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 30603-c72b2decfc) Lines: 1420 1535 92.5 %
Date: 2026-01-07 09:21:48 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 8038734
F2m_copy 200476
F2m_flip 1554251
F2m_set 798
F2v_clear 12353977
F2v_coeff 661321511
F2v_copy 4487
F2v_ei 42
F2v_flip 1554251
F2v_set 101403492
F2v_to_F2x 37810
F2xX_shift 0
F2x_clear 12353978
F2x_coeff 667973601
F2x_copy 60422718
F2x_div 1570440
F2x_equal 4661281
F2x_equal1 2874165
F2x_flip 1554251
F2x_renormalize 115257388
F2x_set 124792920
F2xqX_div 33173
F3m_coeff 3255915
F3m_copy 0
F3m_set 0
Flm_copy 6433506
Flm_row 8741525
Flv_copy 2555036
Flx_constant 334019
Flx_copy 173176774
Flx_div 1997989
Flx_div_pre 21682733
Flx_equal1 8330038
Flx_lead 977640
Flx_mulu 1105473
FlxqX_div 0
FlxqX_div_pre 165413
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694119
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581177
FpX_renormalize 144203254
Fp_add 181221573
Fp_addmul 11305909
Fp_center 77142428
Fp_center_i 17995847
Fp_div 15035504
Fp_divu 15130064
Fp_double 20960040
Fp_halve 247271
Fp_inv 23440767
Fp_invsafe 1100347
Fp_mul 200834255
Fp_muls 17780
Fp_mulu 69111667
Fp_neg 31482938
Fp_red 82193520
Fp_sqr 63750396
Fp_sub 202732768
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 571428
FqX_Fq_mul 427292
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38569
FqX_div_by_X_x 69699
FqX_divrem 0
FqX_extgcd 444664
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 367704
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 3106382
Fq_to_FpXQ 73652
GENbinbase 961883729
QV_isscalar 54415750
Q_abs 8062617
Q_abs_shallow 120220
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619848
RgC_gtofp 34028569
RgC_gtomp 574
RgM_dimensions 9741946
RgM_fpnorml2 22662
RgM_gtofp 8257405
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179272
RgV_gtofp 56
RgV_is_QV 140733
RgV_is_ZV 32158270
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210271
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406697
RgX_div 7000642
RgX_equal_var 26883011
RgX_fpnorml2 61495
RgX_gtofp 7144742
RgX_is_QX 399928
RgX_is_ZX 22423214
RgX_is_monomial 1331377
RgX_is_rational 68166
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451011
Rg_to_Fq 756
ZC_hnfrem 10697321
ZM_ZV_mod 596483
ZM_hnfrem 363759
ZM_lll 7117433
ZV_ZV_mod 8131507
ZV_dvd 23485
ZV_isscalar 23674965
ZV_to_zv 3211405
ZXQ_mul 2161307
ZXQ_sqr 960425
ZX_equal1 12850
ZX_is_monic 7374315
ZX_renormalize 154966999
Z_ispower 98
Z_issquare 458712
abgrp_get_cyc 12230783
abgrp_get_gen 1765028
abgrp_get_no 354945
absfrac 46638704
absfrac_shallow 28237
addmuliu 535844
addmuliu_inplace 59635536
affc_fixlg 249623
affgr 898866
bid_get_MOD 2157254
bid_get_U 3680231
bid_get_arch 41188
bid_get_archp 2397114
bid_get_cyc 5739809
bid_get_fact 2498932
bid_get_fact2 2201576
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804666
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157975
bin_copy 496050808
bit_accuracy 3159735672
bit_accuracy_mul 3175472
bit_prec 143242934
bnf_get_clgp 5375007
bnf_get_cyc 3686148
bnf_get_fu 25858
bnf_get_fu_nocheck 289093
bnf_get_gen 1680317
bnf_get_logfu 2874761
bnf_get_nf 9865149
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367776
bnf_get_tuN 283003
bnf_get_tuU 303585
bnr_get_bid 2046085
bnr_get_bnf 3710939
bnr_get_clgp 2830237
bnr_get_cyc 2522567
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1399075
bnr_get_no 277485
both_odd 124030036
