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 30572-91e0396466) Lines: 1419 1532 92.6 %
Date: 2025-12-13 09:22:30 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 8039496
F2m_copy 200559
F2m_flip 1554224
F2m_set 798
F2v_clear 12357405
F2v_coeff 661335872
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101405619
F2v_to_F2x 37908
F2xX_shift 0
F2x_clear 12357385
F2x_coeff 667951194
F2x_copy 60438365
F2x_div 1570726
F2x_equal 4659997
F2x_equal1 2874061
F2x_flip 1554224
F2x_renormalize 115200925
F2x_set 124749664
F2xqX_div 33173
F3m_coeff 3256663
F3m_copy 0
F3m_set 0
Flm_copy 6435517
Flm_row 8742549
Flv_copy 2555261
Flx_constant 334024
Flx_copy 173822903
Flx_div 1999188
Flx_div_pre 21715810
Flx_equal1 8331158
Flx_lead 980544
Flx_mulu 1105501
FlxqX_div 0
FlxqX_div_pre 165412
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693288
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583057
FpX_renormalize 144586873
Fp_add 181478740
Fp_addmul 11364518
Fp_center 77226488
Fp_center_i 18052718
Fp_div 15035047
Fp_divu 15129534
Fp_double 22276357
Fp_halve 247348
Fp_inv 23444508
Fp_invsafe 1100568
Fp_mul 201049786
Fp_muls 17780
Fp_mulu 70664775
Fp_neg 31482790
Fp_red 82085631
Fp_sqr 64453834
Fp_sub 203472443
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 572215
FqX_Fq_mul 427289
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 445090
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 367830
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 3106270
Fq_to_FpXQ 73792
GENbinbase 964583333
QV_isscalar 54419136
Q_abs 8064365
Q_abs_shallow 120245
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622153
RgC_gtofp 34044477
RgC_gtomp 574
RgM_dimensions 9742314
RgM_fpnorml2 22795
RgM_gtofp 8260080
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179727
RgV_gtofp 56
RgV_is_QV 140791
RgV_is_ZV 32167327
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409227
RgX_div 7000740
RgX_equal_var 26883215
RgX_fpnorml2 61628
RgX_gtofp 7148011
RgX_is_QX 400157
RgX_is_ZX 22426251
RgX_is_monomial 1331803
RgX_is_rational 68326
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451718
Rg_to_Fq 756
ZC_hnfrem 10696824
ZM_ZV_mod 596611
ZM_hnfrem 363899
ZM_lll 7118115
ZV_ZV_mod 8131609
ZV_dvd 23485
ZV_isscalar 23235832
ZV_to_zv 3211421
ZXQ_mul 2162202
ZXQ_sqr 961156
ZX_equal1 12893
ZX_is_monic 7376207
ZX_renormalize 155035424
Z_ispower 98
Z_issquare 458921
abgrp_get_cyc 12231316
abgrp_get_gen 1765122
abgrp_get_no 355198
absfrac 46644827
absfrac_shallow 28237
addmuliu 535834
addmuliu_inplace 59714565
affc_fixlg 249623
affgr 898866
bid_get_MOD 2157276
bid_get_U 3680254
bid_get_arch 41188
bid_get_archp 2397103
bid_get_cyc 5739800
bid_get_fact 2498954
bid_get_fact2 2201599
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804653
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158004
bin_copy 497450216
bit_accuracy 3163731144
bit_accuracy_mul 3175472
bit_prec 142848964
bnf_get_clgp 5375651
bnf_get_cyc 3686691
bnf_get_fu 25858
bnf_get_fu_nocheck 289088
bnf_get_gen 1680411
bnf_get_logfu 2874803
bnf_get_nf 9864955
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367844
bnf_get_tuN 283002
bnf_get_tuU 303578
bnr_get_bid 2046084
bnr_get_bnf 3751402
bnr_get_clgp 2830283
bnr_get_cyc 2522595
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368174
bnr_get_no 277503
both_odd 123994250
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102280898
