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 30584-b9873745ba) Lines: 1421 1535 92.6 %
Date: 2025-12-22 09:21:19 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 8038886
F2m_copy 200474
F2m_flip 1554354
F2m_set 798
F2v_clear 12354094
F2v_coeff 661321611
F2v_copy 4487
F2v_ei 42
F2v_flip 1554354
F2v_set 101403739
F2v_to_F2x 37883
F2xX_shift 0
F2x_clear 12354093
F2x_coeff 667832864
F2x_copy 60462244
F2x_div 1571346
F2x_equal 4665700
F2x_equal1 2874045
F2x_flip 1554354
F2x_renormalize 115241301
F2x_set 124724118
F2xqX_div 33173
F3m_coeff 3255919
F3m_copy 0
F3m_set 0
Flm_copy 6433622
Flm_row 8741219
Flv_copy 2555011
Flx_constant 333963
Flx_copy 173151354
Flx_div 1998007
Flx_div_pre 21683227
Flx_equal1 8329842
Flx_lead 979771
Flx_mulu 1105371
FlxqX_div 0
FlxqX_div_pre 165409
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693426
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581330
FpX_renormalize 144200438
Fp_add 181044297
Fp_addmul 11242599
Fp_center 77194186
Fp_center_i 18039154
Fp_div 15034723
Fp_divu 15129155
Fp_double 20876964
Fp_halve 247138
Fp_inv 23439358
Fp_invsafe 1100361
Fp_mul 200759782
Fp_muls 17780
Fp_mulu 69033614
Fp_neg 31476821
Fp_red 82191037
Fp_sqr 63791197
Fp_sub 203193224
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 571435
FqX_Fq_mul 427303
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 444667
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 3106235
Fq_to_FpXQ 73792
GENbinbase 961475670
QV_isscalar 54415988
Q_abs 8062615
Q_abs_shallow 120232
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619833
RgC_gtofp 34037275
RgC_gtomp 574
RgM_dimensions 9741361
RgM_fpnorml2 22662
RgM_gtofp 8258665
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22174424
RgV_gtofp 56
RgV_is_QV 140731
RgV_is_ZV 32156426
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210278
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406899
RgX_div 7000740
RgX_equal_var 26883186
RgX_fpnorml2 61496
RgX_gtofp 7144727
RgX_is_QX 399933
RgX_is_ZX 22423786
RgX_is_monomial 1331800
RgX_is_rational 68164
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451050
Rg_to_Fq 756
ZC_hnfrem 10695908
ZM_ZV_mod 596437
ZM_hnfrem 363820
ZM_lll 7117028
ZV_ZV_mod 8131428
ZV_dvd 23485
ZV_isscalar 23233645
ZV_to_zv 3211407
ZXQ_mul 2161140
ZXQ_sqr 960395
ZX_equal1 12850
ZX_is_monic 7374292
ZX_renormalize 154961912
Z_ispower 98
Z_issquare 458665
abgrp_get_cyc 12231194
abgrp_get_gen 1765023
abgrp_get_no 354930
absfrac 46638452
absfrac_shallow 28237
addmuliu 535708
addmuliu_inplace 59665735
affc_fixlg 249623
affgr 898866
bid_get_MOD 2157255
bid_get_U 3680235
bid_get_arch 41187
bid_get_archp 2397122
bid_get_cyc 5739834
bid_get_fact 2498916
bid_get_fact2 2201574
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804686
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157983
bin_copy 495835323
bit_accuracy 3155670910
bit_accuracy_mul 3175472
bit_prec 142821434
bnf_get_clgp 5375426
bnf_get_cyc 3686576
bnf_get_fu 25859
bnf_get_fu_nocheck 289083
bnf_get_gen 1680313
bnf_get_logfu 2874755
bnf_get_nf 9864704
bnf_get_no 8365
bnf_get_reg 648
bnf_get_sunits 1367774
bnf_get_tuN 282998
bnf_get_tuU 303533
bnr_get_bid 2046084
bnr_get_bnf 3751373
bnr_get_clgp 2830240
bnr_get_cyc 2522575
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368090
bnr_get_no 277488
both_odd 123817374
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975458
cgiv 102265987
checkell_i 5593344
