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 30615-cf6389b5bf) Lines: 1420 1535 92.5 %
Date: 2026-01-16 09:21:08 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
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
mkvec5s 0
mkvec6 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 119
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 245
zm_transpose 266
rowsplice 273
err_get_compo 294
pol_xnall 294
mkvec6s 301
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 4445
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6006
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 7700
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
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11556
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13628
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15435
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 18960
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22079
gtomp 22428
RgM_fpnorml2 22661
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23758
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27867
gal_get_invvdm 27874
absfrac_shallow 28237
gequalgs 29176
zerovec_block 29654
gener_Fq_local 29946
gal_get_roots 32732
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33314
mkcolcopy 33556
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37065
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37764
FqX_div 38569
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41584
znstar_get_Ui 46788
pari_calloc 47720
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58505
RgX_fpnorml2 61495
err_get_num 62536
bid_get_gen 64274
nf_get_ramified_primes 64644
RgX_is_rational 68164
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69699
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73652
vecsmall_shorten 75638
bnr_get_mod 77119
gal_get_group 80387
mkcol3 88314
gtou 99530
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108795
zeromat 109069
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114529
Q_abs_shallow 120249
mkmatcopy 122278
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138443
zeroser 138908
RgV_is_QV 140734
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165416
znstar_get_U 176107
rowslicepermute 185116
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200436
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220246
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238231
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249621
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277487
gchar_get_zm 281911
bnf_get_tuN 282993
bnf_get_fu_nocheck 289083
bnf_get_tuU 303578
nf_get_G 304859
vec_prepend 313999
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333911
cxtoreal 337208
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 354947
ZM_hnfrem 363777
FqX_mul 367703
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384915
RgX_is_QX 399931
perm_conj 418299
FqX_Fq_mul 427286
FqX_extgcd 444667
Z_issquare 458709
nf_get_disc 463476
precdbl 475386
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519550
mkvec3s 524441
gdivsg 531592
addmuliu 535808
FqX_Fp_mul 571429
prec2nbits_mul 581167
vecsmall_ei 584724
ZM_ZV_mod 596406
RgC_fpnorml2 619848
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754833
gcmpgs 761924
row 763882
rnf_get_nf 786086
