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 30568-0d72d66ef5) Lines: 1420 1532 92.7 %
Date: 2025-12-01 09:22:22 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 8039736
F2m_copy 200552
F2m_flip 1554354
F2m_set 798
F2v_clear 12357654
F2v_coeff 661336973
F2v_copy 4487
F2v_ei 42
F2v_flip 1554354
F2v_set 101405856
F2v_to_F2x 37791
F2xX_shift 0
F2x_clear 12357644
F2x_coeff 667941108
F2x_copy 60436278
F2x_div 1571528
F2x_equal 4663312
F2x_equal1 2874063
F2x_flip 1554354
F2x_renormalize 115184334
F2x_set 124746379
F2xqX_div 33173
F3m_coeff 3256644
F3m_copy 0
F3m_set 0
Flm_copy 6435434
Flm_row 8742117
Flv_copy 2555240
Flx_constant 334026
Flx_copy 173805983
Flx_div 1999193
Flx_div_pre 21714623
Flx_equal1 8331034
Flx_lead 980674
Flx_mulu 1105484
FlxqX_div 0
FlxqX_div_pre 165412
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693193
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583049
FpX_renormalize 144586046
Fp_add 181739816
Fp_addmul 11438272
Fp_center 77181963
Fp_center_i 18032135
Fp_div 15034525
Fp_divu 15129001
Fp_double 22410903
Fp_halve 247348
Fp_inv 23444206
Fp_invsafe 1100571
Fp_mul 201148117
Fp_muls 17780
Fp_mulu 66974180
Fp_neg 31482284
Fp_red 82089639
Fp_sqr 65052013
Fp_sub 204257118
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 572206
FqX_Fq_mul 427282
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38563
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445101
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 367828
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 3106276
Fq_to_FpXQ 73792
GENbinbase 964548214
QV_isscalar 54418314
Q_abs 8064386
Q_abs_shallow 120243
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622140
RgC_gtofp 34038996
RgC_gtomp 574
RgM_dimensions 9742255
RgM_fpnorml2 22795
RgM_gtofp 8259416
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22178923
RgV_gtofp 56
RgV_is_QV 140791
RgV_is_ZV 32167328
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210303
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409348
RgX_div 7000740
RgX_equal_var 26883219
RgX_fpnorml2 61628
RgX_gtofp 7148037
RgX_is_QX 400152
RgX_is_ZX 22426232
RgX_is_monomial 1331762
RgX_is_rational 68327
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451713
Rg_to_Fq 756
ZC_hnfrem 10696656
ZM_ZV_mod 596633
ZM_hnfrem 363895
ZM_lll 7117625
ZV_ZV_mod 8131619
ZV_dvd 23485
ZV_isscalar 23235934
ZV_to_zv 3211422
ZXQ_mul 2162212
ZXQ_sqr 961148
ZX_equal1 12893
ZX_is_monic 7376178
ZX_renormalize 155040073
Z_ispower 98
Z_issquare 458924
abgrp_get_cyc 12231287
abgrp_get_gen 1765116
abgrp_get_no 355200
absfrac 46644827
absfrac_shallow 28237
addmuliu 535827
addmuliu_inplace 59768401
affc_fixlg 249624
affgr 898866
bid_get_MOD 2157261
bid_get_U 3680243
bid_get_arch 41188
bid_get_archp 2397081
bid_get_cyc 5739787
bid_get_fact 2498943
bid_get_fact2 2201586
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804639
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157988
bin_copy 497431542
bit_accuracy 3163454425
bit_accuracy_mul 3175472
bit_prec 142831272
bnf_get_clgp 5375641
bnf_get_cyc 3686688
bnf_get_fu 25859
bnf_get_fu_nocheck 289084
bnf_get_gen 1680406
bnf_get_logfu 2874804
bnf_get_nf 9865043
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367844
bnf_get_tuN 283003
bnf_get_tuU 303577
bnr_get_bid 2046145
bnr_get_bnf 3751405
bnr_get_clgp 2830276
bnr_get_cyc 2522592
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368175
