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 30574-595e4ba651) Lines: 1420 1532 92.7 %
Date: 2025-12-17 09:21:45 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 8039448
F2m_copy 200553
F2m_flip 1554224
F2m_set 798
F2v_clear 12357356
F2v_coeff 661335072
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101405545
F2v_to_F2x 37878
F2xX_shift 0
F2x_clear 12357329
F2x_coeff 667965678
F2x_copy 60446316
F2x_div 1570553
F2x_equal 4660755
F2x_equal1 2874136
F2x_flip 1554224
F2x_renormalize 115225854
F2x_set 124763939
F2xqX_div 33173
F3m_coeff 3256665
F3m_copy 0
F3m_set 0
Flm_copy 6435458
Flm_row 8742718
Flv_copy 2555213
Flx_constant 334004
Flx_copy 173823544
Flx_div 1999131
Flx_div_pre 21715546
Flx_equal1 8331276
Flx_lead 980508
Flx_mulu 1105364
FlxqX_div 0
FlxqX_div_pre 165411
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693202
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583057
FpX_renormalize 144593724
Fp_add 181652253
Fp_addmul 11392874
Fp_center 77196229
Fp_center_i 18011705
Fp_div 15035046
Fp_divu 15129540
Fp_double 22345862
Fp_halve 247348
Fp_inv 23444539
Fp_invsafe 1100574
Fp_mul 201070919
Fp_muls 17780
Fp_mulu 67762063
Fp_neg 31483799
Fp_red 82087908
Fp_sqr 65040165
Fp_sub 204137039
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 572232
FqX_Fq_mul 427276
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 445097
FqX_factor 141079
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 367830
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 3106015
Fq_to_FpXQ 73792
GENbinbase 964569145
QV_isscalar 54419259
Q_abs 8064405
Q_abs_shallow 120246
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622152
RgC_gtofp 34046063
RgC_gtomp 574
RgM_dimensions 9742666
RgM_fpnorml2 22795
RgM_gtofp 8260353
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179280
RgV_gtofp 56
RgV_is_QV 140788
RgV_is_ZV 32167322
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210307
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409231
RgX_div 7000739
RgX_equal_var 26883200
RgX_fpnorml2 61627
RgX_gtofp 7147865
RgX_is_QX 400154
RgX_is_ZX 22425967
RgX_is_monomial 1331749
RgX_is_rational 68325
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451732
Rg_to_Fq 756
ZC_hnfrem 10696899
ZM_ZV_mod 596659
ZM_hnfrem 363871
ZM_lll 7118172
ZV_ZV_mod 8131653
ZV_dvd 23485
ZV_isscalar 23236097
ZV_to_zv 3211420
ZXQ_mul 2162206
ZXQ_sqr 961138
ZX_equal1 12893
ZX_is_monic 7376188
ZX_renormalize 155054152
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12231289
abgrp_get_gen 1765129
abgrp_get_no 355198
absfrac 46644838
absfrac_shallow 28237
addmuliu 535854
addmuliu_inplace 59716034
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157262
bid_get_U 3680245
bid_get_arch 41188
bid_get_archp 2397074
bid_get_cyc 5739776
bid_get_fact 2498953
bid_get_fact2 2201581
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804625
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157998
bin_copy 497441033
bit_accuracy 3164034550
bit_accuracy_mul 3175472
bit_prec 142853772
bnf_get_clgp 5375668
bnf_get_cyc 3686701
bnf_get_fu 25859
bnf_get_fu_nocheck 289083
bnf_get_gen 1680415
bnf_get_logfu 2874788
bnf_get_nf 9865049
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367846
bnf_get_tuN 283004
bnf_get_tuU 303579
bnr_get_bid 2046140
bnr_get_bnf 3751392
bnr_get_clgp 2830283
bnr_get_cyc 2522596
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368170
bnr_get_no 277499
both_odd 124106924
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975458
cgiv 102289639