ellff_get_a4a6 800035
zero_F2m_copy 845028
FpXX_renormalize 849917
zeropadic 855997
gmin_shallow 877647
affgr 898901
ZXQ_sqr 960437
cgetc 975461
Flx_lead 978957
polx_F2x 1078105
pr_norm 1090488
sstoQ 1097215
Fp_invsafe 1100365
Flx_mulu 1105298
vecsmall_max 1164148
mkfracss 1209563
RgV_isscalar 1210272
gen_I 1269737
RgX_is_monomial 1331365
mkoo 1331896
bnf_get_sunits 1367776
rnf_get_absdegree 1392746
bnr_get_nf 1399080
zero_Flx 1426669
constant_coeff 1441123
guncloneNULL_deep 1444379
Rg_col_ei 1451022
inf_get_sign 1452939
vecsmall_concat 1464230
nf_get_varn 1503765
bid_get_mod 1521921
F2m_flip 1554050
F2v_flip 1554050
F2x_flip 1554050
F2x_div 1569778
uutoQ 1600198
nf_get_roots 1628941
bnf_get_gen 1680332
vec_ei 1713884
mkvecsmall5 1717523
ulogint 1722952
gsubgs 1724805
nf_get_roundG 1748173
abgrp_get_gen 1765045
ellinf 1869536
modpr_get_p 1887627
killblock 1923743
get_F2x_degree 1929074
Flx_div 1998007
ellnf_get_nf 2027238
ellff_get_field 2036876
bnr_get_bid 2046095
ell_get_j 2126269
bid_get_MOD 2157242
bid_get_sprk 2157969
ZXQ_mul 2161249
zv_copy 2183818
bid_get_fact2 2201565
gc_slice 2204204
pol_xn 2249296
pari_realloc_ip 2254555
bid_get_archp 2397088
bid_get_fact 2498901
get_F2x_mod 2499221
rnf_get_degree 2506335
bnr_get_cyc 2522551
get_F2x_var 2534104
ell_get_b4 2550216
Flv_copy 2555052
mul_content 2657053
RgX_coeff 2669861
vecslicepermute 2690672
hash_str 2756813
cyc_get_expo 2757542
perm_inv 2781910
sqrtnr 2810185
zero_Flm 2829446
bnr_get_clgp 2830227
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2873783
bnf_get_logfu 2874763
gisdouble 2996466
mkpolmod 3103724
Fq_red 3106200
bit_accuracy_mul 3175484
ZV_to_zv 3211408
identity_perm 3241513
F3m_coeff 3255864
identity_zv 3265864
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394377
vec_append 3465076
zero_F2v 3647692
bid_get_U 3680219
bnf_get_cyc 3686170
bnr_get_bnf 3710955
nf_get_index 3711367
pol_1 3755706
pol_x 3857113
ell_get_b6 3863115
mulsubii 3881931
pol1_F2x 3958118
vec_to_vecsmall 4036608
vecsmall_append 4099604
sqrfrac 4148204
vecsmall_copy 4403892
mkcol2s 4416244
F2x_equal 4657215
FpXQX_renormalize 4693799
mkmat 4750885
qfb_disc3 4995751
mkfraccopy 4999407
is_rational_t 5032537
bnf_get_clgp 5375045
nf_get_zkprimpart 5414061
nf_get_zkden 5459866
FpX_div 5581175
checkell_i 5593232
pari_stack_delete 5623621
isintm1 5710242
bid_get_cyc 5739786
bid_get_grp 5804639
col_ei 5924457
pari_stack_init 6051015
get_FpX_degree 6424303
Flm_copy 6433423
sqrti 6610173
get_FpX_var 6957245
RgX_div 7000642
vecsmall_lexcmp 7043259
ell_get_a2 7106188
ZM_lll 7117687
RgX_gtofp 7144869
znstar_get_faN 7331711
ell_get_b2 7371026
ZX_is_monic 7374296
zc_to_ZC 7824678
vecsmall_to_col 7838859
znstar_get_conreycyc 7979693
F2m_coeff 8038313
Q_abs 8062643
mkintmod 8092556
ZV_ZV_mod 8131365
RgM_gtofp 8257897
Flx_equal1 8329500
gc_INT_affii 8486131
ell_get_a4 8536729
Flm_row 8741445
ell_get_a3 8814052
ell_get_a1 8997084
cxtofp 9080615
veclast 9372716
ismpzero 9584563
is_intreal_t 9584668
const_col 9729687
RgM_dimensions 9741686
nf_get_invzk 9767412
bnf_get_nf 9865175
mkvec4 10093856
ser_isexactzero 10120284
ell_get_a6 10370967
mkcol 10639647
ZC_hnfrem 10697381
mul_denom 10707714
ell_get_c4 11017455
Fp_addmul 11274829
vectrunc_init 11768695
pr_get_gen 12070950
abgrp_get_cyc 12230730
F2x_clear 12353469
F2v_clear 12353474
ell_get_type 12498694
