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 30587-f85873d515) Lines: 1420 1535 92.5 %
Date: 2025-12-29 09:21:39 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 8035820
F2m_copy 200461
F2m_flip 1553385
F2m_set 798
F2v_clear 12352299
F2v_coeff 661304126
F2v_copy 4487
F2v_ei 42
F2v_flip 1553385
F2v_set 101401009
F2v_to_F2x 37723
F2xX_shift 0
F2x_clear 12352305
F2x_coeff 668047971
F2x_copy 59708891
F2x_div 1557258
F2x_equal 4606765
F2x_equal1 2874281
F2x_flip 1553385
F2x_renormalize 114331951
F2x_set 124609308
F2xqX_div 33173
F3m_coeff 3255867
F3m_copy 0
F3m_set 0
Flm_copy 6433425
Flm_row 8741760
Flv_copy 2555153
Flx_constant 334018
Flx_copy 173159588
Flx_div 1997992
Flx_div_pre 21685650
Flx_equal1 8330223
Flx_lead 979077
Flx_mulu 1105501
FlxqX_div 0
FlxqX_div_pre 165414
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693880
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581142
FpX_renormalize 144206335
Fp_add 181187341
Fp_addmul 11269701
Fp_center 77238221
Fp_center_i 18043283
Fp_div 15035582
Fp_divu 15130223
Fp_double 20947236
Fp_halve 247271
Fp_inv 23438564
Fp_invsafe 1100363
Fp_mul 200830821
Fp_muls 17780
Fp_mulu 67799878
Fp_neg 31487164
Fp_red 82191392
Fp_sqr 64060625
Fp_sub 203455925
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 571453
FqX_Fq_mul 427289
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38565
FqX_div_by_X_x 69699
FqX_divrem 0
FqX_extgcd 444661
FqX_factor 140946
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 367703
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 3106456
Fq_to_FpXQ 73652
GENbinbase 961773258
QV_isscalar 54415158
Q_abs 8062495
Q_abs_shallow 120219
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619834
RgC_gtofp 34029340
RgC_gtomp 574
RgM_dimensions 9741712
RgM_fpnorml2 22662
RgM_gtofp 8257305
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22173330
RgV_gtofp 56
RgV_is_QV 140727
RgV_is_ZV 32158323
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210278
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406437
RgX_div 7000642
RgX_equal_var 26883022
RgX_fpnorml2 61496
RgX_gtofp 7144704
RgX_is_QX 399929
RgX_is_ZX 22423143
RgX_is_monomial 1331333
RgX_is_rational 68166
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451090
Rg_to_Fq 756
ZC_hnfrem 10695935
ZM_ZV_mod 596450
ZM_hnfrem 363783
ZM_lll 7116050
ZV_ZV_mod 8131421
ZV_dvd 23485
ZV_isscalar 23233345
ZV_to_zv 3211408
ZXQ_mul 2161305
ZXQ_sqr 960430
ZX_equal1 12850
ZX_is_monic 7374312
ZX_renormalize 154969636
Z_ispower 98
Z_issquare 458708
abgrp_get_cyc 12230700
abgrp_get_gen 1765005
abgrp_get_no 354946
absfrac 46638367
absfrac_shallow 28237
addmuliu 535934
addmuliu_inplace 59645426
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157246
bid_get_U 3680223
bid_get_arch 41188
bid_get_archp 2397075
bid_get_cyc 5739767
bid_get_fact 2498898
bid_get_fact2 2201566
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804614
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157972
bin_copy 495995101
bit_accuracy 3152698496
bit_accuracy_mul 3175472
bit_prec 142803013
bnf_get_clgp 5374952
bnf_get_cyc 3686129
bnf_get_fu 25859
bnf_get_fu_nocheck 289085
bnf_get_gen 1680293
bnf_get_logfu 2874745
bnf_get_nf 9863835
bnf_get_no 8365
bnf_get_reg 648
bnf_get_sunits 1367774
bnf_get_tuN 283000
bnf_get_tuU 303577
bnr_get_bid 2046094
bnr_get_bnf 3751379
bnr_get_clgp 2830241
bnr_get_cyc 2522558
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368094
bnr_get_no 277492
both_odd 124047076
