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 30543-4febeb1110) Lines: 1419 1532 92.6 %
Date: 2025-11-11 09:22:28 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 8039522
F2m_copy 200496
F2m_flip 1554381
F2m_set 798
F2v_clear 12355783
F2v_coeff 661331520
F2v_copy 4487
F2v_ei 42
F2v_flip 1554381
F2v_set 101404595
F2v_to_F2x 37853
F2xX_shift 0
F2x_clear 12355791
F2x_coeff 667949712
F2x_copy 60436486
F2x_div 1571626
F2x_equal 4661550
F2x_equal1 2873973
F2x_flip 1554381
F2x_renormalize 115254989
F2x_set 124778954
F2xqX_div 33173
F3m_coeff 3256664
F3m_copy 0
F3m_set 0
Flm_copy 6433515
Flm_row 8742468
Flv_copy 2555325
Flx_constant 333154
Flx_copy 173798362
Flx_div 1998990
Flx_div_pre 21704564
Flx_equal1 8327121
Flx_lead 980327
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 5581050
FpX_renormalize 144592482
Fp_add 181770415
Fp_addmul 11415053
Fp_center 77254018
Fp_center_i 18053699
Fp_div 15035712
Fp_divu 15135510
Fp_double 22417080
Fp_halve 247348
Fp_inv 23437703
Fp_invsafe 1100351
Fp_mul 201167517
Fp_muls 17780
Fp_mulu 69031931
Fp_neg 31490102
Fp_red 82090278
Fp_sqr 64933431
Fp_sub 203726622
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 572122
FqX_Fq_mul 427296
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38543
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445046
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 3106378
Fq_to_FpXQ 73792
GENbinbase 964306040
QV_isscalar 54401415
Q_abs 8062572
Q_abs_shallow 120253
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622069
RgC_gtofp 34010775
RgC_gtomp 574
RgM_dimensions 9741910
RgM_fpnorml2 22781
RgM_gtofp 8252264
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169467
RgV_gtofp 56
RgV_is_QV 140758
RgV_is_ZV 32164053
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210305
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103405360
RgX_div 7000740
RgX_equal_var 26880637
RgX_fpnorml2 61606
RgX_gtofp 7147568
RgX_is_QX 400133
RgX_is_ZX 22421934
RgX_is_monomial 1331718
RgX_is_rational 68304
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451300
Rg_to_Fq 756
ZC_hnfrem 10690776
ZM_ZV_mod 596596
ZM_hnfrem 363866
ZM_lll 7112387
ZV_ZV_mod 8131279
ZV_dvd 23485
ZV_isscalar 23098000
ZV_to_zv 3211415
ZXQ_mul 2162058
ZXQ_sqr 961083
ZX_equal1 12711
ZX_is_monic 7376017
ZX_renormalize 155020850
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12230226
abgrp_get_gen 1765035
abgrp_get_no 355188
absfrac 46641953
absfrac_shallow 28237
addmuliu 541128
addmuliu_inplace 59696336
affc_fixlg 249615
affgr 898866
bid_get_MOD 2157261
bid_get_U 3680239
bid_get_arch 41188
bid_get_archp 2397103
bid_get_cyc 5739573
bid_get_fact 2498936
bid_get_fact2 2201583
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804419
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157981
bin_copy 497305823
bit_accuracy 3163034396
bit_accuracy_mul 3175472
bit_prec 142668826
bnf_get_clgp 5374934
bnf_get_cyc 3686069
bnf_get_fu 25859
bnf_get_fu_nocheck 289077
bnf_get_gen 1680321
bnf_get_logfu 2874724
bnf_get_nf 9863732
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367782
bnf_get_tuN 283007
bnf_get_tuU 303579
bnr_get_bid 2045870
bnr_get_bnf 3750913
bnr_get_clgp 2830018
bnr_get_cyc 2522344
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368117
bnr_get_no 277495
both_odd 123996337
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975453
cgiv 102122641
checkell_i 5593326
closure_arity 371253113
closure_codestr 321371481
closure_get_code 0
closure_get_data 321338296
closure_get_dbg 13621
closure_get_frame 14169287
closure_get_oper 321355975
closure_get_text 37051
closure_is_variadic 40168057
col_ei 5925785
coltrunc_init 740250
const_col 9729878
const_vec 34481754
const_vecsmall 19705916
constant_coeff 1441527
cxcompotor 18218421
cxnorm 90943005
cxtofp 9083361
cxtoreal 337200
cyc_get_expo 2757786
cyclic_perm 99911
dbllog2r 92827505
degpol 5509395608
div_content 58475
divsBIL 8097124230
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997067
ell_get_a2 7106160
ell_get_a3 8814035
ell_get_a4 8536701
ell_get_a6 10370939
ell_get_b2 7371037
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018083
ell_get_c6 13474450
ell_get_disc 16815310
ell_get_j 2126227
ell_get_type 12499452
ell_is_inf 52473151
ellff_get_a4a6 800041
ellff_get_field 2036882
ellinf 1869783
ellnf_get_bnf 126
ellnf_get_nf 2027606
equali1 1175175617
equalim1 139504641
err_get_compo 294
err_get_num 62530
gaddgs 123247548
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80395
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 256202499
gc_INT 4105329240
gc_INT_affii 8490076
gc_all 109992207
gc_leaf 1134592298
gc_slice 2204875
gc_upto 1949158643
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 761919
gdivsg 531592
gen_I 1269845
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929102
get_F2x_mod 2499184
get_F2x_var 2534246
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82824522
get_Flx_mod 25601091
get_Flx_var 68360869
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 6424573
get_FpX_mod 3394334
get_FpX_var 6957889
