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 30316-0578a48613) Lines: 1420 1532 92.7 %
Date: 2025-06-03 09:18:42 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 8019565
F2m_copy 198008
F2m_flip 1553342
F2m_set 798
F2v_clear 12264045
F2v_coeff 660972207
F2v_copy 4487
F2v_ei 42
F2v_flip 1553352
F2v_set 101337468
F2v_to_F2x 37675
F2xX_shift 0
F2x_clear 12264048
F2x_coeff 667570773
F2x_copy 59624459
F2x_div 1553256
F2x_equal 4600780
F2x_equal1 2874020
F2x_flip 1553340
F2x_renormalize 114185204
F2x_set 124459979
F2xqX_div 33173
F3m_coeff 3247907
F3m_copy 0
F3m_set 0
Flm_copy 6274996
Flm_row 8741544
Flv_copy 2545356
Flx_constant 330238
Flx_copy 172055794
Flx_div 1995760
Flx_div_pre 21391631
Flx_equal1 8320359
Flx_lead 980048
Flx_mulu 1104792
FlxqX_div 0
FlxqX_div_pre 165414
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693413
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5441998
FpX_renormalize 145097226
Fp_add 171780024
Fp_addmul 11269701
Fp_center 75718636
Fp_center_i 14123718
Fp_div 15034485
Fp_divu 15134328
Fp_double 21037421
Fp_halve 246991
Fp_inv 23225152
Fp_invsafe 1099960
Fp_mul 199736296
Fp_muls 17780
Fp_mulu 67206288
Fp_neg 30199889
Fp_red 80784121
Fp_sqr 63979451
Fp_sub 203378668
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 568290
FqX_Fq_mul 427289
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38547
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 443112
FqX_factor 140938
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 367285
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 3106265
Fq_to_FpXQ 73792
GENbinbase 935714865
QV_isscalar 52367939
Q_abs 7936331
Q_abs_shallow 118665
Qtoss 19936
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 618281
RgC_gtofp 33711719
RgC_gtomp 574
RgM_dimensions 9408540
RgM_fpnorml2 22438
RgM_gtofp 8178126
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 21407452
RgV_gtofp 56
RgV_is_QV 140076
RgV_is_ZV 31476804
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1140180
RgXQX_div 1904
RgXQX_rem 126529
RgX_coeff 2551519
RgX_copy 103509893
RgX_div 7053727
RgX_equal_var 26927636
RgX_fpnorml2 60586
RgX_gtofp 7132123
RgX_is_QX 395889
RgX_is_ZX 20849479
RgX_is_monomial 1395663
RgX_is_rational 67736
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479266
RgX_shift_inplace_init 479266
RgX_to_RgV 140
Rg_col_ei 1308992
Rg_to_Fq 756
ZC_hnfrem 10191772
ZM_ZV_mod 540077
ZM_hnfrem 327103
ZM_lll 6933797
ZV_ZV_mod 7343367
ZV_dvd 23485
ZV_isscalar 22761837
ZV_to_zv 3191093
ZXQ_mul 2145423
ZXQ_sqr 951566
ZX_equal1 12679
ZX_is_monic 7328587
ZX_renormalize 157032417
Z_ispower 98
Z_issquare 458572
abgrp_get_cyc 11506075
abgrp_get_gen 1650856
abgrp_get_no 354830
absfrac 45595398
absfrac_shallow 27397
addmuliu 541110
addmuliu_inplace 59403993
affc_fixlg 249595
affgr 898789
bid_get_MOD 1994835
bid_get_U 3382315
bid_get_arch 31626
bid_get_archp 2222089
bid_get_cyc 5367598
bid_get_fact 2317580
bid_get_fact2 2029372
bid_get_gen 51933
bid_get_gen_nocheck 0
bid_get_grp 5420110
bid_get_ideal 72821
bid_get_mod 1386422
