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 30571-c0dfe82732) Lines: 1419 1532 92.6 %
Date: 2025-12-07 09:22:06 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 8039768
F2m_copy 200556
F2m_flip 1554342
F2m_set 798
F2v_clear 12357621
F2v_coeff 661335646
F2v_copy 4487
F2v_ei 42
F2v_flip 1554342
F2v_set 101405900
F2v_to_F2x 37925
F2xX_shift 0
F2x_clear 12357613
F2x_coeff 667949067
F2x_copy 60445382
F2x_div 1572112
F2x_equal 4663679
F2x_equal1 2874110
F2x_flip 1554342
F2x_renormalize 115177367
F2x_set 124751229
F2xqX_div 33173
F3m_coeff 3256664
F3m_copy 0
F3m_set 0
Flm_copy 6435522
Flm_row 8742682
Flv_copy 2555212
Flx_constant 334022
Flx_copy 173818438
Flx_div 1999160
Flx_div_pre 21713318
Flx_equal1 8331230
Flx_lead 979941
Flx_mulu 1105479
FlxqX_div 0
FlxqX_div_pre 165416
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693262
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583036
FpX_renormalize 144587054
Fp_add 181584015
Fp_addmul 11396033
Fp_center 77243582
Fp_center_i 18060989
Fp_div 15034784
Fp_divu 15129267
Fp_double 22343873
Fp_halve 247348
Fp_inv 23444373
Fp_invsafe 1100570
Fp_mul 201109830
Fp_muls 17780
Fp_mulu 69485681
Fp_neg 31482724
Fp_red 82092354
Fp_sqr 64647074
Fp_sub 203658126
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 572209
FqX_Fq_mul 427287
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38569
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445088
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 3106355
Fq_to_FpXQ 73792
GENbinbase 964555683
QV_isscalar 54418870
Q_abs 8064265
Q_abs_shallow 120259
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622151
RgC_gtofp 34041920
RgC_gtomp 574
RgM_dimensions 9742850
RgM_fpnorml2 22794
RgM_gtofp 8259771
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179357
RgV_gtofp 56
RgV_is_QV 140790
RgV_is_ZV 32167326
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409164
RgX_div 7000740
RgX_equal_var 26883217
RgX_fpnorml2 61627
RgX_gtofp 7147942
RgX_is_QX 400146
RgX_is_ZX 22426125
RgX_is_monomial 1331766
RgX_is_rational 68324
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451715
Rg_to_Fq 756
ZC_hnfrem 10696705
ZM_ZV_mod 596660
ZM_hnfrem 363896
ZM_lll 7117816
ZV_ZV_mod 8131675
ZV_dvd 23485
ZV_isscalar 23235965
ZV_to_zv 3211420
ZXQ_mul 2162221
ZXQ_sqr 961155
ZX_equal1 12893
ZX_is_monic 7376184
ZX_renormalize 155035038
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12231356
abgrp_get_gen 1765132
abgrp_get_no 355199
absfrac 46644654
absfrac_shallow 28237
addmuliu 535836
addmuliu_inplace 59777980
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157274
bid_get_U 3680256
bid_get_arch 41188
bid_get_archp 2397100
bid_get_cyc 5739806
bid_get_fact 2498953
bid_get_fact2 2201590
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804662
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158003
bin_copy 497436331
bit_accuracy 3163609369
bit_accuracy_mul 3175472
bit_prec 142835689
bnf_get_clgp 5375675
bnf_get_cyc 3686702
bnf_get_fu 25859
bnf_get_fu_nocheck 289093
bnf_get_gen 1680418
bnf_get_logfu 2874817
bnf_get_nf 9865076
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367847
bnf_get_tuN 283011
bnf_get_tuU 303584
bnr_get_bid 2046140
bnr_get_bnf 3751403
bnr_get_clgp 2830280
bnr_get_cyc 2522608
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368172
bnr_get_no 277499
both_odd 123857377
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975458
