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 30569-8181146aa1) Lines: 1420 1532 92.7 %
Date: 2025-12-04 09:22:12 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
F2m_coeff 8039129
F2m_copy 200552
F2m_flip 1554050
F2m_set 798
F2v_clear 12357160
F2v_coeff 661333621
F2v_copy 4487
F2v_ei 42
F2v_flip 1554050
F2v_set 101405325
F2v_to_F2x 37824
F2xX_shift 0
F2x_clear 12357140
F2x_coeff 667903286
F2x_copy 60425785
F2x_div 1570108
F2x_equal 4657289
F2x_equal1 2873905
F2x_flip 1554050
F2x_renormalize 115160567
F2x_set 124720861
F2xqX_div 33173
F3m_coeff 3256657
F3m_copy 0
F3m_set 0
Flm_copy 6435517
Flm_row 8742498
Flv_copy 2555184
Flx_constant 334019
Flx_copy 173821825
Flx_div 1999131
Flx_div_pre 21716676
Flx_equal1 8331057
Flx_lead 980641
Flx_mulu 1105494
FlxqX_div 0
FlxqX_div_pre 165413
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4692965
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583081
FpX_renormalize 144584351
Fp_add 181445432
Fp_addmul 11360697
Fp_center 77211530
Fp_center_i 18053156
Fp_div 15035117
Fp_divu 15129563
Fp_double 22261699
Fp_halve 247348
Fp_inv 23444139
Fp_invsafe 1100571
Fp_mul 201036948
Fp_muls 17780
Fp_mulu 67654339
Fp_neg 31480405
Fp_red 82089444
Fp_sqr 64383385
Fp_sub 203445326
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_mul 22766
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_Fp_mul 572233
FqX_Fq_mul 427282
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38567
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445096
FqX_factor 141079
FqX_factor_squarefree 7
FqX_gcd 8288
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367827
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4144
FqX_powu 1295
FqX_red 25354
FqX_rem 37743
FqX_roots 7273
FqX_sqr 71855
FqX_sub 68607
FqX_to_mod 175
FqXn_exp 0
FqXn_expint 6590
FqXn_inv 7126
FqXn_mul 263403
FqXn_sqr 0
Fq_red 3106280
Fq_to_FpXQ 73792
GENbinbase 964559038
QV_isscalar 54418582
Q_abs 8064298
Q_abs_shallow 120247
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622145
RgC_gtofp 34040858
RgC_gtomp 574
RgM_dimensions 9742574
RgM_fpnorml2 22795
RgM_gtofp 8259826
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179462
RgV_gtofp 56
RgV_is_QV 140792
RgV_is_ZV 32167320
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210302
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409199
RgX_div 7000740
RgX_equal_var 26883214
RgX_fpnorml2 61628
RgX_gtofp 7147911
RgX_is_QX 400154
RgX_is_ZX 22426172
RgX_is_monomial 1331778
RgX_is_rational 68325
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451766
Rg_to_Fq 756
ZC_hnfrem 10696655
ZM_ZV_mod 596631
ZM_hnfrem 363893
ZM_lll 7117930
ZV_ZV_mod 8131577
ZV_dvd 23485
ZV_isscalar 23236022
ZV_to_zv 3211422
ZXQ_mul 2162216
ZXQ_sqr 961152
ZX_equal1 12893
ZX_is_monic 7376200
ZX_renormalize 155030655
Z_ispower 98
Z_issquare 458921
abgrp_get_cyc 12231269
abgrp_get_gen 1765115
abgrp_get_no 355201
absfrac 46644714
absfrac_shallow 28237
addmuliu 535791
addmuliu_inplace 59775221
affc_fixlg 249621
affgr 898866
bid_get_MOD 2157272
bid_get_U 3680252
bid_get_arch 41188
bid_get_archp 2397085
bid_get_cyc 5739783
bid_get_fact 2498955
bid_get_fact2 2201597
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804637
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158004
bin_copy 497437561
bit_accuracy 3163528272
bit_accuracy_mul 3175472
bit_prec 142827531
bnf_get_clgp 5375634
bnf_get_cyc 3686686
bnf_get_fu 25859
bnf_get_fu_nocheck 289098
bnf_get_gen 1680402
bnf_get_logfu 2874800
bnf_get_nf 9865048
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367842
bnf_get_tuN 283003
bnf_get_tuU 303578
bnr_get_bid 2046144
bnr_get_bnf 3751394
bnr_get_clgp 2830272
bnr_get_cyc 2522580
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77146
bnr_get_nf 1368167
bnr_get_no 277503
both_odd 123907657
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975459
cgiv 102283246
checkell_i 5593300
closure_arity 371211698
closure_codestr 321353012
closure_get_code 0
closure_get_data 321297414
closure_get_dbg 13621
closure_get_frame 14173467
closure_get_oper 321325622
closure_get_text 37051
closure_is_variadic 44826236
col_ei 5927034
coltrunc_init 740250