bnr_get_no 277502
both_odd 123867885
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102281376
checkell_i 5593301
closure_arity 371444288
closure_codestr 321585414
closure_get_code 0
closure_get_data 321526983
closure_get_dbg 13621
closure_get_frame 14173483
closure_get_oper 321555130
closure_get_text 37051
closure_is_variadic 44826499
col_ei 5926980
coltrunc_init 740250
const_col 9730283
const_vec 34488895
const_vecsmall 19711480
constant_coeff 1441405
cxcompotor 18224906
cxnorm 91222621
cxtofp 9086667
cxtoreal 337206
cyc_get_expo 2757834
cyclic_perm 99911
dbllog2r 92836199
degpol 5492977752
div_content 58576
divsBIL 8096181231
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997093
ell_get_a2 7106187
ell_get_a3 8814061
ell_get_a4 8536728
ell_get_a6 10370966
ell_get_b2 7371036
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017701
ell_get_c6 13474112
ell_get_disc 16814775
ell_get_j 2126227
ell_get_type 12499294
ell_is_inf 52476918
ellff_get_a4a6 800040
ellff_get_field 2036879
ellinf 1869522
ellnf_get_bnf 126
ellnf_get_nf 2027619
equali1 1175736450
equalim1 139505814
err_get_compo 294
err_get_num 62522
gaddgs 123248592
gal_get_den 27880
gal_get_e 91
gal_get_gen 15449
gal_get_group 80400
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 256229088
gc_INT 4110537911
gc_INT_affii 8500584
gc_all 110026243
gc_leaf 1130575566
gc_slice 2204973
gc_upto 1951085725
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 761922
gdivsg 531592
gen_I 1269861
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929089
get_F2x_mod 2499219
get_F2x_var 2534263
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 81849171
get_Flx_mod 25608889
get_Flx_var 68414619
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 6424970
get_FpX_mod 3394590
get_FpX_var 6958004
gisdouble 2992091
gmax_shallow 13510226
gmaxsg 0
gmin_shallow 878381
gminsg 0
gmulgs 22531162
gmulgu 282059385
gsubgs 1724799
gtodouble 60801443
gtofp 254364847
gtomp 22428
gtos 85854587
gtou 98306
guncloneNULL 48235655
guncloneNULL_deep 1449914
gval 6230
hash_str 2756815
hash_str_len 31551538
icopy_avma 8042226344
idealchineseinit 5427
idealred 138713
identity_ZV 8113
identity_perm 3242508
identity_zv 3266858
inf_get_sign 1453140
inv_content 0
is_bigint 562960200
is_const_t 4893883585
is_extscalar_t 6876
is_intreal_t 9586356
is_matvec_t 659526301
is_noncalc_t 85877881
is_pm1 2203129333
is_qfb_t 0
is_rational_t 5035634
is_real_t 62063900
is_recursive_t 9240173775
is_scalar_t 375678485
is_universal_constant 325891903
is_vec_t 43946353
isint1 17587279
isintm1 5711332
isintzero 2842435097
ismpzero 9586247
isonstack 8263071876
killblock 1933139
leading_coeff 170556590
leafcopy_avma 577351790
lg_increase 319124617
lgcols 350839283
lgpol 2678009000
lincombii 38200803
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 754916
matpascal 3983
matslice 16822590
mkcol 10641475
mkcol2 156874544
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33541
mkcols 40411
mkcomplex 91644739
mkerr 0
mkfrac 41638332
mkfraccopy 4999333
mkfracss 1209563
mkintmod 8092724
mkintmodu 1813
mkmat 4751230
mkmat2 33663867
mkmat22 50278859
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122266
mkmoo 108855
mkoo 1332035
mkpadic 2009
mkpolmod 3105223
mkqfb 27928601
mkquad 69118
mkrfrac 698438
mkrfraccopy 14
mkvec 71127553
mkvec2 185454515
mkvec2copy 114620
mkvec2s 220438
mkvec3 116425245
mkvec3s 524441
mkvec4 10107018
mkvec4s 21
mkvec5 15186988
