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 30561-4f4869c0e7) Lines: 1419 1532 92.6 %
Date: 2025-11-28 09:21:39 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 357
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
pari_err_IMPL 539
vecsmall_lengthen 547
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 630
gchar_set_nalg 630
gchar_set_nfree 630
gchar_set_ntors 630
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 945
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1225
gchar_set_prec 1225
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1288
locs_get_famod 1288
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 1575
gchar_set_cyc 1575
gchar_get_sfu 1743
gchar_set_evalprec 1813
mkintmodu 1813
gchar_get_nm 1869
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecsmall_min 2345
vecreverse_inplace 2605
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2862
gchar_set_nfprec 2968
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3983
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4144
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
gval 6230
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
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12893
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22083
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22788
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27874
gal_get_invvdm 27880
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29930
gal_get_roots 32752
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33509
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
F2v_to_F2x 37494
FqX_rem 37743
FqX_div 38564
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47699
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58475
RgX_fpnorml2 61607
err_get_num 62523
bid_get_gen 64274
nf_get_ramified_primes 64812
RgX_is_rational 68312
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73792
vecsmall_shorten 74580
bnr_get_mod 77119
gal_get_group 80394
mkcol3 88314
gtou 98318
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108850
zeromat 109102
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114572
Q_abs_shallow 120241
mkmatcopy 122238
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138521
zeroser 138908
RgV_is_QV 140759
FqX_factor 141072
get_FpXQX_mod 146583
FlxqX_div_pre 165409
znstar_get_U 176107
rowslicepermute 184701
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200483
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220419
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235918
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249618
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277495
gchar_get_zm 281911
bnf_get_tuN 282997
bnf_get_fu_nocheck 289064
nf_get_G 303567
bnf_get_tuU 303573
vec_prepend 313996
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334013
cxtoreal 337202
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355187
ZM_hnfrem 363861
FqX_mul 367815
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384902
RgX_is_QX 400148
perm_conj 418299
FqX_Fq_mul 427294
FqX_extgcd 445053
Z_issquare 458926
nf_get_disc 463865
precdbl 475508
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 503010
vecsmall_to_vec 511809
nf_get_sign 519553
mkvec3s 524441
gdivsg 531591
addmuliu 535753
FqX_Fp_mul 572124
prec2nbits_mul 581163
vecsmall_ei 584707
ZM_ZV_mod 596637
RgC_fpnorml2 622083
