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
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 22080
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 26299
gal_get_den 27873
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 37830
FqX_div 38548
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
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 61606
err_get_num 62529
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68306
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 74579
bnr_get_mod 77118
gal_get_group 80393
mkcol3 88314
gtou 98313
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108850
zeromat 109113
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114569
Q_abs_shallow 120244
mkmatcopy 122238
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138522
zeroser 138824
RgV_is_QV 140764
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165412
znstar_get_U 176107
rowslicepermute 184798
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 220415
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235918
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249594
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277499
gchar_get_zm 281911
bnf_get_tuN 283002
bnf_get_fu_nocheck 289081
nf_get_G 303565
bnf_get_tuU 303581
vec_prepend 313999
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333157
cxtoreal 337177
upr_norm 346133
RgX_renormalize 349807
abgrp_get_no 355191
ZM_hnfrem 363862
FqX_mul 367814
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384905
RgX_is_QX 400132
perm_conj 418299
FqX_Fq_mul 427290
FqX_extgcd 445052
Z_issquare 458924
nf_get_disc 463863
precdbl 475511
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503010
vecsmall_to_vec 511585
nf_get_sign 519553
mkvec3s 524441
gdivsg 531142
addmuliu 541110
FqX_Fp_mul 572111
prec2nbits_mul 581137
vecsmall_ei 584716
ZM_ZV_mod 596607
RgC_fpnorml2 622074
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 755029
gcmpgs 761921
row 764005
rnf_get_nf 786030
ellff_get_a4a6 800026
zero_F2m_copy 845094
FpXX_renormalize 849896
zeropadic 855372
gmin_shallow 878269
affgr 898824
ZXQ_sqr 961089
cgetc 975430
Flx_lead 980511
polx_F2x 1078341
pr_norm 1088527
sstoQ 1097215
Fp_invsafe 1100348
Flx_mulu 1105172
vecsmall_max 1164606
mkfracss 1209563
RgV_isscalar 1210301
gen_I 1269845
RgX_is_monomial 1331282
mkoo 1332038
bnf_get_sunits 1367777
bnr_get_nf 1368113
rnf_get_absdegree 1392746
zero_Flx 1426890
constant_coeff 1441486
guncloneNULL_deep 1444639
Rg_col_ei 1451321
inf_get_sign 1453144
vecsmall_concat 1464425
nf_get_varn 1503577
bid_get_mod 1521920
F2x_flip 1554045
F2m_flip 1554046
F2v_flip 1554046
F2x_div 1570008
uutoQ 1600142
nf_get_roots 1627826
bnf_get_gen 1680314
vec_ei 1714625
ulogint 1717103
gsubgs 1724191
mkvecsmall5 1731107
nf_get_roundG 1746588
abgrp_get_gen 1765027
ellinf 1869801
modpr_get_p 1888432
get_F2x_degree 1929043
killblock 1929955
Flx_div 1998992
ellnf_get_nf 2027596
ellff_get_field 2036863
bnr_get_bid 2045878
ell_get_j 2126227
bid_get_MOD 2157275
bid_get_sprk 2157993
ZXQ_mul 2162055
zv_copy 2184040
bid_get_fact2 2201593
gc_slice 2204758
pol_xn 2249955
pari_realloc_ip 2267387
bid_get_archp 2397138
bid_get_fact 2498940
get_F2x_mod 2499127
rnf_get_degree 2506307
bnr_get_cyc 2522340
get_F2x_var 2534158
ell_get_b4 2550216
Flv_copy 2555302
mul_content 2654119
RgX_coeff 2669371
vecslicepermute 2689656
hash_str 2756815
cyc_get_expo 2757776
perm_inv 2782821
sqrtnr 2807498
bnr_get_clgp 2830020
zero_Flm 2830107
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2873861
bnf_get_logfu 2874733
gisdouble 2987249
mkpolmod 3105021
Fq_red 3106371
bit_accuracy_mul 3175454
ZV_to_zv 3211413
identity_perm 3242492
F3m_coeff 3256654
identity_zv 3266842
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394336
vec_append 3465568
zero_F2v 3648068
bid_get_U 3680247
bnf_get_cyc 3686071
nf_get_index 3711269
bnr_get_bnf 3750914
pol_1 3756367
pol_x 3856803
ell_get_b6 3863115
mulsubii 3880547
pol1_F2x 3957825
vec_to_vecsmall 4036835
vecsmall_append 4111375
sqrfrac 4147746
vecsmall_copy 4404239
mkcol2s 4416244
F2x_equal 4655358
FpXQX_renormalize 4693825
mkmat 4750905
qfb_disc3 4990829
mkfraccopy 4999062
is_rational_t 5035180
bnf_get_clgp 5374928
nf_get_zkprimpart 5416316
nf_get_zkden 5462148
FpX_div 5581016
checkell_i 5593291
pari_stack_delete 5623137
isintm1 5704250
