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 30497-174c393803) Lines: 1422 1532 92.8 %
Date: 2025-09-15 09:23:33 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 8037351
F2m_copy 200495
F2m_flip 1553738
F2m_set 798
F2v_clear 12354922
F2v_coeff 661319323
F2v_copy 4487
F2v_ei 42
F2v_flip 1553738
F2v_set 101402997
F2v_to_F2x 37738
F2xX_shift 0
F2x_clear 12354914
F2x_coeff 667880831
F2x_copy 59769537
F2x_div 1559109
F2x_equal 4610378
F2x_equal1 2874148
F2x_flip 1553738
F2x_renormalize 114350007
F2x_set 124533214
F2xqX_div 33173
F3m_coeff 3256716
F3m_copy 0
F3m_set 0
Flm_copy 6433455
Flm_row 8741859
Flv_copy 2555424
Flx_constant 332028
Flx_copy 173782644
Flx_div 1998998
Flx_div_pre 21702441
Flx_equal1 8327273
Flx_lead 980377
Flx_mulu 1105183
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693732
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5580901
FpX_renormalize 144587417
Fp_add 181592771
Fp_addmul 11384393
Fp_center 77243448
Fp_center_i 18055585
Fp_div 15034942
Fp_divu 15134713
Fp_double 22251101
Fp_halve 247348
Fp_inv 23437805
Fp_invsafe 1100355
Fp_mul 201107199
Fp_muls 17780
Fp_mulu 67742675
Fp_neg 30904646
Fp_red 82092165
Fp_sqr 64658436
Fp_sub 203549835
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 572119
FqX_Fq_mul 427300
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38548
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445047
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 367814
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 3106415
Fq_to_FpXQ 73792
GENbinbase 964251668
QV_isscalar 54401132
Q_abs 8062687
Q_abs_shallow 120253
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622071
RgC_gtofp 34017505
RgC_gtomp 574
RgM_dimensions 9742394
RgM_fpnorml2 22780
RgM_gtofp 8253390
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169902
RgV_gtofp 56
RgV_is_QV 140761
RgV_is_ZV 32164036
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1210303
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669140
RgX_copy 103404320
RgX_div 7000740
RgX_equal_var 26880629
RgX_fpnorml2 61608
RgX_gtofp 7147375
RgX_is_QX 400117
RgX_is_ZX 22421849
RgX_is_monomial 1331238
RgX_is_rational 68305
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451274
Rg_to_Fq 756
ZC_hnfrem 10690792
ZM_ZV_mod 596623
ZM_hnfrem 363839
ZM_lll 7113070
ZV_ZV_mod 8131322
ZV_dvd 23485
ZV_isscalar 23098847
ZV_to_zv 3211415
ZXQ_mul 2162075
ZXQ_sqr 961082
ZX_equal1 12711
ZX_is_monic 7376008
ZX_renormalize 155004026
Z_ispower 98
Z_issquare 458926
abgrp_get_cyc 12230273
abgrp_get_gen 1765037
abgrp_get_no 355190
absfrac 46637917
absfrac_shallow 28237
addmuliu 541074
addmuliu_inplace 59707476
affc_fixlg 249590
affgr 898768
bid_get_MOD 2157264
bid_get_U 3680245
bid_get_arch 41188
bid_get_archp 2397132
bid_get_cyc 5739603
bid_get_fact 2498951
bid_get_fact2 2201587
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804455
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157994
bin_copy 497280573
bit_accuracy 3159905652
bit_accuracy_mul 3175436
bit_prec 143028611
bnf_get_clgp 5374944
bnf_get_cyc 3686076
bnf_get_fu 25859
bnf_get_fu_nocheck 289078
bnf_get_gen 1680322
bnf_get_logfu 2874718
bnf_get_nf 9863731
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367780
bnf_get_tuN 283002
bnf_get_tuU 303584
bnr_get_bid 2045871
bnr_get_bnf 3750912
bnr_get_clgp 2830013
bnr_get_cyc 2522328
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368115
bnr_get_no 277497
both_odd 124031026
