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 30617-dd5c93fb0e) Lines: 1420 1535 92.5 %
Date: 2026-01-20 09:21:06 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 8038300
F2m_copy 200433
F2m_flip 1554050
F2m_set 798
F2v_clear 12353522
F2v_coeff 661318791
F2v_copy 4487
F2v_ei 42
F2v_flip 1554050
F2v_set 101403088
F2v_to_F2x 37819
F2xX_shift 0
F2x_clear 12353529
F2x_coeff 667911891
F2x_copy 60430671
F2x_div 1569727
F2x_equal 4657827
F2x_equal1 2874000
F2x_flip 1554050
F2x_renormalize 115222368
F2x_set 124750359
F2xqX_div 33173
F3m_coeff 3255919
F3m_copy 0
F3m_set 0
Flm_copy 6433469
Flm_row 8741111
Flv_copy 2555001
Flx_constant 333971
Flx_copy 173138276
Flx_div 1997947
Flx_div_pre 21686723
Flx_equal1 8329723
Flx_lead 978876
Flx_mulu 1105279
FlxqX_div 0
FlxqX_div_pre 165408
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693784
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849917
FpXY_Fq_evaly 20587
FpX_div 5581152
FpX_renormalize 144197860
Fp_add 181199525
Fp_addmul 11283444
Fp_center 77051074
Fp_center_i 17937104
Fp_div 15033492
Fp_divu 15127986
Fp_double 20960469
Fp_halve 247271
Fp_inv 23440461
Fp_invsafe 1100356
Fp_mul 200732185
Fp_muls 17780
Fp_mulu 66935641
Fp_neg 31480327
Fp_red 82192647
Fp_sqr 64000105
Fp_sub 203399217
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 571430
FqX_Fq_mul 427297
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 444667
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 3105944
Fq_to_FpXQ 73652
GENbinbase 961871120
QV_isscalar 54414875
Q_abs 8062610
Q_abs_shallow 120247
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619841
RgC_gtofp 34028651
RgC_gtomp 574
RgM_dimensions 9741654
RgM_fpnorml2 22662
RgM_gtofp 8257716
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179286
RgV_gtofp 56
RgV_is_QV 140734
RgV_is_ZV 32158278
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210270
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103406678
RgX_div 7000642
RgX_equal_var 26883012
RgX_fpnorml2 61495
RgX_gtofp 7144763
RgX_is_QX 399928
RgX_is_ZX 22423131
RgX_is_monomial 1331316
RgX_is_rational 68164
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1450952
Rg_to_Fq 756
ZC_hnfrem 10697266
ZM_ZV_mod 596490
ZM_hnfrem 363744
ZM_lll 7117628
ZV_ZV_mod 8131425
ZV_dvd 23485
ZV_isscalar 23675021
ZV_to_zv 3211406
ZXQ_mul 2161280
ZXQ_sqr 960431
ZX_equal1 12850
ZX_is_monic 7374316
ZX_renormalize 154955993
Z_ispower 98
Z_issquare 458713
abgrp_get_cyc 12230775
abgrp_get_gen 1765042
abgrp_get_no 354949
absfrac 46638627
absfrac_shallow 28237
addmuliu 535790
addmuliu_inplace 59703922
affc_fixlg 249624
affgr 898901
bid_get_MOD 2157248
bid_get_U 3680228
bid_get_arch 41188
bid_get_archp 2397091
bid_get_cyc 5739797
bid_get_fact 2498901
bid_get_fact2 2201571
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804649
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157972
bin_copy 496028617
bit_accuracy 3159101800
bit_accuracy_mul 3175484
bit_prec 143233187
bnf_get_clgp 5375035
bnf_get_cyc 3686161
bnf_get_fu 25859
bnf_get_fu_nocheck 289084
bnf_get_gen 1680327
bnf_get_logfu 2874751
bnf_get_nf 9865149
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367776
bnf_get_tuN 282994
bnf_get_tuU 303581
bnr_get_bid 2046090
bnr_get_bnf 3710945
bnr_get_clgp 2830246
bnr_get_cyc 2522576
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1399080
bnr_get_no 277488
both_odd 123677647
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975456
