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 30547-1b347192b6) Lines: 1420 1532 92.7 %
Date: 2025-11-12 09:22:59 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 8039187
F2m_copy 200499
F2m_flip 1554224
F2m_set 798
F2v_clear 12355557
F2v_coeff 661329633
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101404268
F2v_to_F2x 37792
F2xX_shift 0
F2x_clear 12355564
F2x_coeff 667872927
F2x_copy 60397177
F2x_div 1570209
F2x_equal 4657662
F2x_equal1 2874131
F2x_flip 1554224
F2x_renormalize 115211045
F2x_set 124731553
F2xqX_div 33173
F3m_coeff 3256705
F3m_copy 0
F3m_set 0
Flm_copy 6433586
Flm_row 8742366
Flv_copy 2555321
Flx_constant 333153
Flx_copy 173776285
Flx_div 1999028
Flx_div_pre 21700079
Flx_equal1 8327471
Flx_lead 979634
Flx_mulu 1105132
FlxqX_div 0
FlxqX_div_pre 165414
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693634
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581075
FpX_renormalize 144589363
Fp_add 181799484
Fp_addmul 11422504
Fp_center 77226176
Fp_center_i 18050881
Fp_div 15036181
Fp_divu 15135909
Fp_double 22427537
Fp_halve 247348
Fp_inv 23437919
Fp_invsafe 1100358
Fp_mul 201177734
Fp_muls 17780
Fp_mulu 70665334
Fp_neg 31485890
Fp_red 82095657
Fp_sqr 64996019
Fp_sub 203750623
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 572120
FqX_Fq_mul 427286
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 445049
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 367816
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 3106457
Fq_to_FpXQ 73792
GENbinbase 964295710
QV_isscalar 54401363
Q_abs 8062588
Q_abs_shallow 120243
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622066
RgC_gtofp 34011549
RgC_gtomp 574
RgM_dimensions 9742130
RgM_fpnorml2 22781
RgM_gtofp 8252430
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22170097
RgV_gtofp 56
RgV_is_QV 140763
RgV_is_ZV 32164053
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210305
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103405403
RgX_div 7000740
RgX_equal_var 26880619
RgX_fpnorml2 61607
RgX_gtofp 7147778
RgX_is_QX 400126
RgX_is_ZX 22421862
RgX_is_monomial 1331703
RgX_is_rational 68305
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451313
Rg_to_Fq 756
ZC_hnfrem 10690829
ZM_ZV_mod 596594
ZM_hnfrem 363860
ZM_lll 7112513
ZV_ZV_mod 8131259
ZV_dvd 23485
ZV_isscalar 23098298
ZV_to_zv 3211414
ZXQ_mul 2162033
ZXQ_sqr 961086
ZX_equal1 12711
ZX_is_monic 7375997
ZX_renormalize 155012367
Z_ispower 98
Z_issquare 458926
abgrp_get_cyc 12230244
abgrp_get_gen 1765028
abgrp_get_no 355187
absfrac 46641946
absfrac_shallow 28237
addmuliu 541056
addmuliu_inplace 59771804
affc_fixlg 249621
affgr 898866
bid_get_MOD 2157275
bid_get_U 3680248
bid_get_arch 41188
bid_get_archp 2397115
bid_get_cyc 5739590
bid_get_fact 2498937
bid_get_fact2 2201599
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804443
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157998
bin_copy 497300004
bit_accuracy 3162773528
bit_accuracy_mul 3175472
bit_prec 142668262
bnf_get_clgp 5374930
bnf_get_cyc 3686074
bnf_get_fu 25859
bnf_get_fu_nocheck 289085
bnf_get_gen 1680316
bnf_get_logfu 2874715
bnf_get_nf 9863733
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367777
bnf_get_tuN 283000
bnf_get_tuU 303578
bnr_get_bid 2045866
bnr_get_bnf 3750905
bnr_get_clgp 2830000
bnr_get_cyc 2522326
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368106
bnr_get_no 277496
both_odd 123916232
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975459
cgiv 102119935
checkell_i 5593289
closure_arity 371351666
closure_codestr 321476170
closure_get_code 0
closure_get_data 321439629
closure_get_dbg 13621
closure_get_frame 14169476
closure_get_oper 321463599
closure_get_text 37051
closure_is_variadic 40168048
col_ei 5925854
coltrunc_init 740250
const_col 9729856
const_vec 34480871
const_vecsmall 19706132
constant_coeff 1441502
cxcompotor 18217475
cxnorm 90945174
cxtofp 9082854
cxtoreal 337206
cyc_get_expo 2757788
cyclic_perm 99911
dbllog2r 92829917
degpol 5518381523
div_content 58477
divsBIL 8097451176
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997062
ell_get_a2 7106152
ell_get_a3 8814030
ell_get_a4 8536693
ell_get_a6 10370931
ell_get_b2 7371040
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017739
ell_get_c6 13474159
ell_get_disc 16814895
ell_get_j 2126227
ell_get_type 12499350
ell_is_inf 52468213
ellff_get_a4a6 800036
ellff_get_field 2036861
ellinf 1869915
ellnf_get_bnf 126
ellnf_get_nf 2027585
equali1 1175177986
equalim1 139504523
err_get_compo 294
err_get_num 62529
gaddgs 123247582
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 256163278
gc_INT 4104968968
gc_INT_affii 8490418
gc_all 109991666
gc_leaf 1137606619
gc_slice 2204954
gc_upto 1949118826
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 761920
gdivsg 531591
gen_I 1269841
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1928976
get_F2x_mod 2499216
get_F2x_var 2534118
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83631937
get_Flx_mod 25599775
get_Flx_var 68355586
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 6424426
get_FpX_mod 3394330