checkell_i 5593440
closure_arity 371321827
closure_codestr 321456358
closure_get_code 0
closure_get_data 321409340
closure_get_dbg 13621
closure_get_frame 14173531
closure_get_oper 321437783
closure_get_text 37051
closure_is_variadic 44826665
col_ei 5926999
coltrunc_init 740250
const_col 9730256
const_vec 34490588
const_vecsmall 19711445
constant_coeff 1441417
cxcompotor 18222412
cxnorm 91219729
cxtofp 9085406
cxtoreal 337206
cyc_get_expo 2757847
cyclic_perm 99911
dbllog2r 92834432
degpol 5500923209
div_content 58573
divsBIL 8098081701
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997083
ell_get_a2 7106190
ell_get_a3 8814050
ell_get_a4 8536731
ell_get_a6 10370969
ell_get_b2 7371021
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017941
ell_get_c6 13474274
ell_get_disc 16814811
ell_get_j 2126227
ell_get_type 12499594
ell_is_inf 52434251
ellff_get_a4a6 800033
ellff_get_field 2036878
ellinf 1869577
ellnf_get_bnf 126
ellnf_get_nf 2027598
equali1 1175759602
equalim1 139505725
err_get_compo 294
err_get_num 62523
gaddgs 123248587
gal_get_den 27880
gal_get_e 91
gal_get_gen 15449
gal_get_group 80397
gal_get_invvdm 27887
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36343
gal_get_roots 32759
gc_GEN 256224153
gc_INT 4110890960
gc_INT_affii 8502602
gc_all 110027067
gc_leaf 1132538779
gc_slice 2204863
gc_upto 1951266139
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 761919
gdivsg 531592
gen_I 1269849
gener_Fq_local 29945
gequalgs 29176
get_F2x_degree 1929116
get_F2x_mod 2499258
get_F2x_var 2534320
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82288058
get_Flx_mod 25610538
get_Flx_var 68418714
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 6424918
get_FpX_mod 3394586
get_FpX_var 6958195
gisdouble 2993503
gmax_shallow 13510224
gmaxsg 0
gmin_shallow 878397
gminsg 0
gmulgs 22625231
gmulgu 282059385
gsubgs 1724798
gtodouble 60797425
gtofp 254419671
gtomp 22428
gtos 85854526
gtou 98311
guncloneNULL 48219943
guncloneNULL_deep 1433551
gval 6230
hash_str 2756815
hash_str_len 31551673
icopy_avma 8042863237
idealchineseinit 5427
idealred 138710
identity_ZV 8113
identity_perm 3242919
identity_zv 3267269
inf_get_sign 1453091
inv_content 0
is_bigint 563010896
is_const_t 4895152627
is_extscalar_t 6876
is_intreal_t 9586662
is_matvec_t 659403405
is_noncalc_t 85879426
is_pm1 2203904830
is_qfb_t 0
is_rational_t 5035721
is_real_t 62063581
is_recursive_t 9240442861
is_scalar_t 375677734
is_universal_constant 325848348
is_vec_t 43956037
isint1 17587290
isintm1 5711221
isintzero 2843605256
ismpzero 9586561
isonstack 8265418245
killblock 1927483
leading_coeff 170557238
leafcopy_avma 577782097
lg_increase 316209758
lgcols 350859624
lgpol 2681407088
lincombii 38227113
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 754920
matpascal 3983
matslice 16824090
mkcol 10641551
mkcol2 156882915
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33539
mkcols 40411
mkcomplex 91637349
mkerr 0
mkfrac 41644480
mkfraccopy 4999559
mkfracss 1209563
mkintmod 8092630
mkintmodu 1813
mkmat 4751399
mkmat2 33663658
mkmat22 50282678
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122259
mkmoo 108853
mkoo 1331979
mkpadic 2009
mkpolmod 3105224
mkqfb 27929127
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71130425
mkvec2 184881320
mkvec2copy 114621
mkvec2s 220438
mkvec3 117744059
mkvec3s 524441
mkvec4 10107061
mkvec4s 21
mkvec5 15187062
mkveccopy 122521
mkvecs 168
mkvecsmall 131710271
mkvecsmall2 233665132
mkvecsmall3 104057266
mkvecsmall4 17828451
