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 30678-a23e500d22) Lines: 1420 1535 92.5 %
Date: 2026-02-15 09:22:35 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 1834
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 11557
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 17149
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 22084
gtomp 22428
RgM_fpnorml2 22662
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 33560
Qtoss 35364
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37079
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 38002
FqX_div 38568
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41584
znstar_get_Ui 46788
pari_calloc 47734
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 61601
err_get_num 62550
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68166
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 75643
bnr_get_mod 77119
gal_get_group 80388
mkcol3 88314
cyclic_perm 99911
gtou 100719
mkcol4 103467
zv_to_zx 104146
mkmoo 108791
zeromat 109093
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114531
Q_abs_shallow 120234
mkmatcopy 122291
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138445
zeroser 138943
RgV_is_QV 140733
FqX_factor 140960
get_FpXQX_mod 146583
FlxqX_div_pre 165409
znstar_get_U 176107
rowslicepermute 185001
vecsmall_prepend 186977
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200435
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220247
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238234
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249620
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 283002
bnf_get_fu_nocheck 289095
bnf_get_tuU 303585
nf_get_G 304918
vec_prepend 314006
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334014
cxtoreal 337207
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 354948
ZM_hnfrem 363794
FqX_mul 367711
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384925
RgX_is_QX 399930
perm_conj 418299
FqX_Fq_mul 427291
FqX_extgcd 444770
Z_issquare 457643
nf_get_disc 463482
precdbl 475402
RgX_shift_inplace 479369
RgX_shift_inplace_init 479369
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519553
mkvec3s 524441
gdivsg 531591
addmuliu 535754
FqX_Fp_mul 571668
prec2nbits_mul 581165
vecsmall_ei 584717
ZM_ZV_mod 596649
RgC_fpnorml2 619848
FqX_is_squarefree 683802
vecreverse 697305
mkrfrac 698439
coltrunc_init 740257
logint 754839
gcmpgs 761914
row 763899
rnf_get_nf 786086
ellff_get_a4a6 800023
zero_F2m_copy 845072
FpXX_renormalize 849903
zeropadic 857566
gmin_shallow 877779
affgr 899594
ZXQ_sqr 960442
cgetc 975460
Flx_lead 979099
polx_F2x 1079255
pr_norm 1090565
sstoQ 1097313
Fp_invsafe 1100338
Flx_mulu 1105449
vecsmall_max 1164209
mkfracss 1209563
RgV_isscalar 1210271
gen_I 1269728
RgX_is_monomial 1331370
mkoo 1331879
bnf_get_sunits 1367777
rnf_get_absdegree 1392746
bnr_get_nf 1399084
zero_Flx 1426709
constant_coeff 1441432
Rg_col_ei 1450983
inf_get_sign 1452921
vecsmall_concat 1464287
guncloneNULL_deep 1494032
nf_get_varn 1503755
