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 30418-83092bf331) Lines: 1420 1532 92.7 %
Date: 2025-07-29 09:22:49 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 8033660
F2m_copy 200496
F2m_flip 1554199
F2m_set 798
F2v_clear 12354858
F2v_coeff 661307628
F2v_copy 4487
F2v_ei 42
F2v_flip 1554199
F2v_set 101397423
F2v_to_F2x 37877
F2xX_shift 0
F2x_clear 12354854
F2x_coeff 667865414
F2x_copy 60359379
F2x_div 1570239
F2x_equal 4655871
F2x_equal1 2873890
F2x_flip 1554199
F2x_renormalize 115242583
F2x_set 124754854
F2xqX_div 33173
F3m_coeff 3256711
F3m_copy 0
F3m_set 0
Flm_copy 6429789
Flm_row 8741965
Flv_copy 2555348
Flx_constant 330259
Flx_copy 173725918
Flx_div 1998980
Flx_div_pre 21694449
Flx_equal1 8327165
Flx_lead 980029
Flx_mulu 1105168
FlxqX_div 0
FlxqX_div_pre 165416
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693599
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5577209
FpX_renormalize 144537165
Fp_add 181611891
Fp_addmul 11395381
Fp_center 77228130
Fp_center_i 18047165
Fp_div 15034385
Fp_divu 15134129
Fp_double 22287551
Fp_halve 247348
Fp_inv 23398096
Fp_invsafe 1100349
Fp_mul 201071683
Fp_muls 17780
Fp_mulu 67234380
Fp_neg 30882076
Fp_red 82036563
Fp_sqr 64479408
Fp_sub 203113429
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 572066
FqX_Fq_mul 427300
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38548
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 444991
FqX_factor 141051
FqX_factor_squarefree 7
FqX_gcd 8246
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367799
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4123
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 3106305
Fq_to_FpXQ 73792
GENbinbase 962123683
QV_isscalar 54377056
Q_abs 8062342
Q_abs_shallow 120246
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622070
RgC_gtofp 34001342
RgC_gtomp 574
RgM_dimensions 9742196
RgM_fpnorml2 22780
RgM_gtofp 8248698
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22159317
RgV_gtofp 56
RgV_is_QV 140754
RgV_is_ZV 31704127
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1208174
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2668699
RgX_copy 103399746
RgX_div 7000628
RgX_equal_var 26880626
RgX_fpnorml2 61607
RgX_gtofp 7139652
RgX_is_QX 400117
RgX_is_ZX 22414163
RgX_is_monomial 1331192
RgX_is_rational 68305
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479267
RgX_shift_inplace_init 479267
RgX_to_RgV 140
Rg_col_ei 1451195
Rg_to_Fq 756
ZC_hnfrem 10682215
ZM_ZV_mod 596597
ZM_hnfrem 363828
ZM_lll 7108232
ZV_ZV_mod 8129056
ZV_dvd 23485
ZV_isscalar 22996718
ZV_to_zv 3206067
ZXQ_mul 2162034
ZXQ_sqr 961048
ZX_equal1 12711
ZX_is_monic 7375963
ZX_renormalize 154865274
Z_ispower 98
Z_issquare 458923
abgrp_get_cyc 12225804
abgrp_get_gen 1762895
abgrp_get_no 355171
absfrac 46614692
absfrac_shallow 27845
addmuliu 541065
addmuliu_inplace 59700428
affc_fixlg 249591
affgr 898817
bid_get_MOD 2157257
bid_get_U 3680234
bid_get_arch 41188
bid_get_archp 2397124
bid_get_cyc 5739604
bid_get_fact 2498957
bid_get_fact2 2201580
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804457
bid_get_ideal 72821
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157986
bin_copy 496213336
bit_accuracy 3160944931
bit_accuracy_mul 3175270
bit_prec 142892396
bnf_get_clgp 5368434
bnf_get_cyc 3681725
bnf_get_fu 25851
bnf_get_fu_nocheck 289071
bnf_get_gen 1678182
bnf_get_logfu 2872569
bnf_get_nf 9852756
bnf_get_no 8358
bnf_get_reg 648
bnf_get_sunits 1365638
bnf_get_tuN 282981
bnf_get_tuU 303548
bnr_get_bid 2045869
bnr_get_bnf 3750909
bnr_get_clgp 2830021
bnr_get_cyc 2522337
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368098
bnr_get_no 277492
both_odd 124096223
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973495
cgiv 101997985
checkell_i 4677483
closure_arity 370586069
closure_codestr 320735646
closure_get_code 0
closure_get_data 320703523
closure_get_dbg 13586
closure_get_frame 14141609
closure_get_oper 320722650
closure_get_text 36981
closure_is_variadic 40149410
col_ei 5923615
