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 30586-ccf601f509) Lines: 1420 1535 92.5 %
Date: 2025-12-25 09:21:36 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 8038618
F2m_copy 200477
F2m_flip 1554206
F2m_set 798
F2v_clear 12353956
F2v_coeff 661321108
F2v_copy 4487
F2v_ei 42
F2v_flip 1554206
F2v_set 101403557
F2v_to_F2x 37917
F2xX_shift 0
F2x_clear 12353958
F2x_coeff 667830995
F2x_copy 60460734
F2x_div 1570448
F2x_equal 4662238
F2x_equal1 2874039
F2x_flip 1554206
F2x_renormalize 115220366
F2x_set 124713959
F2xqX_div 33173
F3m_coeff 3255869
F3m_copy 0
F3m_set 0
Flm_copy 6433427
Flm_row 8741216
Flv_copy 2554976
Flx_constant 334022
Flx_copy 173165972
Flx_div 1997979
Flx_div_pre 21682698
Flx_equal1 8329945
Flx_lead 978780
Flx_mulu 1105447
FlxqX_div 0
FlxqX_div_pre 165413
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693900
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581121
FpX_renormalize 144203139
Fp_add 181251754
Fp_addmul 11295170
Fp_center 77213715
Fp_center_i 18038056
Fp_div 15035081
Fp_divu 15129490
Fp_double 20998682
Fp_halve 247271
Fp_inv 23438607
Fp_invsafe 1100354
Fp_mul 200869339
Fp_muls 17780
Fp_mulu 68035037
Fp_neg 31476431
Fp_red 82193693
Fp_sqr 64160522
Fp_sub 203464980
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 571425
FqX_Fq_mul 427294
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38567
FqX_div_by_X_x 69699
FqX_divrem 0
FqX_extgcd 444666
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 367705
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 3106424
Fq_to_FpXQ 73652
GENbinbase 961779077
QV_isscalar 54414872
Q_abs 8062554
Q_abs_shallow 120232
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619834
RgC_gtofp 34033849
RgC_gtomp 574
RgM_dimensions 9741499
RgM_fpnorml2 22662
RgM_gtofp 8258171
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22173682
RgV_gtofp 56
RgV_is_QV 140725
RgV_is_ZV 32158323
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210275
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406295
RgX_div 7000642
RgX_equal_var 26883023
RgX_fpnorml2 61495
RgX_gtofp 7144820
RgX_is_QX 399928
RgX_is_ZX 22423297
RgX_is_monomial 1331387
RgX_is_rational 68164
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451065
Rg_to_Fq 756
ZC_hnfrem 10695889
ZM_ZV_mod 596452
ZM_hnfrem 363784
ZM_lll 7116620
ZV_ZV_mod 8131403
ZV_dvd 23485
ZV_isscalar 23233362
ZV_to_zv 3211408
ZXQ_mul 2161162
ZXQ_sqr 960333
ZX_equal1 12850
ZX_is_monic 7374281
ZX_renormalize 154972860
Z_ispower 98
Z_issquare 458706
abgrp_get_cyc 12230799
abgrp_get_gen 1765025
abgrp_get_no 354942
absfrac 46638413
absfrac_shallow 28237
addmuliu 535700
addmuliu_inplace 59655637
affc_fixlg 249623
affgr 898866
bid_get_MOD 2157263
bid_get_U 3680241
bid_get_arch 41188
bid_get_archp 2397136
bid_get_cyc 5739824
bid_get_fact 2498928
bid_get_fact2 2201583
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804678
bid_get_ideal 72842
bid_get_mod 1521920
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157995
bin_copy 495998924
bit_accuracy 3156168875
bit_accuracy_mul 3175472
bit_prec 142812966
bnf_get_clgp 5374998
bnf_get_cyc 3686153
bnf_get_fu 25859
bnf_get_fu_nocheck 289077
bnf_get_gen 1680311
bnf_get_logfu 2874776
bnf_get_nf 9863893
bnf_get_no 8365
bnf_get_reg 648
bnf_get_sunits 1367769
bnf_get_tuN 282996
bnf_get_tuU 303576
bnr_get_bid 2046098
bnr_get_bnf 3751376
bnr_get_clgp 2830217
bnr_get_cyc 2522554
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368092