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 1995566
bin_copy 482378184
bit_accuracy 3130236828
bit_accuracy_mul 3175252
bit_prec 141561655
bnf_get_clgp 5098190
bnf_get_cyc 3511187
bnf_get_fu 25852
bnf_get_fu_nocheck 288399
bnf_get_gen 1578484
bnf_get_logfu 2702462
bnf_get_nf 9429101
bnf_get_no 8358
bnf_get_reg 641
bnf_get_sunits 1278297
bnf_get_tuN 265409
bnf_get_tuU 290750
bnr_get_bid 1941847
bnr_get_bnf 3594588
bnr_get_clgp 2640500
bnr_get_cyc 2345161
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 61579
bnr_get_nf 1269671
bnr_get_no 277496
both_odd 116810878
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973495
cgiv 100636050
checkell_i 4677436
closure_arity 368355499
closure_codestr 319595292
closure_get_code 0
closure_get_data 319560270
closure_get_dbg 13523
closure_get_frame 13065910
closure_get_oper 319576923
closure_get_text 36855
closure_is_variadic 40104055
col_ei 5680531
coltrunc_init 393680
const_col 9622843
const_vec 32853371
const_vecsmall 18987800
constant_coeff 1439888
cxcompotor 18005961
cxnorm 90687767
cxtofp 8978413
cxtoreal 394438
cyc_get_expo 2523354
cyclic_perm 99911
dbllog2r 93157444
degpol 5340624993
div_content 57985
divsBIL 8098736727
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232582
ellR_get_sign 371325
ell_get_a1 7116187
ell_get_a2 5709707
ell_get_a3 6912832
ell_get_a4 6522708
ell_get_a6 7961481
ell_get_b2 5432764
ell_get_b4 2135641
ell_get_b6 3055105
ell_get_b8 2608978
ell_get_c4 8021659
ell_get_c6 8850313
ell_get_disc 11279821
ell_get_j 1295726
ell_get_type 11588230
ell_is_inf 51336589
ellff_get_a4a6 800027
ellff_get_field 2036864
ellinf 1868486
ellnf_get_bnf 126
ellnf_get_nf 2027583
equali1 1289784955
equalim1 139010098
err_get_compo 294
err_get_num 62333
gaddgs 123175597
gal_get_den 27650
gal_get_e 91
gal_get_gen 15449
gal_get_group 80171
gal_get_invvdm 27657
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36113
gal_get_roots 32529
gc_GEN 249671139
gc_INT 4043079889
gc_INT_affii 8460745
gc_all 106202643
gc_leaf 1114573856
gc_slice 2202127
gc_upto 1906963483
gchar_copy_precs 1202
gchar_get_DLdata 188468
gchar_get_S 36865
gchar_get_U 0
gchar_get_Ui 10969
gchar_get_basis 32639
gchar_get_bnf 203105
gchar_get_cyc 16168
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50347
gchar_get_m0 3321
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2042
gchar_get_nc 37131
gchar_get_nf 241501
gchar_get_nfprec 13419
gchar_get_nfree 322
gchar_get_nm 1841
gchar_get_ns 36865
gchar_get_ntors 322
gchar_get_prec 18732
gchar_get_r1 17416
gchar_get_r2 623
gchar_get_sfu 1748
gchar_get_u0 4267
gchar_get_zm 279434
gchar_set_HUUi 623
gchar_set_basis 1573
gchar_set_cyc 1573
gchar_set_evalprec 1785
gchar_set_m0 950
gchar_set_nalg 623
gchar_set_nf 2077
gchar_set_nfprec 2950
gchar_set_nfree 623
gchar_set_ntors 623
gchar_set_prec 1202
gchar_set_u0 2093
gcmpgs 790658
gdivsg 529207
gen_I 1269479
gener_Fq_local 14595
gequalgs 29176
get_F2x_degree 1928995
get_F2x_mod 2499195
get_F2x_var 2532762
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 81767817
get_Flx_mod 25407963
get_Flx_var 67696707
