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 30572-91e0396466) Lines: 1420 1532 92.7 %
Date: 2025-12-14 09:22:17 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 11555
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 22080
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 26299
gal_get_den 27881
gal_get_invvdm 27888
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29945
gal_get_roots 32760
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33537
Qtoss 35322
gal_get_pol 36344
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37803
FqX_div 38564
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 58575
RgX_fpnorml2 61628
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64855
RgX_is_rational 68323
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 80402
mkcol3 88314
gtou 98312
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108863
zeromat 109162
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114616
Q_abs_shallow 120215
mkmatcopy 122273
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138707
zeroser 138908
RgV_is_QV 140790
FqX_factor 141079
get_FpXQX_mod 146583
FlxqX_div_pre 165418
znstar_get_U 176107
rowslicepermute 184972
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200554
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220436
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235946
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249618
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277505
gchar_get_zm 281911
bnf_get_tuN 283007
bnf_get_fu_nocheck 289091
bnf_get_tuU 303585
nf_get_G 304248
vec_prepend 313997
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334022
cxtoreal 337207
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355203
ZM_hnfrem 363860
FqX_mul 367830
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384915
RgX_is_QX 400146
perm_conj 418299
FqX_Fq_mul 427295
FqX_extgcd 445092
Z_issquare 458924
nf_get_disc 463985
precdbl 475507
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519567
mkvec3s 524441
gdivsg 531591
addmuliu 535800
FqX_Fp_mul 572213
prec2nbits_mul 581163
vecsmall_ei 584699
ZM_ZV_mod 596666
RgC_fpnorml2 622151
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754919
gcmpgs 761922
row 764016
rnf_get_nf 786030
ellff_get_a4a6 800026
zero_F2m_copy 845230
FpXX_renormalize 849896
zeropadic 855291
gmin_shallow 878338
affgr 898866
ZXQ_sqr 961147
cgetc 975460
Flx_lead 980820
polx_F2x 1079270
pr_norm 1090317
sstoQ 1097215
Fp_invsafe 1100567
Flx_mulu 1105477
vecsmall_max 1164760
mkfracss 1209563
RgV_isscalar 1210302
gen_I 1269821
RgX_is_monomial 1331759
mkoo 1332007
bnf_get_sunits 1367845
bnr_get_nf 1368184
rnf_get_absdegree 1392746
zero_Flx 1426780
guncloneNULL_deep 1435239
constant_coeff 1441403
Rg_col_ei 1451667
inf_get_sign 1453123
vecsmall_concat 1464464
nf_get_varn 1503804
bid_get_mod 1521921
F2m_flip 1554354
F2v_flip 1554354
F2x_flip 1554354
F2x_div 1571878
uutoQ 1600198
nf_get_roots 1628572
bnf_get_gen 1680401
vec_ei 1714771
gsubgs 1724810
mkvecsmall5 1731068
ulogint 1731460
nf_get_roundG 1747567
abgrp_get_gen 1765107
ellinf 1869564
modpr_get_p 1888614
killblock 1927336
get_F2x_degree 1929046
Flx_div 1999170
ellnf_get_nf 2027636
ellff_get_field 2036859
bnr_get_bid 2046141
ell_get_j 2126227
bid_get_MOD 2157272
bid_get_sprk 2158008
ZXQ_mul 2162227
zv_copy 2183993
bid_get_fact2 2201590
gc_slice 2204984
pol_xn 2249955
pari_realloc_ip 2269058
bid_get_archp 2397119
bid_get_fact 2498955
get_F2x_mod 2499194
rnf_get_degree 2506307
bnr_get_cyc 2522608
get_F2x_var 2534172
ell_get_b4 2550216
Flv_copy 2555249
mul_content 2655170
RgX_coeff 2669861
vecslicepermute 2691365
hash_str 2756815
cyc_get_expo 2757849
perm_inv 2783010
sqrtnr 2809828
bnr_get_clgp 2830303
zero_Flm 2830380
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2874037
bnf_get_logfu 2874815
gisdouble 2993645
mkpolmod 3105220
Fq_red 3106427
bit_accuracy_mul 3175472
ZV_to_zv 3211422
identity_perm 3242836
F3m_coeff 3256660
identity_zv 3267187
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394577
vec_append 3465723
zero_F2v 3648430
bid_get_U 3680255
bnf_get_cyc 3686690
nf_get_index 3712370
bnr_get_bnf 3751402
pol_1 3756648
pol_x 3858359
ell_get_b6 3863115
mulsubii 3882887
pol1_F2x 3957707
vec_to_vecsmall 4036852
vecsmall_append 4111407
sqrfrac 4148142
vecsmall_copy 4404881
mkcol2s 4416244
F2x_equal 4663655
FpXQX_renormalize 4693296
mkmat 4751368
qfb_disc3 4995659
mkfraccopy 4999406
is_rational_t 5035711
bnf_get_clgp 5375632