gisdouble 2987644
gmax_shallow 13510219
gmaxsg 0
gmin_shallow 878305
gminsg 0
gmulgs 22503554
gmulgu 282059385
gsubgs 1724798
gtodouble 60798077
gtofp 254237408
gtomp 22428
gtos 85854581
gtou 98314
guncloneNULL 48224433
guncloneNULL_deep 1439544
gval 6230
hash_str 2756815
hash_str_len 31549635
icopy_avma 8036118004
idealchineseinit 5427
idealred 138524
identity_ZV 8113
identity_perm 3242545
identity_zv 3266894
inf_get_sign 1453151
inv_content 0
is_bigint 562600958
is_const_t 4888793319
is_extscalar_t 6876
is_intreal_t 9583711
is_matvec_t 659304524
is_noncalc_t 85862173
is_pm1 2203056281
is_qfb_t 0
is_rational_t 5035228
is_real_t 62063858
is_recursive_t 9238415769
is_scalar_t 375665447
is_universal_constant 325794468
is_vec_t 43942156
isint1 17585258
isintm1 5711135
isintzero 2838105857
ismpzero 9583589
isonstack 8258752755
killblock 1929199
leading_coeff 170557389
leafcopy_avma 576745228
lg_increase 317974507
lgcols 350237125
lgpol 2687672627
lincombii 38185820
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 755036
matpascal 3983
matslice 16817271
mkcol 10640951
mkcol2 156857569
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33506
mkcols 40411
mkcomplex 91629447
mkerr 0
mkfrac 41640969
mkfraccopy 4999054
mkfracss 1209563
mkintmod 8092658
mkintmodu 1813
mkmat 4750736
mkmat2 33659506
mkmat22 50275098
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122238
mkmoo 108850
mkoo 1332046
mkpadic 2009
mkpolmod 3105021
mkqfb 27919921
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71141814
mkvec2 185496621
mkvec2copy 114571
mkvec2s 220417
mkvec3 119548549
mkvec3s 524441
mkvec4 10106132
mkvec4s 21
mkvec5 15185024
mkveccopy 122521
mkvecs 168
mkvecsmall 131690140
mkvecsmall2 233627275
mkvecsmall3 104041576
mkvecsmall4 17835235
mkvecsmall5 1731104
modpr_get_T 13867580
modpr_get_p 1888432
modpr_get_pr 31237942
mul_content 2654106
mul_denom 10709920
mulsubii 3880836
nbits2extraprec 1456390440
nbits2ndec 228
nbits2nlong 12649639
nbits2prec 186129731
nbrows 157467745
nchar2nlong 127403703
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303569
nf_get_M 21171833
nf_get_Tr 22082
nf_get_degree 71350688
nf_get_diff 4438
nf_get_disc 463863
nf_get_index 3711281
nf_get_invzk 9765410
nf_get_pol 98056575
nf_get_r1 22892387
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627824
nf_get_roundG 1746596
nf_get_sign 519552
nf_get_varn 1503582
nf_get_zk 4382
nf_get_zkden 5462143
nf_get_zkprimpart 5416346
normalize_frac 17204653
odd 2084911102
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 510710869
pari_malloc 746599013
pari_realloc 1890
pari_realloc_ip 2267916
pari_stack_alloc 1019548582
pari_stack_base 1025132506
pari_stack_delete 5613679
pari_stack_init 6083449
pari_stack_new 924858268
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782815
perm_mul 80927861
perm_sqr 728
pol0_F2x 13248930
pol0_Flx 103517102
pol1_F2x 3958235
pol1_Flx 55059906
pol_0 83001708
pol_1 3756412
pol_x 3858279
pol_xn 2249950
pol_xnall 294
polx_F2x 1079087
polx_Flx 37827585
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178358
pr_get_e 15952836
pr_get_f 26040898
pr_get_gen 12062079
pr_get_p 91708757
pr_get_tau 48871764
pr_is_inert 16910204
pr_norm 1088508
prec2lg 4466430629
prec2nbits 103952526
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475510
qfb_disc 18514494
qfb_disc3 4990905
qfb_is_qfi 62950949
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006178604
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 764011
row_i 987
rowcopy 204988
rowpermute 14709434
rowslice 79338106
rowslicepermute 184890
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27639993
sqrfrac 4148194
sqrti 6665655
sqrtnr 2807556
sqrtr 80364636
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60190906
truecoef 0
trunc_safe 0
ulogint 1723224
upr_norm 346134
uutoQ 1600198
vec_append 3465566
vec_ei 1714635
vec_lengthen 18946
vec_prepend 313991
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036824
veclast 9372663
vecmodii 0
vecmoduu 49784
vecpermute 20531612
vecreverse 697235
vecreverse_inplace 2605
vecslice 655972318
vecslicepermute 2690251
vecsmall_append 4111381
vecsmall_coincidence 0
vecsmall_concat 1464442
vecsmall_copy 4404216
vecsmall_ei 584726
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164656
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74574
vecsmall_to_col 7837998
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78732243
vecsmalltrunc_append 101492932
vecsmalltrunc_init 191083587
vecsplice 384888
vectrunc_append 16161769
vectrunc_append_batch 12306
vectrunc_init 12066144
zc_to_ZC 7823817
zero_F2m 0
zero_F2m_copy 845112
zero_F2v 3648070
zero_F2x 1350
zero_Flm 2830205
zero_Flm_copy 235909
zero_Flv 59499049
zero_Flx 1426946
zero_zm 0
zero_zv 36738805
zero_zx 0
zerocol 122285359
zeromat 109129
zeromatcopy 14240236
zeropadic 855444
zeropadic_shallow 17024
zeropol 42358644
zeroser 138908
zerovec 28455592
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 2184065
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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