bid_get_cyc 5739592
bid_get_grp 5804446
col_ei 5925780
pari_stack_init 6082095
get_FpX_degree 6424556
Flm_copy 6433449
sqrti 6665590
get_FpX_var 6958050
RgX_div 7000740
vecsmall_lexcmp 7043238
ell_get_a2 7106158
ZM_lll 7112315
RgX_gtofp 7147629
znstar_get_faN 7330731
ell_get_b2 7371024
ZX_is_monic 7376005
zc_to_ZC 7823563
vecsmall_to_col 7837743
znstar_get_conreycyc 7978902
F2m_coeff 8038897
Q_abs 8062709
mkintmod 8092500
ZV_ZV_mod 8131278
RgM_gtofp 8252081
Flx_equal1 8327071
gc_INT_affii 8488278
ell_get_a4 8536699
Flm_row 8742402
ell_get_a3 8814020
ell_get_a1 8997052
cxtofp 9081924
veclast 9372665
ismpzero 9583635
is_intreal_t 9583747
const_col 9729859
RgM_dimensions 9742262
nf_get_invzk 9765325
bnf_get_nf 9863725
ser_isexactzero 10079479
mkvec4 10105939
ell_get_a6 10370937
mkcol 10640985
ZC_hnfrem 10690826
mul_denom 10709916
ell_get_c4 11018115
Fp_addmul 11363173
pr_get_gen 12062084
vectrunc_init 12065336
abgrp_get_cyc 12230251
F2v_clear 12355300
F2x_clear 12355304
ell_get_type 12499411
nbits2nlong 12649867
pol0_F2x 13241647
ell_get_c6 13474551
gmax_shallow 13510218
modpr_get_T 13867538
closure_get_frame 14168629
zeromatcopy 14239911
rowpermute 14709124
Fp_div 15035948
Fp_divu 15135733
mkvec5 15184840
pr_get_e 15952405
vectrunc_append 16160370
ell_get_disc 16815192
matslice 16816831
pr_is_inert 16910195
normalize_frac 17204496
isint1 17571909
mkvecsmall4 17836723
Fp_center_i 18058714
cxcompotor 18215552
qfb_disc 18514503
const_vecsmall 19705630
vecpermute 20529647
nf_get_M 21171704
Flx_div_pre 21704757
RgM_shallowcopy 22169769
Fp_double 22314189
RgX_is_ZX 22421824
gmulgs 22458285
nf_get_r1 22892225
ZV_isscalar 23097872
Fp_inv 23437366
get_Flx_mod 25599823
pr_get_f 26040644
RgX_equal_var 26880627
shallowcopy 27640165
mkqfb 27919741
zerovec 28455394
modpr_get_pr 31237937
Fp_neg 31488757
hash_str_len 31549521
RgV_is_ZV 32164057
submulii 32847018
mkmat2 33658533
RgC_gtofp 34009801
const_vec 34478258
zero_zv 36736556
polx_Flx 37824540
lincombii 38184555
znstar_get_N 38653757
closure_is_variadic 40167140
mkfrac 41635421
zeropol 42358630
powii 43178324
is_vec_t 43936387
absfrac 46637936
guncloneNULL 48226864
pr_get_tau 48871621
mkmat22 50274537
ell_is_inf 52477754
QV_isscalar 54401394
pol1_Flx 55055524
zero_Flv 59496513
addmuliu_inplace 59766679
submuliu_inplace 60257708
F2x_copy 60394565
gtodouble 60761074
is_real_t 62063090
qfb_is_qfi 62945165
Fp_sqr 64604244
Fp_mulu 67709906
get_Flx_var 68358109
mkvec 71146095
nf_get_degree 71350637
Fp_center 77247600
vecsmallpermute 78729743
rowslice 79330286
sqrtr 80361040
perm_mul 80925319
Fp_red 82090786
get_Flx_degree 82212250
pol_0 82998354
gtos 85853533
is_noncalc_t 85861385
cxnorm 90937086
mkcomplex 91626549
pr_get_p 91708258
dbllog2r 92816807
nf_get_pol 98056297
F2v_set 101404000
vecsmalltrunc_append 101481120
cgiv 102118498
RgX_copy 103404804
pol0_Flx 103505802
prec2nbits 103928118
mkvecsmall3 104038585
vecsmall_prefixcmp 108088071
gc_all 109992510
F2x_renormalize 115198509
mkvec3 117687612
zerocol 122282809
gaddgs 123245755
both_odd 124109114
F2x_set 124754025
nchar2nlong 127402762
mkvecsmall 131668075
equalim1 139504392
bit_prec 142661592
FpX_renormalize 144583755
ZX_renormalize 155003411
mkcol2 156854642
nbrows 157462746
leading_coeff 170558320
Flx_copy 173790709
Fp_add 181583012
mkvec2 183930030
nbits2prec 186100593
vecsmalltrunc_init 187944402
Fp_mul 201081632
Fp_sub 203474885
mkvecsmall2 233605627
gtofp 254228837
gc_GEN 256160446
gmulgu 282058132
lg_increase 311095528
closure_get_data 321425850
closure_get_oper 321449421
closure_codestr 321473683
is_universal_constant 325816247
lgcols 350230112
closure_arity 371343556
is_scalar_t 375643770
bin_copy 497265418
pari_free 510676924
is_bigint 562542677
leafcopy_avma 576935868
vecslice 656014293
is_matvec_t 659415947
F2v_coeff 661326797
F2x_coeff 667925163
pari_malloc 746563616
pari_stack_new 924980691
GENbinbase 964234028
pari_stack_alloc 1019657411
pari_stack_base 1025261200
gc_leaf 1131818364
equali1 1175148563
nbits2extraprec 1456118886
gc_upto 1948996272
odd 2084750736
is_pm1 2202404488
lgpol 2683324136
isintzero 2837413223
bit_accuracy 3162796305
gc_INT 4104152668
prec2lg 4465826989
is_const_t 4887984588
degpol 5500897177
remsBIL 8004684836
icopy_avma 8035556998
divsBIL 8095761727
isonstack 8254853301
is_recursive_t 9238651298

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