cgiv 102672322
checkell_i 5593275
closure_arity 371483362
closure_codestr 321622083
closure_get_code 0
closure_get_data 321589837
closure_get_dbg 13628
closure_get_frame 14157684
closure_get_oper 321606635
closure_get_text 37065
closure_is_variadic 44789723
col_ei 5924489
coltrunc_init 740250
const_col 9729669
const_vec 34474495
const_vecsmall 19705357
constant_coeff 1441161
cxcompotor 18211316
cxnorm 91198940
cxtofp 9079815
cxtoreal 337204
cyc_get_expo 2757515
cyclic_perm 99911
dbllog2r 92816968
degpol 5479072676
div_content 58504
divsBIL 8088032647
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 7106186
ell_get_a3 8814054
ell_get_a4 8536727
ell_get_a6 10370965
ell_get_b2 7371028
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017357
ell_get_c6 13473944
ell_get_disc 16813662
ell_get_j 2126269
ell_get_type 12498901
ell_is_inf 52333748
ellff_get_a4a6 800032
ellff_get_field 2036869
ellinf 1869690
ellnf_get_bnf 119
ellnf_get_nf 2027215
equali1 1174320136
equalim1 139505176
err_get_compo 294
err_get_num 62535
gaddgs 123248643
gal_get_den 27867
gal_get_e 91
gal_get_gen 15435
gal_get_group 80384
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 255318503
gc_INT 4108413074
gc_INT_affii 8486843
gc_all 109634643
gc_leaf 1134579190
gc_slice 2204067
gc_upto 1953180799
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 761921
gdivsg 531592
gen_I 1269715
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929043
get_F2x_mod 2499307
get_F2x_var 2534084
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 81911774
get_Flx_mod 25590122
get_Flx_var 68337378
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 6424309
get_FpX_mod 3394372
get_FpX_var 6957449
gisdouble 2995962
gmax_shallow 13510199
gmaxsg 0
gmin_shallow 877691
gminsg 0
gmulgs 22560755
gmulgu 282059385
gsubgs 1724808
gtodouble 60779448
gtofp 254295316
gtomp 22428
gtos 85855617
gtou 99538
guncloneNULL 47948917
guncloneNULL_deep 1451295
gval 6230
hash_str 2756815
hash_str_len 31544911
icopy_avma 8039152495
idealchineseinit 5427
idealred 138440
identity_ZV 8113
identity_perm 3241109
identity_zv 3265456
inf_get_sign 1452882
inv_content 0
is_bigint 563376947
is_const_t 4894050594
is_extscalar_t 6876
is_intreal_t 9584574
is_matvec_t 659643288
is_noncalc_t 85870283
is_pm1 2204568855
is_qfb_t 0
is_rational_t 5032523
is_real_t 62062464
is_recursive_t 9234620467
is_scalar_t 375657016
is_universal_constant 325790877
is_vec_t 43949069
isint1 17584755
isintm1 5710159
isintzero 2842896125
ismpzero 9584477
isonstack 8266628405
killblock 1926764
leading_coeff 170256063
leafcopy_avma 577091053
lg_increase 318400855
lgcols 351560911
lgpol 2680923117
lincombii 38224284
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 754832
matpascal 3983
matslice 16816533
mkcol 10639628
mkcol2 156817997
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232470
mkcolcopy 33552
mkcols 40411
mkcomplex 91609277
mkerr 0
mkfrac 41635322
mkfraccopy 4999238
mkfracss 1209563
mkintmod 8092590
mkintmodu 1813
mkmat 4750875
mkmat2 33653968
mkmat22 50269109
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122259
mkmoo 108794
mkoo 1331840
mkpadic 2009
mkpolmod 3103721
mkqfb 27930004
mkquad 69118
mkrfrac 698438
mkrfraccopy 14
mkvec 71001337
mkvec2 185569341
mkvec2copy 114528
mkvec2s 220246
mkvec3 116787620
mkvec3s 524441
mkvec4 10093816
mkvec4s 21
mkvec5 15185621
mkvec5s 0
mkvec6 0
mkvec6s 301
mkveccopy 122521
mkvecs 168
mkvecsmall 131614708
mkvecsmall2 234789884
