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 30550-07450a7a86) Lines: 1420 1532 92.7 %
Date: 2025-11-18 09:22:37 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 8039283
F2m_copy 200499
F2m_flip 1554251
F2m_set 798
F2v_clear 12355662
F2v_coeff 661330838
F2v_copy 4487
F2v_ei 42
F2v_flip 1554251
F2v_set 101404392
F2v_to_F2x 37833
F2xX_shift 0
F2x_clear 12355658
F2x_coeff 667913144
F2x_copy 60388649
F2x_div 1570662
F2x_equal 4658648
F2x_equal1 2874166
F2x_flip 1554251
F2x_renormalize 115200237
F2x_set 124750271
F2xqX_div 33173
F3m_coeff 3256707
F3m_copy 0
F3m_set 0
Flm_copy 6433707
Flm_row 8742339
Flv_copy 2555270
Flx_constant 334025
Flx_copy 173828369
Flx_div 1999027
Flx_div_pre 21708416
Flx_equal1 8331280
Flx_lead 980486
Flx_mulu 1105508
FlxqX_div 0
FlxqX_div_pre 165414
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693752
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581228
FpX_renormalize 144577989
Fp_add 181623659
Fp_addmul 11381523
Fp_center 77226785
Fp_center_i 18061361
Fp_div 15035349
Fp_divu 15129814
Fp_double 22343280
Fp_halve 247348
Fp_inv 23439886
Fp_invsafe 1100554
Fp_mul 201096536
Fp_muls 17780
Fp_mulu 67722211
Fp_neg 31480283
Fp_red 82083824
Fp_sqr 64676215
Fp_sub 203526930
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 427297
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38566
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445047
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 367817
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 3106242
Fq_to_FpXQ 73792
GENbinbase 964399534
QV_isscalar 54401346
Q_abs 8063958
Q_abs_shallow 120249
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622079
RgC_gtofp 34013409
RgC_gtomp 574
RgM_dimensions 9742073
RgM_fpnorml2 22788
RgM_gtofp 8252656
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22170939
RgV_gtofp 56
RgV_is_QV 140759
RgV_is_ZV 32166725
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103408889
RgX_div 7000740
RgX_equal_var 26882902
RgX_fpnorml2 61608
RgX_gtofp 7147559
RgX_is_QX 400137
RgX_is_ZX 22422448
RgX_is_monomial 1331795
RgX_is_rational 68313
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451406
Rg_to_Fq 756
ZC_hnfrem 10690748
ZM_ZV_mod 596611
ZM_hnfrem 363862
ZM_lll 7112591
ZV_ZV_mod 8131119
ZV_dvd 23485
ZV_isscalar 23097915
ZV_to_zv 3211415
ZXQ_mul 2162093
ZXQ_sqr 961098
ZX_equal1 12893
ZX_is_monic 7375991
ZX_renormalize 155010441
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12230221
abgrp_get_gen 1765034
abgrp_get_no 355188
absfrac 46643593
absfrac_shallow 28237
addmuliu 535800
addmuliu_inplace 59698299
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157256
bid_get_U 3680236
bid_get_arch 41188
bid_get_archp 2397103
bid_get_cyc 5739575
bid_get_fact 2498938
bid_get_fact2 2201574
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804429
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157986
bin_copy 497350424
bit_accuracy 3162874550
bit_accuracy_mul 3175472
bit_prec 142675806
bnf_get_clgp 5374934
bnf_get_cyc 3686070
bnf_get_fu 25859
bnf_get_fu_nocheck 289084
bnf_get_gen 1680319
bnf_get_logfu 2874731
bnf_get_nf 9863735
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367780
bnf_get_tuN 283003
bnf_get_tuU 303578
bnr_get_bid 2045863
bnr_get_bnf 3750911
bnr_get_clgp 2829994
bnr_get_cyc 2522319
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368108
bnr_get_no 277497
both_odd 123964881
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975459
cgiv 102121876
checkell_i 5593278
closure_arity 371293029
closure_codestr 321411593
closure_get_code 0
closure_get_data 321379005
closure_get_dbg 13621
closure_get_frame 14170116
closure_get_oper 321396314
closure_get_text 37051
closure_is_variadic 40168635
col_ei 5925854
coltrunc_init 740250
const_col 9729869
const_vec 34482930
const_vecsmall 19707406
constant_coeff 1441405
cxcompotor 18222392
cxnorm 90942052
cxtofp 9085299
cxtoreal 337206
cyc_get_expo 2757765
cyclic_perm 99911
dbllog2r 92830934
degpol 5502592477
div_content 58477
divsBIL 8096474110
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997058
ell_get_a2 7106155
ell_get_a3 8814026
ell_get_a4 8536696
ell_get_a6 10370934
ell_get_b2 7371033
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017911
ell_get_c6 13474339
ell_get_disc 16814846
ell_get_j 2126227
ell_get_type 12499239
ell_is_inf 52531345
ellff_get_a4a6 800033
ellff_get_field 2036866
ellinf 1869840
ellnf_get_bnf 126
ellnf_get_nf 2027603
equali1 1175182061
equalim1 139505725
err_get_compo 294
err_get_num 62523
gaddgs 123248614
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 256233186
gc_INT 4103464284
gc_INT_affii 8489916
gc_all 110008051
gc_leaf 1132548243
gc_slice 2204871
gc_upto 1949261209
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 761928
gdivsg 531591
gen_I 1269849
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929031
get_F2x_mod 2499248
get_F2x_var 2534137
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82261454
get_Flx_mod 25604994
get_Flx_var 68402028
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 6424838
get_FpX_mod 3394561
get_FpX_var 6957897
gisdouble 2987786
