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 30586-ccf601f509) Lines: 1420 1535 92.5 %
Date: 2025-12-25 09:21:36 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 238
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 8365
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
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 22085
gtomp 22428
RgM_fpnorml2 22662
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 26299
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 33279
mkcolcopy 33545
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37917
FqX_div 38567
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47713
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58522
RgX_fpnorml2 61495
err_get_num 62522
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 75642
bnr_get_mod 77118
gal_get_group 80387
mkcol3 88314
gtou 99526
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108786
zeromat 109140
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114509
Q_abs_shallow 120232
mkmatcopy 122257
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138463
zeroser 138908
RgV_is_QV 140725
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165413
znstar_get_U 176107
rowslicepermute 184835
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200477
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220244
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238205
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249623
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277488
gchar_get_zm 281911
bnf_get_tuN 282996
bnf_get_fu_nocheck 289077
bnf_get_tuU 303576
nf_get_G 303846
vec_prepend 313990
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334022
cxtoreal 337208
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 354942
ZM_hnfrem 363784
FqX_mul 367705
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384915
RgX_is_QX 399928
perm_conj 418299
FqX_Fq_mul 427294
FqX_extgcd 444666
Z_issquare 458706
nf_get_disc 463476
precdbl 475369
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519544
mkvec3s 524441
gdivsg 531591
addmuliu 535700
FqX_Fp_mul 571425
prec2nbits_mul 581166
vecsmall_ei 584759
ZM_ZV_mod 596452
RgC_fpnorml2 619834
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754836
gcmpgs 761927
row 763900
rnf_get_nf 786086
ellff_get_a4a6 800027
zero_F2m_copy 845056
FpXX_renormalize 849917
zeropadic 855810
gmin_shallow 877643
affgr 898866
ZXQ_sqr 960333
cgetc 975461
Flx_lead 978780
polx_F2x 1078280
pr_norm 1089420
sstoQ 1097215
Fp_invsafe 1100354
Flx_mulu 1105447
vecsmall_max 1164056
mkfracss 1209563
RgV_isscalar 1210275
gen_I 1269693
RgX_is_monomial 1331387
mkoo 1331959
bnf_get_sunits 1367769
bnr_get_nf 1368092
rnf_get_absdegree 1392746
zero_Flx 1426919
guncloneNULL_deep 1428351
constant_coeff 1441108
Rg_col_ei 1451065
inf_get_sign 1453001
vecsmall_concat 1464234
nf_get_varn 1503553
bid_get_mod 1521920
F2m_flip 1554206
F2v_flip 1554206
F2x_flip 1554206
F2x_div 1570448
uutoQ 1600198
nf_get_roots 1627888
bnf_get_gen 1680311
ulogint 1709664
vec_ei 1713893
mkvecsmall5 1717532
gsubgs 1724809
nf_get_roundG 1747179
abgrp_get_gen 1765025
ellinf 1869820
modpr_get_p 1888404
killblock 1917410
get_F2x_degree 1928919
Flx_div 1997979
ellnf_get_nf 2027252
ellff_get_field 2036844
bnr_get_bid 2046098
ell_get_j 2126269
bid_get_MOD 2157263
bid_get_sprk 2157995
ZXQ_mul 2161162
zv_copy 2183721
bid_get_fact2 2201583
gc_slice 2204143
pol_xn 2249256
pari_realloc_ip 2256556
bid_get_archp 2397136
bid_get_fact 2498928
get_F2x_mod 2499163
rnf_get_degree 2506335
bnr_get_cyc 2522554
get_F2x_var 2533800
ell_get_b4 2550216
Flv_copy 2554976
mul_content 2654148
RgX_coeff 2669861
vecslicepermute 2690353
hash_str 2756815
cyc_get_expo 2757544
perm_inv 2781959
sqrtnr 2809203
zero_Flm 2829555
bnr_get_clgp 2830217
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874039
bnf_get_logfu 2874776
gisdouble 2992503
mkpolmod 3103725
Fq_red 3106424
bit_accuracy_mul 3175472
ZV_to_zv 3211408
identity_perm 3241552
F3m_coeff 3255869
identity_zv 3265902
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394344
vec_append 3465106
zero_F2v 3647712
bid_get_U 3680241
bnf_get_cyc 3686153
nf_get_index 3711344
bnr_get_bnf 3751376
pol_1 3755657
pol_x 3856934
ell_get_b6 3863115
mulsubii 3881848
pol1_F2x 3956313
vec_to_vecsmall 4036631
vecsmall_append 4099601
sqrfrac 4148253
vecsmall_copy 4403843
mkcol2s 4416244
F2x_equal 4662238
FpXQX_renormalize 4693900
mkmat 4750966
qfb_disc3 4994738
mkfraccopy 4999441
is_rational_t 5032379
