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 30502-9830c20844) Lines: 1420 1532 92.7 %
Date: 2025-09-22 09:23:52 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 2324
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 3885
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
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
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 17023
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 26300
gal_get_den 27874
gal_get_invvdm 27880
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gal_get_roots 32752
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33195
mkcolcopy 33501
Qtoss 35322
gal_get_pol 36336
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37837
FqX_div 38546
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41465
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 61608
err_get_num 62530
bid_get_gen 64274
nf_get_ramified_primes 64813
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 77118
gal_get_group 80394
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104241
mkmoo 108846
zeromat 109117
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114570
Q_abs_shallow 120259
mkmatcopy 122226
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138518
zeroser 138824
RgV_is_QV 140761
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165417
znstar_get_U 176107
rowslicepermute 184689
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200497
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220415
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235915
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249594
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277498
gchar_get_zm 281911
bnf_get_tuN 283004
bnf_get_fu_nocheck 289082
nf_get_G 303577
bnf_get_tuU 303579
vec_prepend 314003
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 332028
cxtoreal 337174
upr_norm 346134
RgX_renormalize 349807
abgrp_get_no 355190
ZM_hnfrem 363833
FqX_mul 367816
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384899
RgX_is_QX 400119
perm_conj 418299
FqX_Fq_mul 427298
FqX_extgcd 445054
Z_issquare 458925
nf_get_disc 463868
precdbl 475483
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 502996
vecsmall_to_vec 511571
nf_get_sign 519553
mkvec3s 524441
gdivsg 531333
addmuliu 541029
FqX_Fp_mul 572130
prec2nbits_mul 581138
vecsmall_ei 584740
ZM_ZV_mod 596647
RgC_fpnorml2 622072
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698151
coltrunc_init 740250
logint 755040
gcmpgs 761920
row 764006
rnf_get_nf 786030
ellff_get_a4a6 800022
zero_F2m_copy 845109
FpXX_renormalize 849896
zeropadic 855451
gmin_shallow 876349
affgr 898768
ZXQ_sqr 961085
cgetc 975619
Flx_lead 980394
polx_F2x 1078568
pr_norm 1088519
sstoQ 1097215
Fp_invsafe 1100355
Flx_mulu 1105197
vecsmall_max 1164575
mkfracss 1209563
RgV_isscalar 1210306
gen_I 1269765
RgX_is_monomial 1331303
mkoo 1332046
bnf_get_sunits 1367779
bnr_get_nf 1368126
guncloneNULL_deep 1386777
rnf_get_absdegree 1392746
zero_Flx 1426973
constant_coeff 1441514
Rg_col_ei 1451333
inf_get_sign 1453151
vecsmall_concat 1464439
nf_get_varn 1503561
bid_get_mod 1521921
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570375
uutoQ 1600142
nf_get_roots 1627836
bnf_get_gen 1680324
vec_ei 1714616
ulogint 1722452
gsubgs 1727500
mkvecsmall5 1730604
nf_get_roundG 1746595
abgrp_get_gen 1765037
ellinf 1868482
modpr_get_p 1888432
killblock 1902248
get_F2x_degree 1928934
Flx_div 1999014
ellnf_get_nf 2027604
ellff_get_field 2036841
bnr_get_bid 2045872
ell_get_j 2126227
bid_get_MOD 2157256
bid_get_sprk 2157984
ZXQ_mul 2162048
pari_realloc_ip 2179946
zv_copy 2184074
bid_get_fact2 2201577
gc_slice 2204942
pol_xn 2249918
bid_get_archp 2397119
bid_get_fact 2498959
get_F2x_mod 2499104
rnf_get_degree 2506307
bnr_get_cyc 2522348
get_F2x_var 2534010
ell_get_b4 2549033
Flv_copy 2555332
mul_content 2654149
RgX_coeff 2669140
vecslicepermute 2689841
hash_str 2753015
cyc_get_expo 2757785
perm_inv 2782868
sqrtnr 2807221
bnr_get_clgp 2830030
zero_Flm 2830389
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2873891
bnf_get_logfu 2874731
gisdouble 2987867
mkpolmod 3105019
Fq_red 3106371
bit_accuracy_mul 3175436
ZV_to_zv 3211415
identity_perm 3242776
F3m_coeff 3256663
identity_zv 3267126
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394327
vec_append 3465590
zero_F2v 3648079
bid_get_U 3680235
bnf_get_cyc 3686075
nf_get_index 3711306
bnr_get_bnf 3750910
pol_1 3756324
pol_x 3856873
ell_get_b6 3861932
mulsubii 3882130
pol1_F2x 3956698
vec_to_vecsmall 4036838
vecsmall_append 4111393
sqrfrac 4148134
vecsmall_copy 4404145
mkcol2s 4416244
