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: 2025-11-01 09:21:23 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
F2m_coeff 8039172
F2m_copy 200493
F2m_flip 1554224
F2m_set 798
F2v_clear 12355525
F2v_coeff 661329298
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101404179
F2v_to_F2x 37896
F2xX_shift 0
F2x_clear 12355522
F2x_coeff 667899745
F2x_copy 60407245
F2x_div 1570267
F2x_equal 4658331
F2x_equal1 2874268
F2x_flip 1554224
F2x_renormalize 115209161
F2x_set 124742662
F2xqX_div 33173
F3m_coeff 3256761
F3m_copy 0
F3m_set 0
Flm_copy 6433590
Flm_row 8742434
Flv_copy 2555352
Flx_constant 333157
Flx_copy 173775433
Flx_div 1999014
Flx_div_pre 21702630
Flx_equal1 8327457
Flx_lead 980338
Flx_mulu 1105144
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693479
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581061
FpX_renormalize 144581751
Fp_add 181504700
Fp_addmul 11360113
Fp_center 77200449
Fp_center_i 18029671
Fp_div 15035452
Fp_divu 15135228
Fp_double 22281383
Fp_halve 247348
Fp_inv 23438042
Fp_invsafe 1100357
Fp_mul 201034681
Fp_muls 17780
Fp_mulu 70099154
Fp_neg 30905066
Fp_red 82088850
Fp_sqr 64466450
Fp_sub 203438650
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_mul 22766
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_Fp_mul 572114
FqX_Fq_mul 427291
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38544
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445050
FqX_factor 141051
FqX_factor_squarefree 7
FqX_gcd 8246
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367817
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4123
FqX_powu 1295
FqX_red 25354
FqX_rem 37743
FqX_roots 7273
FqX_sqr 71855
FqX_sub 68607
FqX_to_mod 175
FqXn_exp 0
FqXn_expint 6590
FqXn_inv 7126
FqXn_mul 263403
FqXn_sqr 0
Fq_red 3106424
Fq_to_FpXQ 73792
GENbinbase 964242190
QV_isscalar 54401196
Q_abs 8062540
Q_abs_shallow 120237
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622067
RgC_gtofp 34012806
RgC_gtomp 574
RgM_dimensions 9741934
RgM_fpnorml2 22780
RgM_gtofp 8252178
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169705
RgV_gtofp 56
RgV_is_QV 140759
RgV_is_ZV 32164055
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1210300
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669371
RgX_copy 103404713
RgX_div 7000740
RgX_equal_var 26880630
RgX_fpnorml2 61608
RgX_gtofp 7147746
RgX_is_QX 400124
RgX_is_ZX 22421709
RgX_is_monomial 1331313
RgX_is_rational 68303
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451300
Rg_to_Fq 756
ZC_hnfrem 10690701
ZM_ZV_mod 596598
ZM_hnfrem 363869
ZM_lll 7112322
ZV_ZV_mod 8131260
ZV_dvd 23485
ZV_isscalar 23098526
ZV_to_zv 3211413
ZXQ_mul 2162025
ZXQ_sqr 961078
ZX_equal1 12711
ZX_is_monic 7375984
ZX_renormalize 155021859
Z_ispower 98
Z_issquare 458924
abgrp_get_cyc 12230184
abgrp_get_gen 1765019
abgrp_get_no 355187
absfrac 46637699
absfrac_shallow 28237
addmuliu 541083
addmuliu_inplace 59705622
affc_fixlg 249594
affgr 898817
bid_get_MOD 2157247
bid_get_U 3680222
bid_get_arch 41187
bid_get_archp 2397071
bid_get_cyc 5739543
bid_get_fact 2498892
bid_get_fact2 2201569
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804396
bid_get_ideal 72842
bid_get_mod 1521919
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157974
bin_copy 497269554
bit_accuracy 3162305824
bit_accuracy_mul 3175454
bit_prec 142680666
bnf_get_clgp 5374907
bnf_get_cyc 3686058
bnf_get_fu 25859
bnf_get_fu_nocheck 289077
bnf_get_gen 1680306
bnf_get_logfu 2874704
bnf_get_nf 9863676
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367781
bnf_get_tuN 282998
bnf_get_tuU 303576
bnr_get_bid 2045863
bnr_get_bnf 3750902
bnr_get_clgp 2830015
bnr_get_cyc 2522335
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368108
bnr_get_no 277496
both_odd 123971106
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975432
cgiv 102120603
checkell_i 5593319
closure_arity 371300311
closure_codestr 321472286
closure_get_code 0
closure_get_data 321411671
closure_get_dbg 13621
closure_get_frame 14147691
closure_get_oper 321447982
closure_get_text 37051
closure_is_variadic 40153225
col_ei 5925785
coltrunc_init 740250
const_col 9729868
const_vec 34468852
