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 30316-0578a48613) Lines: 1420 1532 92.7 %
Date: 2025-06-01 09:19:36 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
vecsmall_lengthen 526
pari_err_IMPL 539
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 623
gchar_set_nalg 623
gchar_set_nfree 623
gchar_set_ntors 623
bnf_get_reg 641
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 950
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1202
gchar_set_prec 1202
rnf_get_alpha 1204
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1260
locs_get_famod 1260
FqX_powu 1295
pari_err_MODULUS 1316
zero_F2x 1350
rnf_get_idealdisc 1386
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1573
gchar_set_cyc 1573
gchar_get_sfu 1748
gchar_set_evalprec 1785
mkintmodu 1813
gchar_get_nm 1841
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2042
gchar_set_nf 2077
gchar_set_u0 2093
vecsmall_min 2324
vecreverse_inplace 2570
rnf_get_ramified_primes 2625
pari_err_DOMAIN 2771
gchar_set_nfprec 2950
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3321
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4140
gchar_get_u0 4267
identity_ZV 4333
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4606
rnf_get_nfvarn 4886
idealchineseinit 5427
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
rnf_get_nfzk 6573
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
FqX_roots 7273
submuliu 7728
bnr_get_gen 7847
get_FlxqX_mod 8033
gchar_get_mod 8225
locs_get_mod 8225
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8358
prec2ndec 9778
cgetalloc 10166
vectrunc_append_batch 10213
gchar_get_Ui 10969
vec_shorten 11549
ZX_equal1 12679
R_abs_shallow 13097
gchar_get_nfprec 13419
closure_get_dbg 13523
zx_renormalize 14049
gener_Fq_local 14595
pari_err_TYPE 15384
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16168
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17416
Fp_muls 17780
gchar_get_prec 18732
vec_lengthen 18941
FqX_halve 19411
Qtoss 19936
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21231
FqX_mulu 21942
nf_get_Tr 22082
gtomp 22428
RgM_fpnorml2 22438
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25852
nfV_to_scalar_or_alg 26293
absfrac_shallow 27397
gal_get_den 27650
gal_get_invvdm 27657
zerovec_block 28233
gequalgs 29176
bid_get_arch 31626
gal_get_roots 32529
gchar_get_basis 32639
F2xqX_div 33173
ndec2prec 33223
mkcolcopy 33510
gal_get_pol 36113
closure_get_text 36855
gchar_get_S 36865
gchar_get_ns 36865
gchar_get_nc 37131
FqX_rem 37743
F2v_to_F2x 37865
FqX_div 38548
FqX_deriv 40061
mkcols 40411
ndec2nlong 41493
znstar_get_Ui 46788
pari_calloc 47545
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50347
get_FpXQX_var 51630
bid_get_gen 51933
locs_get_cyc 51955
div_content 57986
nf_get_ramified_primes 59416
RgX_fpnorml2 60586
bnr_get_mod 61578
err_get_num 62333
RgX_is_rational 67739
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
vecsmall_shorten 72791
bid_get_ideal 72821
Fq_to_FpXQ 73792
gal_get_group 80170
mkcol3 88314
cyclic_perm 99911
gtou 102700
mkcol4 103467
zv_to_zx 104146
mkmoo 105923
zeromat 109099
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114515
Q_abs_shallow 118653
mkmatcopy 121005
mkveccopy 122507
RgXQX_rem 126529
FqX_add 127694
rnf_get_map 135211
idealred 138496
zeroser 138810
RgV_is_QV 140076
FqX_factor 140939
get_FpXQX_mod 146583
FlxqX_div_pre 165418
znstar_get_U 176051
rowslicepermute 182405
vecsmall_prepend 186767
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 198023
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207501
mkvec2s 220005
zero_Flm_copy 232310
mkcol6 232365
ellR_get_prec 232582
gchar_get_nf 241501
Fp_halve 246991
affc_fixlg 249592
rnf_get_nfpol 255354
znstar_get_cyc 261976
FqXn_mul 263403
get_FlxqX_var 264420
bnf_get_tuN 265415