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975624
cgiv 102117435
checkell_i 5593365
closure_arity 370864309
closure_codestr 321013677
closure_get_code 0
closure_get_data 320969658
closure_get_dbg 13621
closure_get_frame 14147692
closure_get_oper 320994579
closure_get_text 37051
closure_is_variadic 40153049
col_ei 5925843
coltrunc_init 740250
const_col 9729862
const_vec 34472143
const_vecsmall 19663196
constant_coeff 1441491
cxcompotor 18216235
cxnorm 90944780
cxtofp 9082326
cxtoreal 337179
cyc_get_expo 2757785
cyclic_perm 99911
dbllog2r 94007429
degpol 5504710082
div_content 58476
divsBIL 8171696772
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8996370
ell_get_a2 7105468
ell_get_a3 8813338
ell_get_a4 8536009
ell_get_a6 10370247
ell_get_b2 7369849
ell_get_b4 2549033
ell_get_b6 3861932
ell_get_b8 3297414
ell_get_c4 10728695
ell_get_c6 12892076
ell_get_disc 16525558
ell_get_j 2126227
ell_get_type 12499533
ell_is_inf 52530339
ellff_get_a4a6 800030
ellff_get_field 2036859
ellinf 1868485
ellnf_get_bnf 126
ellnf_get_nf 2027603
equali1 1175162518
equalim1 139504316
err_get_compo 294
err_get_num 62529
gaddgs 123249100
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80394
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 256194272
gc_INT 4104811257
gc_INT_affii 8492627
gc_all 109993208
gc_leaf 1133628281
gc_slice 2204922
gc_upto 1949612304
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 761917
gdivsg 531335
gen_I 1269764
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1928971
get_F2x_mod 2499232
get_F2x_var 2534064
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82507188
get_Flx_mod 25601109
get_Flx_var 68361097
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 6424499
get_FpX_mod 3394325
get_FpX_var 6957949
gisdouble 2988431
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 876355
gminsg 0
gmulgs 22529526
gmulgu 282058132
gsubgs 1727500
gtodouble 60768201
gtofp 254268523
gtomp 22428
gtos 85833177
gtou 104252
guncloneNULL 48155092
guncloneNULL_deep 1385114
gval 5824
hash_str 2753015
hash_str_len 31542620
icopy_avma 8035841860
idealchineseinit 5427
idealred 138518
identity_ZV 8113
identity_perm 3242806
identity_zv 3267156
inf_get_sign 1453109
inv_content 0
is_bigint 562600980
is_const_t 4890960596
is_extscalar_t 6876
is_intreal_t 9584013
is_matvec_t 659568755
is_noncalc_t 85862876
is_pm1 2202264088
is_qfb_t 0
is_rational_t 5035208
is_real_t 62657948
is_recursive_t 9245338155
is_scalar_t 375643485
is_universal_constant 325720928
is_vec_t 43956149
isint1 17571647
isintm1 5703985
isintzero 2838989195
ismpzero 9583884
isonstack 8256967764
killblock 1901794
leading_coeff 170554309
leafcopy_avma 577010148
lg_increase 316241132
lgcols 350256744
lgpol 2679824656
lincombii 38197467
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 755028
matpascal 3885
matslice 16818821
mkcol 10640968
mkcol2 156923724
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33500
mkcols 40411
mkcomplex 91625547
mkerr 0
mkfrac 41639822
mkfraccopy 4999021
mkfracss 1209563
mkintmod 8092628
mkintmodu 1813
mkmat 4750904
mkmat2 33658494
mkmat22 50284993
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122224
mkmoo 108848
mkoo 1331998
mkpadic 2009
mkpolmod 3105020
mkqfb 27920696
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71132455
mkvec2 184690273
mkvec2copy 114571
mkvec2s 220420
mkvec3 118572187
mkvec3s 524441
mkvec4 10105876
mkvec4s 21
mkvec5 15184853
mkveccopy 122521
