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 30608-ad1edb9ceb) Lines: 1420 1535 92.5 %
Date: 2026-01-13 09:22:00 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 11557
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 17023
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 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 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 33279
mkcolcopy 33558
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 37851
FqX_div 38568
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
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 61496
err_get_num 62536
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68165
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 75643
bnr_get_mod 77119
gal_get_group 80386
mkcol3 88314
gtou 99527
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108794
zeromat 109092
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114529
Q_abs_shallow 120218
mkmatcopy 122277
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138443
zeroser 138908
RgV_is_QV 140731
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165418
znstar_get_U 176107
rowslicepermute 185002
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200479
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220248
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238233
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 277490
gchar_get_zm 281911
bnf_get_tuN 282992
bnf_get_fu_nocheck 289072
bnf_get_tuU 303574
nf_get_G 304868
vec_prepend 313996
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333997
cxtoreal 337207
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 354949
ZM_hnfrem 363774
FqX_mul 367701
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384920
RgX_is_QX 399938
perm_conj 418299
FqX_Fq_mul 427289
FqX_extgcd 444665
Z_issquare 458711
nf_get_disc 463478
precdbl 475373
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519552
mkvec3s 524441
gdivsg 531589
addmuliu 535745
FqX_Fp_mul 571446
prec2nbits_mul 581165
vecsmall_ei 584721
ZM_ZV_mod 596472
RgC_fpnorml2 619858
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754825
gcmpgs 761919
row 763892
rnf_get_nf 786086
ellff_get_a4a6 800024
zero_F2m_copy 845063
FpXX_renormalize 849917
zeropadic 855663
gmin_shallow 877656
affgr 898866
ZXQ_sqr 960341
cgetc 975460
Flx_lead 978701
polx_F2x 1078475
pr_norm 1090458
sstoQ 1097215
Fp_invsafe 1100329
Flx_mulu 1105405
vecsmall_max 1163837
mkfracss 1209563
RgV_isscalar 1210273
gen_I 1269731
RgX_is_monomial 1331332
mkoo 1331892
bnf_get_sunits 1367775
rnf_get_absdegree 1392746
bnr_get_nf 1399076
zero_Flx 1426711
guncloneNULL_deep 1434240
constant_coeff 1441131
Rg_col_ei 1450994
inf_get_sign 1452945
vecsmall_concat 1464233
nf_get_varn 1503550
bid_get_mod 1521921
F2m_flip 1554315
F2v_flip 1554315
F2x_flip 1554315
F2x_div 1571107
uutoQ 1600198
nf_get_roots 1628924
bnf_get_gen 1680312
vec_ei 1713833
ulogint 1716510
mkvecsmall5 1717522
gsubgs 1724807
nf_get_roundG 1748181
abgrp_get_gen 1765028
ellinf 1870092
modpr_get_p 1887627
killblock 1918753
get_F2x_degree 1928996
Flx_div 1997936
ellnf_get_nf 2027226
ellff_get_field 2036851
bnr_get_bid 2046084
ell_get_j 2126269
bid_get_MOD 2157249
bid_get_sprk 2157972
ZXQ_mul 2161164
zv_copy 2183717
bid_get_fact2 2201433
gc_slice 2203986
pol_xn 2249294
pari_realloc_ip 2254878
bid_get_archp 2397110
bid_get_fact 2498941
get_F2x_mod 2499159
rnf_get_degree 2506335
bnr_get_cyc 2522569
get_F2x_var 2533895
ell_get_b4 2550216
Flv_copy 2554963
mul_content 2657126
RgX_coeff 2669861
vecslicepermute 2690445
hash_str 2756813
cyc_get_expo 2757541
perm_inv 2781937
sqrtnr 2810210
zero_Flm 2829476
bnr_get_clgp 2830249
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2873982
bnf_get_logfu 2874744
gisdouble 2996460
mkpolmod 3103727
Fq_red 3106232
bit_accuracy_mul 3175472
ZV_to_zv 3211407
identity_perm 3241559
F3m_coeff 3255869
identity_zv 3265909
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394355
vec_append 3465049
zero_F2v 3647749
bid_get_U 3680228
bnf_get_cyc 3686151
bnr_get_bnf 3710942
nf_get_index 3711388
pol_1 3755666
pol_x 3856887
ell_get_b6 3863115
mulsubii 3881735
pol1_F2x 3956981
vec_to_vecsmall 4036613
vecsmall_append 4099613
sqrfrac 4148224
vecsmall_copy 4403866
mkcol2s 4416244
F2x_equal 4664729
FpXQX_renormalize 4694457
mkmat 4750918
qfb_disc3 4996034
mkfraccopy 4999688
is_rational_t 5032488
bnf_get_clgp 5375008
nf_get_zkprimpart 5414003
nf_get_zkden 5459823
