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 30547-1b347192b6) Lines: 1419 1532 92.6 %
Date: 2025-11-13 09:22:32 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 8039568
F2m_copy 200497
F2m_flip 1554381
F2m_set 798
F2v_clear 12355867
F2v_coeff 661331219
F2v_copy 4487
F2v_ei 42
F2v_flip 1554381
F2v_set 101404634
F2v_to_F2x 37907
F2xX_shift 0
F2x_clear 12355871
F2x_coeff 667911690
F2x_copy 60431262
F2x_div 1571441
F2x_equal 4662830
F2x_equal1 2874113
F2x_flip 1554381
F2x_renormalize 115266130
F2x_set 124762661
F2xqX_div 33173
F3m_coeff 3256720
F3m_copy 0
F3m_set 0
Flm_copy 6433619
Flm_row 8742530
Flv_copy 2555269
Flx_constant 333159
Flx_copy 173811812
Flx_div 1999017
Flx_div_pre 21706906
Flx_equal1 8327374
Flx_lead 980592
Flx_mulu 1105189
FlxqX_div 0
FlxqX_div_pre 165412
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693682
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581168
FpX_renormalize 144588630
Fp_add 181675570
Fp_addmul 11388548
Fp_center 77235697
Fp_center_i 18057862
Fp_div 15035901
Fp_divu 15135680
Fp_double 22359968
Fp_halve 247348
Fp_inv 23437894
Fp_invsafe 1100355
Fp_mul 201128888
Fp_muls 17780
Fp_mulu 69136008
Fp_neg 31488215
Fp_red 82092976
Fp_sqr 64787915
Fp_sub 203589611
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 572108
FqX_Fq_mul 427295
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38546
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445047
FqX_factor 141051
FqX_factor_squarefree 7
FqX_gcd 8246
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367812
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4123
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 3106420
Fq_to_FpXQ 73792
GENbinbase 964309766
QV_isscalar 54400621
Q_abs 8062672
Q_abs_shallow 120251
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622066
RgC_gtofp 34012044
RgC_gtomp 574
RgM_dimensions 9741944
RgM_fpnorml2 22780
RgM_gtofp 8252415
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169132
RgV_gtofp 56
RgV_is_QV 140758
RgV_is_ZV 32164055
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103405211
RgX_div 7000740
RgX_equal_var 26880633
RgX_fpnorml2 61607
RgX_gtofp 7147611
RgX_is_QX 400133
RgX_is_ZX 22421951
RgX_is_monomial 1331720
RgX_is_rational 68303
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451301
Rg_to_Fq 756
ZC_hnfrem 10690792
ZM_ZV_mod 596600
ZM_hnfrem 363846
ZM_lll 7112451
ZV_ZV_mod 8131249
ZV_dvd 23485
ZV_isscalar 23098029
ZV_to_zv 3211415
ZXQ_mul 2162069
ZXQ_sqr 961085
ZX_equal1 12711
ZX_is_monic 7376007
ZX_renormalize 155003543
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12230227
abgrp_get_gen 1765023
abgrp_get_no 355188
absfrac 46642146
absfrac_shallow 28237
addmuliu 541092
addmuliu_inplace 59696026
affc_fixlg 249618
affgr 898866
bid_get_MOD 2157273
bid_get_U 3680252
bid_get_arch 41188
bid_get_archp 2397132
bid_get_cyc 5739583
bid_get_fact 2498955
bid_get_fact2 2201594
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804436
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158003
bin_copy 497306046
bit_accuracy 3162831356
bit_accuracy_mul 3175472
bit_prec 142670947
bnf_get_clgp 5374915
bnf_get_cyc 3686062
bnf_get_fu 25859
bnf_get_fu_nocheck 289070
bnf_get_gen 1680309
bnf_get_logfu 2874738
bnf_get_nf 9863721
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367776
bnf_get_tuN 282999
bnf_get_tuU 303577
bnr_get_bid 2045869
bnr_get_bnf 3750913
bnr_get_clgp 2830018
bnr_get_cyc 2522349
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368119
bnr_get_no 277498
both_odd 123957580
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975459
cgiv 102118487
checkell_i 5593284
closure_arity 371227185