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 878334
gminsg 0
gmulgs 22510899
gmulgu 282059385
gsubgs 1724794
gtodouble 60798998
gtofp 254255577
gtomp 22428
gtos 85854576
gtou 98320
guncloneNULL 48227489
guncloneNULL_deep 1444933
gval 6230
hash_str 2756815
hash_str_len 31549911
icopy_avma 8035775717
idealchineseinit 5427
idealred 138527
identity_ZV 8113
identity_perm 3242603
identity_zv 3266953
inf_get_sign 1453148
inv_content 0
is_bigint 562623317
is_const_t 4888420870
is_extscalar_t 6876
is_intreal_t 9583694
is_matvec_t 659392980
is_noncalc_t 85864692
is_pm1 2202426498
is_qfb_t 0
is_rational_t 5035339
is_real_t 62063860
is_recursive_t 9239221263
is_scalar_t 375669536
is_universal_constant 325845810
is_vec_t 43935944
isint1 17586525
isintm1 5711201
isintzero 2837931509
ismpzero 9583578
isonstack 8254884779
killblock 1930687
leading_coeff 170559279
leafcopy_avma 576692991
lg_increase 318544299
lgcols 350252975
lgpol 2684480768
lincombii 38186357
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 754904
matpascal 3983
matslice 16817439
mkcol 10640982
mkcol2 156862237
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33506
mkcols 40411
mkcomplex 91640290
mkerr 0
mkfrac 41641997
mkfraccopy 4999312
mkfracss 1209563
mkintmod 8092620
mkintmodu 1813
mkmat 4750797
mkmat2 33658611
mkmat22 50277882
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122239
mkmoo 108849
mkoo 1332045
mkpadic 2009
mkpolmod 3105033
mkqfb 27919792
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71142662
mkvec2 185565961
mkvec2copy 114574
mkvec2s 220418
mkvec3 117700539
mkvec3s 524441
mkvec4 10106229
mkvec4s 21
mkvec5 15185223
mkveccopy 122521
mkvecs 168
mkvecsmall 131697278
mkvecsmall2 233648040
mkvecsmall3 104051918
mkvecsmall4 17831261
mkvecsmall5 1731100
modpr_get_T 13867683
modpr_get_p 1888432
modpr_get_pr 31238330
mul_content 2654170
mul_denom 10710041
mulsubii 3881270
nbits2extraprec 1456357566
nbits2ndec 228
nbits2nlong 12678379
nbits2prec 186143422
nbrows 157479143
nchar2nlong 127410808
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303562
nf_get_M 21171772
nf_get_Tr 22081
nf_get_degree 71350792
nf_get_diff 4438
nf_get_disc 463859
nf_get_index 3711351
nf_get_invzk 9765937
nf_get_pol 98058482
nf_get_r1 22892308
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627834
nf_get_roundG 1746601
nf_get_sign 519552
nf_get_varn 1503603
nf_get_zk 4382
nf_get_zkden 5462423
nf_get_zkprimpart 5416576
normalize_frac 17205087
odd 2085092613
pari_calloc 47685
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 15391
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510764949
pari_malloc 746650003
pari_realloc 1890
pari_realloc_ip 2267621
pari_stack_alloc 1019589096
pari_stack_base 1025180392
pari_stack_delete 5622423
pari_stack_init 6084479
pari_stack_new 924903242
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782892
perm_mul 80928593
perm_sqr 728
pol0_F2x 13243079
pol0_Flx 103524281
pol1_F2x 3957756
pol1_Flx 55084320
pol_0 83002146
pol_1 3756424
pol_x 3858317
pol_xn 2249957
pol_xnall 294
polx_F2x 1078690
polx_Flx 37835994
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178416
pr_get_e 15952927
pr_get_f 26041647
pr_get_gen 12062839
pr_get_p 91709211
pr_get_tau 48871855
pr_is_inert 16910189
pr_norm 1088528
prec2lg 4466159129
prec2nbits 103958243
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475514
qfb_disc 18514503
qfb_disc3 4990835
qfb_is_qfi 62951537
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8005488151
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 764011
row_i 987
rowcopy 204988
rowpermute 14709821
rowslice 79337754
rowslicepermute 185024
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27640287
sqrfrac 4148147
sqrti 6665997
sqrtnr 2808708
sqrtr 80367300
sstoQ 1097215
sturm 385
submulii 32847732
submuliu 7742
submuliu_inplace 60194423
truecoef 0
trunc_safe 0
ulogint 1726210
upr_norm 346135
uutoQ 1600198
vec_append 3465589
vec_ei 1714595
vec_lengthen 18946
vec_prepend 313997
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036844
veclast 9372664
vecmodii 0
vecmoduu 49784
vecpermute 20533661
vecreverse 697235
vecreverse_inplace 2605
vecslice 656053579
vecslicepermute 2690677
vecsmall_append 4111387
vecsmall_coincidence 0
vecsmall_concat 1464432
vecsmall_copy 4404227
vecsmall_ei 584720
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043252
vecsmall_max 1164724
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74579
vecsmall_to_col 7838245
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78733076
vecsmalltrunc_append 101455982
vecsmalltrunc_init 191266489
vecsplice 384907
vectrunc_append 16162054
vectrunc_append_batch 12306
vectrunc_init 12066585
zc_to_ZC 7824064
zero_F2m 0
zero_F2m_copy 845103
zero_F2v 3648070
zero_F2x 1350
zero_Flm 2830149
zero_Flm_copy 235918
zero_Flv 59497984
zero_Flx 1426866
zero_zm 0
zero_zv 36738669
zero_zx 0
zerocol 122292322
zeromat 109128
zeromatcopy 14240733
zeropadic 855675
zeropadic_shallow 17024
zeropol 42358742
zeroser 138908
zerovec 28455559
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 2184007
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16