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 30582-6e9af8ee1d) Lines: 1421 1535 92.6 %
Date: 2025-12-20 09:23:49 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 8035195
F2m_copy 200497
F2m_flip 1552756
F2m_set 798
F2v_clear 12353602
F2v_coeff 661306484
F2v_copy 4487
F2v_ei 42
F2v_flip 1552756
F2v_set 101401058
F2v_to_F2x 37490
F2xX_shift 0
F2x_clear 12353604
F2x_coeff 667875421
F2x_copy 59644557
F2x_div 1555140
F2x_equal 4596176
F2x_equal1 2873883
F2x_flip 1552756
F2x_renormalize 114220558
F2x_set 124503423
F2xqX_div 33173
F3m_coeff 3256661
F3m_copy 0
F3m_set 0
Flm_copy 6435695
Flm_row 8742493
Flv_copy 2555169
Flx_constant 334002
Flx_copy 173889753
Flx_div 1999517
Flx_div_pre 21723592
Flx_equal1 8330914
Flx_lead 979733
Flx_mulu 1105382
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694204
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583289
FpX_renormalize 144478739
Fp_add 181787876
Fp_addmul 11412838
Fp_center 77214590
Fp_center_i 18004983
Fp_div 15035161
Fp_divu 15129597
Fp_double 22351130
Fp_halve 247341
Fp_inv 23445574
Fp_invsafe 1100588
Fp_mul 201104301
Fp_muls 17780
Fp_mulu 67978419
Fp_neg 31480435
Fp_red 82109184
Fp_sqr 65211055
Fp_sub 204160669
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 572207
FqX_Fq_mul 427288
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 445087
FqX_factor 141072
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 367814
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 3106285
Fq_to_FpXQ 73792
GENbinbase 966920446
QV_isscalar 54417089
Q_abs 8065052
Q_abs_shallow 120243
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622063
RgC_gtofp 34044962
RgC_gtomp 574
RgM_dimensions 9742377
RgM_fpnorml2 22788
RgM_gtofp 8260042
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179106
RgV_gtofp 56
RgV_is_QV 140757
RgV_is_ZV 32177740
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210289
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409612
RgX_div 7000739
RgX_equal_var 26883204
RgX_fpnorml2 61663
RgX_gtofp 7147559
RgX_is_QX 400306
RgX_is_ZX 22426069
RgX_is_monomial 1331789
RgX_is_rational 68301
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451542
Rg_to_Fq 756
ZC_hnfrem 10696202
ZM_ZV_mod 596631
ZM_hnfrem 363863
ZM_lll 7117949
ZV_ZV_mod 8131651
ZV_dvd 23485
ZV_isscalar 23235111
ZV_to_zv 3211415
ZXQ_mul 2162585
ZXQ_sqr 961374
ZX_equal1 12808
ZX_is_monic 7376188
ZX_renormalize 155034981
Z_ispower 98
Z_issquare 458916
abgrp_get_cyc 12231286
abgrp_get_gen 1765071
abgrp_get_no 355207
absfrac 46647182
absfrac_shallow 28237
addmuliu 535721
addmuliu_inplace 59685452
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157270
bid_get_U 3680245
bid_get_arch 41188
bid_get_archp 2397119
bid_get_cyc 5739810
bid_get_fact 2498953
bid_get_fact2 2201593
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804667
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157996
bin_copy 498675190
bit_accuracy 3163219818
bit_accuracy_mul 3175442
bit_prec 142852213
bnf_get_clgp 5375538
bnf_get_cyc 3686635
bnf_get_fu 25859
bnf_get_fu_nocheck 289098
bnf_get_gen 1680358
bnf_get_logfu 2874799
bnf_get_nf 9864916
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367806
bnf_get_tuN 283006
bnf_get_tuU 303584
bnr_get_bid 2046120
bnr_get_bnf 3751389
bnr_get_clgp 2830268
bnr_get_cyc 2522595
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77133
bnr_get_nf 1368137
bnr_get_no 277495
both_odd 123956881
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975459
cgiv 102267854