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102676153
checkell_i 5593232
closure_arity 371345860
closure_codestr 321508348
closure_get_code 0
closure_get_data 321463070
closure_get_dbg 13628
closure_get_frame 14158289
closure_get_oper 321487663
closure_get_text 37065
closure_is_variadic 44790028
col_ei 5924484
coltrunc_init 740250
const_col 9729699
const_vec 34478002
const_vecsmall 19705724
constant_coeff 1441137
cxcompotor 18211788
cxnorm 91198934
cxtofp 9080020
cxtoreal 337207
cyc_get_expo 2757552
cyclic_perm 99911
dbllog2r 92815588
degpol 5499662426
div_content 58504
divsBIL 8091066645
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997103
ell_get_a2 7106192
ell_get_a3 8814070
ell_get_a4 8536733
ell_get_a6 10370971
ell_get_b2 7371036
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017689
ell_get_c6 13474173
ell_get_disc 16814476
ell_get_j 2126269
ell_get_type 12498744
ell_is_inf 52347439
ellff_get_a4a6 800050
ellff_get_field 2036899
ellinf 1870050
ellnf_get_bnf 119
ellnf_get_nf 2027237
equali1 1174315180
equalim1 139505259
err_get_compo 294
err_get_num 62537
gaddgs 123248612
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 255455568
gc_INT 4111438696
gc_INT_affii 8485831
gc_all 109636274
gc_leaf 1139369598
gc_slice 2204168
gc_upto 1953504531
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 761923
gdivsg 531589
gen_I 1269708
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929147
get_F2x_mod 2499278
get_F2x_var 2534122
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83010456
get_Flx_mod 25593846
get_Flx_var 68347510
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 6424505
get_FpX_mod 3394380
get_FpX_var 6957839
gisdouble 2996282
gmax_shallow 13510198
gmaxsg 0
gmin_shallow 877707
gminsg 0
gmulgs 22594197
gmulgu 282059385
gsubgs 1724803
gtodouble 60779753
gtofp 254291071
gtomp 22428
gtos 85855685
gtou 99532
guncloneNULL 47921597
guncloneNULL_deep 1425466
gval 6230
hash_str 2756813
hash_str_len 31544925
icopy_avma 8039976381
idealchineseinit 5427
idealred 138435
identity_ZV 8113
identity_perm 3241373
identity_zv 3265722
inf_get_sign 1452992
inv_content 0
is_bigint 563382924
is_const_t 4896835204
is_extscalar_t 6876
is_intreal_t 9584477
is_matvec_t 659429762
is_noncalc_t 85870459
is_pm1 2205798593
is_qfb_t 0
is_rational_t 5032502
is_real_t 62062467
is_recursive_t 9234772337
is_scalar_t 375657380
is_universal_constant 325939731
is_vec_t 43954560
isint1 17584755
isintm1 5710131
isintzero 2843818587
ismpzero 9584381
isonstack 8274744310
killblock 1915604
leading_coeff 170261141
leafcopy_avma 577381873
lg_increase 314221970
lgcols 351584747
lgpol 2690767747
lincombii 38222980
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 754830
matpascal 3983
matslice 16817863
mkcol 10639707
mkcol2 156871553
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33553
mkcols 40411
mkcomplex 91615236
mkerr 0
mkfrac 41640251
mkfraccopy 4999461
mkfracss 1209563
mkintmod 8092846
mkintmodu 1813
mkmat 4750970
mkmat2 33654047
mkmat22 50280543
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122286
mkmoo 108792
mkoo 1331937
mkpadic 2009
mkpolmod 3103725
mkqfb 27929636
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71086680
mkvec2 184679983
mkvec2copy 114523
mkvec2s 220249
mkvec3 120070986
mkvec3s 524441
mkvec4 10093879
mkvec4s 21
mkvec5 15185648
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131651219
mkvecsmall2 234832591
mkvecsmall3 104161394