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 6005975
get_FpX_mod 3393180
get_FpX_var 7236804
gisdouble 2967171
gmax_shallow 13509996
gmaxsg 0
gmin_shallow 874885
gminsg 0
gmulgs 22066647
gmulgu 124184326
gsubgs 1719789
gtodouble 60834032
gtofp 252760008
gtomp 22428
gtos 85805761
gtou 102700
guncloneNULL 47886468
guncloneNULL_deep 1378364
gval 5824
hash_str 2747301
hash_str_len 18212686
icopy_avma 7910604011
idealchineseinit 5427
idealred 138500
identity_ZV 4333
identity_perm 3130719
identity_zv 3155062
inf_get_sign 1195080
inv_content 0
is_bigint 558728321
is_const_t 4890760868
is_extscalar_t 6876
is_intreal_t 9574916
is_matvec_t 660306453
is_noncalc_t 85679876
is_pm1 2176035162
is_qfb_t 0
is_rational_t 5017163
is_real_t 62656161
is_recursive_t 9159214186
is_scalar_t 377647607
is_universal_constant 291002084
is_vec_t 43417520
isint1 17089456
isintm1 5702682
isintzero 2805635816
ismpzero 9574813
isonstack 8127816043
killblock 1888811
leading_coeff 169268909
leafcopy_avma 566336937
lg_increase 318323861
lgcols 341300732
lgpol 2627445477
lincombii 37857823
locs_get_Lgenfil 1260
locs_get_Lsprk 191695
locs_get_cyc 51955
locs_get_famod 1260
locs_get_m_infty 207235
locs_get_mod 8225
logint 752118
matpascal 3885
matslice 16604904
mkcol 10185106
mkcol2 154743893
mkcol2s 4415390
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232365
mkcolcopy 33523
mkcols 40411
mkcomplex 90069831
mkerr 0
mkfrac 41028247
mkfraccopy 4958943
mkfracss 1209444
mkintmod 7983937
mkintmodu 1813
mkmat 4610400
mkmat2 32557468
mkmat22 49796974
mkmat22s 207501
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 121000
mkmoo 105908
mkoo 1076905
mkpadic 2009
mkpolmod 3024833
mkqfb 27797977
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 68050616
mkvec2 183549398
mkvec2copy 114517
mkvec2s 220000
mkvec3 115010900
mkvec3s 524441
mkvec4 6646997
mkvec4s 21
mkvec5 14487622
mkveccopy 122507
mkvecs 168
mkvecsmall 129315695
mkvecsmall2 223798454
mkvecsmall3 100284140
mkvecsmall4 15467270
mkvecsmall5 692072
modpr_get_T 13192533
modpr_get_p 1888418
modpr_get_pr 30070482
mul_content 2512790
mul_denom 10293753
mulsubii 3849857
nbits2extraprec 1488250685
nbits2ndec 228
nbits2nlong 12577968
nbits2prec 186142599
nbrows 153702049
nchar2nlong 120823904
ndec2nbits 8270
ndec2nlong 41493
ndec2prec 33223
nfV_to_scalar_or_alg 26293
nf_get_G 301258
nf_get_M 20766848
nf_get_Tr 22083
nf_get_degree 68832874
nf_get_diff 4438
nf_get_disc 457223
nf_get_index 3580451
nf_get_invzk 9488014
nf_get_pol 94454406
nf_get_r1 22160908
nf_get_r2 4140
nf_get_ramified_primes 59415
nf_get_roots 1531649
nf_get_roundG 1686041
nf_get_sign 517051
nf_get_varn 1167782
nf_get_zk 4382
nf_get_zkden 5066564
nf_get_zkprimpart 5020713
normalize_frac 17001110
odd 2056152455
pari_calloc 47545
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2771
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 15384
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 495666881
pari_malloc 725995846
pari_realloc 1890
pari_realloc_ip 2148143
pari_stack_alloc 699002570
pari_stack_base 704362734
pari_stack_delete 5361575
