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
F2xX_shift 0
F3m_copy 0
F3m_set 0
FlxqX_div 0
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQ_add 0
FpXQ_sub 0
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_divrem 0
FqX_halfgcd 0
FqX_integ 0
FqXn_exp 0
FqXn_sqr 0
R_abs 0
RgX_isscalar 0
bid_get_gen_nocheck 0
bid_get_no 0
cbrtr 0
cbrtr_abs 0
closure_get_code 0
gchar_get_U 0
gchar_get_hnf 0
gmaxsg 0
gminsg 0
inv_content 0
is_qfb_t 0
mkcol4s 0
mkerr 0
mkmat5 0
pari_err_FILE 0
pari_err_MAXPRIME 0
pari_err_PACKAGE 0
polx_zx 0
random_Fq 0
truecoef 0
trunc_safe 0
vec_setconst 0
vecmodii 0
vecsmall_coincidence 0
zero_F2m 0
zero_zm 0
zero_zx 0
zm_copy 0
zm_row 0
zm_to_zxV 0
zx_shift 0
zx_to_zv 0
FqX_ddf 7
FqX_factor_squarefree 7
mkrfraccopy 14
pari_err_BUG 14
znstar_get_no 14
RgM_gtomp 21
mkvec4s 21
pari_err_CONSTPOL 21
vecsmall_indexmax 21
vecsmall_indexmin 21
pari_err_FILEDESC 36
F2v_ei 42
RgV_gtofp 56
pari_err_IRREDPOL 63
pari_err_ROOTS0 63
bnr_get_gen_nocheck 70
mkmat4 84
pari_err_COPRIME 84
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
mkcol5 94
Z_ispower 98
pari_err_FLAG 98
pari_err_PRIME 98
rnf_get_index 105
ellnf_get_bnf 126
RgX_to_RgV 140
pari_err_OVERFLOW 156
mkvecs 168
FqX_to_mod 175
pari_err_COMPONENT 214
nbits2ndec 228
pari_err_PREC 238
pari_err_PRIORITY 238
zm_transpose 266
rowsplice 273
err_get_compo 294
pol_xnall 294
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 350
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
vecsmall_lengthen 526
pari_err_IMPL 539
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 623
gchar_set_nalg 623
gchar_set_nfree 623
gchar_set_ntors 623
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 950
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1202
gchar_set_prec 1202
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1260
locs_get_famod 1260
FqX_powu 1295
pari_err_MODULUS 1316
zero_F2x 1350
rnf_get_idealdisc 1386
rnf_get_alpha 1428
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1573
gchar_set_cyc 1573
gchar_get_sfu 1748
gchar_set_evalprec 1785
mkintmodu 1813
gchar_get_nm 1841
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2042
gchar_set_nf 2077
gchar_set_u0 2093
vecsmall_min 2324
vecreverse_inplace 2570
pari_err_DOMAIN 2820
rnf_get_ramified_primes 2849
gchar_set_nfprec 2950
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3321
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4140
gchar_get_u0 4267
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
rnf_get_nfzk 7245
FqX_roots 7273
submuliu 7742
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8358
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10969
vec_shorten 11550
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13419
closure_get_dbg 13586
zx_renormalize 14049
pari_err_TYPE 15398
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16168
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17416
Fp_muls 17780
gchar_get_prec 18732
vec_lengthen 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22078
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22780