closure_arity 371343158
closure_codestr 321470638
closure_get_code 0
closure_get_data 321437551
closure_get_dbg 13621
closure_get_frame 14159005
closure_get_oper 321455560
closure_get_text 37051
closure_is_variadic 44789631
col_ei 5925171
coltrunc_init 740250
const_col 9729693
const_vec 34473853
const_vecsmall 19701047
constant_coeff 1441264
cxcompotor 18208984
cxnorm 91198356
cxtofp 9078678
cxtoreal 337206
cyc_get_expo 2757770
cyclic_perm 99911
dbllog2r 92817181
degpol 5496885677
div_content 58518
divsBIL 8087546394
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997071
ell_get_a2 7106177
ell_get_a3 8814038
ell_get_a4 8536718
ell_get_a6 10370956
ell_get_b2 7371023
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018118
ell_get_c6 13474504
ell_get_disc 16815209
ell_get_j 2126227
ell_get_type 12499321
ell_is_inf 52328206
ellff_get_a4a6 800016
ellff_get_field 2036835
ellinf 1869657
ellnf_get_bnf 126
ellnf_get_nf 2027631
equali1 1174083417
equalim1 139505271
err_get_compo 294
err_get_num 62523
gaddgs 123248640
gal_get_den 27867
gal_get_e 91
gal_get_gen 15435
gal_get_group 80387
gal_get_invvdm 27874
gal_get_mod 23758
gal_get_orders 6678
gal_get_p 6006
gal_get_pol 36315
gal_get_roots 32731
gc_GEN 255431712
gc_INT 4106538298
gc_INT_affii 8490581
gc_all 109578821
gc_leaf 1138040352
gc_slice 2204000
gc_upto 1951944000
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 761927
gdivsg 531591
gen_I 1269718
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1928944
get_F2x_mod 2499167
get_F2x_var 2533841
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83010396
get_Flx_mod 25593880
get_Flx_var 68349531
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 6424435
get_FpX_mod 3394350
get_FpX_var 6957649
gisdouble 2992959
gmax_shallow 13510200
gmaxsg 0
gmin_shallow 877650
gminsg 0
gmulgs 22616985
gmulgu 282059385
gsubgs 1724807
gtodouble 60778548
gtofp 254367033
gtomp 22428
gtos 85855636
gtou 99433
guncloneNULL 47936108
guncloneNULL_deep 1439980
gval 6230
hash_str 2756815
hash_str_len 31545795
icopy_avma 8035336609
idealchineseinit 5427
idealred 138672
identity_ZV 8113
identity_perm 3241639
identity_zv 3265989
inf_get_sign 1452975
inv_content 0
is_bigint 562946459
is_const_t 4893494751
is_extscalar_t 6876
is_intreal_t 9586087
is_matvec_t 659494614
is_noncalc_t 85876250
is_pm1 2203782527
is_qfb_t 0
is_rational_t 5032496
is_real_t 62062464
is_recursive_t 9234023529
is_scalar_t 375661244
is_universal_constant 325712877
is_vec_t 43948264
isint1 17585102
isintm1 5710125
isintzero 2843093640
ismpzero 9585971
isonstack 8267608884
killblock 1921863
leading_coeff 170261081
leafcopy_avma 577466614
lg_increase 317427949
lgcols 350619405
lgpol 2688224386
lincombii 38223089
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 754838
matpascal 3983
matslice 16819580
mkcol 10639871
mkcol2 156814357
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33542
mkcols 40411
mkcomplex 91602056
mkerr 0
mkfrac 41642400
mkfraccopy 4999612
mkfracss 1209563
mkintmod 8092569
mkintmodu 1813
mkmat 4750999
mkmat2 33652155
mkmat22 50256607
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122241
mkmoo 108784
mkoo 1331931
mkpadic 2009
mkpolmod 3104031
mkqfb 27927965
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71110239
mkvec2 185248687
mkvec2copy 114507
mkvec2s 220239
mkvec3 120042667
mkvec3s 524441
mkvec4 10092899
mkvec4s 21
mkvec5 15185936
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131612261