cgiv 102280246
checkell_i 5593212
closure_arity 371459201
closure_codestr 321588516
closure_get_code 0
closure_get_data 321539667
closure_get_dbg 13621
closure_get_frame 14173729
closure_get_oper 321566140
closure_get_text 37051
closure_is_variadic 44826838
col_ei 5926998
coltrunc_init 740250
const_col 9730270
const_vec 34489615
const_vecsmall 19711950
constant_coeff 1441402
cxcompotor 18222050
cxnorm 91219022
cxtofp 9085154
cxtoreal 337205
cyc_get_expo 2757844
cyclic_perm 99911
dbllog2r 92832402
degpol 5510567514
div_content 58572
divsBIL 8096626653
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997091
ell_get_a2 7106188
ell_get_a3 8814059
ell_get_a4 8536729
ell_get_a6 10370967
ell_get_b2 7371033
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017817
ell_get_c6 13474211
ell_get_disc 16814834
ell_get_j 2126227
ell_get_type 12499073
ell_is_inf 52467323
ellff_get_a4a6 800036
ellff_get_field 2036877
ellinf 1869508
ellnf_get_bnf 126
ellnf_get_nf 2027640
equali1 1175728052
equalim1 139505820
err_get_compo 294
err_get_num 62522
gaddgs 123248585
gal_get_den 27881
gal_get_e 91
gal_get_gen 15449
gal_get_group 80402
gal_get_invvdm 27888
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36344
gal_get_roots 32760
gc_GEN 256273481
gc_INT 4110873782
gc_INT_affii 8496372
gc_all 110026823
gc_leaf 1135913798
gc_slice 2205044
gc_upto 1951206777
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 761923
gdivsg 531591
gen_I 1269820
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929104
get_F2x_mod 2499243
get_F2x_var 2534297
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83154925
get_Flx_mod 25609417
get_Flx_var 68414635
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 6424916
get_FpX_mod 3394588
get_FpX_var 6958080
gisdouble 2992497
gmax_shallow 13510227
gmaxsg 0
gmin_shallow 878406
gminsg 0
gmulgs 22552094
gmulgu 282059385
gsubgs 1724795
gtodouble 60801679
gtofp 254404568
gtomp 22428
gtos 85854625
gtou 98314
guncloneNULL 48227537
guncloneNULL_deep 1441603
gval 6230
hash_str 2756815
hash_str_len 31551509
icopy_avma 8042530147
idealchineseinit 5427
idealred 138710
identity_ZV 8113
identity_perm 3242641
identity_zv 3266991
inf_get_sign 1453156
inv_content 0
is_bigint 562962188
is_const_t 4894365253
is_extscalar_t 6876
is_intreal_t 9586350
is_matvec_t 659536954
is_noncalc_t 85878554
is_pm1 2204427211
is_qfb_t 0
is_rational_t 5035684
is_real_t 62063899
is_recursive_t 9240204243
is_scalar_t 375678238
is_universal_constant 325864317
is_vec_t 43969483
isint1 17587124
isintm1 5711168
isintzero 2842823146
ismpzero 9586242
isonstack 8268683248
killblock 1930156
leading_coeff 170556678
leafcopy_avma 577355121
lg_increase 325360187
lgcols 350852769
lgpol 2686244017
lincombii 38215357
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 754914
matpascal 3983
matslice 16823622
mkcol 10641568
mkcol2 156899859
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33540
mkcols 40411
mkcomplex 91631476
mkerr 0
mkfrac 41640213
mkfraccopy 4999597
mkfracss 1209563
mkintmod 8092701
mkintmodu 1813
mkmat 4751505
mkmat2 33664076
mkmat22 50284953
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122267
mkmoo 108865
mkoo 1332034
mkpadic 2009
mkpolmod 3105223
mkqfb 27928703
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71172643
mkvec2 186555244
mkvec2copy 114621
mkvec2s 220439
mkvec3 120356771
mkvec3s 524441
mkvec4 10107019
mkvec4s 21
mkvec5 15187034
