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 30538-858d92d87d) Lines: 1419 1532 92.6 %
Date: 2025-11-07 09:22:46 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 8039188
F2m_copy 200496
F2m_flip 1554224
F2m_set 798
F2v_clear 12355428
F2v_coeff 661329171
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101404214
F2v_to_F2x 37867
F2xX_shift 0
F2x_clear 12355432
F2x_coeff 667873339
F2x_copy 60406570
F2x_div 1570184
F2x_equal 4657477
F2x_equal1 2873875
F2x_flip 1554224
F2x_renormalize 115196417
F2x_set 124732752
F2xqX_div 33173
F3m_coeff 3256661
F3m_copy 0
F3m_set 0
Flm_copy 6433563
Flm_row 8742517
Flv_copy 2555262
Flx_constant 333152
Flx_copy 173792916
Flx_div 1999020
Flx_div_pre 21702692
Flx_equal1 8327104
Flx_lead 980011
Flx_mulu 1105231
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693643
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581042
FpX_renormalize 144586639
Fp_add 181684930
Fp_addmul 11397540
Fp_center 77233042
Fp_center_i 18060435
Fp_div 15035328
Fp_divu 15135083
Fp_double 22371323
Fp_halve 247348
Fp_inv 23437617
Fp_invsafe 1100356
Fp_mul 201143336
Fp_muls 17780
Fp_mulu 69265363
Fp_neg 30135155
Fp_red 82090108
Fp_sqr 64797180
Fp_sub 203633075
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 572132
FqX_Fq_mul 427292
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38547
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445048
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 367815
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 3106366
Fq_to_FpXQ 73792
GENbinbase 963040031
QV_isscalar 54401056
Q_abs 8062686
Q_abs_shallow 120238
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622066
RgC_gtofp 34010382
RgC_gtomp 574
RgM_dimensions 9742060
RgM_fpnorml2 22781
RgM_gtofp 8252068
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169550
RgV_gtofp 56
RgV_is_QV 140754
RgV_is_ZV 32164051
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1210307
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669371
RgX_copy 103404932
RgX_div 7000740
RgX_equal_var 26880630
RgX_fpnorml2 61607
RgX_gtofp 7147689
RgX_is_QX 400131
RgX_is_ZX 22421821
RgX_is_monomial 1331325
RgX_is_rational 68304
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451276
Rg_to_Fq 756
ZC_hnfrem 10690817
ZM_ZV_mod 596623
ZM_hnfrem 363848
ZM_lll 7112241
ZV_ZV_mod 8131314
ZV_dvd 23485
ZV_isscalar 23098090
ZV_to_zv 3211413
ZXQ_mul 2162049
ZXQ_sqr 961077
ZX_equal1 12711
ZX_is_monic 7375953
ZX_renormalize 155022456
Z_ispower 98
Z_issquare 458926
abgrp_get_cyc 12230226
abgrp_get_gen 1765028
abgrp_get_no 355186
absfrac 46637885
absfrac_shallow 28237
addmuliu 541056
addmuliu_inplace 59697398
affc_fixlg 249594
affgr 898817
bid_get_MOD 2157254
bid_get_U 3680227
bid_get_arch 41187
bid_get_archp 2397107
bid_get_cyc 5739577
bid_get_fact 2498945
bid_get_fact2 2201577
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804427
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157975
bin_copy 496669318
bit_accuracy 3160093346
bit_accuracy_mul 3175448
bit_prec 142661949
bnf_get_clgp 5374928
bnf_get_cyc 3686071
bnf_get_fu 25859
bnf_get_fu_nocheck 289082
bnf_get_gen 1680314
bnf_get_logfu 2874726
bnf_get_nf 9863731
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367782
bnf_get_tuN 282997
bnf_get_tuU 303572
bnr_get_bid 2045869
bnr_get_bnf 3750910
bnr_get_clgp 2830013
bnr_get_cyc 2522339
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368114
bnr_get_no 277493
both_odd 123970525