bid_get_mod 1521922
F2m_flip 1554774
F2v_flip 1554774
F2x_flip 1554774
F2x_div 1572404
uutoQ 1602144
nf_get_roots 1628996
bnf_get_gen 1680326
vec_ei 1713860
mkvecsmall5 1717497
gsubgs 1724803
ulogint 1725448
nf_get_roundG 1748224
abgrp_get_gen 1765040
ellinf 1869639
modpr_get_p 1887627
get_F2x_degree 1929051
killblock 1951475
Flx_div 1997983
ellnf_get_nf 2027243
ellff_get_field 2036852
bnr_get_bid 2046087
ell_get_j 2126269
bid_get_MOD 2157242
bid_get_sprk 2157971
ZXQ_mul 2161229
zv_copy 2183716
bid_get_fact2 2201565
gc_slice 2204379
pol_xn 2249513
pari_realloc_ip 2349848
bid_get_archp 2397115
bid_get_fact 2498939
get_F2x_mod 2499368
rnf_get_degree 2506335
bnr_get_cyc 2522568
get_F2x_var 2534020
ell_get_b4 2550216
Flv_copy 2554977
mul_content 2657261
RgX_coeff 2669861
vecslicepermute 2691594
cyc_get_expo 2757558
hash_str 2762515
perm_inv 2782059
sqrtnr 2810277
bnr_get_clgp 2830242
zero_Flm 2830839
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2874180
bnf_get_logfu 2874766
gisdouble 2996616
mkpolmod 3103717
Fq_red 3106454
bit_accuracy_mul 3175484
ZV_to_zv 3211716
identity_perm 3242436
F3m_coeff 3255867
identity_zv 3266786
znstar_get_conreygen 3290526
ell_get_b8 3297414
get_FpX_mod 3394339
vec_append 3464615
zero_F2v 3647829
bid_get_U 3680219
bnf_get_cyc 3686160
bnr_get_bnf 3710945
nf_get_index 3711392
pol_1 3755831
pol_x 3857349
ell_get_b6 3863115
mulsubii 3881149
pol1_F2x 3957589
vec_to_vecsmall 4036919
vecsmall_append 4114717
sqrfrac 4148319
vecsmall_copy 4403882
mkcol2s 4416244
F2x_equal 4669589
FpXQX_renormalize 4693981
mkmat 4750939
qfb_disc3 4996178
mkfraccopy 4999890
is_rational_t 5032654
bnf_get_clgp 5375033
nf_get_zkprimpart 5414050
nf_get_zkden 5459826
FpX_div 5581171
checkell_i 5593263
isintm1 5710365
bid_get_cyc 5739822
bid_get_grp 5804675
pari_stack_delete 5841218
col_ei 5924624
pari_stack_init 6354281
get_FpX_degree 6424407
Flm_copy 6433588
sqrti 6610299
get_FpX_var 6957833
RgX_div 6997996
vecsmall_lexcmp 7043242
ell_get_a2 7106182
ZM_lll 7117995
RgX_gtofp 7145498
znstar_get_faN 7334819
ell_get_b2 7371023
ZX_is_monic 7374278
zc_to_ZC 7824412
vecsmall_to_col 7838593
znstar_get_conreycyc 7982108
F2m_coeff 8039929
Q_abs 8062688
mkintmod 8070697
ZV_ZV_mod 8131886
RgM_gtofp 8258339
Flx_equal1 8330009
gc_INT_affii 8485473
ell_get_a4 8536723
Flm_row 8742243
ell_get_a3 8814042
ell_get_a1 8997074
cxtofp 9079201
veclast 9372720
ismpzero 9584600
is_intreal_t 9584702
const_col 9729692
RgM_dimensions 9741846
nf_get_invzk 9767397
bnf_get_nf 9865169
mkvec4 10094880
ser_isexactzero 10120326
ell_get_a6 10370961
mkcol 10639694
ZC_hnfrem 10697297
mul_denom 10707564
ell_get_c4 11017802
Fp_addmul 11230302
vectrunc_init 11767355
pr_get_gen 12071089
abgrp_get_cyc 12230810
F2x_clear 12354879
F2v_clear 12354884
ell_get_type 12498852
nbits2nlong 12754027
pol0_F2x 13247124
ell_get_c6 13474283
gmax_shallow 13510199
modpr_get_T 13867132
zeromatcopy 14250532
rowpermute 14706880
closure_get_frame 14717049
Fp_div 15035676
Fp_divu 15130160
mkvec5 15185841
vectrunc_append 15856442
pr_get_e 16161993
ell_get_disc 16814718
