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 30617-dd5c93fb0e) Lines: 1421 1535 92.6 %
Date: 2026-01-21 09:23:33 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 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
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 8372
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 13628
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 22082
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 26300
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 33314
mkcolcopy 33553
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37065
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37941
FqX_div 38565
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41584
znstar_get_Ui 46788
pari_calloc 47720
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58505
RgX_fpnorml2 61496
err_get_num 62537
bid_get_gen 64274
nf_get_ramified_primes 64644
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 75643
bnr_get_mod 77119
gal_get_group 80386
mkcol3 88314
gtou 99538
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108800
zeromat 109111
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114531
Q_abs_shallow 120225
mkmatcopy 122301
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138439
zeroser 138908
RgV_is_QV 140734
FqX_factor 140945
get_FpXQX_mod 146583
FlxqX_div_pre 165409
znstar_get_U 176107
rowslicepermute 185094
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200441
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220249
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238242
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249622
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 282994
bnf_get_fu_nocheck 289083
bnf_get_tuU 303573
nf_get_G 304889
vec_prepend 313996
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334028
cxtoreal 337206
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 354949
ZM_hnfrem 363767
FqX_mul 367704
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384920
RgX_is_QX 399935
perm_conj 418299
FqX_Fq_mul 427293
FqX_extgcd 444666
Z_issquare 458713
nf_get_disc 463483
precdbl 475371
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519551
mkvec3s 524441
gdivsg 531591
addmuliu 535816
FqX_Fp_mul 571441
prec2nbits_mul 581166
vecsmall_ei 584718
ZM_ZV_mod 596463
RgC_fpnorml2 619845
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754823
gcmpgs 761924
row 763905
rnf_get_nf 786086
ellff_get_a4a6 800041
zero_F2m_copy 845051
FpXX_renormalize 849917
zeropadic 855491
gmin_shallow 877690
affgr 898901
ZXQ_sqr 960441
cgetc 975459
Flx_lead 978895
polx_F2x 1078713
pr_norm 1090551
sstoQ 1097215
Fp_invsafe 1100357
Flx_mulu 1105455
vecsmall_max 1164102
mkfracss 1209563
RgV_isscalar 1210269
gen_I 1269709
RgX_is_monomial 1331345
mkoo 1331886
bnf_get_sunits 1367772
rnf_get_absdegree 1392746
bnr_get_nf 1399077
zero_Flx 1426720
guncloneNULL_deep 1432850
constant_coeff 1441140
Rg_col_ei 1450967
inf_get_sign 1452945
vecsmall_concat 1464245
nf_get_varn 1503767
bid_get_mod 1521922
F2m_flip 1554326
F2v_flip 1554326
F2x_flip 1554326
F2x_div 1571019
uutoQ 1600198
nf_get_roots 1628957
bnf_get_gen 1680306
vec_ei 1713861
mkvecsmall5 1717495
ulogint 1719217
gsubgs 1724806
nf_get_roundG 1748200
abgrp_get_gen 1765020
ellinf 1869788
modpr_get_p 1887627
killblock 1918304
get_F2x_degree 1929109
Flx_div 1997999
ellnf_get_nf 2027260
ellff_get_field 2036884
bnr_get_bid 2046087
ell_get_j 2126269
bid_get_MOD 2157249
bid_get_sprk 2157979
ZXQ_mul 2161285
zv_copy 2183777
bid_get_fact2 2201571
gc_slice 2204207
pol_xn 2249288
pari_realloc_ip 2256768
bid_get_archp 2397095
bid_get_fact 2498925
get_F2x_mod 2499438
rnf_get_degree 2506335
bnr_get_cyc 2522558
get_F2x_var 2534146
ell_get_b4 2550216
Flv_copy 2555016
mul_content 2657104
RgX_coeff 2669861
vecslicepermute 2690240
hash_str 2756815
cyc_get_expo 2757537
perm_inv 2781890
sqrtnr 2810191
zero_Flm 2829235
bnr_get_clgp 2830229
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874283
bnf_get_logfu 2874764
gisdouble 2996021
mkpolmod 3103722
Fq_red 3106472
bit_accuracy_mul 3175484
ZV_to_zv 3211407
identity_perm 3241280
F3m_coeff 3255864
identity_zv 3265630
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394376
vec_append 3465090
zero_F2v 3647760
bid_get_U 3680229
bnf_get_cyc 3686099
bnr_get_bnf 3710948
nf_get_index 3711394
pol_1 3755729
pol_x 3857137
ell_get_b6 3863115
mulsubii 3881222
pol1_F2x 3958504
vec_to_vecsmall 4036619
vecsmall_append 4099617
sqrfrac 4148235
vecsmall_copy 4403905
mkcol2s 4416244
F2x_equal 4662854
FpXQX_renormalize 4693879
mkmat 4750935