pari_stack_delete 5577787
FpX_div 5581176
checkell_i 5593241
isintm1 5710143
bid_get_cyc 5739823
bid_get_grp 5804673
col_ei 5924573
pari_stack_init 6051368
get_FpX_degree 6424489
Flm_copy 6433418
sqrti 6610143
get_FpX_var 6958041
RgX_div 7000642
vecsmall_lexcmp 7043259
ell_get_a2 7106181
ZM_lll 7117879
RgX_gtofp 7144724
znstar_get_faN 7331711
ell_get_b2 7371026
ZX_is_monic 7374298
zc_to_ZC 7824538
vecsmall_to_col 7838720
znstar_get_conreycyc 7979693
F2m_coeff 8038928
Q_abs 8062651
mkintmod 8092581
ZV_ZV_mod 8131488
RgM_gtofp 8258198
Flx_equal1 8329822
gc_INT_affii 8487986
ell_get_a4 8536722
Flm_row 8741078
ell_get_a3 8814045
ell_get_a1 8997076
cxtofp 9078335
veclast 9372687
ismpzero 9584611
is_intreal_t 9584714
const_col 9729689
RgM_dimensions 9741704
nf_get_invzk 9767418
bnf_get_nf 9865152
mkvec4 10093808
ser_isexactzero 10120284
ell_get_a6 10370960
mkcol 10639688
ZC_hnfrem 10697522
mul_denom 10707913
ell_get_c4 11017576
Fp_addmul 11228461
vectrunc_init 11768102
pr_get_gen 12071141
abgrp_get_cyc 12230687
F2v_clear 12354054
F2x_clear 12354054
ell_get_type 12498772
nbits2nlong 12748476
pol0_F2x 13246174
ell_get_c6 13473980
gmax_shallow 13510199
modpr_get_T 13867153
closure_get_frame 14158181
zeromatcopy 14250292
rowpermute 14705406
Fp_div 15034224
Fp_divu 15128663
mkvec5 15185696
vectrunc_append 15852309
pr_get_e 16162049
ell_get_disc 16814408
matslice 16819273
normalize_frac 17206052
pr_is_inert 17224044
isint1 17584762
Fp_center_i 18005570
cxcompotor 18208493
qfb_disc 18502484
mkvecsmall4 18654218
const_vecsmall 19705893
vecpermute 20548169
Fp_double 20799256
Flx_div_pre 21688682
nf_get_M 21745662
RgM_shallowcopy 22179180
RgX_is_ZX 22423199
gmulgs 22622419
Fp_inv 23440607
nf_get_r1 23466094
ZV_isscalar 23674921
get_Flx_mod 25594622
pr_get_f 26442970
RgX_equal_var 26883012
shallowcopy 27631507
mkqfb 27930193
zerovec 28453484
modpr_get_pr 31236633
Fp_neg 31478287
hash_str_len 31544927
submulii 31982591
RgV_is_ZV 32158274
mkmat2 33654193
RgC_gtofp 34032589
const_vec 34477894
zero_zv 36733095
polx_Flx 37484188
lincombii 38238504
znstar_get_N 38655073
mkfrac 41640441
zeropol 42354032
powii 43130346
is_vec_t 43946158
closure_is_variadic 44789782
absfrac 46638735
guncloneNULL 47930616
pr_get_tau 49768494
mkmat22 50281248
ell_is_inf 52370207
QV_isscalar 54416698
pol1_Flx 55052069
addmuliu_inplace 59648853
zero_Flv 59671112
submuliu_inplace 60139320
F2x_copy 60464948
gtodouble 60776271
is_real_t 62062464
qfb_is_qfi 62321917
Fp_sqr 63352306
Fp_mulu 68110254
get_Flx_var 68349037
mkvec 71077429
nf_get_degree 71370066
Fp_center 77127140
vecsmallpermute 78692093
rowslice 79295966
sqrtr 80369113
perm_mul 80887342
Fp_red 82193541
get_Flx_degree 82584841
pol_0 82996678
gtos 85855723
is_noncalc_t 85871940
cxnorm 91197557
mkcomplex 91602489
pr_get_p 92750652
dbllog2r 92813821
nf_get_pol 98108563
vecsmalltrunc_append 100859547
F2v_set 101403732
cgiv 102680114
RgX_copy 103406739
pol0_Flx 103481517
prec2nbits 103961139
mkvecsmall3 104172640
vecsmall_prefixcmp 108088071
gc_all 109637719
F2x_renormalize 115285163
mkvec3 118783873
zerocol 122333864
gaddgs 123248641
both_odd 123859825
F2x_set 124756298
nchar2nlong 127392139
mkvecsmall 131643319
equalim1 139505114
bit_prec 143251943
FpX_renormalize 144210898
ZX_renormalize 154959575
mkcol2 156875044
nbrows 157468395
leading_coeff 170261382
Flx_copy 173185808
Fp_add 180959508
mkvec2 185235079
nbits2prec 186128458
vecsmalltrunc_init 189811462
Fp_mul 200711745
Fp_sub 202385627
mkvecsmall2 234841353
gtofp 254322137
gc_GEN 255440431
gmulgu 282059385
lg_increase 316893500
closure_get_data 321491490
closure_get_oper 321518206
closure_codestr 321532668
is_universal_constant 325796541
lgcols 351591077
closure_arity 371392958
is_scalar_t 375657494
bin_copy 496052935
pari_free 509454827
is_bigint 563402749
leafcopy_avma 577281178
vecslice 655853288
is_matvec_t 659489881
F2v_coeff 661322265
F2x_coeff 667879627
pari_malloc 745356065
pari_stack_new 924900860
GENbinbase 961891950
pari_stack_alloc 1019589714
pari_stack_base 1025104026
gc_leaf 1137933208
equali1 1174352296
nbits2extraprec 1457797933
gc_upto 1953547838
odd 2088951639
is_pm1 2205615740
lgpol 2688310582
isintzero 2844068270
bit_accuracy 3159780812
gc_INT 4111170590
prec2lg 4468271634
is_const_t 4897770100
degpol 5493598258
remsBIL 8000711001
icopy_avma 8039785516
divsBIL 8091380303
isonstack 8273196609
is_recursive_t 9234409690

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