mkveccopy 122521
mkvecs 168
mkvecsmall 131710997
mkvecsmall2 233671387
mkvecsmall3 104047076
mkvecsmall4 17829437
mkvecsmall5 1731120
modpr_get_T 13868029
modpr_get_p 1888613
modpr_get_pr 31239013
mul_content 2655041
mul_denom 10713354
mulsubii 3882919
nbits2extraprec 1456927796
nbits2ndec 228
nbits2nlong 12680585
nbits2prec 186144894
nbrows 157532045
nchar2nlong 127437559
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304173
nf_get_M 21308503
nf_get_Tr 22081
nf_get_degree 71371323
nf_get_diff 4459
nf_get_disc 463977
nf_get_index 3712372
nf_get_invzk 9769549
nf_get_pol 98085582
nf_get_r1 23029083
nf_get_r2 4154
nf_get_ramified_primes 64855
nf_get_roots 1628501
nf_get_roundG 1747500
nf_get_sign 519567
nf_get_varn 1503778
nf_get_zk 4382
nf_get_zkden 5464155
nf_get_zkprimpart 5418423
normalize_frac 17206762
odd 2086148651
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 510846316
pari_malloc 746737042
pari_realloc 1890
pari_realloc_ip 2268976
pari_stack_alloc 1019736419
pari_stack_base 1025338947
pari_stack_delete 5628854
pari_stack_init 6087189
pari_stack_new 925038257
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782952
perm_mul 80931401
perm_sqr 728
pol0_F2x 13252930
pol0_Flx 103534190
pol1_F2x 3958392
pol1_Flx 55092597
pol_0 83002249
pol_1 3756646
pol_x 3858440
pol_xn 2249963
pol_xnall 294
polx_F2x 1079515
polx_Flx 37836217
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178760
pr_get_e 16105223
pr_get_f 26349758
pr_get_gen 12069570
pr_get_p 92490708
pr_get_tau 49576836
pr_is_inert 17150368
pr_norm 1090162
prec2lg 4468272225
prec2nbits 103968100
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475514
qfb_disc 18514483
qfb_disc3 4995307
qfb_is_qfi 62944237
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006678650
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 764013
row_i 987
rowcopy 204988
rowpermute 14710324
rowslice 79352120
rowslicepermute 184824
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27643012
sqrfrac 4148137
sqrti 6666908
sqrtnr 2809618
sqrtr 80384683
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60269616
truecoef 0
trunc_safe 0
ulogint 1735248
upr_norm 346135
uutoQ 1600198
vec_append 3465707
vec_ei 1714749
vec_lengthen 18946
vec_prepend 313988
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036849
veclast 9372759
vecmodii 0
vecmoduu 49784
vecpermute 20544736
vecreverse 697235
vecreverse_inplace 2605
vecslice 656333997
vecslicepermute 2690679
vecsmall_append 4111391
vecsmall_coincidence 0
vecsmall_concat 1464435
vecsmall_copy 4404930
vecsmall_ei 584715
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164662
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74582
vecsmall_to_col 7838529
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78735770
vecsmalltrunc_append 101590251
vecsmalltrunc_init 193234395
vecsplice 384926
vectrunc_append 16161037
vectrunc_append_batch 12306
vectrunc_init 12065428
zc_to_ZC 7824347
zero_F2m 0
zero_F2m_copy 845243
zero_F2v 3648432
zero_F2x 1350
zero_Flm 2830236
zero_Flm_copy 235938
zero_Flv 59573555
zero_Flx 1426799
zero_zm 0
zero_zv 36747982
zero_zx 0
zerocol 122357725
zeromat 109119
zeromatcopy 14251723
zeropadic 855705
zeropadic_shallow 17024
zeropol 42358720
zeroser 138908
zerovec 28455856
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 2183958
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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