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975431
cgiv 102105436
checkell_i 4987871
closure_arity 371415086
closure_codestr 321532825
closure_get_code 0
closure_get_data 321497203
closure_get_dbg 13627
closure_get_frame 14168571
closure_get_oper 321515819
closure_get_text 37063
closure_is_variadic 40167205
col_ei 5925777
coltrunc_init 740250
const_col 9729876
const_vec 34476869
const_vecsmall 19703126
constant_coeff 1441504
cxcompotor 18216395
cxnorm 90939891
cxtofp 9083253
cxtoreal 337178
cyc_get_expo 2757726
cyclic_perm 99911
dbllog2r 92796332
degpol 5519301987
div_content 58477
divsBIL 8083635912
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371529
ell_get_a1 8992635
ell_get_a2 7104880
ell_get_a3 8810857
ell_get_a4 8536045
ell_get_a6 10370913
ell_get_b2 7369757
ell_get_b4 2550210
ell_get_b6 3863109
ell_get_b8 3297408
ell_get_c4 10341294
ell_get_c6 12725619
ell_get_disc 16137814
ell_get_j 2126221
ell_get_type 10686936
ell_is_inf 52500956
ellff_get_a4a6 800025
ellff_get_field 2036850
ellinf 1869830
ellnf_get_bnf 126
ellnf_get_nf 2027604
equali1 1175135970
equalim1 139504226
err_get_compo 294
err_get_num 62541
gaddgs 123245792
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80393
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 255564435
gc_INT 4103560396
gc_INT_affii 8486384
gc_all 109992136
gc_leaf 1132692602
gc_slice 2204956
gc_upto 1944217437
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 761927
gdivsg 531143
gen_I 1269842
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1928977
get_F2x_mod 2499110
get_F2x_var 2534100
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83631462
get_Flx_mod 25599116
get_Flx_var 68354796
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 6424529
get_FpX_mod 3394333
get_FpX_var 6958024
gisdouble 2987526
gmax_shallow 13510219
gmaxsg 0
gmin_shallow 878298
gminsg 0
gmulgs 22493610
gmulgu 282058132
gsubgs 1724192
gtodouble 60764112
gtofp 254214474
gtomp 22428
gtos 85853473
gtou 98315
guncloneNULL 48225583
guncloneNULL_deep 1442903
gval 5824
hash_str 2756815
hash_str_len 31549539
icopy_avma 8031303385
idealchineseinit 5427
idealred 138521
identity_ZV 8113
identity_perm 3242517
identity_zv 3266867
inf_get_sign 1453154
inv_content 0
is_bigint 557716510
is_const_t 4888303082
is_extscalar_t 6876
is_intreal_t 9583688
is_matvec_t 659476332
is_noncalc_t 85858372
is_pm1 2203376725
is_qfb_t 0
is_rational_t 5035076
is_real_t 62063092
is_recursive_t 9231787104
is_scalar_t 375643259
is_universal_constant 325805827
is_vec_t 43942371
isint1 17571646
isintm1 5704321
isintzero 2837789801
ismpzero 9583583
isonstack 8250355464
killblock 1928822
leading_coeff 170558473
leafcopy_avma 577334956
lg_increase 314325362
lgcols 350238521
lgpol 2691817156
lincombii 38187169
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 755039
matpascal 3885
matslice 16817566
mkcol 10640955
mkcol2 154899233
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33502
mkcols 40411
mkcomplex 91644345
mkerr 0
mkfrac 41638125
mkfraccopy 4999047
mkfracss 1209563
mkintmod 8092555
mkintmodu 1813
mkmat 4750697
mkmat2 33658416
mkmat22 49673607
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122227
mkmoo 108849
mkoo 1332045
mkpadic 2009
mkpolmod 3105021
mkqfb 27919525
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71154001
mkvec2 184502348
mkvec2copy 114572
mkvec2s 220418
mkvec3 121665241
mkvec3s 524441
mkvec4 10103361
mkvec4s 21
mkvec5 15184827