bnr_get_no 277488
both_odd 124095025
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975461
cgiv 102264629
checkell_i 5593290
closure_arity 371447505
closure_codestr 321572835
closure_get_code 0
closure_get_data 321543229
closure_get_dbg 13621
closure_get_frame 14157615
closure_get_oper 321558815
closure_get_text 37051
closure_is_variadic 44788404
col_ei 5924662
coltrunc_init 740250
const_col 9729682
const_vec 34470726
const_vecsmall 19700005
constant_coeff 1441108
cxcompotor 18209051
cxnorm 91199868
cxtofp 9078701
cxtoreal 337208
cyc_get_expo 2757544
cyclic_perm 99911
dbllog2r 92817425
degpol 5492837096
div_content 58522
divsBIL 8088597846
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997081
ell_get_a2 7106176
ell_get_a3 8814049
ell_get_a4 8536717
ell_get_a6 10370955
ell_get_b2 7371035
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018187
ell_get_c6 13474558
ell_get_disc 16815380
ell_get_j 2126269
ell_get_type 12499046
ell_is_inf 52359244
ellff_get_a4a6 800027
ellff_get_field 2036844
ellinf 1869820
ellnf_get_bnf 119
ellnf_get_nf 2027252
equali1 1174231463
equalim1 139504915
err_get_compo 294
err_get_num 62522
gaddgs 123248635
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 36316
gal_get_roots 32732
gc_GEN 255498895
gc_INT 4107716301
gc_INT_affii 8493178
gc_all 109629719
gc_leaf 1136141867
gc_slice 2204143
gc_upto 1952005958
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 1269693
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1928919
get_F2x_mod 2499163
get_F2x_var 2533800
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82456576
get_Flx_mod 25592590
get_Flx_var 68347143
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 6424289
get_FpX_mod 3394344
get_FpX_var 6957641
gisdouble 2992503
gmax_shallow 13510200
gmaxsg 0
gmin_shallow 877643
gminsg 0
gmulgs 22613407
gmulgu 282059385
gsubgs 1724809
gtodouble 60779715
gtofp 254340731
gtomp 22428
gtos 85855693
gtou 99526
guncloneNULL 47924477
guncloneNULL_deep 1428351
gval 6230
hash_str 2756815
hash_str_len 31544703
icopy_avma 8035973241
idealchineseinit 5427
idealred 138463
identity_ZV 8113
identity_perm 3241552
identity_zv 3265902
inf_get_sign 1453001
inv_content 0
is_bigint 562948432
is_const_t 4894216976
is_extscalar_t 6876
is_intreal_t 9586062
is_matvec_t 659594832
is_noncalc_t 85876152
is_pm1 2203251872
is_qfb_t 0
is_rational_t 5032379
is_real_t 62062467
is_recursive_t 9234341840
is_scalar_t 375661537
is_universal_constant 325714639
is_vec_t 43946237
isint1 17584695
isintm1 5710115
isintzero 2843194390
ismpzero 9585964
isonstack 8267292676
killblock 1917410
leading_coeff 170260524
leafcopy_avma 577290293
lg_increase 315203304
lgcols 350617486
lgpol 2685857962
lincombii 38214587
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 754836
matpascal 3983
matslice 16818929
mkcol 10639859
mkcol2 156824618
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33545
mkcols 40411
mkcomplex 91600802
mkerr 0
mkfrac 41641993
mkfraccopy 4999441
mkfracss 1209563
mkintmod 8092707
mkintmodu 1813
mkmat 4750966
mkmat2 33652566
mkmat22 50257143
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122257
mkmoo 108786
mkoo 1331959
mkpadic 2009
mkpolmod 3103725
mkqfb 27927563
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71126205
mkvec2 184875131
mkvec2copy 114509
mkvec2s 220244
mkvec3 118384767
mkvec3s 524441
mkvec4 10093558
mkvec4s 21
mkvec5 15185716
