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 30547-1b347192b6) Lines: 1420 1532 92.7 %
Date: 2025-11-12 09:22:59 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
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
pari_err_DOMAIN 2841
rnf_get_ramified_primes 2849
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 4123
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
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
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 22781
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26299
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gal_get_roots 32753
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33505
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37792
FqX_div 38548
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47671
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58477
RgX_fpnorml2 61607
err_get_num 62529
bid_get_gen 64274
nf_get_ramified_primes 64812
RgX_is_rational 68305
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 80393
mkcol3 88314
gtou 98308
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108849
zeromat 109120
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114573
Q_abs_shallow 120243
mkmatcopy 122242
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138525
zeroser 138908
RgV_is_QV 140763
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 184802
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200499
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220418
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235921
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249621
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277496
gchar_get_zm 281911
bnf_get_tuN 283000
bnf_get_fu_nocheck 289085
bnf_get_tuU 303578
nf_get_G 303611
vec_prepend 313990
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333153
cxtoreal 337206
upr_norm 346133
RgX_renormalize 349807
abgrp_get_no 355187
ZM_hnfrem 363860
FqX_mul 367816
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384908
RgX_is_QX 400126
perm_conj 418299
FqX_Fq_mul 427286
FqX_extgcd 445049
Z_issquare 458926
nf_get_disc 463866
precdbl 475514
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503010
vecsmall_to_vec 511809
nf_get_sign 519553
mkvec3s 524441
gdivsg 531591
addmuliu 541056
FqX_Fp_mul 572120
prec2nbits_mul 581167
vecsmall_ei 584702
ZM_ZV_mod 596594
RgC_fpnorml2 622066
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 755031
gcmpgs 761920
row 764010
rnf_get_nf 786030
ellff_get_a4a6 800036
zero_F2m_copy 845110
FpXX_renormalize 849896
zeropadic 855524
gmin_shallow 878316
affgr 898866
ZXQ_sqr 961086
cgetc 975459
Flx_lead 979634
polx_F2x 1078490
pr_norm 1088589
sstoQ 1097215
Fp_invsafe 1100358
Flx_mulu 1105132
vecsmall_max 1164533
mkfracss 1209563
RgV_isscalar 1210305
gen_I 1269841
RgX_is_monomial 1331703
mkoo 1332009
bnf_get_sunits 1367777
bnr_get_nf 1368106
rnf_get_absdegree 1392746
zero_Flx 1427041
guncloneNULL_deep 1440798
constant_coeff 1441502
Rg_col_ei 1451313
inf_get_sign 1453114
vecsmall_concat 1464420
nf_get_varn 1503569
bid_get_mod 1521922
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570209
uutoQ 1600198
nf_get_roots 1627870
bnf_get_gen 1680316
vec_ei 1714654
ulogint 1722293
gsubgs 1724810
mkvecsmall5 1731081
nf_get_roundG 1746630
abgrp_get_gen 1765028
ellinf 1869915
modpr_get_p 1888431
get_F2x_degree 1928976
killblock 1929517
Flx_div 1999028
ellnf_get_nf 2027585
ellff_get_field 2036861
bnr_get_bid 2045866
ell_get_j 2126227
bid_get_MOD 2157275
bid_get_sprk 2157998
ZXQ_mul 2162033
zv_copy 2184061
bid_get_fact2 2201599
gc_slice 2204954
pol_xn 2249948
pari_realloc_ip 2267615
bid_get_archp 2397115
bid_get_fact 2498937
get_F2x_mod 2499216
rnf_get_degree 2506307
bnr_get_cyc 2522326
get_F2x_var 2534118
ell_get_b4 2550216
Flv_copy 2555321
mul_content 2654089
RgX_coeff 2669861
vecslicepermute 2690034
hash_str 2756815
cyc_get_expo 2757788
perm_inv 2782855
sqrtnr 2807599
bnr_get_clgp 2830000
zero_Flm 2830151
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2874131
bnf_get_logfu 2874715
gisdouble 2987667
mkpolmod 3105019
Fq_red 3106457
bit_accuracy_mul 3175472
ZV_to_zv 3211414
identity_perm 3242524
F3m_coeff 3256705
identity_zv 3266873
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394330
vec_append 3465615
zero_F2v 3648092
bid_get_U 3680248
bnf_get_cyc 3686074
nf_get_index 3711294
bnr_get_bnf 3750905
pol_1 3756332
pol_x 3858227
ell_get_b6 3863115
mulsubii 3881788
pol1_F2x 3957281
vec_to_vecsmall 4036844
vecsmall_append 4111371
sqrfrac 4148208
vecsmall_copy 4404182
mkcol2s 4416244
F2x_equal 4657662