pari_stack_init 5758105
pari_stack_new 605960867
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2778595
perm_mul 80185389
perm_sqr 728
pol0_F2x 13190898
pol0_Flx 101849753
pol1_F2x 3955063
pol1_Flx 54574937
pol_0 83281583
pol_1 4464367
pol_x 3564603
pol_xn 2232371
pol_xnall 294
polx_F2x 1070923
polx_Flx 37541938
polx_zx 0
polxn_Flx 371
powIs 1561
powii 42925498
pr_get_e 15719121
pr_get_f 25346889
pr_get_gen 11513107
pr_get_p 89383958
pr_get_tau 47845997
pr_is_inert 16402108
pr_norm 1066806
prec2lg 4476950298
prec2nbits 104963133
prec2nbits_mul 580919
prec2ndec 9778
precdbl 475328
qfb_disc 18474588
qfb_disc3 4847923
qfb_is_qfi 60853639
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8008231566
rnf_get_absdegree 1392746
rnf_get_alpha 1204
rnf_get_degree 2506083
rnf_get_disc 350
rnf_get_idealdisc 1386
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1225
rnf_get_map 135211
rnf_get_nf 733726
rnf_get_nfdegree 21231
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 6573
rnf_get_pol 2844933
rnf_get_polabs 314496
rnf_get_ramified_primes 2625
rnf_get_varn 574
rnf_get_zk 4606
row 762821
row_i 987
rowcopy 204988
rowpermute 14416108
rowslice 78350683
rowslicepermute 182495
rowsplice 273
ser_isexactzero 10079479
shallowcopy 25833644
sqrfrac 4136234
sqrti 6591243
sqrtnr 2795001
sqrtr 79986519
sstoQ 1074206
sturm 385
submulii 32799889
submuliu 7728
submuliu_inplace 59906998
truecoef 0
trunc_safe 0
ulogint 1721879
upr_norm 343931
uutoQ 158080619
vec_append 3432059
vec_ei 1711692
vec_lengthen 18941
vec_prepend 301295
vec_setconst 0
vec_shorten 11550
vec_to_vecsmall 4016040
veclast 6934491
vecmodii 0
vecmoduu 49784
vecpermute 19834049
vecreverse 697046
vecreverse_inplace 2570
vecslice 641754983
vecslicepermute 2647002
vecsmall_append 4078924
vecsmall_coincidence 0
vecsmall_concat 1464267
vecsmall_copy 4366199
vecsmall_ei 494147
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 526
vecsmall_lexcmp 7209171
vecsmall_max 1029950
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186767
vecsmall_reverse 3052
vecsmall_shorten 72789
vecsmall_to_col 7761441
vecsmall_to_vec 511088
vecsmall_to_vec_inplace 3304
vecsmallpermute 77990291
vecsmalltrunc_append 99609405
vecsmalltrunc_init 189834976
vecsplice 354706
vectrunc_append 15157589
vectrunc_append_batch 10213
vectrunc_init 11628866
zc_to_ZC 7747261
zero_F2m 0
zero_F2m_copy 840099
zero_F2v 3628135
zero_F2x 1350
zero_Flm 2785384
zero_Flm_copy 232303
zero_Flv 58756763
zero_Flx 1426015
zero_zm 0
zero_zv 36158893
zero_zx 0
zerocol 118832757
zeromat 109116
zeromatcopy 14026646
zeropadic 855681
zeropadic_shallow 17024
zeropol 42309303
zeroser 138810
zerovec 26645924
zerovec_block 28233
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 34545576
znstar_get_U 176051
znstar_get_Ui 46788
znstar_get_conreycyc 7824692
znstar_get_conreygen 3221961
znstar_get_cyc 261976
znstar_get_faN 7211773
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2820791
zv_copy 2183677
zv_to_ZV 502527
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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