mkvecsmall5 1731091
modpr_get_T 13867900
modpr_get_p 1888613
modpr_get_pr 31238784
mul_content 2655039
mul_denom 10713545
mulsubii 3882345
nbits2extraprec 1457131900
nbits2ndec 228
nbits2nlong 12682351
nbits2prec 186162683
nbrows 157543672
nchar2nlong 127441346
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304177
nf_get_M 21308551
nf_get_Tr 22081
nf_get_degree 71371701
nf_get_diff 4459
nf_get_disc 463978
nf_get_index 3712365
nf_get_invzk 9769429
nf_get_pol 98085798
nf_get_r1 23029120
nf_get_r2 4154
nf_get_ramified_primes 64850
nf_get_roots 1628507
nf_get_roundG 1747504
nf_get_sign 519564
nf_get_varn 1503762
nf_get_zk 4382
nf_get_zkden 5464199
nf_get_zkprimpart 5418355
normalize_frac 17206371
odd 2083830122
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 510841561
pari_malloc 746739470
pari_realloc 1890
pari_realloc_ip 2268257
pari_stack_alloc 1019573871
pari_stack_base 1025181873
pari_stack_delete 5608793
pari_stack_init 6086548
pari_stack_new 924898951
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782993
perm_mul 80932071
perm_sqr 728
pol0_F2x 13249755
pol0_Flx 103535460
pol1_F2x 3958639
pol1_Flx 55095288
pol_0 83002081
pol_1 3756654
pol_x 3858376
pol_xn 2249983
pol_xnall 294
polx_F2x 1078749
polx_Flx 37841047
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178787
pr_get_e 16105456
pr_get_f 26350364
pr_get_gen 12069656
pr_get_p 92491468
pr_get_tau 49577762
pr_is_inert 17150597
pr_norm 1090191
prec2lg 4469463617
prec2nbits 103971256
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475522
qfb_disc 18514425
qfb_disc3 4995517
qfb_is_qfi 62949453
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8008115193
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
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 786030
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845164
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764002
row_i 987
rowcopy 204988
rowpermute 14711041
rowslice 79349974
rowslicepermute 185027
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27643162
sqrfrac 4148056
sqrti 6666960
sqrtnr 2809761
sqrtr 80385450
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60213192
truecoef 0
trunc_safe 0
ulogint 1709535
upr_norm 346134
uutoQ 1600198
vec_append 3465672
vec_ei 1714699
vec_lengthen 18946
vec_prepend 313990
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036836
veclast 9372769
vecmodii 0
vecmoduu 49784
vecpermute 20548209
vecreverse 697235
vecreverse_inplace 2605
vecslice 656295077
vecslicepermute 2691798
vecsmall_append 4111399
vecsmall_coincidence 0
vecsmall_concat 1464449
vecsmall_copy 4404949
vecsmall_ei 584699
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043248
vecsmall_max 1164639
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74585
vecsmall_to_col 7838956
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78736469
vecsmalltrunc_append 101416604
vecsmalltrunc_init 189551343
vecsplice 384919
vectrunc_append 16160294
vectrunc_append_batch 12306
vectrunc_init 12065616
zc_to_ZC 7824775
zero_F2m 0
zero_F2m_copy 845234
zero_F2v 3648422
zero_F2x 1350
zero_Flm 2830480
zero_Flm_copy 235946
zero_Flv 59575194
zero_Flx 1426840
zero_zm 0
zero_zv 36748692
zero_zx 0
zerocol 122366608
zeromat 109126
zeromatcopy 14252614
zeropadic 855503
zeropadic_shallow 17024
zeropol 42358523
zeroser 138908
zerovec 28455755
zerovec_block 28947
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 2183993
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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