mkveccopy 122521
mkvecs 168
mkvecsmall 131707991
mkvecsmall2 233667098
mkvecsmall3 104051482
mkvecsmall4 17826914
mkvecsmall5 1731109
modpr_get_T 13867916
modpr_get_p 1888614
modpr_get_pr 31238861
mul_content 2654965
mul_denom 10713267
mulsubii 3882707
nbits2extraprec 1456849230
nbits2ndec 228
nbits2nlong 12680428
nbits2prec 186139749
nbrows 157525109
nchar2nlong 127433233
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304151
nf_get_M 21308501
nf_get_Tr 22083
nf_get_degree 71370812
nf_get_diff 4459
nf_get_disc 463977
nf_get_index 3712346
nf_get_invzk 9769579
nf_get_pol 98084932
nf_get_r1 23029107
nf_get_r2 4154
nf_get_ramified_primes 64855
nf_get_roots 1628478
nf_get_roundG 1747474
nf_get_sign 519565
nf_get_varn 1503780
nf_get_zk 4382
nf_get_zkden 5464163
nf_get_zkprimpart 5418403
normalize_frac 17205885
odd 2085136064
pari_calloc 47699
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 510856521
pari_malloc 746744252
pari_realloc 1890
pari_realloc_ip 2268692
pari_stack_alloc 1019779875
pari_stack_base 1025433987
pari_stack_delete 5649338
pari_stack_init 6086909
pari_stack_new 925134753
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782849
perm_mul 80925057
perm_sqr 728
pol0_F2x 13250907
pol0_Flx 103531967
pol1_F2x 3958215
pol1_Flx 55091894
pol_0 83002358
pol_1 3756641
pol_x 3858421
pol_xn 2249972
pol_xnall 294
polx_F2x 1079220
polx_Flx 37837512
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178759
pr_get_e 16104984
pr_get_f 26349682
pr_get_gen 12069482
pr_get_p 92490072
pr_get_tau 49576530
pr_is_inert 17150254
pr_norm 1090159
prec2lg 4467953340
prec2nbits 103965962
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475535
qfb_disc 18514529
qfb_disc3 4995247
qfb_is_qfi 62948041
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006141004
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 764005
row_i 987
rowcopy 204988
rowpermute 14710093
rowslice 79340987
rowslicepermute 184916
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27642768
sqrfrac 4148193
sqrti 6666892
sqrtnr 2809537
sqrtr 80384346
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60258469
truecoef 0
trunc_safe 0
ulogint 1722216
upr_norm 346134
uutoQ 1600198
vec_append 3465729
vec_ei 1714745
vec_lengthen 18946
vec_prepend 313988
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036869
veclast 9372759
vecmodii 0
vecmoduu 49784
vecpermute 20546416
vecreverse 697235
vecreverse_inplace 2605
vecslice 656198502
vecslicepermute 2690878
vecsmall_append 4111404
vecsmall_coincidence 0
vecsmall_concat 1464374
vecsmall_copy 4404912
vecsmall_ei 584725
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164496
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74584
vecsmall_to_col 7838699
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78729515
vecsmalltrunc_append 101514605
vecsmalltrunc_init 190900830
vecsplice 384939
vectrunc_append 16161349
vectrunc_append_batch 12306
vectrunc_init 12067344
zc_to_ZC 7824519
zero_F2m 0
zero_F2m_copy 845229
zero_F2v 3648438
zero_F2x 1350
zero_Flm 2830020
zero_Flm_copy 235943
zero_Flv 59571817
zero_Flx 1426769
zero_zm 0
zero_zv 36746603
zero_zx 0
zerocol 122351964
zeromat 109125
zeromatcopy 14251286
zeropadic 855773
zeropadic_shallow 17024
zeropol 42358717
zeroser 138908
zerovec 28455846
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 2183983
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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