nf_get_zkprimpart 5418453
nf_get_zkden 5464245
FpX_div 5583103
checkell_i 5593352
pari_stack_delete 5601743
isintm1 5711142
bid_get_cyc 5739812
bid_get_grp 5804673
col_ei 5927059
pari_stack_init 6086845
get_FpX_degree 6424880
Flm_copy 6435529
sqrti 6666955
get_FpX_var 6958179
RgX_div 7000740
vecsmall_lexcmp 7043233
ell_get_a2 7106184
ZM_lll 7118275
RgX_gtofp 7147841
znstar_get_faN 7331711
ell_get_b2 7371026
ZX_is_monic 7376192
zc_to_ZC 7824607
vecsmall_to_col 7838790
znstar_get_conreycyc 7979693
F2m_coeff 8039789
Q_abs 8064282
mkintmod 8092602
ZV_ZV_mod 8131640
RgM_gtofp 8260438
Flx_equal1 8331045
gc_INT_affii 8499176
ell_get_a4 8536725
Flm_row 8742500
ell_get_a3 8814048
ell_get_a1 8997080
cxtofp 9084448
veclast 9372761
ismpzero 9586562
is_intreal_t 9586669
const_col 9730270
RgM_dimensions 9742639
nf_get_invzk 9769586
bnf_get_nf 9865062
mkvec4 10107006
ser_isexactzero 10120284
ell_get_a6 10370963
mkcol 10641540
ZC_hnfrem 10696730
mul_denom 10713469
ell_get_c4 11018037
Fp_addmul 11359121
vectrunc_init 12066781
pr_get_gen 12069811
abgrp_get_cyc 12231357
F2x_clear 12357591
F2v_clear 12357610
ell_get_type 12499508
nbits2nlong 12677555
pol0_F2x 13247846
ell_get_c6 13474388
gmax_shallow 13510227
modpr_get_T 13868023
closure_get_frame 14173801
zeromatcopy 14252716
rowpermute 14711164
Fp_div 15036098
Fp_divu 15130618
mkvec5 15187131
pr_get_e 16105793
vectrunc_append 16162164
ell_get_disc 16815125
matslice 16824373
pr_is_inert 17150939
normalize_frac 17206688
isint1 17587090
mkvecsmall4 17827303
Fp_center_i 18059368
cxcompotor 18220579
qfb_disc 18514438
const_vecsmall 19712343
vecpermute 20546650
nf_get_M 21308726
Flx_div_pre 21717866
RgM_shallowcopy 22179762
Fp_double 22282904
RgX_is_ZX 22426148
gmulgs 22605893
nf_get_r1 23029273
ZV_isscalar 23236197
Fp_inv 23444544
get_Flx_mod 25611614
pr_get_f 26350953
RgX_equal_var 26883218
shallowcopy 27643124
mkqfb 27929408
zerovec 28455763
modpr_get_pr 31239016
Fp_neg 31481454
hash_str_len 31551624
RgV_is_ZV 32167322
submulii 32848628
mkmat2 33664196
RgC_gtofp 34045305
const_vec 34491538
zero_zv 36747872
polx_Flx 37841037
lincombii 38227290
znstar_get_N 38655073
mkfrac 41643863
zeropol 42358734
powii 43178891
is_vec_t 43962928
closure_is_variadic 44826805
absfrac 46644655
guncloneNULL 48221433
pr_get_tau 49578427
mkmat22 50285844
ell_is_inf 52491101
QV_isscalar 54419520
pol1_Flx 55097382
zero_Flv 59572958
addmuliu_inplace 59715201
submuliu_inplace 60211980
F2x_copy 60447323
gtodouble 60798599
is_real_t 62063899
qfb_is_qfi 62947348
Fp_sqr 64553255
get_Flx_var 68420866
Fp_mulu 69036062
mkvec 71167714
nf_get_degree 71372468
Fp_center 77246665
vecsmallpermute 78739169
rowslice 79356884
sqrtr 80385495
perm_mul 80934757
Fp_red 82090080
get_Flx_degree 82969626
pol_0 83002301
gtos 85854566
is_noncalc_t 85879767
cxnorm 91218266
mkcomplex 91627358
pr_get_p 92492650
dbllog2r 92830702
nf_get_pol 98086198
F2v_set 101405881
vecsmalltrunc_append 101479444
cgiv 102284660
RgX_copy 103409152
pol0_Flx 103533685
prec2nbits 103970407
mkvecsmall3 104053079
vecsmall_prefixcmp 108088071
gc_all 110029313
F2x_renormalize 115196502
mkvec3 119791016
zerocol 122365019
gaddgs 123248624
both_odd 123947598
F2x_set 124741771
nchar2nlong 127439432
mkvecsmall 131707770
equalim1 139505804
bit_prec 142845853
FpX_renormalize 144589785
ZX_renormalize 155034779
mkcol2 156900313
nbrows 157542824
leading_coeff 170556090
Flx_copy 173825154
Fp_add 181508655
nbits2prec 186157179
mkvec2 186748621
vecsmalltrunc_init 193426847
Fp_mul 201058738
Fp_sub 203485551
mkvecsmall2 233694138
gtofp 254401204
gc_GEN 256269739
gmulgu 282059385
closure_get_data 321523643
closure_get_oper 321553347
closure_codestr 321578016
lg_increase 325769115
is_universal_constant 325948662
lgcols 350868107
closure_arity 371441937
is_scalar_t 375678658
bin_copy 497445593
pari_free 510844788
is_bigint 562986158
leafcopy_avma 577981531
vecslice 656291442
is_matvec_t 659545132
F2v_coeff 661337248
F2x_coeff 667918406
pari_malloc 746749802
pari_stack_new 925115175
GENbinbase 964576809
pari_stack_alloc 1019806736
pari_stack_base 1025391307
gc_leaf 1135542828
equali1 1175735550
nbits2extraprec 1457059445
gc_upto 1951303277
odd 2086059881
is_pm1 2204464299
lgpol 2685805031
isintzero 2843314847
bit_accuracy 3163679890
gc_INT 4110455198
prec2lg 4469052396
is_const_t 4894931673
degpol 5510190083
remsBIL 8007262692
icopy_avma 8042605540
divsBIL 8097201214
isonstack 8268295513
is_recursive_t 9240384309

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