mkveccopy 122521
mkvecs 168
mkvecsmall 131661536
mkvecsmall2 233611719
mkvecsmall3 104035553
mkvecsmall4 17824361
mkvecsmall5 1731077
modpr_get_T 13867554
modpr_get_p 1888432
modpr_get_pr 31237900
mul_content 2653956
mul_denom 10709959
mulsubii 3880388
nbits2extraprec 1455580356
nbits2ndec 228
nbits2nlong 12645963
nbits2prec 186081318
nbrows 157465860
nchar2nlong 127403172
ndec2nbits 8270
ndec2nlong 41507
ndec2prec 33237
nfV_to_scalar_or_alg 26300
nf_get_G 303517
nf_get_M 21171800
nf_get_Tr 22083
nf_get_degree 71349771
nf_get_diff 4438
nf_get_disc 463864
nf_get_index 3711285
nf_get_invzk 9765382
nf_get_pol 98055590
nf_get_r1 22892389
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627774
nf_get_roundG 1746541
nf_get_sign 519552
nf_get_varn 1503576
nf_get_zk 4382
nf_get_zkden 5462187
nf_get_zkprimpart 5416280
normalize_frac 17204460
odd 2085442183
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 510076728
pari_malloc 745968030
pari_realloc 1890
pari_realloc_ip 2267294
pari_stack_alloc 1019785942
pari_stack_base 1025384450
pari_stack_delete 5616362
pari_stack_init 6081640
pari_stack_new 925116311
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782829
perm_mul 80929736
perm_sqr 728
pol0_F2x 13239048
pol0_Flx 103499080
pol1_F2x 3957138
pol1_Flx 55054137
pol_0 82998317
pol_1 3756352
pol_x 3856862
pol_xn 2249950
pol_xnall 294
polx_F2x 1078463
polx_Flx 37824212
polx_zx 0
polxn_Flx 371
powIs 1555
powii 43178253
pr_get_e 15952206
pr_get_f 26040300
pr_get_gen 12061854
pr_get_p 91707547
pr_get_tau 48871038
pr_is_inert 16909795
pr_norm 1088481
prec2lg 4455039647
prec2nbits 103879374
prec2nbits_mul 581137
prec2ndec 9778
precdbl 475520
qfb_disc 18514499
qfb_disc3 4990688
qfb_is_qfi 62937068
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7992625322
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 764004
row_i 987
rowcopy 204988
rowpermute 14709057
rowslice 79345733
rowslicepermute 184550
rowsplice 273
ser_isexactzero 10078561
shallowcopy 27639223
sqrfrac 4147801
sqrti 6665485
sqrtnr 2807502
sqrtr 80352052
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60193542
truecoef 0
trunc_safe 0
ulogint 1724513
upr_norm 346133
uutoQ 1600142
vec_append 3465593
vec_ei 1714556
vec_lengthen 18946
vec_prepend 314002
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036854
veclast 9367583
vecmodii 0
vecmoduu 49784
vecpermute 20528818
vecreverse 697235
vecreverse_inplace 2605
vecslice 656054393
vecslicepermute 2689252
vecsmall_append 4111387
vecsmall_coincidence 0
vecsmall_concat 1464434
vecsmall_copy 4404169
vecsmall_ei 584740
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164652
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74574
vecsmall_to_col 7837521
vecsmall_to_vec 511585
vecsmall_to_vec_inplace 3304
vecsmallpermute 78734262
vecsmalltrunc_append 101435629
vecsmalltrunc_init 189681156
vecsplice 384906
vectrunc_append 16162474
vectrunc_append_batch 12306
vectrunc_init 12065645
zc_to_ZC 7823339
zero_F2m 0
zero_F2m_copy 845098
zero_F2v 3648046
zero_F2x 1350
zero_Flm 2830158
zero_Flm_copy 235910
zero_Flv 59493813
zero_Flx 1426860
zero_zm 0
zero_zv 36735661
zero_zx 0
zerocol 122282651
zeromat 109102
zeromatcopy 14239714
zeropadic 855817
zeropadic_shallow 17024
zeropol 42358569
zeroser 138788
zerovec 28455363
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 2184001
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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