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 30568-0d72d66ef5) Lines: 1420 1532 92.7 %
Date: 2025-12-01 09:22:22 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 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 3066
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 4459
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6020
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 7742
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 8379
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11556
vectrunc_append_batch 12306
ZX_equal1 12893
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15449
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 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 22795
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 27880
gal_get_invvdm 27887
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29946
gal_get_roots 32759
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33541
Qtoss 35322
gal_get_pol 36343
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37791
FqX_div 38563
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47699
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58576
RgX_fpnorml2 61628
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64855
RgX_is_rational 68327
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 74584
bnr_get_mod 77147
gal_get_group 80400
mkcol3 88314
gtou 98306
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108855
zeromat 109125
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114620
Q_abs_shallow 120243
mkmatcopy 122266
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138713
zeroser 138908
RgV_is_QV 140791
FqX_factor 141079
get_FpXQX_mod 146583
FlxqX_div_pre 165412
znstar_get_U 176107
rowslicepermute 184916
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200552
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220438
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235943
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249624
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277502
gchar_get_zm 281911
bnf_get_tuN 283003
bnf_get_fu_nocheck 289084
bnf_get_tuU 303577
nf_get_G 304151
vec_prepend 313988
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334026
cxtoreal 337206
upr_norm 346134
RgX_renormalize 349807
abgrp_get_no 355200
ZM_hnfrem 363895
FqX_mul 367828
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384939
RgX_is_QX 400152
perm_conj 418299
FqX_Fq_mul 427282
FqX_extgcd 445101
Z_issquare 458924
nf_get_disc 463977
precdbl 475535
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519565
mkvec3s 524441
gdivsg 531592
addmuliu 535827
FqX_Fp_mul 572206
prec2nbits_mul 581167
vecsmall_ei 584725
ZM_ZV_mod 596633
RgC_fpnorml2 622140
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698438
coltrunc_init 740250
logint 754916
gcmpgs 761922
row 764005
rnf_get_nf 786030
ellff_get_a4a6 800040
zero_F2m_copy 845229
FpXX_renormalize 849896
zeropadic 855773
gmin_shallow 878381
affgr 898866
ZXQ_sqr 961148
cgetc 975460
Flx_lead 980674
polx_F2x 1079220
pr_norm 1090159
sstoQ 1097215
Fp_invsafe 1100571
Flx_mulu 1105484
vecsmall_max 1164496
mkfracss 1209563
RgV_isscalar 1210303
gen_I 1269861
RgX_is_monomial 1331762
mkoo 1332035
bnf_get_sunits 1367844
bnr_get_nf 1368175
rnf_get_absdegree 1392746
zero_Flx 1426769
constant_coeff 1441405
guncloneNULL_deep 1449914
Rg_col_ei 1451713
inf_get_sign 1453140
vecsmall_concat 1464374
nf_get_varn 1503780
bid_get_mod 1521922
F2m_flip 1554354
F2v_flip 1554354
F2x_flip 1554354
F2x_div 1571528
uutoQ 1600198
nf_get_roots 1628478
bnf_get_gen 1680406
vec_ei 1714745
ulogint 1722216
gsubgs 1724799
mkvecsmall5 1731109
nf_get_roundG 1747474
abgrp_get_gen 1765116
ellinf 1869522
modpr_get_p 1888614
get_F2x_degree 1929089
killblock 1933139
Flx_div 1999193
ellnf_get_nf 2027619
ellff_get_field 2036879
bnr_get_bid 2046145
ell_get_j 2126227
bid_get_MOD 2157261
bid_get_sprk 2157988
ZXQ_mul 2162212
zv_copy 2183983
bid_get_fact2 2201586
gc_slice 2204973
pol_xn 2249972
pari_realloc_ip 2268692
bid_get_archp 2397081
bid_get_fact 2498943
get_F2x_mod 2499219
rnf_get_degree 2506307
bnr_get_cyc 2522592
get_F2x_var 2534263
ell_get_b4 2550216
Flv_copy 2555240
mul_content 2654965
RgX_coeff 2669861
vecslicepermute 2690878
hash_str 2756815
cyc_get_expo 2757834
perm_inv 2782849
sqrtnr 2809537
zero_Flm 2830020
bnr_get_clgp 2830276
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2874063
bnf_get_logfu 2874804
gisdouble 2992091
mkpolmod 3105223
Fq_red 3106276
bit_accuracy_mul 3175472
ZV_to_zv 3211422
identity_perm 3242508
F3m_coeff 3256644
identity_zv 3266858
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394590
vec_append 3465729
zero_F2v 3648438
bid_get_U 3680243
bnf_get_cyc 3686688
nf_get_index 3712346
bnr_get_bnf 3751405
pol_1 3756641