bnr_get_no 277491
gchar_get_zm 279434
bnf_get_fu_nocheck 288409
bnf_get_tuU 290754
nf_get_G 301273
vec_prepend 301303
rnf_get_polabs 314496
get_FlxqX_degree 317565
ZM_hnfrem 327040
Flx_constant 330328
upr_norm 343931
RgX_renormalize 349807
vecsplice 354709
abgrp_get_no 354824
FqX_mul 367285
ellR_get_sign 371325
get_F2xqX_var 375375
coltrunc_init 393680
cxtoreal 394437
RgX_is_QX 395898
perm_conj 418299
FqX_Fq_mul 427290
FqX_extgcd 443112
nf_get_disc 457235
Z_issquare 458574
precdbl 475322
RgX_shift_inplace 479299
RgX_shift_inplace_init 479299
vecsmall_ei 494158
zv_to_ZV 502527
vecsmall_to_vec 511088
nf_get_sign 517053
mkvec3s 524441
gdivsg 529207
ZM_ZV_mod 540189
addmuliu 541101
FqX_Fp_mul 568292
prec2nbits_mul 580920
RgC_fpnorml2 618263
FqX_is_squarefree 683802
mkvecsmall5 692078
vecreverse 697046
mkrfrac 698152
rnf_get_nf 733726
logint 752113
row 762842
gcmpgs 790662
ellff_get_a4a6 800031
zero_F2m_copy 840145
FpXX_renormalize 849896
zeropadic 855686
gmin_shallow 874971
affgr 898789
ZXQ_sqr 951574
cgetc 973494
Flx_lead 979959
vecsmall_max 1029894
pr_norm 1066873
sstoQ 1074206
polx_F2x 1076382
mkoo 1076975
Fp_invsafe 1099967
Flx_mulu 1104839
RgV_isscalar 1140180
nf_get_varn 1167770
inf_get_sign 1195160
mkfracss 1209444
gen_I 1269444
bnr_get_nf 1269682
bnf_get_sunits 1278293
ell_get_j 1295726
Rg_col_ei 1309015
guncloneNULL_deep 1373421
bid_get_mod 1386420
rnf_get_absdegree 1392746
RgX_is_monomial 1395704
zero_Flx 1426141
constant_coeff 1439899
vecsmall_concat 1464222
nf_get_roots 1531695
F2m_flip 1554322
F2v_flip 1554322
F2x_flip 1554322
F2x_div 1567456
bnf_get_gen 1578481
abgrp_get_gen 1650852
nf_get_roundG 1686056
vec_ei 1711691
ulogint 1716945
gsubgs 1719789
ellinf 1868462
killblock 1886351
modpr_get_p 1888418
get_F2x_degree 1929058
bnr_get_bid 1941865
bid_get_MOD 1994853
bid_get_sprk 1995575
Flx_div 1995800
ellnf_get_nf 2027605
bid_get_fact2 2029387
ellff_get_field 2036866
ell_get_b4 2135641
ZXQ_mul 2145421
pari_realloc_ip 2149639
zv_copy 2183642
gc_slice 2202296
bid_get_archp 2222140
pol_xn 2232378
bid_get_fact 2317632
bnr_get_cyc 2345184
get_F2x_mod 2499171
rnf_get_degree 2506083
mul_content 2512679
cyc_get_expo 2523381
get_F2x_var 2532848
Flv_copy 2545338
RgX_coeff 2551519
ell_get_b8 2608978
bnr_get_clgp 2640521
vecslicepermute 2646318
bnf_get_logfu 2702482
hash_str 2747301
perm_inv 2778448
zero_Flm 2785154
sqrtnr 2795019
znstar_get_pe 2820791
rnf_get_pol 2844933
F2x_equal1 2873975
gisdouble 2967088
mkpolmod 3024831
ell_get_b6 3055105
Fq_red 3106418
identity_perm 3130500
identity_zv 3154843
bit_accuracy_mul 3175252
ZV_to_zv 3191094
znstar_get_conreygen 3221961
F3m_coeff 3247959
bid_get_U 3382330
get_FpX_mod 3393190
vec_append 3432098
bnf_get_cyc 3511195
pol_x 3564688
nf_get_index 3580457
bnr_get_bnf 3594592
zero_F2v 3628446
mulsubii 3850588
pol1_F2x 3955135
vec_to_vecsmall 4016080
vecsmall_append 4078945
sqrfrac 4136353
vecsmall_copy 4366170
mkcol2s 4415390
pol_1 4464405
mkmat 4610311
F2x_equal 4658806
checkell_i 4677511
FpXQX_renormalize 4693776
qfb_disc3 4848204
mkfraccopy 4959097
is_rational_t 5017179
nf_get_zkprimpart 5020909
nf_get_zkden 5066696
bnf_get_clgp 5098196
pari_stack_delete 5344008
bid_get_cyc 5367678
bid_get_grp 5420190
ell_get_b2 5432771
FpX_div 5442055
col_ei 5680597
isintm1 5702591
ell_get_a2 5709706
pari_stack_init 5758038
get_FpX_degree 6005971
Flm_copy 6275095
ell_get_a4 6522707
sqrti 6591154
mkvec4 6646983
ell_get_a3 6912838
ZM_lll 6933968
veclast 6934500
RgX_div 7053728
ell_get_a1 7116191
RgX_gtofp 7132072
vecsmall_lexcmp 7209154
znstar_get_faN 7211773
get_FpX_var 7237043
ZX_is_monic 7328619
ZV_ZV_mod 7343463
zc_to_ZC 7747009
vecsmall_to_col 7761188
znstar_get_conreycyc 7824692
Q_abs 7936355
ell_get_a6 7961480
mkintmod 7984054
ell_get_c4 8021745
F2m_coeff 8022810
RgM_gtofp 8178330
