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: 1420 1532 92.7 %
Date: 2025-12-14 09:22:17 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 8039789
F2m_copy 200554
F2m_flip 1554354
F2m_set 798
F2v_clear 12357610
F2v_coeff 661337248
F2v_copy 4487
F2v_ei 42
F2v_flip 1554354
F2v_set 101405881
F2v_to_F2x 37803
F2xX_shift 0
F2x_clear 12357591
F2x_coeff 667918406
F2x_copy 60447323
F2x_div 1571878
F2x_equal 4663655
F2x_equal1 2874037
F2x_flip 1554354
F2x_renormalize 115196502
F2x_set 124741771
F2xqX_div 33173
F3m_coeff 3256660
F3m_copy 0
F3m_set 0
Flm_copy 6435529
Flm_row 8742500
Flv_copy 2555249
Flx_constant 334022
Flx_copy 173825154
Flx_div 1999170
Flx_div_pre 21717866
Flx_equal1 8331045
Flx_lead 980820
Flx_mulu 1105477
FlxqX_div 0
FlxqX_div_pre 165418
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693296
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583103
FpX_renormalize 144589785
Fp_add 181508655
Fp_addmul 11359121
Fp_center 77246665
Fp_center_i 18059368
Fp_div 15036098
Fp_divu 15130618
Fp_double 22282904
Fp_halve 247348
Fp_inv 23444544
Fp_invsafe 1100567
Fp_mul 201058738
Fp_muls 17780
Fp_mulu 69036062
Fp_neg 31481454
Fp_red 82090080
Fp_sqr 64553255
Fp_sub 203485551
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 572213
FqX_Fq_mul 427295
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 445092
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 3106427
Fq_to_FpXQ 73792
GENbinbase 964576809
QV_isscalar 54419520
Q_abs 8064282
Q_abs_shallow 120215
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622151
RgC_gtofp 34045305
RgC_gtomp 574
RgM_dimensions 9742639
RgM_fpnorml2 22795
RgM_gtofp 8260438
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179762
RgV_gtofp 56
RgV_is_QV 140790
RgV_is_ZV 32167322
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210302
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409152
RgX_div 7000740
RgX_equal_var 26883218
RgX_fpnorml2 61628
RgX_gtofp 7147841
RgX_is_QX 400146
RgX_is_ZX 22426148
RgX_is_monomial 1331759
RgX_is_rational 68323
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451667
Rg_to_Fq 756
ZC_hnfrem 10696730
ZM_ZV_mod 596666
ZM_hnfrem 363860
ZM_lll 7118275
ZV_ZV_mod 8131640
ZV_dvd 23485
ZV_isscalar 23236197
ZV_to_zv 3211422
ZXQ_mul 2162227
ZXQ_sqr 961147
ZX_equal1 12893
ZX_is_monic 7376192
ZX_renormalize 155034779
Z_ispower 98
Z_issquare 458924
abgrp_get_cyc 12231357
abgrp_get_gen 1765107
abgrp_get_no 355203
absfrac 46644655
absfrac_shallow 28237
addmuliu 535800
addmuliu_inplace 59715201
affc_fixlg 249618
affgr 898866
bid_get_MOD 2157272
bid_get_U 3680255
bid_get_arch 41188
bid_get_archp 2397119
bid_get_cyc 5739812
bid_get_fact 2498955
bid_get_fact2 2201590
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804673
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158008
bin_copy 497445593
bit_accuracy 3163679890
bit_accuracy_mul 3175472
bit_prec 142845853
bnf_get_clgp 5375632
bnf_get_cyc 3686690
bnf_get_fu 25859
bnf_get_fu_nocheck 289091
bnf_get_gen 1680401
bnf_get_logfu 2874815
bnf_get_nf 9865062
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367845
bnf_get_tuN 283007
bnf_get_tuU 303585
bnr_get_bid 2046141
bnr_get_bnf 3751402
bnr_get_clgp 2830303
bnr_get_cyc 2522608
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368184
bnr_get_no 277505
both_odd 123947598
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102284660