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25851
nfV_to_scalar_or_alg 26293
absfrac_shallow 27845
gal_get_den 27874
gal_get_invvdm 27881
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gchar_get_basis 32639
gal_get_roots 32753
F2xqX_div 33173
ndec2prec 33251
mkcolcopy 33491
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36865
gchar_get_ns 36865
closure_get_text 36981
gchar_get_nc 37131
FqX_rem 37743
F2v_to_F2x 37877
FqX_div 38548
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41521
znstar_get_Ui 46788
pari_calloc 47587
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50347
get_FpXQX_var 51630
locs_get_cyc 51955
div_content 58475
RgX_fpnorml2 61607
err_get_num 62459
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68305
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72821
Fq_to_FpXQ 73792
vecsmall_shorten 74577
bnr_get_mod 77119
gal_get_group 80392
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104246
mkmoo 108809
zeromat 109050
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114565
Q_abs_shallow 120246
mkmatcopy 122250
mkveccopy 122507
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138511
zeroser 138810
RgV_is_QV 140754
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165416
znstar_get_U 176051
rowslicepermute 184709
vecsmall_prepend 186991
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 200496
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207508
mkvec2s 220405
mkcol6 232484
ellR_get_prec 232582
zero_Flm_copy 235890
gchar_get_nf 241501
Fp_halve 247348
affc_fixlg 249591
rnf_get_nfpol 255354
znstar_get_cyc 261990
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277492
gchar_get_zm 279434
bnf_get_tuN 282981
bnf_get_fu_nocheck 289071
nf_get_G 303061
bnf_get_tuU 303548
vec_prepend 314095
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 330259
upr_norm 343873
RgX_renormalize 349807
abgrp_get_no 355171
ZM_hnfrem 363828
FqX_mul 367799
ellR_get_sign 371325
get_F2xqX_var 375375
vecsplice 384905
coltrunc_init 393680
cxtoreal 394438
RgX_is_QX 400117
perm_conj 418299
FqX_Fq_mul 427300
FqX_extgcd 444991
Z_issquare 458923
nf_get_disc 463837
precdbl 475372
RgX_shift_inplace 479267
RgX_shift_inplace_init 479267
zv_to_ZV 502975
vecsmall_to_vec 511536
nf_get_sign 517284
mkvec3s 524441
gdivsg 529205
addmuliu 541065
FqX_Fp_mul 572066
prec2nbits_mul 581138
vecsmall_ei 584672
ZM_ZV_mod 596597
RgC_fpnorml2 622070
FqX_is_squarefree 683802
vecreverse 697060
mkrfrac 698152
logint 752797
row 763989
rnf_get_nf 786030
gcmpgs 790666
ellff_get_a4a6 800032
zero_F2m_copy 845105
FpXX_renormalize 849896
zeropadic 855901
gmin_shallow 876311
affgr 898817
ZXQ_sqr 961048
cgetc 973495
Flx_lead 980029
polx_F2x 1078683
pr_norm 1086491
sstoQ 1097131
Fp_invsafe 1100349
Flx_mulu 1105168
vecsmall_max 1164521
RgV_isscalar 1208174
mkfracss 1209444
gen_I 1269491
ell_get_j 1295726
RgX_is_monomial 1331192
mkoo 1331929
bnf_get_sunits 1365638
bnr_get_nf 1368098
guncloneNULL_deep 1391660
rnf_get_absdegree 1392746
zero_Flx 1426762
constant_coeff 1441264
Rg_col_ei 1451195
inf_get_sign 1452994