const_vecsmall 19663471
constant_coeff 1441502
cxcompotor 18216055
cxnorm 90940426
cxtofp 9082218
cxtoreal 337179
cyc_get_expo 2757772
cyclic_perm 99911
dbllog2r 92816821
degpol 5519275791
div_content 58475
divsBIL 8093706441
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8996365
ell_get_a2 7105469
ell_get_a3 8813333
ell_get_a4 8536010
ell_get_a6 10370248
ell_get_b2 7369843
ell_get_b4 2549033
ell_get_b6 3861932
ell_get_b8 3297414
ell_get_c4 10728659
ell_get_c6 12892043
ell_get_disc 16525546
ell_get_j 2126227
ell_get_type 12499462
ell_is_inf 52515666
ellff_get_a4a6 800024
ellff_get_field 2036855
ellinf 1868486
ellnf_get_bnf 126
ellnf_get_nf 2027604
equali1 1175145718
equalim1 139504585
err_get_compo 294
err_get_num 62530
gaddgs 123245764
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80393
gal_get_invvdm 27881
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36337
gal_get_roots 32753
gc_GEN 256146375
gc_INT 4103263598
gc_INT_affii 8484358
gc_all 109991883
gc_leaf 1137884905
gc_slice 2204960
gc_upto 1948986793
gchar_copy_precs 1225
gchar_get_DLdata 190673
gchar_get_S 36995
gchar_get_U 0
gchar_get_Ui 10983
gchar_get_basis 32816
gchar_get_bnf 205373
gchar_get_cyc 16177
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50519
gchar_get_m0 3318
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2044
gchar_get_nc 37261
gchar_get_nf 243932
gchar_get_nfprec 13468
gchar_get_nfree 322
gchar_get_nm 1869
gchar_get_ns 36995
gchar_get_ntors 322
gchar_get_prec 18795
gchar_get_r1 17444
gchar_get_r2 623
gchar_get_sfu 1743
gchar_get_u0 4252
gchar_get_zm 281911
gchar_set_HUUi 630
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_set_evalprec 1813
gchar_set_m0 945
gchar_set_nalg 630
gchar_set_nf 2110
gchar_set_nfprec 2968
gchar_set_nfree 630
gchar_set_ntors 630
gchar_set_prec 1225
gchar_set_u0 2121
gcmpgs 761924
gdivsg 531143
gen_I 1269820
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929017
get_F2x_mod 2499288
get_F2x_var 2534144
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83705628
get_Flx_mod 25596529
get_Flx_var 68350389
get_FlxqX_degree 317565
get_FlxqX_mod 8033
get_FlxqX_var 264420
get_FpXQX_degree 3589
get_FpXQX_mod 146583
get_FpXQX_var 51630
get_FpX_degree 6424362
get_FpX_mod 3394335
get_FpX_var 6957981
gisdouble 2988032
gmax_shallow 13510220
gmaxsg 0
gmin_shallow 878323
gminsg 0
gmulgs 22520071
gmulgu 282058132
gsubgs 1724190
gtodouble 60764439
gtofp 254244711
gtomp 22428
gtos 85833287
gtou 98318
guncloneNULL 48158805
guncloneNULL_deep 1390186
gval 5824
hash_str 2754915
hash_str_len 31542883
icopy_avma 8035098344
idealchineseinit 5427
idealred 138518
identity_ZV 8113
identity_perm 3242820
identity_zv 3267169
inf_get_sign 1453105
inv_content 0
is_bigint 562561462
is_const_t 4889088895
is_extscalar_t 6876
is_intreal_t 9583729
is_matvec_t 659377163
is_noncalc_t 85861237
is_pm1 2203442392
is_qfb_t 0
is_rational_t 5035236
is_real_t 62063090
is_recursive_t 9238119289
is_scalar_t 375643221
is_universal_constant 325809052
is_vec_t 43979245
isint1 17571873
isintm1 5704219
isintzero 2838724440
ismpzero 9583622
isonstack 8259558501
killblock 1902452
leading_coeff 170555557
leafcopy_avma 576572151
lg_increase 315230285
lgcols 350243048
lgpol 2692186726
lincombii 38202838
locs_get_Lgenfil 1288
locs_get_Lsprk 193935
locs_get_cyc 52136
locs_get_famod 1288
locs_get_m_infty 209475
locs_get_mod 8225
logint 755029
matpascal 3885
matslice 16817953
mkcol 10640930
mkcol2 156911048
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33499
mkcols 40411
mkcomplex 91622590
mkerr 0
mkfrac 41640486
mkfraccopy 4999057
mkfracss 1209563
mkintmod 8092576
mkintmodu 1813
mkmat 4750740
mkmat2 33657948
mkmat22 50281419
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122220
mkmoo 108840
mkoo 1331998
mkpadic 2009
mkpolmod 3105018
mkqfb 27919238
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71123136
mkvec2 184811500
mkvec2copy 114568
mkvec2s 220419
mkvec3 122192585
mkvec3s 524441
mkvec4 10105913
mkvec4s 21
mkvec5 15184822
mkveccopy 122521
mkvecs 168
mkvecsmall 131663716
mkvecsmall2 233611139
mkvecsmall3 104051481
mkvecsmall4 17833088
mkvecsmall5 1730600
modpr_get_T 13867534