closure_codestr 321326213
closure_get_code 0
closure_get_data 321305533
closure_get_dbg 13621
closure_get_frame 14169844
closure_get_oper 321315637
closure_get_text 37051
closure_is_variadic 40168723
col_ei 5925863
coltrunc_init 740250
const_col 9729898
const_vec 34481989
const_vecsmall 19706070
constant_coeff 1441520
cxcompotor 18217893
cxnorm 90941612
cxtofp 9083102
cxtoreal 337206
cyc_get_expo 2757787
cyclic_perm 99911
dbllog2r 92826154
degpol 5511021139
div_content 58477
divsBIL 8097104224
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997059
ell_get_a2 7106156
ell_get_a3 8814027
ell_get_a4 8536697
ell_get_a6 10370935
ell_get_b2 7371033
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018006
ell_get_c6 13474380
ell_get_disc 16815248
ell_get_j 2126227
ell_get_type 12499286
ell_is_inf 52524277
ellff_get_a4a6 800033
ellff_get_field 2036866
ellinf 1869837
ellnf_get_bnf 126
ellnf_get_nf 2027601
equali1 1175160352
equalim1 139504896
err_get_compo 294
err_get_num 62529
gaddgs 123247556
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80394
gal_get_invvdm 27881
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36337
gal_get_roots 32753
gc_GEN 256207051
gc_INT 4104454317
gc_INT_affii 8486987
gc_all 109992791
gc_leaf 1135054320
gc_slice 2204822
gc_upto 1949162749
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 243932
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 761917
gdivsg 531589
gen_I 1269830
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929046
get_F2x_mod 2499225
get_F2x_var 2534163
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82904492
get_Flx_mod 25599888
get_Flx_var 68359064
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 6424545
get_FpX_mod 3394337
get_FpX_var 6957894
gisdouble 2987880
gmax_shallow 13510218
gmaxsg 0
gmin_shallow 878294
gminsg 0
gmulgs 22501953
gmulgu 282059385
gsubgs 1724806
gtodouble 60798295
gtofp 254247685
gtomp 22428
gtos 85854597
gtou 98320
guncloneNULL 48222873
guncloneNULL_deep 1438902
gval 6230
hash_str 2756815
hash_str_len 31549715
icopy_avma 8035905078
idealchineseinit 5427
idealred 138520
identity_ZV 8113
identity_perm 3242656
identity_zv 3267006
inf_get_sign 1453159
inv_content 0
is_bigint 562601913
is_const_t 4888476407
is_extscalar_t 6876
is_intreal_t 9583960
is_matvec_t 659285354
is_noncalc_t 85862425
is_pm1 2203081093
is_qfb_t 0
is_rational_t 5035283
is_real_t 62063856
is_recursive_t 9238362376
is_scalar_t 375666056
is_universal_constant 325913141
is_vec_t 43942186
isint1 17585207
isintm1 5711075
isintzero 2837943195
ismpzero 9583854
isonstack 8258021182
killblock 1929007
leading_coeff 170557083
leafcopy_avma 577185313
lg_increase 311848289
lgcols 350243361
lgpol 2688207693
lincombii 38198361
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 755041
matpascal 3983
matslice 16817544
mkcol 10640958
mkcol2 156860121
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33496
mkcols 40411
mkcomplex 91623621
mkerr 0
mkfrac 41641531
mkfraccopy 4998917
mkfracss 1209563
mkintmod 8092651
mkintmodu 1813
mkmat 4750759
mkmat2 33658552
mkmat22 50275763
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122246
mkmoo 108846
mkoo 1332054
mkpadic 2009
mkpolmod 3105020
mkqfb 27919783
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71141988
mkvec2 184097370
mkvec2copy 114570
mkvec2s 220418
mkvec3 119773932
mkvec3s 524441
mkvec4 10106102
mkvec4s 21
mkvec5 15185027
mkveccopy 122521
mkvecs 168
mkvecsmall 131691139
mkvecsmall2 233632420
mkvecsmall3 104045526
mkvecsmall4 17838122
mkvecsmall5 1731075
modpr_get_T 13867539
modpr_get_p 1888431
modpr_get_pr 31237890
mul_content 2654162
mul_denom 10710021
mulsubii 3881881