F2x_equal 4658394
FpXQX_renormalize 4693754
mkmat 4750779
qfb_disc3 4991095
mkfraccopy 4999018
is_rational_t 5035173
bnf_get_clgp 5374938
pari_stack_delete 5399518
nf_get_zkprimpart 5416378
nf_get_zkden 5462179
FpX_div 5580916
checkell_i 5593358
isintm1 5703993
bid_get_cyc 5739602
bid_get_grp 5804455
pari_stack_init 5835013
col_ei 5925821
get_FpX_degree 6424540
Flm_copy 6433586
sqrti 6665627
get_FpX_var 6957999
RgX_div 7000739
vecsmall_lexcmp 7043192
ell_get_a2 7105463
ZM_lll 7112650
RgX_gtofp 7147378
znstar_get_faN 7330731
ell_get_b2 7369847
ZX_is_monic 7376022
zc_to_ZC 7823532
vecsmall_to_col 7837712
znstar_get_conreycyc 7978902
F2m_coeff 8039219
Q_abs 8062693
mkintmod 8092558
ZV_ZV_mod 8131351
RgM_gtofp 8252680
Flx_equal1 8327082
gc_INT_affii 8488873
ell_get_a4 8536004
Flm_row 8742287
ell_get_a3 8813331
ell_get_a1 8996363
cxtofp 9083221
veclast 9372644
ismpzero 9583547
is_intreal_t 9583659
const_col 9729878
RgM_dimensions 9742105
nf_get_invzk 9765607
bnf_get_nf 9863725
ser_isexactzero 10079479
mkvec4 10105841
ell_get_a6 10370242
mkcol 10641051
ZC_hnfrem 10690724
mul_denom 10709948
ell_get_c4 10728681
Fp_addmul 11371684
pr_get_gen 12062103
vectrunc_init 12066308
abgrp_get_cyc 12230279
F2x_clear 12355566
F2v_clear 12355576
ell_get_type 12499500
nbits2nlong 12645390
ell_get_c6 12892057
pol0_F2x 13240772
gmax_shallow 13510220
modpr_get_T 13867625
closure_get_frame 14147169
zeromatcopy 14240691
rowpermute 14709572
Fp_div 15035193
Fp_divu 15134893
mkvec5 15184947
pr_get_e 15952550
vectrunc_append 16160111
ell_get_disc 16525534
matslice 16818236
pr_is_inert 16909950
normalize_frac 17204670
isint1 17571665
mkvecsmall4 17837264
Fp_center_i 18056643
cxcompotor 18218094
qfb_disc 18514482
const_vecsmall 19663412
vecpermute 20529618
nf_get_M 21172497
Flx_div_pre 21704343
RgM_shallowcopy 22170143
Fp_double 22229652
RgX_is_ZX 22422131
gmulgs 22514248
nf_get_r1 22893008
ZV_isscalar 23098674
Fp_inv 23437838
get_Flx_mod 25601950
pr_get_f 26040504
RgX_equal_var 26880631
shallowcopy 27639739
mkqfb 27920282
zerovec 28455433
Fp_neg 30902600
modpr_get_pr 31238080
hash_str_len 31542533
RgV_is_ZV 32164045
submulii 32847018
mkmat2 33658964
RgC_gtofp 34013736
const_vec 34472516
zero_zv 36735655
polx_Flx 37826028
lincombii 38203881
znstar_get_N 38653757
closure_is_variadic 40152554
mkfrac 41640271
zeropol 42358613
powii 43176765
is_vec_t 43948887
absfrac 46637948
guncloneNULL 48156138
pr_get_tau 48871110
mkmat22 50284099
ell_is_inf 52480883
QV_isscalar 54401714
pol1_Flx 55059781
zero_Flv 59493545
addmuliu_inplace 59697062
submuliu_inplace 60187097
F2x_copy 60420653
gtodouble 60767020
is_real_t 62657946
qfb_is_qfi 62946098
Fp_sqr 64539937
Fp_mulu 67202143
get_Flx_var 68362845
mkvec 71121496
nf_get_degree 71350870
Fp_center 77243957
vecsmallpermute 78736548
rowslice 79347817
sqrtr 80373098
perm_mul 80932253
Fp_red 82092449
get_Flx_degree 82249791
pol_0 82998080
gtos 85833171
is_noncalc_t 85862297
cxnorm 90944566
mkcomplex 91633121
pr_get_p 91707957
dbllog2r 94007063
nf_get_pol 98056966
F2v_set 101404404
vecsmalltrunc_append 101584652
cgiv 102123325
RgX_copy 103404433
pol0_Flx 103501490
mkvecsmall3 104053897
prec2nbits 105720321
vecsmall_prefixcmp 108088071
gc_all 109992117
F2x_renormalize 115172010
mkvec3 117797041
zerocol 122289806
gaddgs 123249081
both_odd 124088538
F2x_set 124700521
nchar2nlong 127391614
mkvecsmall 131665351
equalim1 139504117
bit_prec 143022638
FpX_renormalize 144585244
ZX_renormalize 155011080
mkcol2 156919588
nbrows 157473692
leading_coeff 170555967
Flx_copy 173780013
Fp_add 181556741
mkvec2 185772534
nbits2prec 187643124
vecsmalltrunc_init 191817454
Fp_mul 201092448
Fp_sub 203405485
mkvecsmall2 233624448
gtofp 254243604
gc_GEN 256170030
gmulgu 282058131
lg_increase 320007078
closure_get_data 320870882
closure_get_oper 320902025
closure_codestr 320928828
is_universal_constant 325828096
lgcols 350248861
closure_arity 370759446
is_scalar_t 375643803
bin_copy 497278655
pari_free 510597382
is_bigint 562588944
leafcopy_avma 577017306
vecslice 656271105
is_matvec_t 659468067
F2v_coeff 661329435
F2x_coeff 667845117
pari_malloc 746531259
pari_stack_new 924259459
GENbinbase 964248253
pari_stack_alloc 1018881205
pari_stack_base 1024259498
gc_leaf 1132640262
equali1 1175148075
nbits2extraprec 1499203683
gc_upto 1949611763
odd 2084324676
is_pm1 2201911746
lgpol 2681450707
isintzero 2838926076
bit_accuracy 3163202351
gc_INT 4105010890
prec2lg 4513494218
is_const_t 4890734783
degpol 5501669384
icopy_avma 8035759122
remsBIL 8083738630
divsBIL 8173569716
isonstack 8255785276
is_recursive_t 9245221459

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