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 30465-b757eeabfc) Lines: 1420 1532 92.7 %
Date: 2025-08-12 09:23:53 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 8039476
F2m_copy 200499
F2m_flip 1554354
F2m_set 798
F2v_clear 12355805
F2v_coeff 661331309
F2v_copy 4487
F2v_ei 42
F2v_flip 1554354
F2v_set 101404660
F2v_to_F2x 37879
F2xX_shift 0
F2x_clear 12355793
F2x_coeff 667986610
F2x_copy 60521546
F2x_div 1572004
F2x_equal 4668721
F2x_equal1 2874170
F2x_flip 1554354
F2x_renormalize 115319524
F2x_set 124791229
F2xqX_div 33173
F3m_coeff 3256656
F3m_copy 0
F3m_set 0
Flm_copy 6431374
Flm_row 8742439
Flv_copy 2555485
Flx_constant 330255
Flx_copy 173767782
Flx_div 1999016
Flx_div_pre 21704991
Flx_equal1 8327219
Flx_lead 980334
Flx_mulu 1105182
FlxqX_div 0
FlxqX_div_pre 165418
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693849
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5578723
FpX_renormalize 144578698
Fp_add 181636524
Fp_addmul 11376222
Fp_center 77206189
Fp_center_i 18033369
Fp_div 15035983
Fp_divu 15135821
Fp_double 22321997
Fp_halve 247348
Fp_inv 23399403
Fp_invsafe 1100361
Fp_mul 201067064
Fp_muls 17780
Fp_mulu 66545920
Fp_neg 30886394
Fp_red 82080339
Fp_sqr 64674534
Fp_sub 203556763
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 572126
FqX_Fq_mul 427283
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38546
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445051
FqX_factor 141051
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 367817
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 3106443
Fq_to_FpXQ 73792
GENbinbase 964114185
QV_isscalar 54378378
Q_abs 8062651
Q_abs_shallow 120256
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622067
RgC_gtofp 34009470
RgC_gtomp 574
RgM_dimensions 9741960
RgM_fpnorml2 22780
RgM_gtofp 8251834
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22160938
RgV_gtofp 56
RgV_is_QV 140752
RgV_is_ZV 32159670
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1208179
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669140
RgX_copy 103402193
RgX_div 7000740
RgX_equal_var 26880633
RgX_fpnorml2 61607
RgX_gtofp 7147334
RgX_is_QX 400118
RgX_is_ZX 22417397
RgX_is_monomial 1331261
RgX_is_rational 68305
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451267
Rg_to_Fq 756
ZC_hnfrem 10682082
ZM_ZV_mod 596570
ZM_hnfrem 363852
ZM_lll 7110021
ZV_ZV_mod 8128997
ZV_dvd 23485
ZV_isscalar 23091493
ZV_to_zv 3206093
ZXQ_mul 2162061
ZXQ_sqr 961066
ZX_equal1 12711
ZX_is_monic 7375978
ZX_renormalize 154879495
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12225869
abgrp_get_gen 1762905
abgrp_get_no 355172
absfrac 46627990
absfrac_shallow 28237
addmuliu 541164
addmuliu_inplace 59690231
affc_fixlg 249592
affgr 898880
bid_get_MOD 2157254
bid_get_U 3680229
bid_get_arch 41187
bid_get_archp 2397086
bid_get_cyc 5739550
bid_get_fact 2498921
bid_get_fact2 2201571
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804403
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157979
bin_copy 497209279
bit_accuracy 3163985301
bit_accuracy_mul 3175490
bit_prec 143001644
bnf_get_clgp 5368453
bnf_get_cyc 3681737
bnf_get_fu 25852
bnf_get_fu_nocheck 289076
bnf_get_gen 1678191
bnf_get_logfu 2872577
bnf_get_nf 9852761
bnf_get_no 8358
bnf_get_reg 648
bnf_get_sunits 1365638
bnf_get_tuN 282997
bnf_get_tuU 303566
bnr_get_bid 2045861
bnr_get_bnf 3750900
bnr_get_clgp 2830035
bnr_get_cyc 2522351
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368113
bnr_get_no 277493
both_odd 123910127
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973494
cgiv 102095218
checkell_i 5593330
closure_arity 371282111
closure_codestr 321434280