coltrunc_init 393680
const_col 9729417
const_vec 34481927
const_vecsmall 19488337
constant_coeff 1441264
cxcompotor 18139410
cxnorm 90981920
cxtofp 9045081
cxtoreal 394438
cyc_get_expo 2755543
cyclic_perm 99911
dbllog2r 94075492
degpol 5499877777
div_content 58475
divsBIL 8158336211
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232582
ellR_get_sign 371325
ell_get_a1 7116193
ell_get_a2 5709702
ell_get_a3 6912840
ell_get_a4 6522703
ell_get_a6 7961476
ell_get_b2 5432777
ell_get_b4 2135641
ell_get_b6 3055105
ell_get_b8 2608978
ell_get_c4 8021708
ell_get_c6 8850357
ell_get_disc 11280298
ell_get_j 1295726
ell_get_type 11588409
ell_is_inf 52512535
ellff_get_a4a6 800032
ellff_get_field 2036859
ellinf 1868520
ellnf_get_bnf 126
ellnf_get_nf 2027605
equali1 1299980637
equalim1 139049777
err_get_compo 294
err_get_num 62459
gaddgs 123247370
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80392
gal_get_invvdm 27881
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36337
gal_get_roots 32753
gc_GEN 255137893
gc_INT 4091359871
gc_INT_affii 8482930
gc_all 109978406
gc_leaf 1132142172
gc_slice 2204801
gc_upto 1920325461
gchar_copy_precs 1202
gchar_get_DLdata 188468
gchar_get_S 36865
gchar_get_U 0
gchar_get_Ui 10969
gchar_get_basis 32639
gchar_get_bnf 203105
gchar_get_cyc 16168
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50347
gchar_get_m0 3321
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2042
gchar_get_nc 37131
gchar_get_nf 241501
gchar_get_nfprec 13419
gchar_get_nfree 322
gchar_get_nm 1841
gchar_get_ns 36865
gchar_get_ntors 322
gchar_get_prec 18732
gchar_get_r1 17416
gchar_get_r2 623
gchar_get_sfu 1748
gchar_get_u0 4267
gchar_get_zm 279434
gchar_set_HUUi 623
gchar_set_basis 1573
gchar_set_cyc 1573
gchar_set_evalprec 1785
gchar_set_m0 950
gchar_set_nalg 623
gchar_set_nf 2077
gchar_set_nfprec 2950
gchar_set_nfree 623
gchar_set_ntors 623
gchar_set_prec 1202
gchar_set_u0 2093
gcmpgs 790666
gdivsg 529205
gen_I 1269491
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1928992
get_F2x_mod 2499118
get_F2x_var 2534090
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82224670
get_Flx_mod 25589186
get_Flx_var 68335290
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 6424487
get_FpX_mod 3394320
get_FpX_var 6942129
gisdouble 2984432
gmax_shallow 13510220
gmaxsg 0
gmin_shallow 876311
gminsg 0
gmulgs 22315684
gmulgu 124184361
gsubgs 1727402
gtodouble 60863654
gtofp 254150023
gtomp 22428
gtos 85832523
gtou 104246
guncloneNULL 48139088
guncloneNULL_deep 1391660
gval 5824
hash_str 2754901
hash_str_len 19278525
icopy_avma 7978828218
idealchineseinit 5427
idealred 138511
identity_ZV 8113
identity_perm 3242709
identity_zv 3267052
inf_get_sign 1452994
inv_content 0
is_bigint 560943685
is_const_t 4918018601
is_extscalar_t 6876
is_intreal_t 9574797
is_matvec_t 658980274
is_noncalc_t 85756184
is_pm1 2190488596
is_qfb_t 0
is_rational_t 5034703
is_real_t 62657703
is_recursive_t 9267026544
is_scalar_t 374716234
is_universal_constant 292453038
is_vec_t 43482963
isint1 17114457
isintm1 5703294
isintzero 2832425468
ismpzero 9574686
isonstack 8210451830
killblock 1902930
leading_coeff 170546911
leafcopy_avma 571911953
lg_increase 313709416
lgcols 349940235
lgpol 2683215213
lincombii 38191000
locs_get_Lgenfil 1260
locs_get_Lsprk 191695
locs_get_cyc 51955
locs_get_famod 1260
locs_get_m_infty 207235
locs_get_mod 8225
logint 752797
matpascal 3885
matslice 16815064
mkcol 10634563
mkcol2 156647576
mkcol2s 4415404
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232484
mkcolcopy 33491
mkcols 40411
mkcomplex 91719629
mkerr 0
mkfrac 41615873
mkfraccopy 4959309
mkfracss 1209444
mkintmod 8092610
mkintmodu 1813
mkmat 4748754
mkmat2 33192741
mkmat22 50164043
mkmat22s 207508
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122250
mkmoo 108809
mkoo 1331929
mkpadic 2009
mkpolmod 3105018
mkqfb 28076473
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 70242160
mkvec2 184510572
mkvec2copy 114565
mkvec2s 220405
mkvec3 117220179
mkvec3s 524441
mkvec4 6723456
mkvec4s 21