mkvecs 168
mkvecsmall 131625120
mkvecsmall2 233633414
mkvecsmall3 104053208
mkvecsmall4 17830409
mkvecsmall5 1730602
modpr_get_T 13867592
modpr_get_p 1888432
modpr_get_pr 31238067
mul_content 2654182
mul_denom 10709816
mulsubii 3882298
nbits2extraprec 1499257782
nbits2ndec 228
nbits2nlong 12647827
nbits2prec 187644870
nbrows 157478941
nchar2nlong 127395441
ndec2nbits 8270
ndec2nlong 41465
ndec2prec 33195
nfV_to_scalar_or_alg 26300
nf_get_G 303576
nf_get_M 21172644
nf_get_Tr 22079
nf_get_degree 71350529
nf_get_diff 4438
nf_get_disc 463865
nf_get_index 3711295
nf_get_invzk 9765408
nf_get_pol 98056530
nf_get_r1 22893116
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627840
nf_get_roundG 1746592
nf_get_sign 519552
nf_get_varn 1503583
nf_get_zk 4382
nf_get_zkden 5462128
nf_get_zkprimpart 5416312
normalize_frac 17204379
odd 2083862603
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 510601723
pari_malloc 746535185
pari_realloc 1890
pari_realloc_ip 2180304
pari_stack_alloc 1019027549
pari_stack_base 1024403275
pari_stack_delete 5401251
pari_stack_init 5835079
pari_stack_new 924398682
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782863
perm_mul 80931398
perm_sqr 728
pol0_F2x 13200871
pol0_Flx 103460858
pol1_F2x 3957306
pol1_Flx 55058653
pol_0 82998129
pol_1 3756341
pol_x 3856816
pol_xn 2249911
pol_xnall 294
polx_F2x 1074353
polx_Flx 37826067
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176778
pr_get_e 15952801
pr_get_f 26041078
pr_get_gen 12062150
pr_get_p 91709217
pr_get_tau 48872182
pr_is_inert 16910187
pr_norm 1088578
prec2lg 4513734039
prec2nbits 105722265
prec2nbits_mul 581138
prec2ndec 9778
precdbl 475481
qfb_disc 18514504
qfb_disc3 4991287
qfb_is_qfi 62956388
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8081830102
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 764006
row_i 987
rowcopy 204988
rowpermute 14709761
rowslice 79352267
rowslicepermute 184934
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27639941
sqrfrac 4148092
sqrti 6665693
sqrtnr 2807355
sqrtr 80374882
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60198191
truecoef 0
trunc_safe 0
ulogint 1712220
upr_norm 346135
uutoQ 1600142
vec_append 3465580
vec_ei 1714596
vec_lengthen 18946
vec_prepend 313994
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036837
veclast 9372666
vecmodii 0
vecmoduu 49784
vecpermute 20532546
vecreverse 697235
vecreverse_inplace 2605
vecslice 656316196
vecslicepermute 2690687
vecsmall_append 4111373
vecsmall_coincidence 0
vecsmall_concat 1464330
vecsmall_copy 4404240
vecsmall_ei 584699
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164600
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74580
vecsmall_to_col 7838101
vecsmall_to_vec 511571
vecsmall_to_vec_inplace 3304
vecsmallpermute 78736059
vecsmalltrunc_append 101551346
vecsmalltrunc_init 189492983
vecsplice 384901
vectrunc_append 16161592
vectrunc_append_batch 12306
vectrunc_init 12067215
zc_to_ZC 7823919
zero_F2m 0
zero_F2m_copy 845098
zero_F2v 3647999
zero_F2x 1350
zero_Flm 2830376
zero_Flm_copy 235923
zero_Flv 59485347
zero_Flx 1426910
zero_zm 0
zero_zv 36726286
zero_zx 0
zerocol 122298625
zeromat 109130
zeromatcopy 14241782
zeropadic 855610
zeropadic_shallow 17024
zeropol 42358604
zeroser 138824
zerovec 28455392
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 2184162
zv_to_ZV 502996
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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