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 30558-88b7dc3357) Lines: 1419 1532 92.6 %
Date: 2025-11-26 09:22:00 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 8039339
F2m_copy 200505
F2m_flip 1554251
F2m_set 798
F2v_clear 12355701
F2v_coeff 661330404
F2v_copy 4487
F2v_ei 42
F2v_flip 1554251
F2v_set 101404514
F2v_to_F2x 37840
F2xX_shift 0
F2x_clear 12355692
F2x_coeff 667849878
F2x_copy 60369610
F2x_div 1570016
F2x_equal 4654798
F2x_equal1 2873787
F2x_flip 1554251
F2x_renormalize 115215259
F2x_set 124744432
F2xqX_div 33173
F3m_coeff 3256661
F3m_copy 0
F3m_set 0
Flm_copy 6433632
Flm_row 8742370
Flv_copy 2555129
Flx_constant 334016
Flx_copy 173778800
Flx_div 1998991
Flx_div_pre 21701501
Flx_equal1 8330928
Flx_lead 979468
Flx_mulu 1105499
FlxqX_div 0
FlxqX_div_pre 165414
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693020
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581187
FpX_renormalize 144577703
Fp_add 181507943
Fp_addmul 11370847
Fp_center 77251618
Fp_center_i 18060248
Fp_div 15035350
Fp_divu 15129783
Fp_double 22309878
Fp_halve 247348
Fp_inv 23439898
Fp_invsafe 1100542
Fp_mul 201069845
Fp_muls 17780
Fp_mulu 67709459
Fp_neg 31477653
Fp_red 82081102
Fp_sqr 64473661
Fp_sub 203510564
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 572118
FqX_Fq_mul 427289
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38569
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445046
FqX_factor 141072
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 367817
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 3106410
Fq_to_FpXQ 73792
GENbinbase 964371442
QV_isscalar 54402563
Q_abs 8064010
Q_abs_shallow 120243
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622073
RgC_gtofp 34013193
RgC_gtomp 574
RgM_dimensions 9742078
RgM_fpnorml2 22788
RgM_gtofp 8252651
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22170595
RgV_gtofp 56
RgV_is_QV 140762
RgV_is_ZV 32166721
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210301
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409029
RgX_div 7000740
RgX_equal_var 26883185
RgX_fpnorml2 61607
RgX_gtofp 7147586
RgX_is_QX 400147
RgX_is_ZX 22422417
RgX_is_monomial 1331787
RgX_is_rational 68313
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451298
Rg_to_Fq 756
ZC_hnfrem 10690776
ZM_ZV_mod 596580
ZM_hnfrem 363832
ZM_lll 7112529
ZV_ZV_mod 8131246
ZV_dvd 23485
ZV_isscalar 23097906
ZV_to_zv 3211415
ZXQ_mul 2162082
ZXQ_sqr 961096
ZX_equal1 12893
ZX_is_monic 7376004
ZX_renormalize 155019896
Z_ispower 98
Z_issquare 458918
abgrp_get_cyc 12230154
abgrp_get_gen 1765025
abgrp_get_no 355178
absfrac 46643585
absfrac_shallow 28237
addmuliu 535737
addmuliu_inplace 59700508
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157246
bid_get_U 3680226
bid_get_arch 41188
bid_get_archp 2397057
bid_get_cyc 5739520
bid_get_fact 2498905
bid_get_fact2 2201570
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804378
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157983
bin_copy 497336927
bit_accuracy 3162675951
bit_accuracy_mul 3175472
bit_prec 142671196
bnf_get_clgp 5374923
bnf_get_cyc 3686066
bnf_get_fu 25859
bnf_get_fu_nocheck 289067
bnf_get_gen 1680313
bnf_get_logfu 2874692
bnf_get_nf 9863698
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367780
bnf_get_tuN 283001
bnf_get_tuU 303578
bnr_get_bid 2045860
bnr_get_bnf 3750894
bnr_get_clgp 2829999
bnr_get_cyc 2522325
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368110