nbits2extraprec 1456521249
nbits2ndec 228
nbits2nlong 12648050
nbits2prec 186131339
nbrows 157470438
nchar2nlong 127406211
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303562
nf_get_M 21171859
nf_get_Tr 22083
nf_get_degree 71350679
nf_get_diff 4438
nf_get_disc 463871
nf_get_index 3711307
nf_get_invzk 9765417
nf_get_pol 98056532
nf_get_r1 22892406
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627823
nf_get_roundG 1746592
nf_get_sign 519552
nf_get_varn 1503591
nf_get_zk 4382
nf_get_zkden 5462226
nf_get_zkprimpart 5416418
normalize_frac 17204548
odd 2084190481
pari_calloc 47671
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2841
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 15398
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510711273
pari_malloc 746601509
pari_realloc 1890
pari_realloc_ip 2268006
pari_stack_alloc 1019508223
pari_stack_base 1025108695
pari_stack_delete 5619054
pari_stack_init 6083746
pari_stack_new 924811383
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782875
perm_mul 80927797
perm_sqr 728
pol0_F2x 13248102
pol0_Flx 103518313
pol1_F2x 3957762
pol1_Flx 55059262
pol_0 83001712
pol_1 3756406
pol_x 3858248
pol_xn 2249971
pol_xnall 294
polx_F2x 1079064
polx_Flx 37830129
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178459
pr_get_e 15952628
pr_get_f 26041045
pr_get_gen 12062132
pr_get_p 91708800
pr_get_tau 48872139
pr_is_inert 16910297
pr_norm 1088582
prec2lg 4466470968
prec2nbits 103953428
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475505
qfb_disc 18514520
qfb_disc3 4990840
qfb_is_qfi 62940816
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8005982686
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 350
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 2845157
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764006
row_i 987
rowcopy 204988
rowpermute 14709404
rowslice 79335070
rowslicepermute 184786
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27640234
sqrfrac 4148182
sqrti 6665631
sqrtnr 2807597
sqrtr 80364004
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60192806
truecoef 0
trunc_safe 0
ulogint 1709366
upr_norm 346135
uutoQ 1600198
vec_append 3465557
vec_ei 1714622
vec_lengthen 18946
vec_prepend 313990
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036824
veclast 9372662
vecmodii 0
vecmoduu 49784
vecpermute 20530313
vecreverse 697235
vecreverse_inplace 2605
vecslice 655970500
vecslicepermute 2689775
vecsmall_append 4111399
vecsmall_coincidence 0
vecsmall_concat 1464460
vecsmall_copy 4404170
vecsmall_ei 584744
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043207
vecsmall_max 1164578
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74578
vecsmall_to_col 7837749
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78732129
vecsmalltrunc_append 101409570
vecsmalltrunc_init 188243488
vecsplice 384902
vectrunc_append 16161867
vectrunc_append_batch 12306
vectrunc_init 12065762
zc_to_ZC 7823566
zero_F2m 0
zero_F2m_copy 845103
zero_F2v 3648076
zero_F2x 1350
zero_Flm 2830230
zero_Flm_copy 235921
zero_Flv 59497554
zero_Flx 1426896
zero_zm 0
zero_zv 36737971
zero_zx 0
zerocol 122287929
zeromat 109118
zeromatcopy 14240296
zeropadic 855441
zeropadic_shallow 17024
zeropol 42358661
zeroser 138908
zerovec 28455563
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38653757
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7978902
znstar_get_conreygen 3289889
znstar_get_cyc 262088
znstar_get_faN 7330731
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2868790
zv_copy 2184005
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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