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 30660-09c6d0ed2e) Lines: 1420 1535 92.5 %
Date: 2026-02-01 09:23:44 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
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
pari_err_COPRIME 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 11556
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13635
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 22661
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 33314
mkcolcopy 33553
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37079
gchar_get_nc 37261
F2v_to_F2x 37728
FqX_rem 37743
FqX_div 38569
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41584
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 58504
RgX_fpnorml2 61600
err_get_num 62550
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68163
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 75638
bnr_get_mod 77118
gal_get_group 80388
mkcol3 88314
cyclic_perm 99911
gtou 100698
mkcol4 103467
zv_to_zx 104146
mkmoo 108794
zeromat 109140
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114527
Q_abs_shallow 120240
mkmatcopy 122301
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138437
zeroser 138908
RgV_is_QV 140732
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 185226
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200427
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220250
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238229
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249618
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 283006
bnf_get_fu_nocheck 289093
bnf_get_tuU 303586
nf_get_G 304988
vec_prepend 314010
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334005
cxtoreal 337205
upr_norm 346132
RgX_renormalize 349807
abgrp_get_no 354951
ZM_hnfrem 363775
FqX_mul 367710
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384918
RgX_is_QX 399930
perm_conj 418299
FqX_Fq_mul 427301
FqX_extgcd 444771
Z_issquare 457641
nf_get_disc 463475
precdbl 475392
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519548
mkvec3s 524441
gdivsg 531592
addmuliu 535772
FqX_Fp_mul 571643
prec2nbits_mul 581165
vecsmall_ei 584710
ZM_ZV_mod 596551
RgC_fpnorml2 619847
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754834
gcmpgs 761928
row 763883
rnf_get_nf 786086
ellff_get_a4a6 800037
zero_F2m_copy 845013
FpXX_renormalize 849917
zeropadic 855686
gmin_shallow 877795
affgr 899594
ZXQ_sqr 960438
cgetc 975458
Flx_lead 978719
polx_F2x 1073739
pr_norm 1090635
sstoQ 1097215
Fp_invsafe 1100353
Flx_mulu 1105377
vecsmall_max 1164069
mkfracss 1209563
RgV_isscalar 1210272
gen_I 1269756
RgX_is_monomial 1331378
mkoo 1331899
bnf_get_sunits 1367773
rnf_get_absdegree 1392746
bnr_get_nf 1399078
zero_Flx 1427041
constant_coeff 1441440
Rg_col_ei 1451056
inf_get_sign 1452945
vecsmall_concat 1464187
guncloneNULL_deep 1497139
nf_get_varn 1503773
bid_get_mod 1521921
F2m_flip 1553613
F2v_flip 1553613
F2x_flip 1553614
F2x_div 1558822
uutoQ 1600212
nf_get_roots 1629065
bnf_get_gen 1680318
vec_ei 1713877
ulogint 1715373
mkvecsmall5 1717486
gsubgs 1724829
nf_get_roundG 1748292
abgrp_get_gen 1765033
ellinf 1870077
modpr_get_p 1887627
get_F2x_degree 1928992
killblock 1951366
Flx_div 1998014
ellnf_get_nf 2027241
ellff_get_field 2036870
bnr_get_bid 2046095
ell_get_j 2126269
bid_get_MOD 2157261
bid_get_sprk 2157984
ZXQ_mul 2161244
zv_copy 2183766
bid_get_fact2 2201581
gc_slice 2204237
pol_xn 2249257
pari_realloc_ip 2348424
bid_get_archp 2397147
bid_get_fact 2498959
get_F2x_mod 2499317
rnf_get_degree 2506335
bnr_get_cyc 2522578
get_F2x_var 2533966
ell_get_b4 2550216
Flv_copy 2555022
mul_content 2657460
RgX_coeff 2669861
vecslicepermute 2691050
cyc_get_expo 2757552
hash_str 2760612
perm_inv 2781963
sqrtnr 2810363
zero_Flm 2829691
bnr_get_clgp 2830252
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874051
bnf_get_logfu 2874767
gisdouble 2997036
mkpolmod 3103727
Fq_red 3106455
bit_accuracy_mul 3175484
ZV_to_zv 3211408
identity_perm 3241757
F3m_coeff 3255919
identity_zv 3266107
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394358
vec_append 3464628
zero_F2v 3647562
bid_get_U 3680235
bnf_get_cyc 3686159
bnr_get_bnf 3710939
nf_get_index 3711383
pol_1 3755716
pol_x 3857186
ell_get_b6 3863115
mulsubii 3881540
pol1_F2x 3957620
vec_to_vecsmall 4036641
vecsmall_append 4099137
sqrfrac 4148332
vecsmall_copy 4403845
mkcol2s 4416244
F2x_equal 4620239
FpXQX_renormalize 4694510
mkmat 4750872
qfb_disc3 4996233
mkfraccopy 4999661
is_rational_t 5032657