checkell_i 5593309
closure_arity 371313873
closure_codestr 321446246
closure_get_code 0
closure_get_data 321396754
closure_get_dbg 13621
closure_get_frame 14173978
closure_get_oper 321425530
closure_get_text 37051
closure_is_variadic 44827221
col_ei 5927050
coltrunc_init 740250
const_col 9730292
const_vec 34490358
const_vecsmall 19712089
constant_coeff 1441433
cxcompotor 18222030
cxnorm 91218955
cxtofp 9085135
cxtoreal 337207
cyc_get_expo 2757848
cyclic_perm 99911
dbllog2r 92833766
degpol 5520468980
div_content 58576
divsBIL 8096896741
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997087
ell_get_a2 7106188
ell_get_a3 8814055
ell_get_a4 8536729
ell_get_a6 10370967
ell_get_b2 7371029
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017824
ell_get_c6 13474221
ell_get_disc 16814871
ell_get_j 2126227
ell_get_type 12499243
ell_is_inf 52482735
ellff_get_a4a6 800033
ellff_get_field 2036874
ellinf 1869475
ellnf_get_bnf 126
ellnf_get_nf 2027646
equali1 1175729572
equalim1 139505941
err_get_compo 294
err_get_num 62522
gaddgs 123248640
gal_get_den 27881
gal_get_e 91
gal_get_gen 15449
gal_get_group 80401
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 256249322
gc_INT 4110930685
gc_INT_affii 8496655
gc_all 110028716
gc_leaf 1138600081
gc_slice 2205093
gc_upto 1951276506
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 761920
gdivsg 531592
gen_I 1269835
gener_Fq_local 29945
gequalgs 29176
get_F2x_degree 1929088
get_F2x_mod 2499219
get_F2x_var 2534262
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83775412
get_Flx_mod 25610115
get_Flx_var 68417033
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 6424938
get_FpX_mod 3394590
get_FpX_var 6958167
gisdouble 2993478
gmax_shallow 13510228
gmaxsg 0
gmin_shallow 878345
gminsg 0
gmulgs 22601809
gmulgu 282059385
gsubgs 1724810
gtodouble 60799729
gtofp 254403977
gtomp 22428
gtos 85854581
gtou 98315
guncloneNULL 48227707
guncloneNULL_deep 1441166
gval 6230
hash_str 2756815
hash_str_len 31551659
icopy_avma 8042520930
idealchineseinit 5427
idealred 138713
identity_ZV 8113
identity_perm 3242941
identity_zv 3267291
inf_get_sign 1453213
inv_content 0
is_bigint 562984103
is_const_t 4894324457
is_extscalar_t 6876
is_intreal_t 9586654
is_matvec_t 659397340
is_noncalc_t 85879118
is_pm1 2205071384
is_qfb_t 0
is_rational_t 5035719
is_real_t 62063898
is_recursive_t 9240452299
is_scalar_t 375679345
is_universal_constant 325796131
is_vec_t 43962776
isint1 17587192
isintm1 5711228
isintzero 2843180358
ismpzero 9586541
isonstack 8271371504
killblock 1929836
leading_coeff 170558065
leafcopy_avma 577150253
lg_increase 321286932
lgcols 350859728
lgpol 2690291020
lincombii 38217541
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 754912
matpascal 3983
matslice 16823922
mkcol 10641584
mkcol2 156894076
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33542
mkcols 40411
mkcomplex 91636990
mkerr 0
mkfrac 41644468
mkfraccopy 4999474
mkfracss 1209563
mkintmod 8092611
mkintmodu 1813
mkmat 4751235
mkmat2 33663731
mkmat22 50284926
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122278
mkmoo 108864
mkoo 1332083
mkpadic 2009
mkpolmod 3105222
mkqfb 27929224
mkquad 69118
mkrfrac 698438
mkrfraccopy 14
mkvec 71149300
mkvec2 186180989
mkvec2copy 114623
mkvec2s 220438
mkvec3 122217434
mkvec3s 524441
mkvec4 10107054
mkvec4s 21
mkvec5 15187121
mkveccopy 122521
mkvecs 168
mkvecsmall 131711027