Flx_equal1 8320262
gc_INT_affii 8458729
Flm_row 8741003
ell_get_c6 8850390
cxtofp 8978873
RgM_dimensions 9408480
bnf_get_nf 9429116
nf_get_invzk 9488289
ismpzero 9574775
is_intreal_t 9574883
const_col 9622868
ser_isexactzero 10079479
mkcol 10185268
ZC_hnfrem 10191867
mul_denom 10293890
ell_get_disc 11279885
Fp_addmul 11305671
abgrp_get_cyc 11506179
pr_get_gen 11512897
ell_get_type 11588472
vectrunc_init 11628917
F2x_clear 12265932
F2v_clear 12265933
nbits2nlong 12578338
closure_get_frame 13066156
modpr_get_T 13192641
pol0_F2x 13242705
gmax_shallow 13509994
zeromatcopy 14026971
Fp_center_i 14167235
rowpermute 14415187
mkvec5 14487597
Fp_div 15034884
Fp_divu 15134724
vectrunc_append 15156204
mkvecsmall4 15476154
pr_get_e 15719129
pr_is_inert 16402199
matslice 16605141
normalize_frac 17001831
isint1 17089418
cxcompotor 18006946
hash_str_len 18212657
qfb_disc 18474582
const_vecsmall 18987954
vecpermute 19832275
nf_get_M 20766662
RgX_is_ZX 20849832
Fp_double 21124155
Flx_div_pre 21389960
RgM_shallowcopy 21407986
gmulgs 22041954
nf_get_r1 22160783
ZV_isscalar 22761657
Fp_inv 23225210
pr_get_f 25347022
get_Flx_mod 25407760
shallowcopy 25833894
zerovec 26646032
RgX_equal_var 26927645
mkqfb 27798566
modpr_get_pr 30070695
Fp_neg 30199134
RgV_is_ZV 31476801
mkmat2 32558112
submulii 32799889
const_vec 32852367
RgC_gtofp 33710815
znstar_get_N 34545576
zero_zv 36172959
polx_Flx 37539595
lincombii 37854865
closure_is_variadic 40104262
mkfrac 41026770
zeropol 42309363
powii 42925498
is_vec_t 43417711
absfrac 45595537
pr_get_tau 47846467
guncloneNULL 47881350
mkmat22 49801405
ell_is_inf 51327761
QV_isscalar 52368505
pol1_Flx 54573184
zero_Flv 58771177
addmuliu_inplace 59395131
submuliu_inplace 59897673
F2x_copy 60385652
gtodouble 60835943
qfb_is_qfi 60847909
is_real_t 62656163
Fp_sqr 64161612
get_Flx_var 67693750
mkvec 68099593
Fp_mulu 68614141
nf_get_degree 68833373
Fp_center 75791975
vecsmallpermute 77987931
rowslice 78357297
sqrtr 79988954
perm_mul 80182987
Fp_red 80780109
get_Flx_degree 82434654
pol_0 83281499
is_noncalc_t 85680522
gtos 85805779
pr_get_p 89384631
mkcomplex 90069857
cxnorm 90689160
dbllog2r 93157555
nf_get_pol 94455521
vecsmalltrunc_append 99710075
mkvecsmall3 100284203
cgiv 100647540
F2v_set 101340311
pol0_Flx 101894044
RgX_copy 103509736
prec2nbits 104969317
gc_all 106204337
vecsmall_prefixcmp 108088071
F2x_renormalize 115150506
both_odd 116916098
mkvec3 117027477
zerocol 118830888
nchar2nlong 120820714
gaddgs 123175580
gmulgu 124184326
F2x_set 124680098
mkvecsmall 129363024
equalim1 139010161
bit_prec 141555747
FpX_renormalize 145103153
nbrows 153698697
mkcol2 154771054
ZX_renormalize 157039176
uutoQ 158080619
leading_coeff 169270750
Fp_add 171894725
Flx_copy 172055440
mkvec2 182900183
nbits2prec 186136990
vecsmalltrunc_init 188700276
Fp_mul 199844587
Fp_sub 203521408
mkvecsmall2 223802812
gc_GEN 249725266
gtofp 252733737
is_universal_constant 291019709
lg_increase 315006868
closure_get_data 319546009
closure_get_oper 319561652
closure_codestr 319566610
lgcols 341297190
closure_arity 368344048
is_scalar_t 377648153
bin_copy 482384129
pari_free 495666061
is_bigint 558711611
leafcopy_avma 566276165
pari_stack_new 605921953
vecslice 641894472
is_matvec_t 660275965
F2v_coeff 660991664
F2x_coeff 667574816
pari_stack_alloc 698966236
pari_stack_base 704307436
pari_malloc 726003699
GENbinbase 935723695
gc_leaf 1117151739
equali1 1289822103
nbits2extraprec 1488548276
gc_upto 1907024034
odd 2055861000
is_pm1 2176740410
lgpol 2634874534
isintzero 2805688038
bit_accuracy 3134281476
gc_INT 4044833030
prec2lg 4477433011
is_const_t 4891366179
degpol 5348961298
icopy_avma 7910989938
remsBIL 8011880108
divsBIL 8102416650
isonstack 8132081190
is_recursive_t 9159224297

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