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 30585-4c42182400) Lines: 1421 1535 92.6 %
Date: 2025-12-23 09:21:19 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
F2m_coeff 8036108
F2m_copy 200468
F2m_flip 1553413
F2m_set 798
F2v_clear 12352404
F2v_coeff 661305630
F2v_copy 4487
F2v_ei 42
F2v_flip 1553413
F2v_set 101401237
F2v_to_F2x 37652
F2xX_shift 0
F2x_clear 12352409
F2x_coeff 667871800
F2x_copy 59797858
F2x_div 1557248
F2x_equal 4607352
F2x_equal1 2874103
F2x_flip 1553413
F2x_renormalize 114412831
F2x_set 124549660
F2xqX_div 33173
F3m_coeff 3255865
F3m_copy 0
F3m_set 0
Flm_copy 6433540
Flm_row 8741295
Flv_copy 2554887
Flx_constant 334003
Flx_copy 173161176
Flx_div 1997993
Flx_div_pre 21683997
Flx_equal1 8329847
Flx_lead 979511
Flx_mulu 1105300
FlxqX_div 0
FlxqX_div_pre 165411
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693799
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581294
FpX_renormalize 144200730
Fp_add 181019234
Fp_addmul 11240513
Fp_center 77185633
Fp_center_i 18020395
Fp_div 15035312
Fp_divu 15129797
Fp_double 20876807
Fp_halve 247138
Fp_inv 23438676
Fp_invsafe 1100361
Fp_mul 200730795
Fp_muls 17780
Fp_mulu 66585230
Fp_neg 31479423
Fp_red 82188875
Fp_sqr 63736557
Fp_sub 203154586
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 571433
FqX_Fq_mul 427295
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38567
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 444663
FqX_factor 140946
FqX_factor_squarefree 7
FqX_gcd 8288
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367703
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4144
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 3106361
Fq_to_FpXQ 73792
GENbinbase 961449703
QV_isscalar 54415638
Q_abs 8062514
Q_abs_shallow 120231
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619838
RgC_gtofp 34029849
RgC_gtomp 574
RgM_dimensions 9741410
RgM_fpnorml2 22662
RgM_gtofp 8258007
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22174222
RgV_gtofp 56
RgV_is_QV 140731
RgV_is_ZV 32156430
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210276
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103407161
RgX_div 7000740
RgX_equal_var 26883192
RgX_fpnorml2 61496
RgX_gtofp 7144691
RgX_is_QX 399929
RgX_is_ZX 22423604
RgX_is_monomial 1331765
RgX_is_rational 68164
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451146
Rg_to_Fq 756
ZC_hnfrem 10695838
ZM_ZV_mod 596458
ZM_hnfrem 363780
ZM_lll 7116681
ZV_ZV_mod 8131430
ZV_dvd 23485
ZV_isscalar 23234025
ZV_to_zv 3211405
ZXQ_mul 2161162
ZXQ_sqr 960403
ZX_equal1 12850
ZX_is_monic 7374315
ZX_renormalize 154973672
Z_ispower 98
Z_issquare 458665
abgrp_get_cyc 12231170
abgrp_get_gen 1765025
abgrp_get_no 354929
absfrac 46638204
absfrac_shallow 28237
addmuliu 535763
addmuliu_inplace 59710884
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157247
bid_get_U 3680223
bid_get_arch 41187
bid_get_archp 2397084
bid_get_cyc 5739779
bid_get_fact 2498906
bid_get_fact2 2201566
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804631
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157970
bin_copy 495825184
bit_accuracy 3152098031
bit_accuracy_mul 3175472
bit_prec 142796840
bnf_get_clgp 5375421
bnf_get_cyc 3686577
bnf_get_fu 25859
bnf_get_fu_nocheck 289073
bnf_get_gen 1680312
bnf_get_logfu 2874752
bnf_get_nf 9864707
bnf_get_no 8365
bnf_get_reg 648
bnf_get_sunits 1367773
bnf_get_tuN 283003
bnf_get_tuU 303575
bnr_get_bid 2046090
bnr_get_bnf 3751382
bnr_get_clgp 2830216
bnr_get_cyc 2522544
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368094
bnr_get_no 277490
both_odd 123917339
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975459
cgiv 102244914
checkell_i 5593411
closure_arity 371436602
closure_codestr 321583802
