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 30754-316d984fc8) Lines: 1421 1535 92.6 %
Date: 2026-03-19 09:26:57 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
pari_err_BUG 14
znstar_get_no 14
RgM_gtomp 21
mkvec4s 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
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_get_sfu 1743
gchar_set_evalprec 1813
mkintmodu 1834
gchar_get_nm 1869
pari_realloc 1880
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecreverse_inplace 2605
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2876
gchar_set_nfprec 2968
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
vecsmall_min 3710
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
matpascal 4683
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5821
FqX_get_red 6090
gal_get_p 6118
gval 6230
FqXn_expint 6590
gal_get_orders 6706
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 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 10136
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 17150
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 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27867
gal_get_invvdm 27873
absfrac_shallow 28237
gequalgs 29176
zerovec_block 29654
gener_Fq_local 29946
gchar_get_basis 32816
gal_get_roots 32843
F2xqX_div 33173
ndec2prec 33314
mkcolcopy 33587
Qtoss 35364
gal_get_pol 36427
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37150
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37800
FqX_div 38565
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41584
znstar_get_Ui 46788
pari_calloc 47756
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 61607
err_get_num 62596
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68158
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 75754
bnr_get_mod 77119
gal_get_group 80414
mkcol3 88314
cyclic_perm 99911
gtou 100712
mkcol4 103467
zv_to_zx 104146
mkmoo 108901
zeromat 109009
RgV_isin 110158
RgV_isin_i 110158
mkvec2copy 114534
Q_abs_shallow 120235
mkmatcopy 122317
mkveccopy 122528
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138815
zeroser 138992
FqX_factor 140960
RgV_is_QV 142000
get_FpXQX_mod 146583
FlxqX_div_pre 165411
znstar_get_U 176107
vecsmall_prepend 186977
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200658
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220729
mkcol6 232470
ellR_get_prec 232750
rowslicepermute 234890
zero_Flm_copy 238318
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249623
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264435
bnr_get_no 277491
gchar_get_zm 281911
bnf_get_tuN 283005
bnf_get_fu_nocheck 289092
bnf_get_tuU 303586
nf_get_G 304814
vec_prepend 313927
get_FlxqX_degree 317580
rnf_get_polabs 327628
cxtoreal 337205
upr_norm 346135
RgX_renormalize 349807
FqX_mul 367935
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 385009
RgX_is_QX 399944
ZM_hnfrem 401416
abgrp_get_no 406731
perm_conj 418299
FqX_Fq_mul 427300
FqX_extgcd 445018
nf_get_disc 463523
precdbl 476364
RgX_shift_inplace 479468
RgX_shift_inplace_init 479468
Z_issquare 509450
nf_get_sign 519600
mkvec3s 524441
addmuliu 541626
gdivsg 559710
zv_to_ZV 569244
FqX_Fp_mul 572209
vecsmall_to_vec 578043
prec2nbits_mul 581096
vecsmall_ei 585102
powIs 588203
ZM_ZV_mod 610710
RgC_fpnorml2 619942
FqX_is_squarefree 683802
vecreverse 697305
mkrfrac 698439
coltrunc_init 740257
logint 755019