bnr_get_no 277490
both_odd 124216190
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102125569
checkell_i 5593304
closure_arity 371303544
closure_codestr 321433776
closure_get_code 0
closure_get_data 321385557
closure_get_dbg 13621
closure_get_frame 14170041
closure_get_oper 321411687
closure_get_text 37051
closure_is_variadic 44820861
col_ei 5925968
coltrunc_init 740250
const_col 9729871
const_vec 34478990
const_vecsmall 19707189
constant_coeff 1441398
cxcompotor 18220371
cxnorm 90945201
cxtofp 9084293
cxtoreal 337207
cyc_get_expo 2757759
cyclic_perm 99911
dbllog2r 92826770
degpol 5503623754
div_content 58476
divsBIL 8095124699
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997075
ell_get_a2 7106177
ell_get_a3 8814043
ell_get_a4 8536718
ell_get_a6 10370956
ell_get_b2 7371028
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017947
ell_get_c6 13474411
ell_get_disc 16814834
ell_get_j 2126227
ell_get_type 12499257
ell_is_inf 52477988
ellff_get_a4a6 800021
ellff_get_field 2036840
ellinf 1869273
ellnf_get_bnf 126
ellnf_get_nf 2027624
equali1 1175201334
equalim1 139505659
err_get_compo 294
err_get_num 62522
gaddgs 123248630
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 256222522
gc_INT 4104528981
gc_INT_affii 8491273
gc_all 110006756
gc_leaf 1133161498
gc_slice 2204862
gc_upto 1949166065
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 761930
gdivsg 531589
gen_I 1269839
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1928938
get_F2x_mod 2499058
get_F2x_var 2534058
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82262025
get_Flx_mod 25600773
get_Flx_var 68386940
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 6424749
get_FpX_mod 3394530
get_FpX_var 6957827
gisdouble 2987653
gmax_shallow 13510219
gmaxsg 0
gmin_shallow 878309
gminsg 0
gmulgs 22506409
gmulgu 282059385
gsubgs 1724810
gtodouble 60795780
gtofp 254252873
gtomp 22428
gtos 85854587
gtou 98319
guncloneNULL 48225511
guncloneNULL_deep 1441820
gval 6230
hash_str 2756815
hash_str_len 31550257
icopy_avma 8035659835
idealchineseinit 5427
idealred 138522
identity_ZV 8113
identity_perm 3242682
identity_zv 3267032
inf_get_sign 1453136
inv_content 0
is_bigint 562613998
is_const_t 4889657447
is_extscalar_t 6876
is_intreal_t 9583660
is_matvec_t 659359128
is_noncalc_t 85865230
is_pm1 2202648782
is_qfb_t 0
is_rational_t 5035360
is_real_t 62063859
is_recursive_t 9238456521
is_scalar_t 375669474
is_universal_constant 325851082
is_vec_t 43970253
isint1 17586544
isintm1 5711086
isintzero 2838735669
ismpzero 9583557
isonstack 8256453226
killblock 1929154
leading_coeff 170552946
leafcopy_avma 576719541
lg_increase 314434037
lgcols 350254402
lgpol 2684325892
lincombii 38200869
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 754893
matpascal 3983
matslice 16818187
mkcol 10640979
mkcol2 156869307
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33501
mkcols 40411
mkcomplex 91627810
mkerr 0
mkfrac 41642485
mkfraccopy 4999317
mkfracss 1209563
mkintmod 8092545
mkintmodu 1813
mkmat 4750844
mkmat2 33658112
mkmat22 50278162
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122231
mkmoo 108847
mkoo 1332031
mkpadic 2009
mkpolmod 3105126
mkqfb 27919733
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71162306
mkvec2 184673416
mkvec2copy 114571
mkvec2s 220417
mkvec3 117739519
mkvec3s 524441
mkvec4 10106174
mkvec4s 21
mkvec5 15185255
mkveccopy 122521
mkvecs 168
mkvecsmall 131660241
mkvecsmall2 233638969
mkvecsmall3 104041387