closure_get_code 0
closure_get_data 321537485
closure_get_dbg 13621
closure_get_frame 14158157
closure_get_oper 321561385
closure_get_text 37051
closure_is_variadic 44788333
col_ei 5925160
coltrunc_init 740250
const_col 9729674
const_vec 34472575
const_vecsmall 19700773
constant_coeff 1441280
cxcompotor 18212507
cxnorm 91203645
cxtofp 9080420
cxtoreal 337206
cyc_get_expo 2757765
cyclic_perm 99911
dbllog2r 92818867
degpol 5482991637
div_content 58517
divsBIL 8084603285
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997074
ell_get_a2 7106182
ell_get_a3 8814041
ell_get_a4 8536723
ell_get_a6 10370961
ell_get_b2 7371021
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018254
ell_get_c6 13474684
ell_get_disc 16815476
ell_get_j 2126227
ell_get_type 12499463
ell_is_inf 52328096
ellff_get_a4a6 800020
ellff_get_field 2036851
ellinf 1869664
ellnf_get_bnf 126
ellnf_get_nf 2027609
equali1 1174058606
equalim1 139504944
err_get_compo 294
err_get_num 62522
gaddgs 123248616
gal_get_den 27866
gal_get_e 91
gal_get_gen 15435
gal_get_group 80388
gal_get_invvdm 27873
gal_get_mod 23758
gal_get_orders 6678
gal_get_p 6006
gal_get_pol 36315
gal_get_roots 32731
gc_GEN 255327330
gc_INT 4106827829
gc_INT_affii 8488506
gc_all 109576355
gc_leaf 1133323156
gc_slice 2204187
gc_upto 1951810288
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 243946
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 761918
gdivsg 531590
gen_I 1269705
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1928959
get_F2x_mod 2499218
get_F2x_var 2533869
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 81786952
get_Flx_mod 25593442
get_Flx_var 68348500
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 6424429
get_FpX_mod 3394361
get_FpX_var 6957647
gisdouble 2991542
gmax_shallow 13510199
gmaxsg 0
gmin_shallow 877645
gminsg 0
gmulgs 22535676
gmulgu 282059385
gsubgs 1724810
gtodouble 60782790
gtofp 254297566
gtomp 22428
gtos 85855550
gtou 99434
guncloneNULL 47930387
guncloneNULL_deep 1433473
gval 6230
hash_str 2756814
hash_str_len 31545534
icopy_avma 8034752298
idealchineseinit 5427
idealred 138670
identity_ZV 8113
identity_perm 3241148
identity_zv 3265498
inf_get_sign 1452925
inv_content 0
is_bigint 562902212
is_const_t 4893817450
is_extscalar_t 6876
is_intreal_t 9585719
is_matvec_t 659590388
is_noncalc_t 85875545
is_pm1 2202491514
is_qfb_t 0
is_rational_t 5032314
is_real_t 62062468
is_recursive_t 9233683586
is_scalar_t 375660320
is_universal_constant 325780607
is_vec_t 43950458
isint1 17585202
isintm1 5710250
isintzero 2842291477
ismpzero 9585621
isonstack 8263125221
killblock 1919493
leading_coeff 170260270
leafcopy_avma 577168629
lg_increase 314723167
lgcols 350601381
lgpol 2678685790
lincombii 38211044
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 754833
matpascal 3983
matslice 16818357
mkcol 10639936
mkcol2 156793393
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33535
mkcols 40411
mkcomplex 91620377
mkerr 0
mkfrac 41635538
mkfraccopy 4999458
mkfracss 1209563
mkintmod 8092528
mkintmodu 1813
mkmat 4751066
mkmat2 33651753
mkmat22 50249632
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122233
mkmoo 108780
mkoo 1331882
mkpadic 2009
mkpolmod 3104032
mkqfb 27928125
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71138916
mkvec2 184828792
mkvec2copy 114509
mkvec2s 220242
mkvec3 116362280
mkvec3s 524441
mkvec4 10092824
mkvec4s 21
mkvec5 15185840
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131572004
mkvecsmall2 234789579
mkvecsmall3 104181668
mkvecsmall4 18666698
mkvecsmall5 1717773
modpr_get_T 13867731
modpr_get_p 1888401
modpr_get_pr 31238464
mul_content 2654325
mul_denom 10711275
mulsubii 3881904
nbits2extraprec 1456986435
nbits2ndec 228
nbits2nlong 12750227
nbits2prec 186112457