gcmpgs 761916
row 763902
rnf_get_nf 786086
ellff_get_a4a6 800523
zero_F2m_copy 845266
FpXX_renormalize 849322
zeropadic 857548
gmin_shallow 898201
affgr 899594
ZXQ_sqr 960615
cgetc 975457
Flx_lead 1068819
polx_F2x 1073636
pr_norm 1090575
Flx_constant 1091527
Fp_invsafe 1097242
sstoQ 1097313
Flx_mulu 1105291
vecsmall_max 1177387
ellinf 1208460
mkfracss 1209563
RgV_isscalar 1210266
gen_I 1268889
RgX_is_monomial 1319965
mkoo 1332021
bnf_get_sunits 1367773
rnf_get_absdegree 1392746
bnr_get_nf 1399085
zero_Flx 1427283
constant_coeff 1441254
Rg_col_ei 1451071
inf_get_sign 1453168
vecsmall_concat 1464615
nf_get_varn 1503773
guncloneNULL_deep 1511160
bid_get_mod 1521919
F2m_flip 1553407
F2v_flip 1553407
F2x_flip 1553407
F2x_div 1557587
uutoQ 1602144
nf_get_roots 1628847
bnf_get_gen 1680308
vec_ei 1714709
mkvecsmall5 1718726
gsubgs 1731943
nf_get_roundG 1748494
abgrp_get_gen 1765019
modpr_get_p 1887627
get_F2x_degree 1928556
killblock 1959312
Flx_div 1999822
ellnf_get_nf 2027254
ellff_get_field 2038573
bnr_get_bid 2046101
ulogint 2077998
ell_get_j 2126269
bid_get_MOD 2157263
bid_get_sprk 2157988
ZXQ_mul 2166298
zv_copy 2184158
bid_get_fact2 2201575
gc_slice 2211076
pol_xn 2252862
pari_realloc_ip 2357953
bid_get_archp 2397124
get_F2x_mod 2490764
bid_get_fact 2498963
rnf_get_degree 2506335
bnr_get_cyc 2522589
get_F2x_var 2536855
ell_get_b4 2550293
Flv_copy 2555422
mul_content 2657586
cyc_get_expo 2757574
hash_str 2757652
sqrtnr 2810625
bnr_get_clgp 2830268
zero_Flm 2830900
rnf_get_pol 2845192
vecslicepermute 2859868
znstar_get_pe 2869063
F2x_equal1 2873816
bnf_get_logfu 2874765
RgX_coeff 2889731
gisdouble 2995460
mkpolmod 3075580
Fq_red 3106448
bit_accuracy_mul 3175715
ZV_to_zv 3211716
identity_perm 3243149
F3m_coeff 3255608
identity_zv 3267513
znstar_get_conreygen 3290526
ell_get_b8 3297414
get_FpX_mod 3387876
vec_append 3468955
zero_F2v 3656455
bid_get_U 3680239
bnf_get_cyc 3686600
bnr_get_bnf 3710957
nf_get_index 3712046
perm_inv 3747204
pol_1 3752510
pol_x 3860404
ell_get_b6 3863192
mulsubii 3893018
pol1_F2x 3952064
vec_to_vecsmall 4039424
vecsmall_append 4114701
sqrfrac 4150914
mkcol2s 4416244
F2x_equal 4605381
FpXQX_renormalize 4693079
mkmat 4779722
qfb_disc3 4995182
mkfraccopy 4999683
is_rational_t 5017619
vecsmall_copy 5369862
bnf_get_clgp 5375453
nf_get_zkprimpart 5416331
nf_get_zkden 5462010
FpX_div 5582056
checkell_i 5593688
bid_get_cyc 5739842
bid_get_grp 5804688
pari_stack_delete 5895423
col_ei 5925369
isintm1 6086521
pari_stack_init 6376043
Flm_copy 6434612
sqrti 6612759
get_FpX_var 6954311
get_FpX_degree 6969391
RgX_div 6997065
vecsmall_lexcmp 7043234
ell_get_a2 7106327
ZM_lll 7117684
RgX_gtofp 7163937
ZX_is_monic 7319895
znstar_get_faN 7334819
ell_get_b2 7371378
zc_to_ZC 7911242
vecsmall_to_col 7925780
znstar_get_conreycyc 7982108
Q_abs 8061043
mkintmod 8065623
ZV_ZV_mod 8147244
Flx_equal1 8195707
RgM_gtofp 8257582
F2m_coeff 8356252
ell_get_a4 8536868
Flm_row 8743759
ell_get_a3 8814543
ell_get_a1 8997575
cxtofp 9093292
veclast 9374242
ismpzero 9702657
is_intreal_t 9702755
const_col 9730077
nf_get_invzk 9774951
bnf_get_nf 9866333
RgM_dimensions 9953781
mkvec4 10150227
ell_get_a6 10371106
mkcol 10653534
ZC_hnfrem 10697625
mul_denom 10709864
ell_get_c4 11019049
Fp_addmul 11224885
ser_isexactzero 11434254
gc_INT_affii 11587477
vectrunc_init 11767262
pr_get_gen 12072785
abgrp_get_cyc 12231167
F2v_clear 12360490
F2x_clear 12360490