mkvecsmall2 233678874
mkvecsmall3 104049602
mkvecsmall4 17832124
mkvecsmall5 1731098
modpr_get_T 13867998
modpr_get_p 1888614
modpr_get_pr 31238955
mul_content 2655060
mul_denom 10713436
mulsubii 3882000
nbits2extraprec 1457001522
nbits2ndec 228
nbits2nlong 12679196
nbits2prec 186161941
nbrows 157540556
nchar2nlong 127439583
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304268
nf_get_M 21308368
nf_get_Tr 22079
nf_get_degree 71372152
nf_get_diff 4459
nf_get_disc 463989
nf_get_index 3712404
nf_get_invzk 9769551
nf_get_pol 98086724
nf_get_r1 23029038
nf_get_r2 4154
nf_get_ramified_primes 64854
nf_get_roots 1628601
nf_get_roundG 1747601
nf_get_sign 519567
nf_get_varn 1503798
nf_get_zk 4382
nf_get_zkden 5464329
nf_get_zkprimpart 5418548
normalize_frac 17206584
odd 2085513878
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 510857302
pari_malloc 746753588
pari_realloc 1890
pari_realloc_ip 2269220
pari_stack_alloc 1019633752
pari_stack_base 1025233784
pari_stack_delete 5621413
pari_stack_init 6087137
pari_stack_new 924945768
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782999
perm_mul 80932879
perm_sqr 728
pol0_F2x 13247709
pol0_Flx 103535135
pol1_F2x 3958287
pol1_Flx 55094660
pol_0 83002312
pol_1 3756683
pol_x 3858416
pol_xn 2249973
pol_xnall 294
polx_F2x 1078656
polx_Flx 37838911
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43179024
pr_get_e 16105705
pr_get_f 26350677
pr_get_gen 12069859
pr_get_p 92491845
pr_get_tau 49577770
pr_is_inert 17150796
pr_norm 1090289
prec2lg 4468408102
prec2nbits 103969282
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475523
qfb_disc 18514491
qfb_disc3 4995551
qfb_is_qfi 62927670
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006862370
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 764016
row_i 987
rowcopy 204988
rowpermute 14710921
rowslice 79348367
rowslicepermute 184790
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27642960
sqrfrac 4148249
sqrti 6666939
sqrtnr 2809793
sqrtr 80384470
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60203352
truecoef 0
trunc_safe 0
ulogint 1727854
upr_norm 346136
uutoQ 1600198
vec_append 3465740
vec_ei 1714784
vec_lengthen 18946
vec_prepend 313994
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036859
veclast 9372753
vecmodii 0
vecmoduu 49784
vecpermute 20543716
vecreverse 697235
vecreverse_inplace 2605
vecslice 656282778
vecslicepermute 2690844
vecsmall_append 4111383
vecsmall_coincidence 0
vecsmall_concat 1464437
vecsmall_copy 4404936
vecsmall_ei 584732
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043253
vecsmall_max 1164700
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74584
vecsmall_to_col 7838446
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78737283
vecsmalltrunc_append 101498042
vecsmalltrunc_init 192306472
vecsplice 384930
vectrunc_append 16163089
vectrunc_append_batch 12306
vectrunc_init 12067326
zc_to_ZC 7824264
zero_F2m 0
zero_F2m_copy 845230
zero_F2v 3648435
zero_F2x 1350
zero_Flm 2830519
zero_Flm_copy 235943
zero_Flv 59573210
zero_Flx 1426883
zero_zm 0
zero_zv 36747114
zero_zx 0
zerocol 122361801
zeromat 109212
zeromatcopy 14252214
zeropadic 855678
zeropadic_shallow 17024
zeropol 42358724
zeroser 138908
zerovec 28455808
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 2184007
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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