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975457
cgiv 102250619
checkell_i 5593311
closure_arity 371504512
closure_codestr 321651089
closure_get_code 0
closure_get_data 321606488
closure_get_dbg 13621
closure_get_frame 14157779
closure_get_oper 321630834
closure_get_text 37051
closure_is_variadic 44789038
col_ei 5924698
coltrunc_init 740250
const_col 9729622
const_vec 34470183
const_vecsmall 19699912
constant_coeff 1441158
cxcompotor 18209030
cxnorm 91198428
cxtofp 9078598
cxtoreal 337204
cyc_get_expo 2757535
cyclic_perm 99911
dbllog2r 92815228
degpol 5490862069
div_content 58517
divsBIL 8085756478
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997103
ell_get_a2 7106202
ell_get_a3 8814071
ell_get_a4 8536743
ell_get_a6 10370981
ell_get_b2 7371031
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018075
ell_get_c6 13474438
ell_get_disc 16815506
ell_get_j 2126269
ell_get_type 12499095
ell_is_inf 52362514
ellff_get_a4a6 800049
ellff_get_field 2036918
ellinf 1869957
ellnf_get_bnf 119
ellnf_get_nf 2027274
equali1 1174222779
equalim1 139505139
err_get_compo 294
err_get_num 62523
gaddgs 123248605
gal_get_den 27867
gal_get_e 91
gal_get_gen 15435
gal_get_group 80386
gal_get_invvdm 27874
gal_get_mod 23758
gal_get_orders 6678
gal_get_p 6006
gal_get_pol 36316
gal_get_roots 32732
gc_GEN 255496549
gc_INT 4107672105
gc_INT_affii 8493494
gc_all 109629038
gc_leaf 1135671762
gc_slice 2204075
gc_upto 1951981872
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 761917
gdivsg 531591
gen_I 1269709
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929222
get_F2x_mod 2499371
get_F2x_var 2534217
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82359940
get_Flx_mod 25591571
get_Flx_var 68343681
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 6424487
get_FpX_mod 3394394
get_FpX_var 6957721
gisdouble 2991791
gmax_shallow 13510199
gmaxsg 0
gmin_shallow 877668
gminsg 0
gmulgs 22595141
gmulgu 282059385
gsubgs 1724808
gtodouble 60776606
gtofp 254305085
gtomp 22428
gtos 85855722
gtou 99538
guncloneNULL 47923843
guncloneNULL_deep 1427292
gval 6230
hash_str 2756815
hash_str_len 31544517
icopy_avma 8035991517
idealchineseinit 5427
idealred 138463
identity_ZV 8113
identity_perm 3241557
identity_zv 3265907
inf_get_sign 1452908
inv_content 0
is_bigint 562940735
is_const_t 4894588657
is_extscalar_t 6876
is_intreal_t 9585735
is_matvec_t 659644963
is_noncalc_t 85874991
is_pm1 2203496948
is_qfb_t 0
is_rational_t 5032323
is_real_t 62062466
is_recursive_t 9234706077
is_scalar_t 375660280
is_universal_constant 325760488
is_vec_t 43944216
isint1 17584682
isintm1 5710109
isintzero 2843198017
ismpzero 9585633
isonstack 8266890164
killblock 1916933
leading_coeff 170260183
leafcopy_avma 576977133
lg_increase 319393787
lgcols 350616659
lgpol 2682032783
lincombii 38217604
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 754839
matpascal 3983
matslice 16818620
mkcol 10639830
mkcol2 156826415
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33542
mkcols 40411
mkcomplex 91600426
mkerr 0
mkfrac 41641468
mkfraccopy 4999621
mkfracss 1209563
mkintmod 8092705
mkintmodu 1813
mkmat 4751063
mkmat2 33652390
mkmat22 50257642
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122247
mkmoo 108785
mkoo 1331863
mkpadic 2009
mkpolmod 3103726
mkqfb 27926859
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71134222
mkvec2 185797021
mkvec2copy 114509
mkvec2s 220243
mkvec3 118102762
mkvec3s 524441
mkvec4 10093765
mkvec4s 21
mkvec5 15185622