mkvecsmall4 18645926
mkvecsmall5 1717566
modpr_get_T 13867097
modpr_get_p 1887627
modpr_get_pr 31236517
mul_content 2657084
mul_denom 10707512
mulsubii 3881351
nbits2extraprec 1457879126
nbits2ndec 228
nbits2nlong 12751353
nbits2prec 186127235
nbrows 157460239
nchar2nlong 127388791
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304913
nf_get_M 21745737
nf_get_Tr 22083
nf_get_degree 71369202
nf_get_diff 4445
nf_get_disc 463473
nf_get_index 3711362
nf_get_invzk 9767272
nf_get_pol 98107526
nf_get_r1 23466262
nf_get_r2 4154
nf_get_ramified_primes 64645
nf_get_roots 1628976
nf_get_roundG 1748213
nf_get_sign 519553
nf_get_varn 1503557
nf_get_zk 4382
nf_get_zkden 5459796
nf_get_zkprimpart 5414008
normalize_frac 17205130
odd 2089255761
pari_calloc 47720
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 245
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15370
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 509441006
pari_malloc 745355666
pari_realloc 1890
pari_realloc_ip 2255574
pari_stack_alloc 1019590136
pari_stack_base 1025077414
pari_stack_delete 5553711
pari_stack_init 6051665
pari_stack_new 924900106
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781825
perm_mul 80887387
perm_sqr 728
pol0_F2x 13248869
pol0_Flx 103488599
pol1_F2x 3958519
pol1_Flx 55052273
pol_0 82996626
pol_1 3755743
pol_x 3857037
pol_xn 2249289
pol_xnall 294
polx_F2x 1078336
polx_Flx 37480219
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43130352
pr_get_e 16161761
pr_get_f 26442809
pr_get_gen 12071002
pr_get_p 92749743
pr_get_tau 49767759
pr_is_inert 17223803
pr_norm 1090531
prec2lg 4467932173
prec2nbits 103961688
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475370
qfb_disc 18502489
qfb_disc3 4995762
qfb_is_qfi 62317879
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8000254352
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 763888
row_i 987
rowcopy 204988
rowpermute 14704878
rowslice 79295824
rowslicepermute 184948
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27631479
sqrfrac 4148233
sqrti 6610092
sqrtnr 2810174
sqrtr 80370945
sstoQ 1097215
sturm 385
submulii 31982591
submuliu 7700
submuliu_inplace 60127928
truecoef 0
trunc_safe 0
ulogint 1722115
upr_norm 346135
uutoQ 1600198
vec_append 3465073
vec_ei 1713846
vec_lengthen 18960
vec_prepend 314004
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036625
veclast 9372734
vecmodii 0
vecmoduu 49784
vecpermute 20545641
vecreverse 697277
vecreverse_inplace 2605
vecslice 655788365
vecslicepermute 2689667
vecsmall_append 4099579
vecsmall_coincidence 0
vecsmall_concat 1464201
vecsmall_copy 4404004
vecsmall_ei 584737
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043248
vecsmall_max 1164052
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75638
vecsmall_to_col 7838378
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78691879
vecsmalltrunc_append 100875162
vecsmalltrunc_init 188688031
vecsplice 384910
vectrunc_append 15850875
vectrunc_append_batch 9667
vectrunc_init 11766764
zc_to_ZC 7824204
zero_F2m 0
zero_F2m_copy 845059
zero_F2v 3647720
zero_F2x 1350
zero_Flm 2829329
zero_Flm_copy 238227
zero_Flv 59674004
zero_Flx 1426891
zero_zm 0
zero_zv 36733746
zero_zx 0
zerocol 122325222
zeromat 109084
zeromatcopy 14249224
zeropadic 855547
zeropadic_shallow 17024
zeropol 42354024
zeroser 138908
zerovec 28453649
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 2183829
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16