get_FpX_var 6957930
gisdouble 2987667
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 878316
gminsg 0
gmulgs 22474452
gmulgu 282059385
gsubgs 1724810
gtodouble 60799505
gtofp 254271552
gtomp 22428
gtos 85854568
gtou 98308
guncloneNULL 48225418
guncloneNULL_deep 1440798
gval 6230
hash_str 2756815
hash_str_len 31549729
icopy_avma 8035950535
idealchineseinit 5427
idealred 138525
identity_ZV 8113
identity_perm 3242524
identity_zv 3266873
inf_get_sign 1453114
inv_content 0
is_bigint 562588862
is_const_t 4888447452
is_extscalar_t 6876
is_intreal_t 9583761
is_matvec_t 659415288
is_noncalc_t 85862577
is_pm1 2203856117
is_qfb_t 0
is_rational_t 5035302
is_real_t 62063855
is_recursive_t 9238101700
is_scalar_t 375665577
is_universal_constant 325878199
is_vec_t 43940237
isint1 17585299
isintm1 5711172
isintzero 2837771447
ismpzero 9583654
isonstack 8261610372
killblock 1929517
leading_coeff 170556095
leafcopy_avma 577048147
lg_increase 315468912
lgcols 350241222
lgpol 2691760252
lincombii 38194659
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 755031
matpascal 3983
matslice 16817639
mkcol 10640910
mkcol2 156852058
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33505
mkcols 40411
mkcomplex 91629566
mkerr 0
mkfrac 41638438
mkfraccopy 4999055
mkfracss 1209563
mkintmod 8092738
mkintmodu 1813
mkmat 4750836
mkmat2 33658778
mkmat22 50273565
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122242
mkmoo 108849
mkoo 1332009
mkpadic 2009
mkpolmod 3105019
mkqfb 27920039
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71140042
mkvec2 184946163
mkvec2copy 114573
mkvec2s 220418
mkvec3 121968271
mkvec3s 524441
mkvec4 10106080
mkvec4s 21
mkvec5 15184921
mkveccopy 122521
mkvecs 168
mkvecsmall 131665503
mkvecsmall2 233600638
mkvecsmall3 104037282
mkvecsmall4 17836531
mkvecsmall5 1731081
modpr_get_T 13867559
modpr_get_p 1888431
modpr_get_pr 31237941
mul_content 2654089
mul_denom 10709836
mulsubii 3881788
nbits2extraprec 1456568052
nbits2ndec 228
nbits2nlong 12647088
nbits2prec 186125487
nbrows 157466939
nchar2nlong 127406287
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26299
nf_get_G 303611
nf_get_M 21172097
nf_get_Tr 22083
nf_get_degree 71350626
nf_get_diff 4438
nf_get_disc 463866
nf_get_index 3711294
nf_get_invzk 9765403
nf_get_pol 98056421
nf_get_r1 22892611
nf_get_r2 4154
nf_get_ramified_primes 64812
nf_get_roots 1627870
nf_get_roundG 1746630
nf_get_sign 519553
nf_get_varn 1503569
nf_get_zk 4382
nf_get_zkden 5462124
nf_get_zkprimpart 5416338
normalize_frac 17204631
odd 2084907255
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 510706457
pari_malloc 746592196
pari_realloc 1890
pari_realloc_ip 2267615
pari_stack_alloc 1019625656
pari_stack_base 1025220755
pari_stack_delete 5620192
pari_stack_init 6083789
pari_stack_new 924931710
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782855
perm_mul 80928346
perm_sqr 728
pol0_F2x 13240215
pol0_Flx 103490730
pol1_F2x 3957281
pol1_Flx 55054383
pol_0 83001694
pol_1 3756332
pol_x 3858227
pol_xn 2249948
pol_xnall 294
polx_F2x 1078490
polx_Flx 37822727
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178423
pr_get_e 15952701
pr_get_f 26040973
pr_get_gen 12062070
pr_get_p 91708856
pr_get_tau 48872028
pr_is_inert 16910260
pr_norm 1088589
prec2lg 4466966802
prec2nbits 103957647
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475514
qfb_disc 18514510
qfb_disc3 4990966
qfb_is_qfi 62946025
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006398045
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 764010
row_i 987
rowcopy 204988
rowpermute 14709405
rowslice 79337920
rowslicepermute 184802
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27640012
sqrfrac 4148208
sqrti 6665656
sqrtnr 2807599
sqrtr 80367337
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60263680
truecoef 0
trunc_safe 0
ulogint 1722293
upr_norm 346133
uutoQ 1600198
vec_append 3465615
vec_ei 1714654
vec_lengthen 18946
vec_prepend 313990
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036844
veclast 9372662
vecmodii 0
vecmoduu 49784
vecpermute 20530265
vecreverse 697235
vecreverse_inplace 2605
vecslice 655999986
vecslicepermute 2690034
vecsmall_append 4111371
vecsmall_coincidence 0
vecsmall_concat 1464420
vecsmall_copy 4404182
vecsmall_ei 584702
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043255
vecsmall_max 1164533
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74580
vecsmall_to_col 7837912
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78732714
vecsmalltrunc_append 101489891
vecsmalltrunc_init 190000486
vecsplice 384908
vectrunc_append 16161723
vectrunc_append_batch 12306
vectrunc_init 12065006
zc_to_ZC 7823732
zero_F2m 0
zero_F2m_copy 845110
zero_F2v 3648092
zero_F2x 1350
zero_Flm 2830151
zero_Flm_copy 235921
zero_Flv 59495079
zero_Flx 1427041
zero_zm 0
zero_zv 36736174
zero_zx 0
zerocol 122287386
zeromat 109120
zeromatcopy 14240442
zeropadic 855524
zeropadic_shallow 17024
zeropol 42358638
zeroser 138908
zerovec 28455584
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 2184061
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16