const_col 9730281
const_vec 34489889
const_vecsmall 19711589
constant_coeff 1441414
cxcompotor 18221336
cxnorm 91218911
cxtofp 9084867
cxtoreal 337206
cyc_get_expo 2757830
cyclic_perm 99911
dbllog2r 92831729
degpol 5499249142
div_content 58575
divsBIL 8096374653
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997076
ell_get_a2 7106183
ell_get_a3 8814044
ell_get_a4 8536724
ell_get_a6 10370962
ell_get_b2 7371023
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017764
ell_get_c6 13474125
ell_get_disc 16814767
ell_get_j 2126227
ell_get_type 12499289
ell_is_inf 52471994
ellff_get_a4a6 800022
ellff_get_field 2036853
ellinf 1869439
ellnf_get_bnf 126
ellnf_get_nf 2027642
equali1 1175747373
equalim1 139505571
err_get_compo 294
err_get_num 62522
gaddgs 123248653
gal_get_den 27881
gal_get_e 91
gal_get_gen 15449
gal_get_group 80402
gal_get_invvdm 27888
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36344
gal_get_roots 32760
gc_GEN 256256948
gc_INT 4109751583
gc_INT_affii 8503899
gc_all 110028454
gc_leaf 1132408197
gc_slice 2204933
gc_upto 1951165995
gchar_copy_precs 1225
gchar_get_DLdata 190673
gchar_get_S 36995
gchar_get_U 0
gchar_get_Ui 10983
gchar_get_basis 32816
gchar_get_bnf 205373
gchar_get_cyc 16177
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50519
gchar_get_m0 3318
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2044
gchar_get_nc 37261
gchar_get_nf 243946
gchar_get_nfprec 13468
gchar_get_nfree 322
gchar_get_nm 1869
gchar_get_ns 36995
gchar_get_ntors 322
gchar_get_prec 18795
gchar_get_r1 17444
gchar_get_r2 623
gchar_get_sfu 1743
gchar_get_u0 4252
gchar_get_zm 281911
gchar_set_HUUi 630
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_set_evalprec 1813
gchar_set_m0 945
gchar_set_nalg 630
gchar_set_nf 2110
gchar_set_nfprec 2968
gchar_set_nfree 630
gchar_set_ntors 630
gchar_set_prec 1225
gchar_set_u0 2121
gcmpgs 761924
gdivsg 531590
gen_I 1269837
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929003
get_F2x_mod 2499133
get_F2x_var 2534169
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82275142
get_Flx_mod 25609539
get_Flx_var 68415733
get_FlxqX_degree 317565
get_FlxqX_mod 8033
get_FlxqX_var 264420
get_FpXQX_degree 3589
get_FpXQX_mod 146583
get_FpXQX_var 51630
get_FpX_degree 6424911
get_FpX_mod 3394575
get_FpX_var 6957956
gisdouble 2992646
gmax_shallow 13510227
gmaxsg 0
gmin_shallow 878381
gminsg 0
gmulgs 22547830
gmulgu 282059385
gsubgs 1724807
gtodouble 60798125
gtofp 254378564
gtomp 22428
gtos 85854594
gtou 98316
guncloneNULL 48232516
guncloneNULL_deep 1446656
gval 6230
hash_str 2756815
hash_str_len 31551585
icopy_avma 8042025221
idealchineseinit 5427
idealred 138713
identity_ZV 8113
identity_perm 3242608
identity_zv 3266958
inf_get_sign 1453147
inv_content 0
is_bigint 562968855
is_const_t 4894288676
is_extscalar_t 6876
is_intreal_t 9586534
is_matvec_t 659304361
is_noncalc_t 85879022
is_pm1 2203722883
is_qfb_t 0
is_rational_t 5035681
is_real_t 62063901
is_recursive_t 9240038590
is_scalar_t 375678621
is_universal_constant 325813211
is_vec_t 43954526
isint1 17587151
isintm1 5711183
isintzero 2842489625
ismpzero 9586425
isonstack 8263931273
killblock 1932330
leading_coeff 170556385
leafcopy_avma 577700997
lg_increase 317372719
lgcols 350854650
lgpol 2680843493
lincombii 38208326
locs_get_Lgenfil 1288
locs_get_Lsprk 193935
locs_get_cyc 52136
locs_get_famod 1288
locs_get_m_infty 209475
locs_get_mod 8225
logint 754917
matpascal 3983
matslice 16823578
mkcol 10641627
mkcol2 156888444
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33540
mkcols 40411
mkcomplex 91630893
mkerr 0
mkfrac 41638529
mkfraccopy 4999579
mkfracss 1209563
mkintmod 8092562
mkintmodu 1813
mkmat 4751376
mkmat2 33663918
mkmat22 50282867
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122299
mkmoo 108863
mkoo 1332022
mkpadic 2009
mkpolmod 3105224
mkqfb 27929115
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71144532
mkvec2 185210739
mkvec2copy 114620
mkvec2s 220436
mkvec3 117706507
mkvec3s 524441
mkvec4 10106989
mkvec4s 21
mkvec5 15187121
mkveccopy 122521
mkvecs 168
mkvecsmall 131704206
mkvecsmall2 233669863
mkvecsmall3 104051896
mkvecsmall4 17827403
mkvecsmall5 1731098