qfb_disc3 4996076
mkfraccopy 4999664
is_rational_t 5032492
bnf_get_clgp 5374992
nf_get_zkprimpart 5414110
nf_get_zkden 5459850
FpX_div 5581207
pari_stack_delete 5585192
checkell_i 5593236
isintm1 5710130
bid_get_cyc 5739793
bid_get_grp 5804650
col_ei 5924603
pari_stack_init 6051154
get_FpX_degree 6424273
Flm_copy 6433548
sqrti 6610155
get_FpX_var 6957551
RgX_div 7000642
vecsmall_lexcmp 7043252
ell_get_a2 7106189
ZM_lll 7117843
RgX_gtofp 7144818
znstar_get_faN 7331711
ell_get_b2 7371030
ZX_is_monic 7374329
zc_to_ZC 7824514
vecsmall_to_col 7838696
znstar_get_conreycyc 7979693
F2m_coeff 8038938
Q_abs 8062658
mkintmod 8092697
ZV_ZV_mod 8131357
RgM_gtofp 8258086
Flx_equal1 8330194
gc_INT_affii 8485040
ell_get_a4 8536730
Flm_row 8741464
ell_get_a3 8814057
ell_get_a1 8997090
cxtofp 9079265
veclast 9372730
ismpzero 9584751
is_intreal_t 9584863
const_col 9729695
RgM_dimensions 9741716
nf_get_invzk 9767647
bnf_get_nf 9865143
mkvec4 10093849
ser_isexactzero 10120284
ell_get_a6 10370968
mkcol 10639680
ZC_hnfrem 10697329
mul_denom 10707608
ell_get_c4 11017681
Fp_addmul 11283543
vectrunc_init 11768816
pr_get_gen 12071149
abgrp_get_cyc 12230757
F2x_clear 12354052
F2v_clear 12354054
ell_get_type 12498850
nbits2nlong 12751570
pol0_F2x 13248064
ell_get_c6 13474081
gmax_shallow 13510197
modpr_get_T 13867062
closure_get_frame 14158155
zeromatcopy 14250227
rowpermute 14705363
Fp_div 15035245
Fp_divu 15129748
mkvec5 15185727
vectrunc_append 15851460
pr_get_e 16162137
ell_get_disc 16814875
matslice 16818497
normalize_frac 17205741
pr_is_inert 17223861
isint1 17584783
Fp_center_i 18043355
cxcompotor 18210216
qfb_disc 18502559
mkvecsmall4 18659106
const_vecsmall 19706304
vecpermute 20547845
Fp_double 20969185
Flx_div_pre 21684612
nf_get_M 21745672
RgM_shallowcopy 22179277
RgX_is_ZX 22423469
gmulgs 22554754
Fp_inv 23440598
nf_get_r1 23466098
ZV_isscalar 23674899
get_Flx_mod 25592063
pr_get_f 26443554
RgX_equal_var 26883025
shallowcopy 27631461
mkqfb 27930268
zerovec 28453585
modpr_get_pr 31236571
Fp_neg 31481694
hash_str_len 31544989
submulii 31982591
RgV_is_ZV 32158276
mkmat2 33654039
RgC_gtofp 34030431
const_vec 34475520
zero_zv 36734882
polx_Flx 37479574
lincombii 38221141
znstar_get_N 38655073
mkfrac 41636373
zeropol 42354021
powii 43130450
is_vec_t 43942455
closure_is_variadic 44790127
absfrac 46638743
guncloneNULL 47931143
pr_get_tau 49768773
mkmat22 50281775
ell_is_inf 52352630
QV_isscalar 54415322
pol1_Flx 55048287
zero_Flv 59674517
addmuliu_inplace 59708488
submuliu_inplace 60194729
F2x_copy 60452837
gtodouble 60780127
is_real_t 62062466
qfb_is_qfi 62330797
Fp_sqr 63946172
Fp_mulu 67555845
get_Flx_var 68342880
mkvec 71124837
nf_get_degree 71368720
Fp_center 77185741
vecsmallpermute 78701162
rowslice 79329253
sqrtr 80370584
perm_mul 80896574
Fp_red 82189469
get_Flx_degree 82227947
pol_0 82996660
gtos 85855689
is_noncalc_t 85871889
cxnorm 91200752
mkcomplex 91610454
pr_get_p 92750965
dbllog2r 92816813
nf_get_pol 98106479
vecsmalltrunc_append 100789727
F2v_set 101403816
cgiv 102674370
RgX_copy 103406704
pol0_Flx 103473018
prec2nbits 103961202
mkvecsmall3 104171826
vecsmall_prefixcmp 108088071
gc_all 109637948
F2x_renormalize 115238121
mkvec3 117737411
zerocol 122331079
gaddgs 123248644
both_odd 124025466
F2x_set 124764264
nchar2nlong 127390027
mkvecsmall 131634072
equalim1 139505353
bit_prec 143234110
FpX_renormalize 144195478
ZX_renormalize 154948816
mkcol2 156887597
nbrows 157458837
leading_coeff 170256917
Flx_copy 173148074
Fp_add 181183884
mkvec2 184802560
nbits2prec 186113823
vecsmalltrunc_init 189037329
Fp_mul 200838571
Fp_sub 203362041
mkvecsmall2 234814969
gtofp 254310975
gc_GEN 255531408
gmulgu 282059385
lg_increase 314253632
closure_get_data 321677611
closure_get_oper 321694292
closure_codestr 321707519
is_universal_constant 325854855
lgcols 351593334
closure_arity 371580666
is_scalar_t 375657568
bin_copy 496053384
pari_free 509454797
is_bigint 563358576
leafcopy_avma 576966788
vecslice 656229327
is_matvec_t 659718760
F2v_coeff 661322517
F2x_coeff 667940353
pari_malloc 745342225
pari_stack_new 925080387
GENbinbase 961898484
pari_stack_alloc 1019740463
pari_stack_base 1025322899
gc_leaf 1136099927
equali1 1174317283
nbits2extraprec 1457528705
gc_upto 1953439778
odd 2089738861
is_pm1 2205035095
lgpol 2683888688
isintzero 2843409084
bit_accuracy 3159506456
gc_INT 4110320143
prec2lg 4469550567
is_const_t 4896533573
degpol 5487138281
remsBIL 7998240960
icopy_avma 8039817284
divsBIL 8089210894
isonstack 8270575896
is_recursive_t 9235175594

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