checkell_i 5593352
closure_arity 371441937
closure_codestr 321578016
closure_get_code 0
closure_get_data 321523643
closure_get_dbg 13621
closure_get_frame 14173801
closure_get_oper 321553347
closure_get_text 37051
closure_is_variadic 44826805
col_ei 5927059
coltrunc_init 740250
const_col 9730270
const_vec 34491538
const_vecsmall 19712343
constant_coeff 1441403
cxcompotor 18220579
cxnorm 91218266
cxtofp 9084448
cxtoreal 337207
cyc_get_expo 2757849
cyclic_perm 99911
dbllog2r 92830702
degpol 5510190083
div_content 58575
divsBIL 8097201214
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997080
ell_get_a2 7106184
ell_get_a3 8814048
ell_get_a4 8536725
ell_get_a6 10370963
ell_get_b2 7371026
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018037
ell_get_c6 13474388
ell_get_disc 16815125
ell_get_j 2126227
ell_get_type 12499508
ell_is_inf 52491101
ellff_get_a4a6 800026
ellff_get_field 2036859
ellinf 1869564
ellnf_get_bnf 126
ellnf_get_nf 2027636
equali1 1175735550
equalim1 139505804
err_get_compo 294
err_get_num 62522
gaddgs 123248624
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 256269739
gc_INT 4110455198
gc_INT_affii 8499176
gc_all 110029313
gc_leaf 1135542828
gc_slice 2204984
gc_upto 1951303277
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 761922
gdivsg 531591
gen_I 1269821
gener_Fq_local 29945
gequalgs 29176
get_F2x_degree 1929046
get_F2x_mod 2499194
get_F2x_var 2534172
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82969626
get_Flx_mod 25611614
get_Flx_var 68420866
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 6424880
get_FpX_mod 3394577
get_FpX_var 6958179
gisdouble 2993645
gmax_shallow 13510227
gmaxsg 0
gmin_shallow 878338
gminsg 0
gmulgs 22605893
gmulgu 282059385
gsubgs 1724810
gtodouble 60798599
gtofp 254401204
gtomp 22428
gtos 85854566
gtou 98312
guncloneNULL 48221433
guncloneNULL_deep 1435239
gval 6230
hash_str 2756815
hash_str_len 31551624
icopy_avma 8042605540
idealchineseinit 5427
idealred 138707
identity_ZV 8113
identity_perm 3242836
identity_zv 3267187
inf_get_sign 1453123
inv_content 0
is_bigint 562986158
is_const_t 4894931673
is_extscalar_t 6876
is_intreal_t 9586669
is_matvec_t 659545132
is_noncalc_t 85879767
is_pm1 2204464299
is_qfb_t 0
is_rational_t 5035711
is_real_t 62063899
is_recursive_t 9240384309
is_scalar_t 375678658
is_universal_constant 325948662
is_vec_t 43962928
isint1 17587090
isintm1 5711142
isintzero 2843314847
ismpzero 9586562
isonstack 8268295513
killblock 1927336
leading_coeff 170556090
leafcopy_avma 577981531
lg_increase 325769115
lgcols 350868107
lgpol 2685805031
lincombii 38227290
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 754919
matpascal 3983
matslice 16824373
mkcol 10641540
mkcol2 156900313
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33537
mkcols 40411
mkcomplex 91627358
mkerr 0
mkfrac 41643863
mkfraccopy 4999406
mkfracss 1209563
mkintmod 8092602
mkintmodu 1813
mkmat 4751368
mkmat2 33664196
mkmat22 50285844
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122273
mkmoo 108863
mkoo 1332007
mkpadic 2009
mkpolmod 3105220
mkqfb 27929408
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71167714
mkvec2 186748621
mkvec2copy 114616
mkvec2s 220436
mkvec3 119791016
mkvec3s 524441
mkvec4 10107006
mkvec4s 21
mkvec5 15187131
mkveccopy 122521
mkvecs 168
mkvecsmall 131707770