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754894
gcmpgs 761927
row 764010
rnf_get_nf 786030
ellff_get_a4a6 800031
zero_F2m_copy 845048
FpXX_renormalize 849896
zeropadic 855242
gmin_shallow 878324
affgr 898866
ZXQ_sqr 961086
cgetc 975455
Flx_lead 980292
polx_F2x 1072665
pr_norm 1088532
sstoQ 1097215
Fp_invsafe 1100554
Flx_mulu 1105504
vecsmall_max 1164709
mkfracss 1209563
RgV_isscalar 1210306
gen_I 1269829
RgX_is_monomial 1331814
mkoo 1332043
bnf_get_sunits 1367782
bnr_get_nf 1368107
rnf_get_absdegree 1392746
zero_Flx 1426586
constant_coeff 1441406
guncloneNULL_deep 1445526
Rg_col_ei 1451315
inf_get_sign 1453150
vecsmall_concat 1464306
nf_get_varn 1503710
bid_get_mod 1521922
F2m_flip 1553054
F2v_flip 1553054
F2x_flip 1553054
F2x_div 1554841
uutoQ 1600198
nf_get_roots 1627823
bnf_get_gen 1680319
vec_ei 1714594
gsubgs 1724810
mkvecsmall5 1731090
ulogint 1737525
nf_get_roundG 1746600
abgrp_get_gen 1765029
ellinf 1869225
modpr_get_p 1888430
get_F2x_degree 1928871
killblock 1930810
Flx_div 1998996
ellnf_get_nf 2027637
ellff_get_field 2036854
bnr_get_bid 2045862
ell_get_j 2126227
bid_get_MOD 2157249
bid_get_sprk 2157981
ZXQ_mul 2162092
zv_copy 2183987
bid_get_fact2 2201569
gc_slice 2205019
pol_xn 2249969
pari_realloc_ip 2268330
bid_get_archp 2397087
bid_get_fact 2498911
get_F2x_mod 2499235
rnf_get_degree 2506307
bnr_get_cyc 2522334
get_F2x_var 2533978
ell_get_b4 2550216
Flv_copy 2555242
mul_content 2654204
RgX_coeff 2669861
vecslicepermute 2689661
hash_str 2756815
cyc_get_expo 2757769
perm_inv 2782843
sqrtnr 2808772
bnr_get_clgp 2830005
zero_Flm 2830227
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2874180
bnf_get_logfu 2874709
gisdouble 2988065
mkpolmod 3105125
Fq_red 3106380
bit_accuracy_mul 3175472
ZV_to_zv 3211411
identity_perm 3242751
F3m_coeff 3256668
identity_zv 3267101
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394541
vec_append 3465566
zero_F2v 3647749
bid_get_U 3680229
bnf_get_cyc 3686067
nf_get_index 3711364
bnr_get_bnf 3750894
pol_1 3756414
pol_x 3858315
ell_get_b6 3863115
mulsubii 3882311
pol1_F2x 3956804
vec_to_vecsmall 4036828
vecsmall_append 4111347
sqrfrac 4148203
vecsmall_copy 4404139
mkcol2s 4416244
F2x_equal 4590672
FpXQX_renormalize 4693474
mkmat 4750910
qfb_disc3 4990852
mkfraccopy 4999317
is_rational_t 5035387
bnf_get_clgp 5374922
nf_get_zkprimpart 5416675
nf_get_zkden 5462428
FpX_div 5581228
checkell_i 5593354
pari_stack_delete 5619330
isintm1 5711129
bid_get_cyc 5739534
bid_get_grp 5804386
col_ei 5925968
pari_stack_init 6084321
get_FpX_degree 6424737
Flm_copy 6433585
sqrti 6666071
get_FpX_var 6957912
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106179
ZM_lll 7112688
RgX_gtofp 7147690
znstar_get_faN 7331711
ell_get_b2 7371036
ZX_is_monic 7376014
zc_to_ZC 7823490
vecsmall_to_col 7837671
znstar_get_conreycyc 7979693
F2m_coeff 8035621
Q_abs 8064095
mkintmod 8092736
ZV_ZV_mod 8131312
RgM_gtofp 8252853
Flx_equal1 8331293
gc_INT_affii 8489445
ell_get_a4 8536720
Flm_row 8741737
ell_get_a3 8814053
ell_get_a1 8997085
cxtofp 9085669
veclast 9372648
ismpzero 9583725
is_intreal_t 9583840
const_col 9729889
RgM_dimensions 9742284
nf_get_invzk 9766026
bnf_get_nf 9863703
mkvec4 10106294
ser_isexactzero 10120284
ell_get_a6 10370957
mkcol 10641000
ZC_hnfrem 10690785
mul_denom 10710108
ell_get_c4 11018073
Fp_addmul 11425732
pr_get_gen 12062856
vectrunc_init 12066509
abgrp_get_cyc 12230185
F2x_clear 12353468