closure_get_code 0
closure_get_data 321390555
closure_get_dbg 13621
closure_get_frame 14144746
closure_get_oper 321413467
closure_get_text 37051
closure_is_variadic 40152149
col_ei 5923559
coltrunc_init 740250
const_col 9729755
const_vec 34462146
const_vecsmall 19660703
constant_coeff 1441500
cxcompotor 18208025
cxnorm 90893099
cxtofp 9078176
cxtoreal 337261
cyc_get_expo 2755534
cyclic_perm 99911
dbllog2r 93992647
degpol 5494216016
div_content 58476
divsBIL 8167446319
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8996381
ell_get_a2 7105478
ell_get_a3 8813349
ell_get_a4 8536019
ell_get_a6 10370257
ell_get_b2 7369850
ell_get_b4 2549033
ell_get_b6 3861932
ell_get_b8 3297414
ell_get_c4 10728699
ell_get_c6 12892046
ell_get_disc 16525600
ell_get_j 2126227
ell_get_type 12499426
ell_is_inf 52477896
ellff_get_a4a6 800041
ellff_get_field 2036890
ellinf 1868521
ellnf_get_bnf 126
ellnf_get_nf 2027582
equali1 1303279022
equalim1 139503924
err_get_compo 294
err_get_num 62529
gaddgs 123247423
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80394
gal_get_invvdm 27881
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36337
gal_get_roots 32753
gc_GEN 256082590
gc_INT 4108693586
gc_INT_affii 8482978
gc_all 109981804
gc_leaf 1130977704
gc_slice 2205002
gc_upto 1954819807
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 761969
gdivsg 529208
gen_I 1269731
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929154
get_F2x_mod 2499282
get_F2x_var 2534315
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 81904786
get_Flx_mod 25597743
get_Flx_var 68352979
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 6424477
get_FpX_mod 3394358
get_FpX_var 6957752
gisdouble 2987483
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 876346
gminsg 0
gmulgs 22498647
gmulgu 124184361
gsubgs 1727466
gtodouble 60770630
gtofp 254207464
gtomp 22428
gtos 85833228
gtou 104264
guncloneNULL 48158505
guncloneNULL_deep 1392489
gval 5824
hash_str 2754915
hash_str_len 31540244
icopy_avma 8040853280
idealchineseinit 5427
idealred 138519
identity_ZV 8113
identity_perm 3242600
identity_zv 3266950
inf_get_sign 1453079
inv_content 0
is_bigint 562535824
is_const_t 4920890770
is_extscalar_t 6876
is_intreal_t 9575267
is_matvec_t 660323363
is_noncalc_t 85858867
is_pm1 2200761782
is_qfb_t 0
is_rational_t 5035056
is_real_t 62657904
is_recursive_t 9323185200
is_scalar_t 375818397
is_universal_constant 325751580
is_vec_t 43942165
isint1 17571599
isintm1 5703993
isintzero 2838015280
ismpzero 9575167
isonstack 8263790237
killblock 1904159
leading_coeff 170554719
leafcopy_avma 576632434
lg_increase 314830095
lgcols 350174826
lgpol 2678660165
lincombii 38195505
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 752807
matpascal 3885
matslice 16817065
mkcol 10635372
mkcol2 156857290
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33505
mkcols 40411
mkcomplex 91624569
mkerr 0
mkfrac 41627297
mkfraccopy 4999505
mkfracss 1209563
mkintmod 8092623
mkintmodu 1813
mkmat 4748627
mkmat2 33649301
mkmat22 50267225
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122223
mkmoo 108833
mkoo 1331992
mkpadic 2009
mkpolmod 3105020
mkqfb 28079317
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71135579
mkvec2 184611791
mkvec2copy 114561
mkvec2s 220409
mkvec3 116768821
mkvec3s 524441
mkvec4 10105932
mkvec4s 21
mkvec5 15182522
mkveccopy 122521
mkvecs 168
mkvecsmall 131687726
mkvecsmall2 233666150
mkvecsmall3 104063296
mkvecsmall4 17822479
mkvecsmall5 1730595
modpr_get_T 13865289
modpr_get_p 1888432
modpr_get_pr 31231185
mul_content 2651948
mul_denom 10707674
mulsubii 3881603
nbits2extraprec 1497701155
nbits2ndec 228