vecsmall_concat 1464344
nf_get_varn 1503560
bid_get_mod 1521921
F2m_flip 1554199
F2v_flip 1554199
F2x_flip 1554199
F2x_div 1570239
nf_get_roots 1621293
bnf_get_gen 1678182
vec_ei 1714600
ulogint 1724341
gsubgs 1727402
mkvecsmall5 1730567
nf_get_roundG 1743974
abgrp_get_gen 1762895
ellinf 1868520
modpr_get_p 1888431
killblock 1902930
get_F2x_degree 1928992
Flx_div 1998980
ellnf_get_nf 2027605
ellff_get_field 2036859
bnr_get_bid 2045869
ell_get_b4 2135641
bid_get_MOD 2157257
bid_get_sprk 2157986
ZXQ_mul 2162034
pari_realloc_ip 2175228
zv_copy 2184089
bid_get_fact2 2201580
gc_slice 2204801
pol_xn 2249903
bid_get_archp 2397124
bid_get_fact 2498957
get_F2x_mod 2499118
rnf_get_degree 2506307
bnr_get_cyc 2522337
get_F2x_var 2534090
Flv_copy 2555348
ell_get_b8 2608978
mul_content 2651962
RgX_coeff 2668699
vecslicepermute 2690059
hash_str 2754901
cyc_get_expo 2755543
perm_inv 2782794
sqrtnr 2800188
bnr_get_clgp 2830021
zero_Flm 2830378
rnf_get_pol 2845157
znstar_get_pe 2868776
bnf_get_logfu 2872569
F2x_equal1 2873890
gisdouble 2984432
ell_get_b6 3055105
mkpolmod 3105018
Fq_red 3106305
bit_accuracy_mul 3175270
ZV_to_zv 3206067
identity_perm 3242709
F3m_coeff 3256711
identity_zv 3267052
znstar_get_conreygen 3289875
get_FpX_mod 3394320
vec_append 3461235
zero_F2v 3647541
bid_get_U 3680234
bnf_get_cyc 3681725
nf_get_index 3707960
bnr_get_bnf 3750909
pol_1 3756106
pol_x 3824789
mulsubii 3881895
pol1_F2x 3957249
vec_to_vecsmall 4031441
vecsmall_append 4111389
sqrfrac 4144410
vecsmall_copy 4404162
mkcol2s 4415404
F2x_equal 4655871
checkell_i 4677483
FpXQX_renormalize 4693599
mkmat 4748754
mkfraccopy 4959309
qfb_disc3 4987163
is_rational_t 5034703
bnf_get_clgp 5368434
pari_stack_delete 5412359
nf_get_zkprimpart 5412571
ell_get_b2 5432777
nf_get_zkden 5458332
FpX_div 5577209
isintm1 5703294
ell_get_a2 5709702
bid_get_cyc 5739604
bid_get_grp 5804457
pari_stack_init 5833197
col_ei 5923615
get_FpX_degree 6424487
Flm_copy 6429789
ell_get_a4 6522703
sqrti 6663431
mkvec4 6723456
ell_get_a3 6912840
get_FpX_var 6942129
RgX_div 7000628
vecsmall_lexcmp 7043218
veclast 7093184
ZM_lll 7108232
ell_get_a1 7116193
RgX_gtofp 7139652
znstar_get_faN 7330493
ZX_is_monic 7375963
zc_to_ZC 7819208
vecsmall_to_col 7833387
ell_get_a6 7961476
znstar_get_conreycyc 7978755
ell_get_c4 8021708
F2m_coeff 8033660
Q_abs 8062342
mkintmod 8092610
ZV_ZV_mod 8129056
RgM_gtofp 8248698
Flx_equal1 8327165
gc_INT_affii 8482930
Flm_row 8741965
ell_get_c6 8850357
cxtofp 9045081
ismpzero 9574686
is_intreal_t 9574797
const_col 9729417
RgM_dimensions 9742196
nf_get_invzk 9757921
bnf_get_nf 9852756
ser_isexactzero 10079479
mkcol 10634563
ZC_hnfrem 10682215
mul_denom 10706037
ell_get_disc 11280298
Fp_addmul 11395381
ell_get_type 11588409
vectrunc_init 11716642
pr_get_gen 12051977
abgrp_get_cyc 12225804
F2x_clear 12354854
F2v_clear 12354858
nbits2nlong 12645805
pol0_F2x 13236306
gmax_shallow 13510220
modpr_get_T 13865188
closure_get_frame 14141609
zeromatcopy 14233921
rowpermute 14704928
mkvec5 14725321
Fp_div 15034385
Fp_divu 15134129
vectrunc_append 15286798
pr_get_e 15947215