checkell_i 5593417
closure_arity 371172322
closure_codestr 321283857
closure_get_code 0
closure_get_data 321248317
closure_get_dbg 13621
closure_get_frame 14176489
closure_get_oper 321267045
closure_get_text 37051
closure_is_variadic 44832518
col_ei 5926754
coltrunc_init 740250
const_col 9730285
const_vec 34491867
const_vecsmall 19711771
constant_coeff 1441513
cxcompotor 18219225
cxnorm 91213838
cxtofp 9083772
cxtoreal 337206
cyc_get_expo 2757799
cyclic_perm 99911
dbllog2r 92836138
degpol 5511050586
div_content 58559
divsBIL 8098211070
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997076
ell_get_a2 7106183
ell_get_a3 8814044
ell_get_a4 8536724
ell_get_a6 10370962
ell_get_b2 7371023
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017873
ell_get_c6 13474235
ell_get_disc 16814911
ell_get_j 2126227
ell_get_type 12499509
ell_is_inf 53082351
ellff_get_a4a6 800023
ellff_get_field 2036854
ellinf 1869701
ellnf_get_bnf 126
ellnf_get_nf 2027618
equali1 1176768474
equalim1 139505944
err_get_compo 294
err_get_num 62523
gaddgs 123248610
gal_get_den 27874
gal_get_e 91
gal_get_gen 15442
gal_get_group 80395
gal_get_invvdm 27881
gal_get_mod 23765
gal_get_orders 6678
gal_get_p 6013
gal_get_pol 36330
gal_get_roots 32746
gc_GEN 256666483
gc_INT 4112122763
gc_INT_affii 8499751
gc_all 110429992
gc_leaf 1137291896
gc_slice 2204940
gc_upto 1952496965
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 761911
gdivsg 531592
gen_I 1269797
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1928901
get_F2x_mod 2499123
get_F2x_var 2534229
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82377793
get_Flx_mod 25612199
get_Flx_var 68425677
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 6424620
get_FpX_mod 3394607
get_FpX_var 6957907
gisdouble 2992846
gmax_shallow 13510213
gmaxsg 0
gmin_shallow 878654
gminsg 0
gmulgs 22605306
gmulgu 282059385
gsubgs 1724811
gtodouble 60799564
gtofp 254410268
gtomp 22428
gtos 85855915
gtou 99702
guncloneNULL 48164230
guncloneNULL_deep 1446333
gval 6230
hash_str 2756815
hash_str_len 31551752
icopy_avma 8046719740
idealchineseinit 5427
idealred 138684
identity_ZV 8113
identity_perm 3242833
identity_zv 3267183
inf_get_sign 1453141
inv_content 0
is_bigint 563029916
is_const_t 4893650159
is_extscalar_t 6876
is_intreal_t 9586287
is_matvec_t 659275050
is_noncalc_t 85878134
is_pm1 2203595888
is_qfb_t 0
is_rational_t 5036197
is_real_t 62063261
is_recursive_t 9244161018
is_scalar_t 375698766
is_universal_constant 325748282
is_vec_t 43961326
isint1 17587281
isintm1 5711159
isintzero 2843154378
ismpzero 9586174
isonstack 8272505406
killblock 1932185
leading_coeff 170500971
leafcopy_avma 577988505
lg_increase 319913236
lgcols 350872349
lgpol 2687089198
lincombii 38218754
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 754873
matpascal 3983
matslice 16822974
mkcol 10641390
mkcol2 156867021
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232561
mkcolcopy 33535
mkcols 40411
mkcomplex 91632466
mkerr 0
mkfrac 41644716
mkfraccopy 4999239
mkfracss 1209563
mkintmod 8092556
mkintmodu 1813
mkmat 4751199
mkmat2 33663308
mkmat22 50281318
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122236
mkmoo 108819
mkoo 1332070
mkpadic 2009
mkpolmod 3105426
mkqfb 27928915
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71127700
mkvec2 185655429
mkvec2copy 114611
mkvec2s 220475
mkvec3 117985701
mkvec3s 524441
mkvec4 10116132
mkvec4s 21
mkvec5 15186857
mkvec5s 0
mkvec6 0
mkvec6s 322
mkveccopy 122521
mkvecs 168
mkvecsmall 131655893