ell_get_type 12499789
nbits2nlong 12725527
zeropol 12867388
pol0_F2x 13183811
ell_get_c6 13474771
gmax_shallow 13510228
modpr_get_T 13867121
zeromatcopy 14377904
closure_get_frame 14734922
rowpermute 14759072
Fp_div 15034303
Fp_divu 15128831
mkvec5 15187670
vectrunc_append 15859936
pr_get_e 16167552
ell_get_disc 16816756
matslice 16825381
pr_is_inert 17224508
normalize_frac 17311797
isint1 17987172
Fp_center_i 18038634
cxcompotor 18238455
qfb_disc 18502569
mkvecsmall4 18684441
const_vecsmall 18861162
Fp_double 20818457
vecpermute 21113810
Flx_div_pre 21712493
nf_get_M 21745716
RgM_shallowcopy 22235176
RgX_is_ZX 22315730
Fp_inv 23436004
nf_get_r1 23466136
ZV_isscalar 23675192
gmulgs 23834023
get_Flx_mod 25503411
pol_0 26065083
pr_get_f 26444711
RgX_equal_var 26880186
shallowcopy 27897469
mkqfb 27928550
zerovec 29348183
modpr_get_pr 31236607
Fp_neg 31478914
hash_str_len 31655233
submulii 31985153
RgV_is_ZV 32095988
mkmat2 33666009
RgC_gtofp 34032315
const_vec 34679403
zero_zv 37302575
polx_Flx 37502000
lincombii 38270429
znstar_get_N 38658713
mkfrac 41923977
powii 43130199
is_vec_t 43963142
closure_is_variadic 45930757
absfrac 46991367
ell_is_inf 49414984
pr_get_tau 49773935
guncloneNULL 49832798
mkmat22 50259616
QV_isscalar 54420414
pol1_Flx 54916606
F2x_copy 58993375
addmuliu_inplace 59624898
zero_Flv 59745163
submuliu_inplace 60128471
is_real_t 61899888
Fp_sqr 64434316
qfb_is_qfi 64537358
gtodouble 66245906
get_Flx_var 68388351
Fp_mulu 68485200
mkvec 69668191
nf_get_degree 71378519
Fp_center 77390545
vecsmallpermute 78758996
rowslice 79464588
perm_mul 80955154
get_Flx_degree 82146231
Fp_red 82927688
gtos 85865502
sqrtr 86880589
is_noncalc_t 88503207
mkcomplex 92010676
pr_get_p 92761452
cxnorm 94062282
dbllog2r 94329422
nf_get_pol 98122734
vecsmalltrunc_append 100781826
RgX_copy 102485630
gc_all 102550593
pol0_Flx 103155087
mkvecsmall3 103272146
F2v_set 104112807
cgiv 105481638
prec2nbits 106953487
vecsmall_prefixcmp 108088071
F2x_renormalize 111610141
mkvec3 119623442
gaddgs 123270554
both_odd 124022558
zerocol 125155588
F2x_set 125800764
nchar2nlong 127919029
mkvecsmall 131794628
equalim1 139567903
bit_prec 143390614
FpX_renormalize 145863072
ZX_renormalize 155225097
mkcol2 156986684
nbrows 158269373
leading_coeff 169337947
Flx_copy 173829257
Fp_add 181105150
nbits2prec 188995756
Fp_mul 201026826
Fp_sub 202852013
mkvec2 213089719
vecsmalltrunc_init 243276387
gc_GEN 246986191
mkvecsmall2 256213771
gtofp 257190596
gmulgu 283360013
closure_get_data 306079070
closure_get_oper 306109928
closure_codestr 306119936
is_universal_constant 326522109
lgcols 352694918
closure_arity 356554173
is_scalar_t 403468970
lg_increase 446289829
bin_copy 473126969
pari_free 487494577
is_bigint 574370094
leafcopy_avma 595058430
vecslice 657476557
F2v_coeff 664421337
F2x_coeff 671034711
pari_malloc 723598493
is_matvec_t 742927348
pari_stack_new 911145234
GENbinbase 919494500
pari_stack_alloc 1006452045
pari_stack_base 1012323438
gc_leaf 1142640992
equali1 1169413174
nbits2extraprec 1498256273
gc_upto 1956799307
odd 2124225954
is_pm1 2216386705
lgpol 2588315501
isintzero 2848820972
bit_accuracy 3128005740
gc_INT 4136218330
prec2lg 4565830073
is_const_t 5006723877
degpol 5514721595
icopy_avma 8051322717
remsBIL 8141976312
divsBIL 8233185315
isonstack 8326898041
is_recursive_t 9103211891

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