bnf_get_clgp 5374998
nf_get_zkprimpart 5417584
nf_get_zkden 5463316
pari_stack_delete 5554977
FpX_div 5581121
checkell_i 5593290
isintm1 5710115
bid_get_cyc 5739824
bid_get_grp 5804678
col_ei 5924662
pari_stack_init 6050489
get_FpX_degree 6424289
Flm_copy 6433427
sqrti 6664633
get_FpX_var 6957641
RgX_div 7000642
vecsmall_lexcmp 7043259
ell_get_a2 7106176
ZM_lll 7116620
RgX_gtofp 7144820
znstar_get_faN 7331711
ell_get_b2 7371035
ZX_is_monic 7374281
zc_to_ZC 7824420
vecsmall_to_col 7838602
znstar_get_conreycyc 7979693
F2m_coeff 8038618
Q_abs 8062554
mkintmod 8092707
ZV_ZV_mod 8131403
RgM_gtofp 8258171
Flx_equal1 8329945
gc_INT_affii 8493178
ell_get_a4 8536717
Flm_row 8741216
ell_get_a3 8814049
ell_get_a1 8997081
cxtofp 9078701
veclast 9372683
ismpzero 9585964
is_intreal_t 9586062
const_col 9729682
RgM_dimensions 9741499
nf_get_invzk 9767431
bnf_get_nf 9863893
mkvec4 10093558
ser_isexactzero 10120284
ell_get_a6 10370955
mkcol 10639859
ZC_hnfrem 10695889
mul_denom 10711131
ell_get_c4 11018187
Fp_addmul 11295170
vectrunc_init 11769269
pr_get_gen 12067182
abgrp_get_cyc 12230799
F2v_clear 12353956
F2x_clear 12353958
ell_get_type 12499046
nbits2nlong 12745489
pol0_F2x 13240277
ell_get_c6 13474558
gmax_shallow 13510200
modpr_get_T 13867532
closure_get_frame 14157615
zeromatcopy 14248978
rowpermute 14705858
Fp_div 15035081
Fp_divu 15129490
mkvec5 15185716
vectrunc_append 15852372
pr_get_e 16101895
ell_get_disc 16815380
matslice 16818929
pr_is_inert 17146048
normalize_frac 17205597
isint1 17584695
Fp_center_i 18038056
cxcompotor 18209051
qfb_disc 18502534
mkvecsmall4 18665400
const_vecsmall 19700005
vecpermute 20543440
Fp_double 20998682
nf_get_M 21306608
Flx_div_pre 21682698
RgM_shallowcopy 22173682
RgX_is_ZX 22423297
gmulgs 22613407
nf_get_r1 23027156
ZV_isscalar 23233362
Fp_inv 23438607
get_Flx_mod 25592590
pr_get_f 26341983
RgX_equal_var 26883023
shallowcopy 27627121
mkqfb 27927563
zerovec 28453582
modpr_get_pr 31237847
Fp_neg 31476431
hash_str_len 31544703
RgV_is_ZV 32158323
submulii 32838828
mkmat2 33652566
RgC_gtofp 34033849
const_vec 34470726
zero_zv 36731576
polx_Flx 37481643
lincombii 38214587
znstar_get_N 38655073
mkfrac 41641993
zeropol 42354025
powii 43127006
is_vec_t 43946237
closure_is_variadic 44788404
absfrac 46638413
guncloneNULL 47924477
pr_get_tau 49564623
mkmat22 50257143
ell_is_inf 52359244
QV_isscalar 54414872
pol1_Flx 55047867
zero_Flv 59653147
addmuliu_inplace 59655637
submuliu_inplace 60150545
F2x_copy 60460734
gtodouble 60779715
is_real_t 62062467
qfb_is_qfi 62327501
Fp_sqr 64160522
Fp_mulu 68035037
get_Flx_var 68347143
mkvec 71126205
nf_get_degree 71364218
Fp_center 77213715
vecsmallpermute 78703440
rowslice 79327729
sqrtr 80371714
perm_mul 80898871
Fp_red 82193693
get_Flx_degree 82456576
pol_0 82996683
gtos 85855693
is_noncalc_t 85876152
cxnorm 91199868
mkcomplex 91600802
pr_get_p 92475689
dbllog2r 92817425
nf_get_pol 98073552
vecsmalltrunc_append 100882969
F2v_set 101403557
cgiv 102264629
RgX_copy 103406295
pol0_Flx 103458606
prec2nbits 103967248
mkvecsmall3 104174295
vecsmall_prefixcmp 108088071
gc_all 109629719
F2x_renormalize 115220366
mkvec3 118384767
zerocol 122329321
gaddgs 123248635
both_odd 124095025
F2x_set 124713959
nchar2nlong 127388903
mkvecsmall 131610376
equalim1 139504915
bit_prec 142812966
FpX_renormalize 144203139
ZX_renormalize 154972860
mkcol2 156824618
nbrows 157446924
leading_coeff 170260524
Flx_copy 173165972
Fp_add 181251754
mkvec2 184875131
nbits2prec 186131884
vecsmalltrunc_init 189156959
Fp_mul 200869339
Fp_sub 203464980
mkvecsmall2 234837312
gtofp 254340731
gc_GEN 255498895
gmulgu 282059385
lg_increase 315203304
closure_get_data 321543229
closure_get_oper 321558815
closure_codestr 321572835
is_universal_constant 325714639
lgcols 350617486
closure_arity 371447505
is_scalar_t 375661537
bin_copy 495998924
pari_free 509354709
is_bigint 562948432
leafcopy_avma 577290293
vecslice 656194805
is_matvec_t 659594832
F2v_coeff 661321108
F2x_coeff 667830995
pari_malloc 745263291
pari_stack_new 925058491
GENbinbase 961779077
pari_stack_alloc 1019745372
pari_stack_base 1025256246
gc_leaf 1136141867
equali1 1174231463
nbits2extraprec 1457279288
gc_upto 1952005958
odd 2088643482
is_pm1 2203251872
lgpol 2685857962
isintzero 2843194390
bit_accuracy 3156168875
gc_INT 4107716301
prec2lg 4469599241
is_const_t 4894216976
degpol 5492837096
remsBIL 7997700231
icopy_avma 8035973241
divsBIL 8088597846
isonstack 8267292676
is_recursive_t 9234341840

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