mkvecsmall2 234716658
mkvecsmall3 104699082
mkvecsmall4 18525316
mkvecsmall5 1734967
modpr_get_T 13867876
modpr_get_p 1888530
modpr_get_pr 31238686
mul_content 2654894
mul_denom 10713733
mulsubii 3882905
nbits2extraprec 1457133342
nbits2ndec 228
nbits2nlong 12721907
nbits2prec 186166125
nbrows 157513198
nchar2nlong 127438575
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304147
nf_get_M 21307521
nf_get_Tr 22082
nf_get_degree 71369246
nf_get_diff 4452
nf_get_disc 464019
nf_get_index 3712266
nf_get_invzk 9769216
nf_get_pol 98082826
nf_get_r1 23028161
nf_get_r2 4154
nf_get_ramified_primes 64883
nf_get_roots 1628455
nf_get_roundG 1747455
nf_get_sign 519563
nf_get_varn 1503761
nf_get_zk 4382
nf_get_zkden 5463909
nf_get_zkprimpart 5418129
normalize_frac 17205788
odd 2094101393
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 512077008
pari_malloc 747969085
pari_realloc 1890
pari_realloc_ip 2268752
pari_stack_alloc 1019529499
pari_stack_base 1025112845
pari_stack_delete 5623906
pari_stack_init 6087967
pari_stack_new 924812205
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782893
perm_mul 80940812
perm_sqr 728
pol0_F2x 13186304
pol0_Flx 103475252
pol1_F2x 3957552
pol1_Flx 55101625
pol_0 83001884
pol_1 3756579
pol_x 3858571
pol_xn 2250050
pol_xnall 294
polx_F2x 1072919
polx_Flx 37843712
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43215244
pr_get_e 16103303
pr_get_f 26345137
pr_get_gen 12068768
pr_get_p 92480611
pr_get_tau 49567476
pr_is_inert 17147368
pr_norm 1089994
prec2lg 4468739782
prec2nbits 103972164
prec2nbits_mul 581166
prec2ndec 9778
precdbl 475493
qfb_disc 18523709
qfb_disc3 4995385
qfb_is_qfi 63386802
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8007215961
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 764078
row_i 987
rowcopy 204988
rowpermute 14710443
rowslice 79350063
rowslicepermute 184883
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27652922
sqrfrac 4148194
sqrti 6666791
sqrtnr 2809549
sqrtr 80386678
sstoQ 1097215
sturm 385
submulii 32844572
submuliu 7665
submuliu_inplace 60176727
truecoef 0
trunc_safe 0
ulogint 1720520
upr_norm 346136
uutoQ 1600198
vec_append 3465821
vec_ei 1714897
vec_lengthen 18981
vec_prepend 313998
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036845
veclast 9372734
vecmodii 0
vecmoduu 49784
vecpermute 20545625
vecreverse 697235
vecreverse_inplace 2605
vecslice 656284783
vecslicepermute 2691165
vecsmall_append 4110617
vecsmall_coincidence 0
vecsmall_concat 1464406
vecsmall_copy 4404397
vecsmall_ei 584745
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164720
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186984
vecsmall_reverse 3059
vecsmall_shorten 75918
vecsmall_to_col 7838593
vecsmall_to_vec 511823
vecsmall_to_vec_inplace 3304
vecsmallpermute 78745296
vecsmalltrunc_append 101806028
vecsmalltrunc_init 191629413
vecsplice 384929
vectrunc_append 16166083
vectrunc_append_batch 12376
vectrunc_init 12061298
zc_to_ZC 7824411
zero_F2m 0
zero_F2m_copy 845088
zero_F2v 3647829
zero_F2x 1350
zero_Flm 2830535
zero_Flm_copy 238669
zero_Flv 59644752
zero_Flx 1426807
zero_zm 0
zero_zv 36729774
zero_zx 0
zerocol 122360104
zeromat 109147
zeromatcopy 14251855
zeropadic 855435
zeropadic_shallow 17024
zeropol 42358506
zeroser 138908
zerovec 28455770
zerovec_block 29507
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 2183910
zv_to_ZV 503024
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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