veclast 9372677
ismpzero 9583717
is_intreal_t 9583827
const_col 9729889
RgM_dimensions 9742107
nf_get_invzk 9765293
bnf_get_nf 9863701
ser_isexactzero 10079479
mkvec4 10105950
ell_get_a6 10370253
mkcol 10640992
ZC_hnfrem 10690806
mul_denom 10709940
ell_get_c4 10728578
Fp_addmul 11385716
pr_get_gen 12062106
vectrunc_init 12066355
abgrp_get_cyc 12230134
F2v_clear 12355676
F2x_clear 12355688
ell_get_type 12499074
nbits2nlong 12650000
ell_get_c6 12891935
pol0_F2x 13244980
gmax_shallow 13510220
modpr_get_T 13867539
closure_get_frame 14147661
zeromatcopy 14239520
rowpermute 14709721
Fp_div 15035219
Fp_divu 15134990
mkvec5 15184838
pr_get_e 15952553
vectrunc_append 16161820
ell_get_disc 16525473
matslice 16817673
pr_is_inert 16909975
normalize_frac 17204353
isint1 17571896
mkvecsmall4 17834158
Fp_center_i 18055590
cxcompotor 18216583
qfb_disc 18514462
const_vecsmall 19663234
vecpermute 20531764
nf_get_M 21172391
Flx_div_pre 21703501
RgM_shallowcopy 22169644
Fp_double 22339917
RgX_is_ZX 22421810
gmulgs 22512660
nf_get_r1 22892869
ZV_isscalar 23098574
Fp_inv 23438030
get_Flx_mod 25597640
pr_get_f 26040939
RgX_equal_var 26880634
shallowcopy 27639517
mkqfb 27919277
zerovec 28455483
Fp_neg 30906612
modpr_get_pr 31237898
hash_str_len 31542906
RgV_is_ZV 32164052
submulii 32847018
mkmat2 33657948
RgC_gtofp 34010028
const_vec 34470004
zero_zv 36738301
polx_Flx 37825274
lincombii 38193751
znstar_get_N 38653757
closure_is_variadic 40153010
mkfrac 41639441
zeropol 42358639
powii 43176710
is_vec_t 43951382
absfrac 46637991
guncloneNULL 48154948
pr_get_tau 48871758
mkmat22 50283575
ell_is_inf 52481006
QV_isscalar 54401010
pol1_Flx 55052730
zero_Flv 59498806
addmuliu_inplace 59692170
submuliu_inplace 60181225
F2x_copy 60382028
gtodouble 60764007
is_real_t 62063091
qfb_is_qfi 62942542
Fp_sqr 64704204
Fp_mulu 67872920
get_Flx_var 68352208
mkvec 71128943
nf_get_degree 71350050
Fp_center 77234938
vecsmallpermute 78733778
rowslice 79338501
sqrtr 80361316
perm_mul 80929368
Fp_red 82092511
get_Flx_degree 82567547
pol_0 82998369
gtos 85833256
is_noncalc_t 85860914
cxnorm 90942633
mkcomplex 91628840
pr_get_p 91708344
dbllog2r 92814798
nf_get_pol 98055607
F2v_set 101404359
vecsmalltrunc_append 101510749
cgiv 102120680
RgX_copy 103404940
pol0_Flx 103507914
prec2nbits 103925588
mkvecsmall3 104049308
vecsmall_prefixcmp 108088071
gc_all 109992220
F2x_renormalize 115223504
mkvec3 118772738
zerocol 122283343
gaddgs 123245797
both_odd 123941800
F2x_set 124768665
nchar2nlong 127391091
mkvecsmall 131670779
equalim1 139504326
bit_prec 142674851
FpX_renormalize 144581766
ZX_renormalize 155029272
mkcol2 156922447
nbrows 157467690
leading_coeff 170555689
Flx_copy 173791526
Fp_add 181615853
mkvec2 185894848
nbits2prec 186110546
vecsmalltrunc_init 192030924
Fp_mul 201103067
Fp_sub 203628347
mkvecsmall2 233625698
gtofp 254214603
gc_GEN 256127992
gmulgu 282058132
lg_increase 320125976
closure_get_data 321431823
closure_get_oper 321469618
closure_codestr 321494784
is_universal_constant 325833670
lgcols 350240212
closure_arity 371329443
is_scalar_t 375643389
bin_copy 497271596
pari_free 510589015
is_bigint 562568674
leafcopy_avma 576825044
vecslice 656050667
is_matvec_t 659435319
F2v_coeff 661329875
F2x_coeff 667939954
pari_malloc 746520927
pari_stack_new 924869941
GENbinbase 964240302
pari_stack_alloc 1019477798
pari_stack_base 1024853612
gc_leaf 1133408031
equali1 1175138861
nbits2extraprec 1456194772
gc_upto 1948988671
odd 2085973257
is_pm1 2202099686
lgpol 2685704989
isintzero 2838560994
bit_accuracy 3162389031
gc_INT 4104654424
prec2lg 4466806459
is_const_t 4888972301
degpol 5505419500
remsBIL 8003821489
icopy_avma 8035537039
divsBIL 8093703825
isonstack 8256500789
is_recursive_t 9238461333

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