pol_x 3858421
ell_get_b6 3863115
mulsubii 3882707
pol1_F2x 3958215
vec_to_vecsmall 4036869
vecsmall_append 4111404
sqrfrac 4148193
vecsmall_copy 4404912
mkcol2s 4416244
F2x_equal 4663312
FpXQX_renormalize 4693193
mkmat 4751230
qfb_disc3 4995247
mkfraccopy 4999333
is_rational_t 5035634
bnf_get_clgp 5375641
nf_get_zkprimpart 5418403
nf_get_zkden 5464163
FpX_div 5583049
checkell_i 5593301
pari_stack_delete 5649338
isintm1 5711332
bid_get_cyc 5739787
bid_get_grp 5804639
col_ei 5926980
pari_stack_init 6086909
get_FpX_degree 6424970
Flm_copy 6435434
sqrti 6666892
get_FpX_var 6958004
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106187
ZM_lll 7117625
RgX_gtofp 7148037
znstar_get_faN 7331711
ell_get_b2 7371036
ZX_is_monic 7376178
zc_to_ZC 7824519
vecsmall_to_col 7838699
znstar_get_conreycyc 7979693
F2m_coeff 8039736
Q_abs 8064386
mkintmod 8092724
ZV_ZV_mod 8131619
RgM_gtofp 8259416
Flx_equal1 8331034
gc_INT_affii 8500584
ell_get_a4 8536728
Flm_row 8742117
ell_get_a3 8814061
ell_get_a1 8997093
cxtofp 9086667
veclast 9372759
ismpzero 9586247
is_intreal_t 9586356
const_col 9730283
RgM_dimensions 9742255
nf_get_invzk 9769579
bnf_get_nf 9865043
mkvec4 10107018
ser_isexactzero 10120284
ell_get_a6 10370966
mkcol 10641475
ZC_hnfrem 10696656
mul_denom 10713267
ell_get_c4 11017701
Fp_addmul 11438272
vectrunc_init 12067344
pr_get_gen 12069482
abgrp_get_cyc 12231287
F2x_clear 12357644
F2v_clear 12357654
ell_get_type 12499294
nbits2nlong 12680428
pol0_F2x 13250907
ell_get_c6 13474112
gmax_shallow 13510226
modpr_get_T 13867916
closure_get_frame 14173483
zeromatcopy 14251286
rowpermute 14710093
Fp_div 15034525
Fp_divu 15129001
mkvec5 15186988
pr_get_e 16104984
vectrunc_append 16161349
ell_get_disc 16814775
matslice 16822590
pr_is_inert 17150254
normalize_frac 17205885
isint1 17587279
mkvecsmall4 17826914
Fp_center_i 18032135
cxcompotor 18224906
qfb_disc 18514529
const_vecsmall 19711480
vecpermute 20546416
nf_get_M 21308501
Flx_div_pre 21714623
RgM_shallowcopy 22178923
Fp_double 22410903
RgX_is_ZX 22426232
gmulgs 22531162
nf_get_r1 23029107
ZV_isscalar 23235934
Fp_inv 23444206
get_Flx_mod 25608889
pr_get_f 26349682
RgX_equal_var 26883219
shallowcopy 27642768
mkqfb 27928601
zerovec 28455846
modpr_get_pr 31238861
Fp_neg 31482284
hash_str_len 31551538
RgV_is_ZV 32167328
submulii 32848628
mkmat2 33663867
RgC_gtofp 34038996
const_vec 34488895
zero_zv 36746603
polx_Flx 37837512
lincombii 38200803
znstar_get_N 38655073
mkfrac 41638332
zeropol 42358717
powii 43178759
is_vec_t 43946353
closure_is_variadic 44826499
absfrac 46644827
guncloneNULL 48235655
pr_get_tau 49576530
mkmat22 50278859
ell_is_inf 52476918
QV_isscalar 54418314
pol1_Flx 55091894
zero_Flv 59571817
addmuliu_inplace 59768401
submuliu_inplace 60258469
F2x_copy 60436278
gtodouble 60801443
is_real_t 62063900
qfb_is_qfi 62948041
Fp_sqr 65052013
Fp_mulu 66974180
get_Flx_var 68414619
mkvec 71127553
nf_get_degree 71370812
Fp_center 77181963
vecsmallpermute 78729515
rowslice 79340987
sqrtr 80384346
perm_mul 80925057
get_Flx_degree 81849171
Fp_red 82089639
pol_0 83002358
gtos 85854587
is_noncalc_t 85877881
cxnorm 91222621
mkcomplex 91644739
pr_get_p 92490072
dbllog2r 92836199
nf_get_pol 98084932
F2v_set 101405856
vecsmalltrunc_append 101514605
cgiv 102281376
RgX_copy 103409348
pol0_Flx 103531967
prec2nbits 103965962
mkvecsmall3 104051482
vecsmall_prefixcmp 108088071
gc_all 110026243
F2x_renormalize 115184334
mkvec3 116425245
zerocol 122351964
gaddgs 123248592
both_odd 123867885
F2x_set 124746379
nchar2nlong 127433233
mkvecsmall 131707991
equalim1 139505814
bit_prec 142831272
FpX_renormalize 144586046
ZX_renormalize 155040073
mkcol2 156874544
nbrows 157525109
leading_coeff 170556590
Flx_copy 173805983
Fp_add 181739816
mkvec2 185454515
nbits2prec 186139749
vecsmalltrunc_init 190900830
Fp_mul 201148117
Fp_sub 204257118
mkvecsmall2 233667098
gtofp 254364847
gc_GEN 256229088
gmulgu 282059385
lg_increase 319124617
closure_get_data 321526983
closure_get_oper 321555130
closure_codestr 321585414
is_universal_constant 325891903
lgcols 350839283
closure_arity 371444288
is_scalar_t 375678485
bin_copy 497431542
pari_free 510856521
is_bigint 562960200
leafcopy_avma 577351790
vecslice 656198502
is_matvec_t 659526301
F2v_coeff 661336973
F2x_coeff 667941108
pari_malloc 746744252
pari_stack_new 925134753
GENbinbase 964548214
pari_stack_alloc 1019779875
pari_stack_base 1025433987
gc_leaf 1130575566
equali1 1175736450
nbits2extraprec 1456849230
gc_upto 1951085725
odd 2085136064
is_pm1 2203129333
lgpol 2678009000
isintzero 2842435097
bit_accuracy 3163454425
gc_INT 4110537911
prec2lg 4467953340
is_const_t 4893883585
degpol 5492977752
remsBIL 8006141004
icopy_avma 8042226344
divsBIL 8096181231
isonstack 8263071876
is_recursive_t 9240173775

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