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131602849
mkvecsmall2 234838120
mkvecsmall3 104170485
mkvecsmall4 18658765
mkvecsmall5 1717497
modpr_get_T 13867546
modpr_get_p 1888403
modpr_get_pr 31237847
mul_content 2654159
mul_denom 10711157
mulsubii 3881296
nbits2extraprec 1456975840
nbits2ndec 228
nbits2nlong 12755469
nbits2prec 186125793
nbrows 157440190
nchar2nlong 127383377
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26299
nf_get_G 303786
nf_get_M 21306504
nf_get_Tr 22084
nf_get_degree 71364260
nf_get_diff 4445
nf_get_disc 463471
nf_get_index 3711330
nf_get_invzk 9767439
nf_get_pol 98073757
nf_get_r1 23026925
nf_get_r2 4154
nf_get_ramified_primes 64645
nf_get_roots 1627799
nf_get_roundG 1747114
nf_get_sign 519545
nf_get_varn 1503566
nf_get_zk 4382
nf_get_zkden 5463190
nf_get_zkprimpart 5417400
normalize_frac 17205889
odd 2090120376
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 509350388
pari_malloc 745255206
pari_realloc 1890
pari_realloc_ip 2256657
pari_stack_alloc 1019813797
pari_stack_base 1025328447
pari_stack_delete 5551820
pari_stack_init 6050614
pari_stack_new 925127085
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781945
perm_mul 80899810
perm_sqr 728
pol0_F2x 13206117
pol0_Flx 103449269
pol1_F2x 3959648
pol1_Flx 55051248
pol_0 82996654
pol_1 3755762
pol_x 3856856
pol_xn 2249293
pol_xnall 294
polx_F2x 1073296
polx_Flx 37480779
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43126933
pr_get_e 16101516
pr_get_f 26341442
pr_get_gen 12066975
pr_get_p 92474931
pr_get_tau 49564150
pr_is_inert 17145810
pr_norm 1089350
prec2lg 4468663007
prec2nbits 103962814
prec2nbits_mul 581166
prec2ndec 9778
precdbl 475362
qfb_disc 18502536
qfb_disc3 4994358
qfb_is_qfi 62323821
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7994847985
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 763904
row_i 987
rowcopy 204988
rowpermute 14705715
rowslice 79329445
rowslicepermute 184765
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27626367
sqrfrac 4148124
sqrti 6664693
sqrtnr 2809034
sqrtr 80366345
sstoQ 1097215
sturm 385
submulii 32838828
submuliu 7700
submuliu_inplace 60134458
truecoef 0
trunc_safe 0
ulogint 1724251
upr_norm 346135
uutoQ 1600198
vec_append 3465067
vec_ei 1713866
vec_lengthen 18960
vec_prepend 313994
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036611
veclast 9372739
vecmodii 0
vecmoduu 49784
vecpermute 20543360
vecreverse 697277
vecreverse_inplace 2605
vecslice 656251428
vecslicepermute 2690128
vecsmall_append 4099596
vecsmall_coincidence 0
vecsmall_concat 1464214
vecsmall_copy 4404027
vecsmall_ei 584710
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043258
vecsmall_max 1164187
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75640
vecsmall_to_col 7838419
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78704382
vecsmalltrunc_append 100915820
vecsmalltrunc_init 191088281
vecsplice 384919
vectrunc_append 15851653
vectrunc_append_batch 9667
vectrunc_init 11769145
zc_to_ZC 7824237
zero_F2m 0
zero_F2m_copy 845002
zero_F2v 3647440
zero_F2x 1350
zero_Flm 2829682
zero_Flm_copy 238201
zero_Flv 59649086
zero_Flx 1426761
zero_zm 0
zero_zv 36722172
zero_zx 0
zerocol 122320104
zeromat 109104
zeromatcopy 14247732
zeropadic 855366
zeropadic_shallow 17024
zeropol 42354018
zeroser 138908
zerovec 28453507
zerovec_block 29654
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 2183893
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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