mkvec5 14725321
mkveccopy 122507
mkvecs 168
mkvecsmall 131103791
mkvecsmall2 232648612
mkvecsmall3 103799632
mkvecsmall4 17828347
mkvecsmall5 1730567
modpr_get_T 13865188
modpr_get_p 1888431
modpr_get_pr 31231233
mul_content 2651962
mul_denom 10706037
mulsubii 3881895
nbits2extraprec 1498947024
nbits2ndec 228
nbits2nlong 12645805
nbits2prec 186975241
nbrows 157425783
nchar2nlong 124417991
ndec2nbits 8270
ndec2nlong 41521
ndec2prec 33251
nfV_to_scalar_or_alg 26293
nf_get_G 303061
nf_get_M 21066810
nf_get_Tr 22078
nf_get_degree 71318746
nf_get_diff 4438
nf_get_disc 463837
nf_get_index 3707960
nf_get_invzk 9757921
nf_get_pol 98009185
nf_get_r1 22789393
nf_get_r2 4140
nf_get_ramified_primes 64813
nf_get_roots 1621293
nf_get_roundG 1743974
nf_get_sign 517284
nf_get_varn 1503560
nf_get_zk 4382
nf_get_zkden 5458332
nf_get_zkprimpart 5412571
normalize_frac 17044743
odd 2081843082
pari_calloc 47587
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2820
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 15398
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 509544165
pari_malloc 741025407
pari_realloc 1890
pari_realloc_ip 2175228
pari_stack_alloc 717882575
pari_stack_base 723246464
pari_stack_delete 5412359
pari_stack_init 5833197
pari_stack_new 623700994
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782794
perm_mul 80929536
perm_sqr 728
pol0_F2x 13236306
pol0_Flx 103485598
pol1_F2x 3957249
pol1_Flx 55033785
pol_0 82993446
pol_1 3756106
pol_x 3824789
pol_xn 2249903
pol_xnall 294
polx_F2x 1078683
polx_Flx 37815489
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176341
pr_get_e 15947215
pr_get_f 26015295
pr_get_gen 12051977
pr_get_p 91649468
pr_get_tau 48824225
pr_is_inert 16889665
pr_norm 1086491
prec2lg 4509482546
prec2nbits 105881199
prec2nbits_mul 581138
prec2ndec 9778
precdbl 475372
qfb_disc 18514522
qfb_disc3 4987163
qfb_is_qfi 62954098
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8068059971
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 350
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 2845157
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 763989
row_i 987
rowcopy 204988
rowpermute 14704928
rowslice 79343015
rowslicepermute 184709
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27634645
sqrfrac 4144410
sqrti 6663431
sqrtnr 2800188
sqrtr 80233443
sstoQ 1097131
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60189115
truecoef 0
trunc_safe 0
ulogint 1724341
upr_norm 343873
uutoQ 159002008
vec_append 3461235
vec_ei 1714600
vec_lengthen 18946
vec_prepend 314095
vec_setconst 0
vec_shorten 11550
vec_to_vecsmall 4031441
veclast 7093184
vecmodii 0
vecmoduu 49784
vecpermute 20520047
vecreverse 697060
vecreverse_inplace 2570
vecslice 656247063
vecslicepermute 2690059
vecsmall_append 4111389
vecsmall_coincidence 0
vecsmall_concat 1464344
vecsmall_copy 4404162
vecsmall_ei 584672
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 526
vecsmall_lexcmp 7043218
vecsmall_max 1164521
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74577
vecsmall_to_col 7833387
vecsmall_to_vec 511536
vecsmall_to_vec_inplace 3304
vecsmallpermute 78733960
vecsmalltrunc_append 101446915
vecsmalltrunc_init 189485840
vecsplice 384905
vectrunc_append 15286798
vectrunc_append_batch 12306
vectrunc_init 11716642
zc_to_ZC 7819208
zero_F2m 0
zero_F2m_copy 845105
zero_F2v 3647541
zero_F2x 1350
zero_Flm 2830378
zero_Flm_copy 235890
zero_Flv 59479084
zero_Flx 1426762
zero_zm 0
zero_zv 36726332
zero_zx 0
zerocol 122245914
zeromat 109050
zeromatcopy 14233921
zeropadic 855901
zeropadic_shallow 17024
zeropol 42358471
zeroser 138810
zerovec 26922887
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38653372
znstar_get_U 176051
znstar_get_Ui 46788
znstar_get_conreycyc 7978755
znstar_get_conreygen 3289875
znstar_get_cyc 261990
znstar_get_faN 7330493
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2868776
zv_copy 2184089
zv_to_ZV 502975
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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