nbits2nlong 12750271
pol0_F2x 13241919
ell_get_c6 13473879
gmax_shallow 13510197
modpr_get_T 13867139
closure_get_frame 14157850
zeromatcopy 14249858
rowpermute 14705391
Fp_div 15034691
Fp_divu 15129230
mkvec5 15185705
vectrunc_append 15851992
pr_get_e 16161782
ell_get_disc 16814217
matslice 16817474
normalize_frac 17205007
pr_is_inert 17223866
isint1 17584892
Fp_center_i 17993687
cxcompotor 18212872
qfb_disc 18502550
mkvecsmall4 18641169
const_vecsmall 19705762
vecpermute 20548897
Fp_double 20944683
Flx_div_pre 21687443
nf_get_M 21745931
RgM_shallowcopy 22179175
RgX_is_ZX 22423355
gmulgs 22632183
Fp_inv 23440611
nf_get_r1 23466417
ZV_isscalar 23675165
get_Flx_mod 25588900
pr_get_f 26442891
RgX_equal_var 26883019
shallowcopy 27631492
mkqfb 27929638
zerovec 28453589
modpr_get_pr 31236607
Fp_neg 31481079
hash_str_len 31544986
submulii 31982591
RgV_is_ZV 32158271
mkmat2 33653920
RgC_gtofp 34032644
const_vec 34472741
zero_zv 36733443
polx_Flx 37476728
lincombii 38236674
znstar_get_N 38655073
mkfrac 41641701
zeropol 42353924
powii 43130395
is_vec_t 43952563
closure_is_variadic 44789517
absfrac 46638669
guncloneNULL 47942201
pr_get_tau 49767979
mkmat22 50276448
ell_is_inf 52322989
QV_isscalar 54415353
pol1_Flx 55043202
addmuliu_inplace 59645643
zero_Flv 59672589
submuliu_inplace 60143497
F2x_copy 60422698
gtodouble 60779551
is_real_t 62062463
qfb_is_qfi 62332240
Fp_sqr 63848706
get_Flx_var 68336635
Fp_mulu 69199082
mkvec 71057120
nf_get_degree 71368482
Fp_center 77151065
vecsmallpermute 78696311
rowslice 79303941
sqrtr 80372489
perm_mul 80891638
Fp_red 82189322
pol_0 82996609
get_Flx_degree 83050856
gtos 85855707
is_noncalc_t 85870788
cxnorm 91201190
mkcomplex 91618192
pr_get_p 92749830
dbllog2r 92818764
nf_get_pol 98105896
vecsmalltrunc_append 100726742
F2v_set 101403097
cgiv 102676258
RgX_copy 103406808
pol0_Flx 103459481
prec2nbits 103960218
mkvecsmall3 104160935
vecsmall_prefixcmp 108088071
gc_all 109637225
F2x_renormalize 115193769
mkvec3 120214828
zerocol 122334413
gaddgs 123248656
both_odd 123794609
F2x_set 124751260
nchar2nlong 127394295
mkvecsmall 131622535
equalim1 139505098
bit_prec 143255626
FpX_renormalize 144190875
ZX_renormalize 154946838
mkcol2 156850308
nbrows 157466812
leading_coeff 170257744
Flx_copy 173124857
Fp_add 181143379
mkvec2 184499502
nbits2prec 186136624
vecsmalltrunc_init 188215191
Fp_mul 200773566
Fp_sub 203290073
mkvecsmall2 234773692
gtofp 254337794
gc_GEN 255404074
gmulgu 282059385
lg_increase 313019286
closure_get_data 321570640
closure_get_oper 321592924
closure_codestr 321609348
is_universal_constant 325874557
lgcols 351569925
closure_arity 371468391
is_scalar_t 375657425
bin_copy 496054902
pari_free 509472340
is_bigint 563403169
leafcopy_avma 577057488
vecslice 656082521
is_matvec_t 659649268
F2v_coeff 661318884
F2x_coeff 667933427
pari_malloc 745341951
pari_stack_new 925022211
GENbinbase 961912984
pari_stack_alloc 1019670595
pari_stack_base 1025291700
gc_leaf 1139415488
equali1 1174330829
nbits2extraprec 1457430174
gc_upto 1953335380
odd 2089171499
is_pm1 2205770400
lgpol 2687765591
isintzero 2843575041
bit_accuracy 3159418234
gc_INT 4110791485
prec2lg 4469363464
is_const_t 4894327978
degpol 5494626057
remsBIL 7997324410
icopy_avma 8039577550
divsBIL 8088287752
isonstack 8273998633
is_recursive_t 9235120057

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