nbits2nlong 12651401
nbits2prec 187599068
nbrows 157438367
nchar2nlong 127373165
ndec2nbits 8270
ndec2nlong 41591
ndec2prec 33321
nfV_to_scalar_or_alg 26293
nf_get_G 303535
nf_get_M 21161014
nf_get_Tr 22082
nf_get_degree 71321552
nf_get_diff 4438
nf_get_disc 463831
nf_get_index 3709024
nf_get_invzk 9760988
nf_get_pol 98017999
nf_get_r1 22883587
nf_get_r2 4140
nf_get_ramified_primes 64812
nf_get_roots 1625444
nf_get_roundG 1744457
nf_get_sign 517291
nf_get_varn 1503580
nf_get_zk 4382
nf_get_zkden 5459913
nf_get_zkprimpart 5414057
normalize_frac 17120280
odd 2085245825
pari_calloc 47678
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2841
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 15398
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510533039
pari_malloc 746455514
pari_realloc 1890
pari_realloc_ip 2179747
pari_stack_alloc 1019399049
pari_stack_base 1024775591
pari_stack_delete 5414171
pari_stack_init 5834192
pari_stack_new 924776482
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782798
perm_mul 80928846
perm_sqr 728
pol0_F2x 13255971
pol0_Flx 103522932
pol1_F2x 3958887
pol1_Flx 55054363
pol_0 82998044
pol_1 3756339
pol_x 3856831
pol_xn 2249928
pol_xnall 294
polx_F2x 1079342
polx_Flx 37822081
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176561
pr_get_e 15948215
pr_get_f 26035725
pr_get_gen 12055127
pr_get_p 91688219
pr_get_tau 48860639
pr_is_inert 16905638
pr_norm 1088456
prec2lg 4512591814
prec2nbits 105652539
prec2nbits_mul 581138
prec2ndec 9778
precdbl 475483
qfb_disc 18514485
qfb_disc3 4988602
qfb_is_qfi 62941692
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8076939276
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 350
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 2845157
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764000
row_i 987
rowcopy 204988
rowpermute 14704436
rowslice 79342488
rowslicepermute 184404
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27634668
sqrfrac 4148214
sqrti 6663476
sqrtnr 2807064
sqrtr 80277908
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60181775
truecoef 0
trunc_safe 0
ulogint 1721918
upr_norm 343930
uutoQ 159002008
vec_append 3461126
vec_ei 1714599
vec_lengthen 18946
vec_prepend 313974
vec_setconst 0
vec_shorten 11549
vec_to_vecsmall 4031491
veclast 9372649
vecmodii 0
vecmoduu 49784
vecpermute 20515742
vecreverse 697235
vecreverse_inplace 2570
vecslice 656267376
vecslicepermute 2688656
vecsmall_append 4111396
vecsmall_coincidence 0
vecsmall_concat 1464439
vecsmall_copy 4404257
vecsmall_ei 584725
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 540
vecsmall_lexcmp 7043254
vecsmall_max 1164540
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74574
vecsmall_to_col 7832799
vecsmall_to_vec 511571
vecsmall_to_vec_inplace 3304
vecsmallpermute 78733335
vecsmalltrunc_append 101473026
vecsmalltrunc_init 189556520
vecsplice 384887
vectrunc_append 16165106
vectrunc_append_batch 12306
vectrunc_init 12066708
zc_to_ZC 7818620
zero_F2m 0
zero_F2m_copy 845114
zero_F2v 3648070
zero_F2x 1350
zero_Flm 2830306
zero_Flm_copy 235898
zero_Flv 59493125
zero_Flx 1426887
zero_zm 0
zero_zv 36732374
zero_zx 0
zerocol 122266789
zeromat 109107
zeromatcopy 14239301
zeropadic 855095
zeropadic_shallow 17024
zeropol 42358570
zeroser 138824
zerovec 28455337
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38653757
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7978902
znstar_get_conreygen 3289889
znstar_get_cyc 262088
znstar_get_faN 7330731
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2868790
zv_copy 2184226
zv_to_ZV 502996
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16