bnf_get_clgp 5375025
nf_get_zkprimpart 5414046
nf_get_zkden 5459782
FpX_div 5581209
checkell_i 5593305
isintm1 5710325
bid_get_cyc 5739852
bid_get_grp 5804706
pari_stack_delete 5843114
col_ei 5924611
pari_stack_init 6350915
get_FpX_degree 6424544
Flm_copy 6433556
sqrti 6610240
get_FpX_var 6958163
RgX_div 7000642
vecsmall_lexcmp 7043259
ell_get_a2 7106184
ZM_lll 7118098
RgX_gtofp 7145200
znstar_get_faN 7331711
ell_get_b2 7371036
ZX_is_monic 7374285
zc_to_ZC 7824689
vecsmall_to_col 7838872
znstar_get_conreycyc 7979693
F2m_coeff 8036567
Q_abs 8062624
mkintmod 8092654
ZV_ZV_mod 8131614
RgM_gtofp 8258443
Flx_equal1 8329973
gc_INT_affii 8492996
ell_get_a4 8536725
Flm_row 8741403
ell_get_a3 8814058
ell_get_a1 8997090
cxtofp 9080731
veclast 9372722
ismpzero 9584722
is_intreal_t 9584821
const_col 9729678
RgM_dimensions 9741656
nf_get_invzk 9767495
bnf_get_nf 9865178
mkvec4 10093850
ser_isexactzero 10120284
ell_get_a6 10370963
mkcol 10639797
ZC_hnfrem 10697649
mul_denom 10707928
ell_get_c4 11017713
Fp_addmul 11293974
vectrunc_init 11766618
pr_get_gen 12071473
abgrp_get_cyc 12230855
F2v_clear 12352766
F2x_clear 12352771
ell_get_type 12499072
nbits2nlong 12755183
pol0_F2x 13207019
ell_get_c6 13474173
gmax_shallow 13510200
modpr_get_T 13867126
zeromatcopy 14250870
rowpermute 14706189
closure_get_frame 14715563
Fp_div 15035820
Fp_divu 15130326
mkvec5 15185751
vectrunc_append 15854259
pr_get_e 16162355
ell_get_disc 16814534
matslice 16820575
normalize_frac 17206139
pr_is_inert 17224545
isint1 17584942
Fp_center_i 18021348
cxcompotor 18213425
qfb_disc 18502535
mkvecsmall4 18674277
const_vecsmall 19706978
vecpermute 20548435
Fp_double 20995776
Flx_div_pre 21687686
nf_get_M 21746431
RgM_shallowcopy 22179449
RgX_is_ZX 22423320
gmulgs 22640758
Fp_inv 23440493
nf_get_r1 23466914
ZV_isscalar 23675586
get_Flx_mod 25596161
pr_get_f 26443946
RgX_equal_var 26883021
shallowcopy 27632562
mkqfb 27930605
zerovec 28453774
modpr_get_pr 31236616
Fp_neg 31480191
hash_str_len 31630577
submulii 31982591
RgV_is_ZV 32158275
mkmat2 33654472
RgC_gtofp 34034692
const_vec 34565401
zero_zv 36722074
polx_Flx 37485115
lincombii 38244903
znstar_get_N 38655073
mkfrac 41642785
zeropol 42353978
powii 43130618
is_vec_t 43982955
closure_is_variadic 45903680
absfrac 46638818
guncloneNULL 48011440
pr_get_tau 49769379
mkmat22 50285049
ell_is_inf 52420414
QV_isscalar 54417425
pol1_Flx 55058176
addmuliu_inplace 59654178
zero_Flv 59660933
F2x_copy 59914611
submuliu_inplace 60144852
gtodouble 60779905
is_real_t 62062524
qfb_is_qfi 62319898
Fp_sqr 64322337
get_Flx_var 68357904
mkvec 71223628
nf_get_degree 71372128
Fp_mulu 71574012
Fp_center 77207853
vecsmallpermute 78703311
rowslice 79330345
sqrtr 80381009
perm_mul 80898571
Fp_red 82195637
pol_0 82996707
get_Flx_degree 84243180
gtos 85855687
is_noncalc_t 85872583
cxnorm 91201186
mkcomplex 91626601
pr_get_p 92751637
dbllog2r 92822247
nf_get_pol 98111297
vecsmalltrunc_append 100865473
F2v_set 101401663
cgiv 102679647
RgX_copy 103406936
pol0_Flx 103443124
prec2nbits 103972774
mkvecsmall3 104182623
vecsmall_prefixcmp 108088071
gc_all 109637326
F2x_renormalize 114633241
zerocol 122340651
gaddgs 123248660
mkvec3 123920105
both_odd 124095875
F2x_set 124594175
nchar2nlong 127563601
mkvecsmall 131602411
equalim1 139505335
bit_prec 143269694
FpX_renormalize 144225019
ZX_renormalize 155054408
mkcol2 156896290
nbrows 157476339
leading_coeff 170225207
Flx_copy 173216330
Fp_add 181380362
mkvec2 184649913
nbits2prec 186145633
vecsmalltrunc_init 188703966
Fp_mul 200877699
Fp_sub 202955274
mkvecsmall2 234975538
gtofp 254352392
gc_GEN 255508066
gmulgu 282059385
lg_increase 314337760
closure_get_data 322190795
closure_get_oper 322222929
closure_codestr 322255870
is_universal_constant 326618754
lgcols 351627383
closure_arity 372639023
is_scalar_t 375659461
bin_copy 496073251
pari_free 509557034
is_bigint 563418970
leafcopy_avma 577329618
vecslice 656135238
is_matvec_t 659643012
F2v_coeff 661307309
F2x_coeff 667889238
pari_malloc 745504987
pari_stack_new 926971901
GENbinbase 961935321
pari_stack_alloc 1022230223
pari_stack_base 1028073992
gc_leaf 1145034023
equali1 1174336516
nbits2extraprec 1458637694
gc_upto 1954652785
odd 2090201820
is_pm1 2207430350
lgpol 2697660827
isintzero 2845292056
bit_accuracy 3157457081
gc_INT 4111467224
prec2lg 4471037043
is_const_t 4900404942
degpol 5518917200
remsBIL 8003185075
icopy_avma 8041037537
divsBIL 8094527616
isonstack 8283708163
is_recursive_t 9238698904

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