mkvecsmall4 17833999
mkvecsmall5 1731096
modpr_get_T 13867677
modpr_get_p 1888432
modpr_get_pr 31238309
mul_content 2653922
mul_denom 10710483
mulsubii 3881460
nbits2extraprec 1456730016
nbits2ndec 228
nbits2nlong 12674552
nbits2prec 186141054
nbrows 157480219
nchar2nlong 127410166
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303530
nf_get_M 21171738
nf_get_Tr 22082
nf_get_degree 71352213
nf_get_diff 4438
nf_get_disc 463871
nf_get_index 3711359
nf_get_invzk 9765904
nf_get_pol 98059719
nf_get_r1 22892300
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627777
nf_get_roundG 1746572
nf_get_sign 519550
nf_get_varn 1503726
nf_get_zk 4382
nf_get_zkden 5462496
nf_get_zkprimpart 5416654
normalize_frac 17205547
odd 2084956383
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 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 15391
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510744343
pari_malloc 746638310
pari_realloc 1890
pari_realloc_ip 2267614
pari_stack_alloc 1019575155
pari_stack_base 1025185989
pari_stack_delete 5622845
pari_stack_init 6084380
pari_stack_new 924895084
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782930
perm_mul 80928921
perm_sqr 728
pol0_F2x 13233169
pol0_Flx 103488772
pol1_F2x 3956708
pol1_Flx 55070553
pol_0 83002164
pol_1 3756420
pol_x 3858282
pol_xn 2249958
pol_xnall 294
polx_F2x 1078586
polx_Flx 37829858
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178317
pr_get_e 15953085
pr_get_f 26041890
pr_get_gen 12062787
pr_get_p 91709449
pr_get_tau 48872283
pr_is_inert 16910231
pr_norm 1088510
prec2lg 4467326842
prec2nbits 103962485
prec2nbits_mul 581167
prec2ndec 9778
precdbl 475504
qfb_disc 18514465
qfb_disc3 4990819
qfb_is_qfi 62946542
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8005272981
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 764005
row_i 987
rowcopy 204988
rowpermute 14709865
rowslice 79338996
rowslicepermute 184790
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27639920
sqrfrac 4148181
sqrti 6665962
sqrtnr 2808698
sqrtr 80366061
sstoQ 1097215
sturm 385
submulii 32847732
submuliu 7742
submuliu_inplace 60196474
truecoef 0
trunc_safe 0
ulogint 1728501
upr_norm 346136
uutoQ 1600198
vec_append 3465560
vec_ei 1714591
vec_lengthen 18946
vec_prepend 313995
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036815
veclast 9372646
vecmodii 0
vecmoduu 49784
vecpermute 20531638
vecreverse 697235
vecreverse_inplace 2605
vecslice 656030318
vecslicepermute 2690240
vecsmall_append 4111371
vecsmall_coincidence 0
vecsmall_concat 1464424
vecsmall_copy 4404195
vecsmall_ei 584712
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164710
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74577
vecsmall_to_col 7837951
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78733278
vecsmalltrunc_append 101462791
vecsmalltrunc_init 189392226
vecsplice 384902
vectrunc_append 16162769
vectrunc_append_batch 12306
vectrunc_init 12065993
zc_to_ZC 7823766
zero_F2m 0
zero_F2m_copy 845126
zero_F2v 3648133
zero_F2x 1350
zero_Flm 2830260
zero_Flm_copy 235918
zero_Flv 59494218
zero_Flx 1426686
zero_zm 0
zero_zv 36736241
zero_zx 0
zerocol 122289432
zeromat 109071
zeromatcopy 14240544
zeropadic 855511
zeropadic_shallow 17024
zeropol 42358724
zeroser 138908
zerovec 28455482
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 2183873
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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