matslice 16825645
normalize_frac 17206731
pr_is_inert 17224088
isint1 17586438
Fp_center_i 18040768
cxcompotor 18210240
qfb_disc 18502488
mkvecsmall4 18672712
const_vecsmall 19706702
vecpermute 20548621
Fp_double 20800620
Flx_div_pre 21689243
nf_get_M 21746088
RgM_shallowcopy 22179589
RgX_is_ZX 22423022
gmulgs 22623592
Fp_inv 23441669
nf_get_r1 23466512
ZV_isscalar 23675332
get_Flx_mod 25593368
pr_get_f 26443223
RgX_equal_var 26883016
shallowcopy 27632334
mkqfb 27930426
zerovec 29292277
modpr_get_pr 31236623
Fp_neg 31478525
hash_str_len 31631802
submulii 31982591
RgV_is_ZV 32160181
mkmat2 33654896
RgC_gtofp 34034126
const_vec 34564220
zero_zv 36738440
polx_Flx 37486606
lincombii 38228529
znstar_get_N 38658713
mkfrac 41646695
zeropol 42353474
powii 43130428
is_vec_t 43949031
closure_is_variadic 45905915
absfrac 46540066
guncloneNULL 48009387
pr_get_tau 49768658
mkmat22 50293730
ell_is_inf 52363616
QV_isscalar 54415953
pol1_Flx 55052504
addmuliu_inplace 59650976
zero_Flv 59678657
submuliu_inplace 60138680
F2x_copy 60475924
gtodouble 60785157
is_real_t 62059885
qfb_is_qfi 62318272
Fp_sqr 63602015
Fp_mulu 67262718
get_Flx_var 68349558
mkvec 71268166
nf_get_degree 71369642
Fp_center 77330357
vecsmallpermute 78723671
rowslice 79351413
sqrtr 80377511
perm_mul 80919053
get_Flx_degree 82145469
Fp_red 82197001
pol_0 82787601
is_noncalc_t 85781266
gtos 85855660
cxnorm 91196198
mkcomplex 91607925
pr_get_p 92750867
dbllog2r 92818636
nf_get_pol 98107987
vecsmalltrunc_append 100880636
F2v_set 101404702
cgiv 102681988
RgX_copy 103403249
pol0_Flx 103459160
prec2nbits 103968789
mkvecsmall3 104180114
vecsmall_prefixcmp 108088071
gc_all 109640141
F2x_renormalize 115393140
mkvec3 117652607
zerocol 122337947
gaddgs 123248640
both_odd 124147548
F2x_set 124785711
nchar2nlong 127562210
mkvecsmall 131620703
equalim1 139505381
bit_prec 143265011
FpX_renormalize 144210600
ZX_renormalize 154992541
mkcol2 156923104
nbrows 157473380
leading_coeff 170212514
Flx_copy 173186288
Fp_add 180999839
mkvec2 185690987
nbits2prec 186144139
vecsmalltrunc_init 190771057
Fp_mul 200793652
Fp_sub 202852188
mkvecsmall2 234960559
gtofp 254358435
gc_GEN 255479662
gmulgu 283104681
lg_increase 319653858
closure_get_data 322267763
closure_get_oper 322299808
closure_codestr 322334108
is_universal_constant 326472902
lgcols 351656036
closure_arity 372716452
is_scalar_t 375680272
bin_copy 496009084
pari_free 509490891
is_bigint 563402446
leafcopy_avma 577384164
vecslice 656614176
is_matvec_t 659642900
F2v_coeff 661328417
F2x_coeff 667889312
pari_malloc 745421362
pari_stack_new 927101476
GENbinbase 961796165
pari_stack_alloc 1022382332
pari_stack_base 1028196138
gc_leaf 1136756088
equali1 1174023282
nbits2extraprec 1458332081
gc_upto 1955306603
odd 2091043679
is_pm1 2204687640
lgpol 2686759616
isintzero 2845107452
bit_accuracy 3160408599
gc_INT 4112859467
prec2lg 4470158480
is_const_t 4898773250
degpol 5490372919
remsBIL 8003038292
icopy_avma 8042261180
divsBIL 8093774897
isonstack 8277094733
is_recursive_t 9237934749

Generated by: LCOV version 1.16