matslice 16815064
pr_is_inert 16889665
normalize_frac 17044743
isint1 17114457
mkvecsmall4 17828347
Fp_center_i 18047165
cxcompotor 18139410
qfb_disc 18514522
hash_str_len 19278525
const_vecsmall 19488337
vecpermute 20520047
nf_get_M 21066810
Flx_div_pre 21694449
RgM_shallowcopy 22159317
Fp_double 22287551
gmulgs 22315684
RgX_is_ZX 22414163
nf_get_r1 22789393
ZV_isscalar 22996718
Fp_inv 23398096
get_Flx_mod 25589186
pr_get_f 26015295
RgX_equal_var 26880626
zerovec 26922887
shallowcopy 27634645
mkqfb 28076473
Fp_neg 30882076
modpr_get_pr 31231233
RgV_is_ZV 31704127
submulii 32847018
mkmat2 33192741
RgC_gtofp 34001342
const_vec 34481927
zero_zv 36726332
polx_Flx 37815489
lincombii 38191000
znstar_get_N 38653372
closure_is_variadic 40149410
mkfrac 41615873
zeropol 42358471
powii 43176341
is_vec_t 43482963
absfrac 46614692
guncloneNULL 48139088
pr_get_tau 48824225
mkmat22 50164043
ell_is_inf 52512535
QV_isscalar 54377056
pol1_Flx 55033785
zero_Flv 59479084
addmuliu_inplace 59700428
submuliu_inplace 60189115
F2x_copy 60359379
gtodouble 60863654
is_real_t 62657703
qfb_is_qfi 62954098
Fp_sqr 64479408
Fp_mulu 67234380
get_Flx_var 68335290
mkvec 70242160
nf_get_degree 71318746
Fp_center 77228130
vecsmallpermute 78733960
rowslice 79343015
sqrtr 80233443
perm_mul 80929536
Fp_red 82036563
get_Flx_degree 82224670
pol_0 82993446
is_noncalc_t 85756184
gtos 85832523
cxnorm 90981920
pr_get_p 91649468
mkcomplex 91719629
dbllog2r 94075492
nf_get_pol 98009185
F2v_set 101397423
vecsmalltrunc_append 101446915
cgiv 101997985
RgX_copy 103399746
pol0_Flx 103485598
mkvecsmall3 103799632
prec2nbits 105881199
vecsmall_prefixcmp 108088071
gc_all 109978406
F2x_renormalize 115242583
mkvec3 117220179
zerocol 122245914
gaddgs 123247370
both_odd 124096223
gmulgu 124184361
nchar2nlong 124417991
F2x_set 124754854
mkvecsmall 131103791
equalim1 139049777
bit_prec 142892396
FpX_renormalize 144537165
ZX_renormalize 154865274
mkcol2 156647576
nbrows 157425783
uutoQ 159002008
leading_coeff 170546911
Flx_copy 173725918
Fp_add 181611891
mkvec2 184510572
nbits2prec 186975241
vecsmalltrunc_init 189485840
Fp_mul 201071683
Fp_sub 203113429
mkvecsmall2 232648612
gtofp 254150023
gc_GEN 255137893
is_universal_constant 292453038
lg_increase 313709416
closure_get_data 320703523
closure_get_oper 320722650
closure_codestr 320735646
lgcols 349940235
closure_arity 370586069
is_scalar_t 374716234
bin_copy 496213336
pari_free 509544165
is_bigint 560943685
leafcopy_avma 571911953
pari_stack_new 623700994
vecslice 656247063
is_matvec_t 658980274
F2v_coeff 661307628
F2x_coeff 667865414
pari_stack_alloc 717882575
pari_stack_base 723246464
pari_malloc 741025407
GENbinbase 962123683
gc_leaf 1132142172
equali1 1299980637
nbits2extraprec 1498947024
gc_upto 1920325461
odd 2081843082
is_pm1 2190488596
lgpol 2683215213
isintzero 2832425468
bit_accuracy 3160944931
gc_INT 4091359871
prec2lg 4509482546
is_const_t 4918018601
degpol 5499877777
icopy_avma 7978828218
remsBIL 8068059971
divsBIL 8158336211
isonstack 8210451830
is_recursive_t 9267026544

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