F2v_clear 12353475
ell_get_type 12499385
nbits2nlong 12676708
pol0_F2x 13176083
ell_get_c6 13474466
gmax_shallow 13510221
modpr_get_T 13867758
closure_get_frame 14170032
zeromatcopy 14240802
rowpermute 14709456
Fp_div 15035992
Fp_divu 15130435
mkvec5 15185333
pr_get_e 15952626
vectrunc_append 16163235
ell_get_disc 16814889
matslice 16818060
pr_is_inert 16910215
normalize_frac 17205014
isint1 17586587
mkvecsmall4 17836728
Fp_center_i 18059821
cxcompotor 18223081
qfb_disc 18514429
const_vecsmall 19707552
vecpermute 20529817
nf_get_M 21171764
Flx_div_pre 21704808
RgM_shallowcopy 22170786
Fp_double 22408729
RgX_is_ZX 22422526
gmulgs 22512630
nf_get_r1 22892268
ZV_isscalar 23097951
Fp_inv 23440095
get_Flx_mod 25601310
pr_get_f 26041590
RgX_equal_var 26883192
shallowcopy 27640224
mkqfb 27919798
zerovec 28455543
modpr_get_pr 31238490
Fp_neg 31478524
hash_str_len 31550306
RgV_is_ZV 32167245
submulii 32847732
mkmat2 33658762
RgC_gtofp 34015312
const_vec 34479213
zero_zv 36721507
polx_Flx 37828896
lincombii 38193173
znstar_get_N 38655073
mkfrac 41642890
zeropol 42358716
powii 43178436
is_vec_t 43947898
closure_is_variadic 44821238
absfrac 46643780
guncloneNULL 48228729
pr_get_tau 48871971
mkmat22 50277711
ell_is_inf 52473944
QV_isscalar 54401487
pol1_Flx 55072558
zero_Flv 59479398
F2x_copy 59556291
addmuliu_inplace 59701573
submuliu_inplace 60195166
gtodouble 60798274
is_real_t 62063860
qfb_is_qfi 62947612
Fp_sqr 65037894
Fp_mulu 67338595
get_Flx_var 68389689
mkvec 71148163
nf_get_degree 71351070
Fp_center 77243437
vecsmallpermute 78733085
rowslice 79340551
sqrtr 80368434
perm_mul 80928601
get_Flx_degree 82020858
Fp_red 82086191
pol_0 83002097
gtos 85854589
is_noncalc_t 85864909
cxnorm 90945009
mkcomplex 91638122
pr_get_p 91708814
dbllog2r 92830139
nf_get_pol 98058956
vecsmalltrunc_append 101397423
F2v_set 101401149
cgiv 102111646
RgX_copy 103409056
pol0_Flx 103430690
prec2nbits 103964240
mkvecsmall3 104043906
vecsmall_prefixcmp 108088071
gc_all 110007740
F2x_renormalize 114225855
mkvec3 117013609
zerocol 122293431
gaddgs 123248574
both_odd 124124133
F2x_set 124516385
nchar2nlong 127413690
mkvecsmall 131604992
equalim1 139505748
bit_prec 142681109
FpX_renormalize 144583742
ZX_renormalize 155034679
mkcol2 156863953
nbrows 157481951
leading_coeff 170556171
Flx_copy 173775886
Fp_add 181736082
mkvec2 185166850
nbits2prec 186143666
vecsmalltrunc_init 190283445
Fp_mul 201166146
Fp_sub 204199495
mkvecsmall2 233637902
gtofp 254274312
gc_GEN 256228745
gmulgu 282059385
lg_increase 315624895
closure_get_data 321421891
closure_get_oper 321452030
closure_codestr 321482004
is_universal_constant 325895298
lgcols 350255222
closure_arity 371336320
is_scalar_t 375668639
bin_copy 497344262
pari_free 510756318
is_bigint 562610320
leafcopy_avma 576866052
vecslice 656181972
is_matvec_t 659382479
F2v_coeff 661308259
F2x_coeff 667838198
pari_malloc 746649943
pari_stack_new 924951214
GENbinbase 964378746
pari_stack_alloc 1019605637
pari_stack_base 1025228037
gc_leaf 1131841567
equali1 1175209837
nbits2extraprec 1456695767
gc_upto 1949243413
odd 2085648612
is_pm1 2202178735
lgpol 2679361247
isintzero 2838605502
bit_accuracy 3158631887
gc_INT 4104951130
prec2lg 4467362906
is_const_t 4889390956
degpol 5498965698
remsBIL 8002153136
icopy_avma 8036019041
divsBIL 8092035981
isonstack 8255865290
is_recursive_t 9237907619

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