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 30561-4f4869c0e7) Lines: 1419 1532 92.6 %
Date: 2025-11-28 09:21:39 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 8035621
F2m_copy 200483
F2m_flip 1553054
F2m_set 798
F2v_clear 12353475
F2v_coeff 661308259
F2v_copy 4487
F2v_ei 42
F2v_flip 1553054
F2v_set 101401149
F2v_to_F2x 37494
F2xX_shift 0
F2x_clear 12353468
F2x_coeff 667838198
F2x_copy 59556291
F2x_div 1554841
F2x_equal 4590672
F2x_equal1 2874180
F2x_flip 1553054
F2x_renormalize 114225855
F2x_set 124516385
F2xqX_div 33173
F3m_coeff 3256668
F3m_copy 0
F3m_set 0
Flm_copy 6433585
Flm_row 8741737
Flv_copy 2555242
Flx_constant 334013
Flx_copy 173775886
Flx_div 1998996
Flx_div_pre 21704808
Flx_equal1 8331293
Flx_lead 980292
Flx_mulu 1105504
FlxqX_div 0
FlxqX_div_pre 165409
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693474
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581228
FpX_renormalize 144583742
Fp_add 181736082
Fp_addmul 11425732
Fp_center 77243437
Fp_center_i 18059821
Fp_div 15035992
Fp_divu 15130435
Fp_double 22408729
Fp_halve 247348
Fp_inv 23440095
Fp_invsafe 1100554
Fp_mul 201166146
Fp_muls 17780
Fp_mulu 67338595
Fp_neg 31478524
Fp_red 82086191
Fp_sqr 65037894
Fp_sub 204199495
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 572124
FqX_Fq_mul 427294
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38564
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445053
FqX_factor 141072
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 367815
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 3106380
Fq_to_FpXQ 73792
GENbinbase 964378746
QV_isscalar 54401487
Q_abs 8064095
Q_abs_shallow 120241
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622083
RgC_gtofp 34015312
RgC_gtomp 574
RgM_dimensions 9742284
RgM_fpnorml2 22788
RgM_gtofp 8252853
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22170786
RgV_gtofp 56
RgV_is_QV 140759
RgV_is_ZV 32167245
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409056
RgX_div 7000740
RgX_equal_var 26883192
RgX_fpnorml2 61607
RgX_gtofp 7147690
RgX_is_QX 400148
RgX_is_ZX 22422526
RgX_is_monomial 1331814
RgX_is_rational 68312
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451315
Rg_to_Fq 756
ZC_hnfrem 10690785
ZM_ZV_mod 596637
ZM_hnfrem 363861
ZM_lll 7112688
ZV_ZV_mod 8131312
ZV_dvd 23485
ZV_isscalar 23097951
ZV_to_zv 3211411
ZXQ_mul 2162092
ZXQ_sqr 961086
ZX_equal1 12893
ZX_is_monic 7376014
ZX_renormalize 155034679
Z_ispower 98
Z_issquare 458926
abgrp_get_cyc 12230185
abgrp_get_gen 1765029
abgrp_get_no 355187
absfrac 46643780
absfrac_shallow 28237
addmuliu 535753
addmuliu_inplace 59701573
affc_fixlg 249618
affgr 898866
bid_get_MOD 2157249
bid_get_U 3680229
bid_get_arch 41188
bid_get_archp 2397087
bid_get_cyc 5739534
bid_get_fact 2498911
bid_get_fact2 2201569
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804386
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157981
bin_copy 497344262
bit_accuracy 3158631887
bit_accuracy_mul 3175472
bit_prec 142681109
bnf_get_clgp 5374922
bnf_get_cyc 3686067
bnf_get_fu 25859
bnf_get_fu_nocheck 289064
bnf_get_gen 1680319
bnf_get_logfu 2874709
bnf_get_nf 9863703
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367782
bnf_get_tuN 282997
bnf_get_tuU 303573
bnr_get_bid 2045862
bnr_get_bnf 3750894
bnr_get_clgp 2830005
bnr_get_cyc 2522334
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368107
bnr_get_no 277495
both_odd 124124133