mkvecsmall3 104160420
mkvecsmall4 18639124
mkvecsmall5 1717483
modpr_get_T 13867013
modpr_get_p 1887627
modpr_get_pr 31236406
mul_content 2657136
mul_denom 10707459
mulsubii 3882463
nbits2extraprec 1457302833
nbits2ndec 228
nbits2nlong 12748261
nbits2prec 186112565
nbrows 157456271
nchar2nlong 127388141
ndec2nbits 8270
ndec2nlong 41584
ndec2prec 33314
nfV_to_scalar_or_alg 26300
nf_get_G 304925
nf_get_M 21745766
nf_get_Tr 22081
nf_get_degree 71368399
nf_get_diff 4445
nf_get_disc 463480
nf_get_index 3711376
nf_get_invzk 9767361
nf_get_pol 98105351
nf_get_r1 23466164
nf_get_r2 4154
nf_get_ramified_primes 64643
nf_get_roots 1629007
nf_get_roundG 1748229
nf_get_sign 519551
nf_get_varn 1503743
nf_get_zk 4382
nf_get_zkden 5459763
nf_get_zkprimpart 5413959
normalize_frac 17204227
odd 2089845259
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 509459403
pari_malloc 745317890
pari_realloc 1890
pari_realloc_ip 2253657
pari_stack_alloc 1019667438
pari_stack_base 1025314143
pari_stack_delete 5647137
pari_stack_init 6052304
pari_stack_new 925015413
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2781821
perm_mul 80885531
perm_sqr 728
pol0_F2x 13241952
pol0_Flx 103454250
pol1_F2x 3957940
pol1_Flx 55045011
pol_0 82996541
pol_1 3755718
pol_x 3857061
pol_xn 2249281
pol_xnall 294
polx_F2x 1078149
polx_Flx 37481723
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43130406
pr_get_e 16162007
pr_get_f 26443123
pr_get_gen 12071022
pr_get_p 92749993
pr_get_tau 49768212
pr_is_inert 17223965
pr_norm 1090527
prec2lg 4468889161
prec2nbits 103956482
prec2nbits_mul 581164
prec2ndec 9778
precdbl 475375
qfb_disc 18502516
qfb_disc3 4995942
qfb_is_qfi 62335592
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7997109921
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 763883
row_i 987
rowcopy 204988
rowpermute 14704987
rowslice 79293924
rowslicepermute 185374
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27631118
sqrfrac 4148132
sqrti 6610137
sqrtnr 2810159
sqrtr 80369252
sstoQ 1097215
sturm 385
submulii 31982591
submuliu 7700
submuliu_inplace 60192709
truecoef 0
trunc_safe 0
ulogint 1728053
upr_norm 346136
uutoQ 1600198
vec_append 3465041
vec_ei 1713917
vec_lengthen 18960
vec_prepend 313998
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036594
veclast 9372712
vecmodii 0
vecmoduu 49784
vecpermute 20550517
vecreverse 697277
vecreverse_inplace 2605
vecslice 655989583
vecslicepermute 2690981
vecsmall_append 4099598
vecsmall_coincidence 0
vecsmall_concat 1464219
vecsmall_copy 4403860
vecsmall_ei 584701
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043258
vecsmall_max 1163807
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186970
vecsmall_reverse 3052
vecsmall_shorten 75636
vecsmall_to_col 7839215
vecsmall_to_vec 511781
vecsmall_to_vec_inplace 3304
vecsmallpermute 78690181
vecsmalltrunc_append 100677232
vecsmalltrunc_init 190232890
vecsplice 384921
vectrunc_append 15850131
vectrunc_append_batch 9667
vectrunc_init 11767757
zc_to_ZC 7825033
zero_F2m 0
zero_F2m_copy 845033
zero_F2v 3647678
zero_F2x 1350
zero_Flm 2829042
zero_Flm_copy 238227
zero_Flv 59671173
zero_Flx 1426641
zero_zm 0
zero_zv 36732947
zero_zx 0
zerocol 122329358
zeromat 109105
zeromatcopy 14249895
zeropadic 855873
zeropadic_shallow 17024
zeropol 42353891
zeroser 138908
zerovec 28453596
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 2183781
zv_to_ZV 502982
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16