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131610376
mkvecsmall2 234837312
mkvecsmall3 104174295
mkvecsmall4 18665400
mkvecsmall5 1717532
modpr_get_T 13867532
modpr_get_p 1888404
modpr_get_pr 31237847
mul_content 2654148
mul_denom 10711131
mulsubii 3881848
nbits2extraprec 1457279288
nbits2ndec 228
nbits2nlong 12745489
nbits2prec 186131884
nbrows 157446924
nchar2nlong 127388903
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26299
nf_get_G 303846
nf_get_M 21306608
nf_get_Tr 22085
nf_get_degree 71364218
nf_get_diff 4445
nf_get_disc 463476
nf_get_index 3711344
nf_get_invzk 9767431
nf_get_pol 98073552
nf_get_r1 23027156
nf_get_r2 4154
nf_get_ramified_primes 64644
nf_get_roots 1627888
nf_get_roundG 1747179
nf_get_sign 519544
nf_get_varn 1503553
nf_get_zk 4382
nf_get_zkden 5463316
nf_get_zkprimpart 5417584
normalize_frac 17205597
odd 2088643482
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 509354709
pari_malloc 745263291
pari_realloc 1890
pari_realloc_ip 2256556
pari_stack_alloc 1019745372
pari_stack_base 1025256246
pari_stack_delete 5554977
pari_stack_init 6050489
pari_stack_new 925058491
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781959
perm_mul 80898871
perm_sqr 728
pol0_F2x 13240277
pol0_Flx 103458606
pol1_F2x 3956313
pol1_Flx 55047867
pol_0 82996683
pol_1 3755657
pol_x 3856934
pol_xn 2249256
pol_xnall 294
polx_F2x 1078280
polx_Flx 37481643
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43127006
pr_get_e 16101895
pr_get_f 26341983
pr_get_gen 12067182
pr_get_p 92475689
pr_get_tau 49564623
pr_is_inert 17146048
pr_norm 1089420
prec2lg 4469599241
prec2nbits 103967248
prec2nbits_mul 581166
prec2ndec 9778
precdbl 475369
qfb_disc 18502534
qfb_disc3 4994738
qfb_is_qfi 62327501
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7997700231
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 763900
row_i 987
rowcopy 204988
rowpermute 14705858
rowslice 79327729
rowslicepermute 184835
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27627121
sqrfrac 4148253
sqrti 6664633
sqrtnr 2809203
sqrtr 80371714
sstoQ 1097215
sturm 385
submulii 32838828
submuliu 7700
submuliu_inplace 60150545
truecoef 0
trunc_safe 0
ulogint 1709664
upr_norm 346135
uutoQ 1600198
vec_append 3465106
vec_ei 1713893
vec_lengthen 18960
vec_prepend 313990
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036631
veclast 9372683
vecmodii 0
vecmoduu 49784
vecpermute 20543440
vecreverse 697277
vecreverse_inplace 2605
vecslice 656194805
vecslicepermute 2690353
vecsmall_append 4099601
vecsmall_coincidence 0
vecsmall_concat 1464234
vecsmall_copy 4403843
vecsmall_ei 584759
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164056
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75642
vecsmall_to_col 7838602
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78703440
vecsmalltrunc_append 100882969
vecsmalltrunc_init 189156959
vecsplice 384915
vectrunc_append 15852372
vectrunc_append_batch 9667
vectrunc_init 11769269
zc_to_ZC 7824420
zero_F2m 0
zero_F2m_copy 845056
zero_F2v 3647712
zero_F2x 1350
zero_Flm 2829555
zero_Flm_copy 238205
zero_Flv 59653147
zero_Flx 1426919
zero_zm 0
zero_zv 36731576
zero_zx 0
zerocol 122329321
zeromat 109140
zeromatcopy 14248978
zeropadic 855810
zeropadic_shallow 17024
zeropol 42354025
zeroser 138908
zerovec 28453582
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 2183721
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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