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975455
cgiv 102111646
checkell_i 5593354
closure_arity 371336320
closure_codestr 321482004
closure_get_code 0
closure_get_data 321421891
closure_get_dbg 13621
closure_get_frame 14170032
closure_get_oper 321452030
closure_get_text 37051
closure_is_variadic 44821238
col_ei 5925968
coltrunc_init 740250
const_col 9729889
const_vec 34479213
const_vecsmall 19707552
constant_coeff 1441406
cxcompotor 18223081
cxnorm 90945009
cxtofp 9085669
cxtoreal 337202
cyc_get_expo 2757769
cyclic_perm 99911
dbllog2r 92830139
degpol 5498965698
div_content 58475
divsBIL 8092035981
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997085
ell_get_a2 7106179
ell_get_a3 8814053
ell_get_a4 8536720
ell_get_a6 10370957
ell_get_b2 7371036
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018073
ell_get_c6 13474466
ell_get_disc 16814889
ell_get_j 2126227
ell_get_type 12499385
ell_is_inf 52473944
ellff_get_a4a6 800031
ellff_get_field 2036854
ellinf 1869225
ellnf_get_bnf 126
ellnf_get_nf 2027637
equali1 1175209837
equalim1 139505748
err_get_compo 294
err_get_num 62523
gaddgs 123248574
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80394
gal_get_invvdm 27880
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36337
gal_get_roots 32752
gc_GEN 256228745
gc_INT 4104951130
gc_INT_affii 8489445
gc_all 110007740
gc_leaf 1131841567
gc_slice 2205019
gc_upto 1949243413
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 1269829
gener_Fq_local 29930
gequalgs 29176
get_F2x_degree 1928871
get_F2x_mod 2499235
get_F2x_var 2533978
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82020858
get_Flx_mod 25601310
get_Flx_var 68389689
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 6424737
get_FpX_mod 3394541
get_FpX_var 6957912
gisdouble 2988065
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 878324
gminsg 0
gmulgs 22512630
gmulgu 282059385
gsubgs 1724810
gtodouble 60798274
gtofp 254274312
gtomp 22428
gtos 85854589
gtou 98318
guncloneNULL 48228729
guncloneNULL_deep 1445526
gval 6230
hash_str 2756815
hash_str_len 31550306
icopy_avma 8036019041
idealchineseinit 5427
idealred 138521
identity_ZV 8113
identity_perm 3242751
identity_zv 3267101
inf_get_sign 1453150
inv_content 0
is_bigint 562610320
is_const_t 4889390956
is_extscalar_t 6876
is_intreal_t 9583840
is_matvec_t 659382479
is_noncalc_t 85864909
is_pm1 2202178735
is_qfb_t 0
is_rational_t 5035387
is_real_t 62063860
is_recursive_t 9237907619
is_scalar_t 375668639
is_universal_constant 325895298
is_vec_t 43947898
isint1 17586587
isintm1 5711129
isintzero 2838605502
ismpzero 9583725
isonstack 8255865290
killblock 1930810
leading_coeff 170556171
leafcopy_avma 576866052
lg_increase 315624895
lgcols 350255222
lgpol 2679361247
lincombii 38193173
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 754894
matpascal 3983
matslice 16818060
mkcol 10641000
mkcol2 156863953
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33509
mkcols 40411
mkcomplex 91638122
mkerr 0
mkfrac 41642890
mkfraccopy 4999317
mkfracss 1209563
mkintmod 8092736
mkintmodu 1813
mkmat 4750910
mkmat2 33658762
mkmat22 50277711
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122238
mkmoo 108850
mkoo 1332043
mkpadic 2009
mkpolmod 3105125
mkqfb 27919798
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71148163
mkvec2 185166850
mkvec2copy 114572
mkvec2s 220419
mkvec3 117013609
mkvec3s 524441
mkvec4 10106294
mkvec4s 21
mkvec5 15185333