mkvecsmall2 234807042
mkvecsmall3 104172897
mkvecsmall4 18653494
mkvecsmall5 1717759
modpr_get_T 13867734
modpr_get_p 1888404
modpr_get_pr 31238444
mul_content 2654403
mul_denom 10711402
mulsubii 3882307
nbits2extraprec 1457137591
nbits2ndec 228
nbits2nlong 12746134
nbits2prec 186135473
nbrows 157454304
nchar2nlong 127395982
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303849
nf_get_M 21306734
nf_get_Tr 22084
nf_get_degree 71367033
nf_get_diff 4445
nf_get_disc 463493
nf_get_index 3711592
nf_get_invzk 9767817
nf_get_pol 98078149
nf_get_r1 23027252
nf_get_r2 4154
nf_get_ramified_primes 64643
nf_get_roots 1627902
nf_get_roundG 1747389
nf_get_sign 519553
nf_get_varn 1503733
nf_get_zk 4382
nf_get_zkden 5463682
nf_get_zkprimpart 5417941
normalize_frac 17205214
odd 2088509386
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 509210450
pari_malloc 745102008
pari_realloc 1890
pari_realloc_ip 2255883
pari_stack_alloc 1019670666
pari_stack_base 1025227119
pari_stack_delete 5596763
pari_stack_init 6051235
pari_stack_new 924982319
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782047
perm_mul 80898804
perm_sqr 728
pol0_F2x 13242321
pol0_Flx 103457963
pol1_F2x 3956453
pol1_Flx 55052926
pol_0 83001115
pol_1 3755634
pol_x 3857503
pol_xn 2249699
pol_xnall 294
polx_F2x 1078807
polx_Flx 37479255
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43120015
pr_get_e 16102659
pr_get_f 26343498
pr_get_gen 12067770
pr_get_p 92478879
pr_get_tau 49566403
pr_is_inert 17146898
pr_norm 1089870
prec2lg 4468844525
prec2nbits 103966094
prec2nbits_mul 581164
prec2ndec 9778
precdbl 475369
qfb_disc 18501220
qfb_disc3 4994922
qfb_is_qfi 62263650
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7996603720
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 763886
row_i 987
rowcopy 204988
rowpermute 14706444
rowslice 79327808
rowslicepermute 184812
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27625590
sqrfrac 4148278
sqrti 6664924
sqrtnr 2809285
sqrtr 80371803
sstoQ 1097215
sturm 385
submulii 32838964
submuliu 7700
submuliu_inplace 60161145
truecoef 0
trunc_safe 0
ulogint 1717620
upr_norm 346135
uutoQ 1600198
vec_append 3465071
vec_ei 1713880
vec_lengthen 18960
vec_prepend 313991
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036606
veclast 9372695
vecmodii 0
vecmoduu 49784
vecpermute 20543609
vecreverse 697235
vecreverse_inplace 2605
vecslice 656193097
vecslicepermute 2690169
vecsmall_append 4098942
vecsmall_coincidence 0
vecsmall_concat 1464251
vecsmall_copy 4403833
vecsmall_ei 584742
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164585
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75544
vecsmall_to_col 7838520
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78703354
vecsmalltrunc_append 100759970
vecsmalltrunc_init 189692768
vecsplice 384925
vectrunc_append 15848224
vectrunc_append_batch 9667
vectrunc_init 11767055
zc_to_ZC 7824339
zero_F2m 0
zero_F2m_copy 845051
zero_F2v 3647711
zero_F2x 1350
zero_Flm 2829556
zero_Flm_copy 238027
zero_Flv 59653045
zero_Flx 1426587
zero_zm 0
zero_zv 36733085
zero_zx 0
zerocol 122337783
zeromat 109124
zeromatcopy 14249536
zeropadic 855558
zeropadic_shallow 17024
zeropol 42358447
zeroser 138908
zerovec 28453452
zerovec_block 29619
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 2183752
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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