modpr_get_T 13868008
modpr_get_p 1888614
modpr_get_pr 31238947
mul_content 2654958
mul_denom 10713472
mulsubii 3881682
nbits2extraprec 1456929451
nbits2ndec 228
nbits2nlong 12677454
nbits2prec 186140188
nbrows 157530868
nchar2nlong 127435806
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304216
nf_get_M 21308585
nf_get_Tr 22084
nf_get_degree 71371128
nf_get_diff 4459
nf_get_disc 463987
nf_get_index 3712392
nf_get_invzk 9769533
nf_get_pol 98085236
nf_get_r1 23029151
nf_get_r2 4154
nf_get_ramified_primes 64854
nf_get_roots 1628543
nf_get_roundG 1747538
nf_get_sign 519566
nf_get_varn 1503782
nf_get_zk 4382
nf_get_zkden 5464247
nf_get_zkprimpart 5418430
normalize_frac 17206833
odd 2084356151
pari_calloc 47699
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2862
pari_err_FILE 0
pari_err_FILEDESC 36
pari_err_FLAG 98
pari_err_IMPL 539
pari_err_INV 20018
pari_err_IRREDPOL 63
pari_err_MAXPRIME 0
pari_err_MODULUS 1316
pari_err_OP 406
pari_err_OVERFLOW 156
pari_err_PACKAGE 0
pari_err_PREC 238
pari_err_PRIME 98
pari_err_PRIORITY 238
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15370
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510851086
pari_malloc 746737166
pari_realloc 1890
pari_realloc_ip 2269240
pari_stack_alloc 1019523626
pari_stack_base 1025149166
pari_stack_delete 5640931
pari_stack_init 6087171
pari_stack_new 924838958
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782945
perm_mul 80931842
perm_sqr 728
pol0_F2x 13243884
pol0_Flx 103528123
pol1_F2x 3957603
pol1_Flx 55093016
pol_0 83002291
pol_1 3756643
pol_x 3858392
pol_xn 2249976
pol_xnall 294
polx_F2x 1078564
polx_Flx 37838417
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178862
pr_get_e 16105431
pr_get_f 26350558
pr_get_gen 12069744
pr_get_p 92491339
pr_get_tau 49577355
pr_is_inert 17150524
pr_norm 1090272
prec2lg 4468087376
prec2nbits 103968703
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475516
qfb_disc 18514455
qfb_disc3 4995477
qfb_is_qfi 62955955
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006409620
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 357
rnf_get_idealdisc 1386
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1225
rnf_get_map 135659
rnf_get_nf 786030
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845164
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764019
row_i 987
rowcopy 204988
rowpermute 14710915
rowslice 79350971
rowslicepermute 185224
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27642854
sqrfrac 4148191
sqrti 6666897
sqrtnr 2809666
sqrtr 80382549
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60263713
truecoef 0
trunc_safe 0
ulogint 1713806
upr_norm 346136
uutoQ 1600198
vec_append 3465710
vec_ei 1714720
vec_lengthen 18946
vec_prepend 313992
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036847
veclast 9372758
vecmodii 0
vecmoduu 49784
vecpermute 20548906
vecreverse 697235
vecreverse_inplace 2605
vecslice 656318743
vecslicepermute 2691860
vecsmall_append 4111375
vecsmall_coincidence 0
vecsmall_concat 1464425
vecsmall_copy 4404908
vecsmall_ei 584721
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164567
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74584
vecsmall_to_col 7839132
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78736337
vecsmalltrunc_append 101551045
vecsmalltrunc_init 190480798
vecsplice 384941
vectrunc_append 16161222
vectrunc_append_batch 12306
vectrunc_init 12067362
zc_to_ZC 7824938
zero_F2m 0
zero_F2m_copy 845224
zero_F2v 3648419
zero_F2x 1350
zero_Flm 2830148
zero_Flm_copy 235945
zero_Flv 59570588
zero_Flx 1426781
zero_zm 0
zero_zv 36746053
zero_zx 0
zerocol 122358495
zeromat 109116
zeromatcopy 14252096
zeropadic 855646
zeropadic_shallow 17023
zeropol 42358734
zeroser 138908
zerovec 28455714
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38655073
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7979693
znstar_get_conreygen 3290176
znstar_get_cyc 262088
znstar_get_faN 7331711
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2869063
zv_copy 2183930
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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