mkveccopy 122521
mkvecs 168
mkvecsmall 131604992
mkvecsmall2 233637902
mkvecsmall3 104043906
mkvecsmall4 17836728
mkvecsmall5 1731090
modpr_get_T 13867758
modpr_get_p 1888430
modpr_get_pr 31238490
mul_content 2654204
mul_denom 10710108
mulsubii 3882311
nbits2extraprec 1456695767
nbits2ndec 228
nbits2nlong 12676708
nbits2prec 186143666
nbrows 157481951
nchar2nlong 127413690
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303567
nf_get_M 21171764
nf_get_Tr 22083
nf_get_degree 71351070
nf_get_diff 4438
nf_get_disc 463865
nf_get_index 3711364
nf_get_invzk 9766026
nf_get_pol 98058956
nf_get_r1 22892268
nf_get_r2 4154
nf_get_ramified_primes 64812
nf_get_roots 1627823
nf_get_roundG 1746600
nf_get_sign 519553
nf_get_varn 1503710
nf_get_zk 4382
nf_get_zkden 5462428
nf_get_zkprimpart 5416675
normalize_frac 17205014
odd 2085648612
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 510756318
pari_malloc 746649943
pari_realloc 1890
pari_realloc_ip 2268330
pari_stack_alloc 1019605637
pari_stack_base 1025228037
pari_stack_delete 5619330
pari_stack_init 6084321
pari_stack_new 924951214
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782843
perm_mul 80928601
perm_sqr 728
pol0_F2x 13176083
pol0_Flx 103430690
pol1_F2x 3956804
pol1_Flx 55072558
pol_0 83002097
pol_1 3756414
pol_x 3858315
pol_xn 2249969
pol_xnall 294
polx_F2x 1072665
polx_Flx 37828896
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178436
pr_get_e 15952626
pr_get_f 26041590
pr_get_gen 12062856
pr_get_p 91708814
pr_get_tau 48871971
pr_is_inert 16910215
pr_norm 1088532
prec2lg 4467362906
prec2nbits 103964240
prec2nbits_mul 581163
prec2ndec 9778
precdbl 475508
qfb_disc 18514429
qfb_disc3 4990852
qfb_is_qfi 62947612
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8002153136
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 764010
row_i 987
rowcopy 204988
rowpermute 14709456
rowslice 79340551
rowslicepermute 184701
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27640224
sqrfrac 4148203
sqrti 6666071
sqrtnr 2808772
sqrtr 80368434
sstoQ 1097215
sturm 385
submulii 32847732
submuliu 7742
submuliu_inplace 60195166
truecoef 0
trunc_safe 0
ulogint 1737525
upr_norm 346135
uutoQ 1600198
vec_append 3465566
vec_ei 1714594
vec_lengthen 18946
vec_prepend 313996
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036828
veclast 9372648
vecmodii 0
vecmoduu 49784
vecpermute 20529817
vecreverse 697235
vecreverse_inplace 2605
vecslice 656181972
vecslicepermute 2689661
vecsmall_append 4111347
vecsmall_coincidence 0
vecsmall_concat 1464306
vecsmall_copy 4404139
vecsmall_ei 584707
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164709
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74580
vecsmall_to_col 7837671
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78733085
vecsmalltrunc_append 101397423
vecsmalltrunc_init 190283445
vecsplice 384902
vectrunc_append 16163235
vectrunc_append_batch 12306
vectrunc_init 12066509
zc_to_ZC 7823490
zero_F2m 0
zero_F2m_copy 845048
zero_F2v 3647749
zero_F2x 1350
zero_Flm 2830227
zero_Flm_copy 235918
zero_Flv 59479398
zero_Flx 1426586
zero_zm 0
zero_zv 36721507
zero_zx 0
zerocol 122293431
zeromat 109102
zeromatcopy 14240802
zeropadic 855242
zeropadic_shallow 17024
zeropol 42358716
zeroser 138908
zerovec 28455543
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 2183987
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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