modpr_get_p 1888432
modpr_get_pr 31237886
mul_content 2654201
mul_denom 10709894
mulsubii 3882294
nbits2extraprec 1456317571
nbits2ndec 228
nbits2nlong 12647964
nbits2prec 186119270
nbrows 157473562
nchar2nlong 127395111
ndec2nbits 8270
ndec2nlong 41507
ndec2prec 33237
nfV_to_scalar_or_alg 26300
nf_get_G 303582
nf_get_M 21172340
nf_get_Tr 22082
nf_get_degree 71350431
nf_get_diff 4438
nf_get_disc 463852
nf_get_index 3711250
nf_get_invzk 9765241
nf_get_pol 98055450
nf_get_r1 22892827
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627822
nf_get_roundG 1746609
nf_get_sign 519551
nf_get_varn 1503567
nf_get_zk 4382
nf_get_zkden 5462148
nf_get_zkprimpart 5416282
normalize_frac 17204431
odd 2084676666
pari_calloc 47671
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2841
pari_err_FILE 0
pari_err_FILEDESC 36
pari_err_FLAG 98
pari_err_IMPL 539
pari_err_INV 20018
pari_err_IRREDPOL 63
pari_err_MAXPRIME 0
pari_err_MODULUS 1316
pari_err_OP 406
pari_err_OVERFLOW 156
pari_err_PACKAGE 0
pari_err_PREC 238
pari_err_PRIME 98
pari_err_PRIORITY 238
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15398
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510593782
pari_malloc 746521224
pari_realloc 1890
pari_realloc_ip 2179929
pari_stack_alloc 1019457866
pari_stack_base 1024836189
pari_stack_delete 5405838
pari_stack_init 5835400
pari_stack_new 924841430
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782940
perm_mul 80929727
perm_sqr 728
pol0_F2x 13243651
pol0_Flx 103501947
pol1_F2x 3957711
pol1_Flx 55050944
pol_0 82998288
pol_1 3756352
pol_x 3856866
pol_xn 2249943
pol_xnall 294
polx_F2x 1078470
polx_Flx 37824478
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176717
pr_get_e 15952588
pr_get_f 26040688
pr_get_gen 12062025
pr_get_p 91708216
pr_get_tau 48871343
pr_is_inert 16909947
pr_norm 1088558
prec2lg 4466930412
prec2nbits 103930711
prec2nbits_mul 581139
prec2ndec 9778
precdbl 475509
qfb_disc 18514442
qfb_disc3 4990564
qfb_is_qfi 62943657
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8003757086
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 350
rnf_get_idealdisc 1386
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1225
rnf_get_map 135659
rnf_get_nf 786030
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845157
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 763993
row_i 987
rowcopy 204988
rowpermute 14709734
rowslice 79336662
rowslicepermute 184636
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27639603
sqrfrac 4147746
sqrti 6665716
sqrtnr 2807589
sqrtr 80362879
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60200334
truecoef 0
trunc_safe 0
ulogint 1717214
upr_norm 346134
uutoQ 1600142
vec_append 3465545
vec_ei 1714618
vec_lengthen 18946
vec_prepend 313994
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036815
veclast 9372656
vecmodii 0
vecmoduu 49784
vecpermute 20528784
vecreverse 697235
vecreverse_inplace 2605
vecslice 656066591
vecslicepermute 2689369
vecsmall_append 4111384
vecsmall_coincidence 0
vecsmall_concat 1464432
vecsmall_copy 4404167
vecsmall_ei 584719
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164471
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74577
vecsmall_to_col 7837447
vecsmall_to_vec 511585
vecsmall_to_vec_inplace 3304
vecsmallpermute 78734146
vecsmalltrunc_append 101472139
vecsmalltrunc_init 189828148
vecsplice 384897
vectrunc_append 16161532
vectrunc_append_batch 12306
vectrunc_init 12066612
zc_to_ZC 7823266
zero_F2m 0
zero_F2m_copy 845092
zero_F2v 3648031
zero_F2x 1350
zero_Flm 2830402
zero_Flm_copy 235914
zero_Flv 59496214
zero_Flx 1426961
zero_zm 0
zero_zv 36736740
zero_zx 0
zerocol 122286261
zeromat 109142
zeromatcopy 14239850
zeropadic 855625
zeropadic_shallow 17023
zeropol 42358578
zeroser 138824
zerovec 28455355
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38653757
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7978902
znstar_get_conreygen 3289889
znstar_get_cyc 262088
znstar_get_faN 7330731
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2868790
zv_copy 2184091
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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