nbrows 157435620
nchar2nlong 127383193
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303823
nf_get_M 21307150
nf_get_Tr 22083
nf_get_degree 71365915
nf_get_diff 4445
nf_get_disc 463495
nf_get_index 3711579
nf_get_invzk 9767736
nf_get_pol 98076158
nf_get_r1 23027601
nf_get_r2 4154
nf_get_ramified_primes 64645
nf_get_roots 1627894
nf_get_roundG 1747357
nf_get_sign 519551
nf_get_varn 1503740
nf_get_zk 4382
nf_get_zkden 5463583
nf_get_zkprimpart 5417782
normalize_frac 17205324
odd 2088025308
pari_calloc 47713
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2862
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 15370
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 509189781
pari_malloc 745087112
pari_realloc 1890
pari_realloc_ip 2256043
pari_stack_alloc 1019767772
pari_stack_base 1025290116
pari_stack_delete 5576818
pari_stack_init 6051121
pari_stack_new 925075371
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781893
perm_mul 80893501
perm_sqr 728
pol0_F2x 13193369
pol0_Flx 103418412
pol1_F2x 3957030
pol1_Flx 55052188
pol_0 83001152
pol_1 3755657
pol_x 3857481
pol_xn 2249698
pol_xnall 294
polx_F2x 1073205
polx_Flx 37481634
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43120000
pr_get_e 16102306
pr_get_f 26342726
pr_get_gen 12067500
pr_get_p 92476650
pr_get_tau 49565125
pr_is_inert 17146571
pr_norm 1089819
prec2lg 4468166125
prec2nbits 103962885
prec2nbits_mul 581166
prec2ndec 9778
precdbl 475380
qfb_disc 18501198
qfb_disc3 4995003
qfb_is_qfi 62260522
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7993689794
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506335
rnf_get_disc 357
rnf_get_idealdisc 1386
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1225
rnf_get_map 135659
rnf_get_nf 786086
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845192
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 763891
row_i 987
rowcopy 204988
rowpermute 14705344
rowslice 79321961
rowslicepermute 184709
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27625679
sqrfrac 4148172
sqrti 6664681
sqrtnr 2809079
sqrtr 80371216
sstoQ 1097215
sturm 385
submulii 32838964
submuliu 7700
submuliu_inplace 60192470
truecoef 0
trunc_safe 0
ulogint 1713571
upr_norm 346134
uutoQ 1600198
vec_append 3465039
vec_ei 1713887
vec_lengthen 18960
vec_prepend 313994
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036600
veclast 9372691
vecmodii 0
vecmoduu 49784
vecpermute 20542859
vecreverse 697235
vecreverse_inplace 2605
vecslice 656218196
vecslicepermute 2689356
vecsmall_append 4098898
vecsmall_coincidence 0
vecsmall_concat 1464196
vecsmall_copy 4403881
vecsmall_ei 584734
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043258
vecsmall_max 1164439
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75545
vecsmall_to_col 7838274
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78698210
vecsmalltrunc_append 100842626
vecsmalltrunc_init 189043746
vecsplice 384917
vectrunc_append 15848306
vectrunc_append_batch 9667
vectrunc_init 11767100
zc_to_ZC 7824094
zero_F2m 0
zero_F2m_copy 845010
zero_F2v 3647487
zero_F2x 1350
zero_Flm 2829193
zero_Flm_copy 238021
zero_Flv 59639096
zero_Flx 1426543
zero_zm 0
zero_zv 36718475
zero_zx 0
zerocol 122322610
zeromat 109153
zeromatcopy 14248694
zeropadic 855582
zeropadic_shallow 17024
zeropol 42358498
zeroser 138908
zerovec 28453518
zerovec_block 29619
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38655073
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7979693
znstar_get_conreygen 3290176
znstar_get_cyc 262088
znstar_get_faN 7331711
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2869063
zv_copy 2183625
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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