FpXQX_renormalize 4693634
mkmat 4750836
qfb_disc3 4990966
mkfraccopy 4999055
is_rational_t 5035302
bnf_get_clgp 5374930
nf_get_zkprimpart 5416338
nf_get_zkden 5462124
FpX_div 5581075
checkell_i 5593289
pari_stack_delete 5620192
isintm1 5711172
bid_get_cyc 5739590
bid_get_grp 5804443
col_ei 5925854
pari_stack_init 6083789
get_FpX_degree 6424426
Flm_copy 6433586
sqrti 6665656
get_FpX_var 6957930
RgX_div 7000740
vecsmall_lexcmp 7043255
ell_get_a2 7106152
ZM_lll 7112513
RgX_gtofp 7147778
znstar_get_faN 7330731
ell_get_b2 7371040
ZX_is_monic 7375997
zc_to_ZC 7823732
vecsmall_to_col 7837912
znstar_get_conreycyc 7978902
F2m_coeff 8039187
Q_abs 8062588
mkintmod 8092738
ZV_ZV_mod 8131259
RgM_gtofp 8252430
Flx_equal1 8327471
gc_INT_affii 8490418
ell_get_a4 8536693
Flm_row 8742366
ell_get_a3 8814030
ell_get_a1 8997062
cxtofp 9082854
veclast 9372662
ismpzero 9583654
is_intreal_t 9583761
const_col 9729856
RgM_dimensions 9742130
nf_get_invzk 9765403
bnf_get_nf 9863733
mkvec4 10106080
ser_isexactzero 10120284
ell_get_a6 10370931
mkcol 10640910
ZC_hnfrem 10690829
mul_denom 10709836
ell_get_c4 11017739
Fp_addmul 11422504
pr_get_gen 12062070
vectrunc_init 12065006
abgrp_get_cyc 12230244
F2v_clear 12355557
F2x_clear 12355564
ell_get_type 12499350
nbits2nlong 12647088
pol0_F2x 13240215
ell_get_c6 13474159
gmax_shallow 13510221
modpr_get_T 13867559
closure_get_frame 14169476
zeromatcopy 14240442
rowpermute 14709405
Fp_div 15036181
Fp_divu 15135909
mkvec5 15184921
pr_get_e 15952701
vectrunc_append 16161723
ell_get_disc 16814895
matslice 16817639
pr_is_inert 16910260
normalize_frac 17204631
isint1 17585299
mkvecsmall4 17836531
Fp_center_i 18050881
cxcompotor 18217475
qfb_disc 18514510
const_vecsmall 19706132
vecpermute 20530265
nf_get_M 21172097
Flx_div_pre 21700079
RgM_shallowcopy 22170097
RgX_is_ZX 22421862
Fp_double 22427537
gmulgs 22474452
nf_get_r1 22892611
ZV_isscalar 23098298
Fp_inv 23437919
get_Flx_mod 25599775
pr_get_f 26040973
RgX_equal_var 26880619
shallowcopy 27640012
mkqfb 27920039
zerovec 28455584
modpr_get_pr 31237941
Fp_neg 31485890
hash_str_len 31549729
RgV_is_ZV 32164053
submulii 32847018
mkmat2 33658778
RgC_gtofp 34011549
const_vec 34480871
zero_zv 36736174
polx_Flx 37822727
lincombii 38194659
znstar_get_N 38653757
closure_is_variadic 40168048
mkfrac 41638438
zeropol 42358638
powii 43178423
is_vec_t 43940237
absfrac 46641946
guncloneNULL 48225418
pr_get_tau 48872028
mkmat22 50273565
ell_is_inf 52468213
QV_isscalar 54401363
pol1_Flx 55054383
zero_Flv 59495079
addmuliu_inplace 59771804
submuliu_inplace 60263680
F2x_copy 60397177
gtodouble 60799505
is_real_t 62063855
qfb_is_qfi 62946025
Fp_sqr 64996019
get_Flx_var 68355586
Fp_mulu 70665334
mkvec 71140042
nf_get_degree 71350626
Fp_center 77226176
vecsmallpermute 78732714
rowslice 79337920
sqrtr 80367337
perm_mul 80928346
Fp_red 82095657
pol_0 83001694
get_Flx_degree 83631937
gtos 85854568
is_noncalc_t 85862577
cxnorm 90945174
mkcomplex 91629566
pr_get_p 91708856
dbllog2r 92829917
nf_get_pol 98056421
F2v_set 101404268
vecsmalltrunc_append 101489891
cgiv 102119935
RgX_copy 103405403
pol0_Flx 103490730
prec2nbits 103957647
mkvecsmall3 104037282
vecsmall_prefixcmp 108088071
gc_all 109991666
F2x_renormalize 115211045
mkvec3 121968271
zerocol 122287386
gaddgs 123247582
both_odd 123916232
F2x_set 124731553
nchar2nlong 127406287
mkvecsmall 131665503
equalim1 139504523
bit_prec 142668262
FpX_renormalize 144589363
ZX_renormalize 155012367
mkcol2 156852058
nbrows 157466939
leading_coeff 170556095
Flx_copy 173776285
Fp_add 181799484
mkvec2 184946163
nbits2prec 186125487
vecsmalltrunc_init 190000486
Fp_mul 201177734
Fp_sub 203750623
mkvecsmall2 233600638
gtofp 254271552
gc_GEN 256163278
gmulgu 282059385
lg_increase 315468912
closure_get_data 321439629
closure_get_oper 321463599
closure_codestr 321476170
is_universal_constant 325878199
lgcols 350241222
closure_arity 371351666
is_scalar_t 375665577
bin_copy 497300004
pari_free 510706457
is_bigint 562588862
leafcopy_avma 577048147
vecslice 655999986
is_matvec_t 659415288
F2v_coeff 661329633
F2x_coeff 667872927
pari_malloc 746592196
pari_stack_new 924931710
GENbinbase 964295710
pari_stack_alloc 1019625656
pari_stack_base 1025220755
gc_leaf 1137606619
equali1 1175177986
nbits2extraprec 1456568052
gc_upto 1949118826
odd 2084907255
is_pm1 2203856117
lgpol 2691760252
isintzero 2837771447
bit_accuracy 3162773528
gc_INT 4104968968
prec2lg 4466966802
is_const_t 4888447452
degpol 5518381523
remsBIL 8006398045
icopy_avma 8035950535
divsBIL 8097451176
isonstack 8261610372
is_recursive_t 9238101700

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