mkvecsmall2 233694138
mkvecsmall3 104053079
mkvecsmall4 17827303
mkvecsmall5 1731068
modpr_get_T 13868023
modpr_get_p 1888614
modpr_get_pr 31239016
mul_content 2655170
mul_denom 10713469
mulsubii 3882887
nbits2extraprec 1457059445
nbits2ndec 228
nbits2nlong 12677555
nbits2prec 186157179
nbrows 157542824
nchar2nlong 127439432
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26299
nf_get_G 304248
nf_get_M 21308726
nf_get_Tr 22080
nf_get_degree 71372468
nf_get_diff 4459
nf_get_disc 463985
nf_get_index 3712370
nf_get_invzk 9769586
nf_get_pol 98086198
nf_get_r1 23029273
nf_get_r2 4154
nf_get_ramified_primes 64855
nf_get_roots 1628572
nf_get_roundG 1747567
nf_get_sign 519567
nf_get_varn 1503804
nf_get_zk 4382
nf_get_zkden 5464245
nf_get_zkprimpart 5418453
normalize_frac 17206688
odd 2086059881
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 510844788
pari_malloc 746749802
pari_realloc 1890
pari_realloc_ip 2269058
pari_stack_alloc 1019806736
pari_stack_base 1025391307
pari_stack_delete 5601743
pari_stack_init 6086845
pari_stack_new 925115175
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2783010
perm_mul 80934757
perm_sqr 728
pol0_F2x 13247846
pol0_Flx 103533685
pol1_F2x 3957707
pol1_Flx 55097382
pol_0 83002301
pol_1 3756648
pol_x 3858359
pol_xn 2249955
pol_xnall 294
polx_F2x 1079270
polx_Flx 37841037
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178891
pr_get_e 16105793
pr_get_f 26350953
pr_get_gen 12069811
pr_get_p 92492650
pr_get_tau 49578427
pr_is_inert 17150939
pr_norm 1090317
prec2lg 4469052396
prec2nbits 103970407
prec2nbits_mul 581163
prec2ndec 9778
precdbl 475507
qfb_disc 18514438
qfb_disc3 4995659
qfb_is_qfi 62947348
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8007262692
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 14711164
rowslice 79356884
rowslicepermute 184972
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27643124
sqrfrac 4148142
sqrti 6666955
sqrtnr 2809828
sqrtr 80385495
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60211980
truecoef 0
trunc_safe 0
ulogint 1731460
upr_norm 346135
uutoQ 1600198
vec_append 3465723
vec_ei 1714771
vec_lengthen 18946
vec_prepend 313997
vec_setconst 0
vec_shorten 11555
vec_to_vecsmall 4036852
veclast 9372761
vecmodii 0
vecmoduu 49784
vecpermute 20546650
vecreverse 697235
vecreverse_inplace 2605
vecslice 656291442
vecslicepermute 2691365
vecsmall_append 4111407
vecsmall_coincidence 0
vecsmall_concat 1464464
vecsmall_copy 4404881
vecsmall_ei 584699
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043233
vecsmall_max 1164760
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74584
vecsmall_to_col 7838790
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78739169
vecsmalltrunc_append 101479444
vecsmalltrunc_init 193426847
vecsplice 384915
vectrunc_append 16162164
vectrunc_append_batch 12306
vectrunc_init 12066781
zc_to_ZC 7824607
zero_F2m 0
zero_F2m_copy 845230
zero_F2v 3648430
zero_F2x 1350
zero_Flm 2830380
zero_Flm_copy 235946
zero_Flv 59572958
zero_Flx 1426780
zero_zm 0
zero_zv 36747872
zero_zx 0
zerocol 122365019
zeromat 109162
zeromatcopy 14252716
zeropadic 855291
zeropadic_shallow 17024
zeropol 42358734
zeroser 138908
zerovec 28455763
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 2183993
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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