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 30365-beea1ff998) Lines: 1421 1532 92.8 %
Date: 2025-07-01 09:21:48 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 8033676
F2m_copy 200491
F2m_flip 1554224
F2m_set 798
F2v_clear 12354727
F2v_coeff 661287866
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101397245
F2v_to_F2x 37859
F2xX_shift 0
F2x_clear 12354723
F2x_coeff 667925271
F2x_copy 60380242
F2x_div 1570148
F2x_equal 4656815
F2x_equal1 2874017
F2x_flip 1554224
F2x_renormalize 115211623
F2x_set 124764482
F2xqX_div 33173
F3m_coeff 3256714
F3m_copy 0
F3m_set 0
Flm_copy 6429847
Flm_row 8742135
Flv_copy 2555374
Flx_constant 330262
Flx_copy 173873693
Flx_div 1999009
Flx_div_pre 21685526
Flx_equal1 8327138
Flx_lead 979878
Flx_mulu 1105157
FlxqX_div 0
FlxqX_div_pre 165416
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693151
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5577211
FpX_renormalize 145344408
Fp_add 172251055
Fp_addmul 11409918
Fp_center 76830277
Fp_center_i 14256540
Fp_div 15035700
Fp_divu 15135505
Fp_double 22348406
Fp_halve 247348
Fp_inv 23438659
Fp_invsafe 1100359
Fp_mul 201087545
Fp_muls 17780
Fp_mulu 70203435
Fp_neg 30885501
Fp_red 82036309
Fp_sqr 64915608
Fp_sub 204095230
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 572060
FqX_Fq_mul 427283
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38544
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 444988
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 367802
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 3106388
Fq_to_FpXQ 73792
GENbinbase 959078349
QV_isscalar 54377143
Q_abs 8062434
Q_abs_shallow 120245
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622076
RgC_gtofp 33997813
RgC_gtomp 574
RgM_dimensions 9742151
RgM_fpnorml2 22781
RgM_gtofp 8248606
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22159067
RgV_gtofp 56
RgV_is_QV 140753
RgV_is_ZV 31718998
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1208177
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2668699
RgX_copy 103516505
RgX_div 7057004
RgX_equal_var 26880781
RgX_fpnorml2 61606
RgX_gtofp 7139657
RgX_is_QX 400116
RgX_is_ZX 21401115
RgX_is_monomial 1396450
RgX_is_rational 68306
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479267
RgX_shift_inplace_init 479267
RgX_to_RgV 140
Rg_col_ei 1451300
Rg_to_Fq 756
ZC_hnfrem 10682078
ZM_ZV_mod 596585
ZM_hnfrem 363830
ZM_lll 7108205
ZV_ZV_mod 8128976
ZV_dvd 23485
ZV_isscalar 22996733
ZV_to_zv 3206066
ZXQ_mul 2162024
ZXQ_sqr 961049
ZX_equal1 12711
ZX_is_monic 7375966
ZX_renormalize 157434929
Z_ispower 98
Z_issquare 458911
abgrp_get_cyc 12225650
abgrp_get_gen 1762893
abgrp_get_no 355158
absfrac 46617346
absfrac_shallow 27845
addmuliu 541145
addmuliu_inplace 59754194
affc_fixlg 249593
affgr 898817
bid_get_MOD 2157256
bid_get_U 3680237
bid_get_arch 41187
bid_get_archp 2397115
bid_get_cyc 5739565
bid_get_fact 2498934
bid_get_fact2 2201579
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804417
bid_get_ideal 72821
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157991
bin_copy 494709348
bit_accuracy 3164660262
bit_accuracy_mul 3175264
bit_prec 142869655
bnf_get_clgp 5368353
bnf_get_cyc 3681658
bnf_get_fu 25852
bnf_get_fu_nocheck 289074
bnf_get_gen 1678178
bnf_get_logfu 2872552
bnf_get_nf 9852618
bnf_get_no 8358
bnf_get_reg 641
bnf_get_sunits 1365638
bnf_get_tuN 282993
bnf_get_tuU 303560
bnr_get_bid 2045866
bnr_get_bnf 3750907
bnr_get_clgp 2829997
bnr_get_cyc 2522324
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368108
bnr_get_no 277495
both_odd 117154213
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973495
cgiv 101995556
checkell_i 4677488
closure_arity 368393381
closure_codestr 319521629
closure_get_code 0
closure_get_data 319469852
closure_get_dbg 13523
closure_get_frame 13192955
closure_get_oper 319496104
closure_get_text 36855
closure_is_variadic 40148728
col_ei 5923639
coltrunc_init 393680
const_col 9729489
const_vec 33511204
const_vecsmall 19488298
constant_coeff 1441271
cxcompotor 18139750
cxnorm 90989228
cxtofp 9045326
cxtoreal 394438
cyc_get_expo 2755547
cyclic_perm 99911
dbllog2r 94075295
degpol 5422615168
div_content 58479
divsBIL 8156037312
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232582
ellR_get_sign 371325
ell_get_a1 7116200
ell_get_a2 5709711
ell_get_a3 6912847
ell_get_a4 6522712
ell_get_a6 7961485
ell_get_b2 5432775
ell_get_b4 2135641
ell_get_b6 3055105
ell_get_b8 2608978
ell_get_c4 8021731
ell_get_c6 8850360
ell_get_disc 11280314
ell_get_j 1295726
ell_get_type 11588395
ell_is_inf 52745893
ellff_get_a4a6 800040
ellff_get_field 2036885
ellinf 1868505
ellnf_get_bnf 126
ellnf_get_nf 2027606
equali1 1306524865
equalim1 139042127
err_get_compo 294
err_get_num 62333
gaddgs 123247367
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 254947484
gc_INT 4084478330
gc_INT_affii 8484400
gc_all 109608397
gc_leaf 1133579387
gc_slice 2204910
gc_upto 1921381331
gchar_copy_precs 1202
gchar_get_DLdata 188468
gchar_get_S 36865
gchar_get_U 0
gchar_get_Ui 10969
gchar_get_basis 32639
gchar_get_bnf 203105
gchar_get_cyc 16168
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50347
gchar_get_m0 3321
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2042
gchar_get_nc 37131
gchar_get_nf 241501
gchar_get_nfprec 13419
gchar_get_nfree 322
gchar_get_nm 1841
gchar_get_ns 36865
gchar_get_ntors 322
gchar_get_prec 18732
gchar_get_r1 17416
gchar_get_r2 623
gchar_get_sfu 1748
gchar_get_u0 4267
gchar_get_zm 279434
gchar_set_HUUi 623
gchar_set_basis 1573
gchar_set_cyc 1573
gchar_set_evalprec 1785
gchar_set_m0 950
gchar_set_nalg 623
gchar_set_nf 2077
gchar_set_nfprec 2950
gchar_set_nfree 623
gchar_set_ntors 623
gchar_set_prec 1202
gchar_set_u0 2093
gcmpgs 790672
gdivsg 529208
gen_I 1269469
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929116
get_F2x_mod 2499209
get_F2x_var 2534236
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83679799
get_Flx_mod 25585293
get_Flx_var 68325051
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 6006358
get_FpX_mod 3394355
get_FpX_var 7238650
gisdouble 2983951
gmax_shallow 13510220
gmaxsg 0
gmin_shallow 876326
gminsg 0
gmulgs 22232502
gmulgu 124184361
gsubgs 1727405
gtodouble 60863827
gtofp 254110519
gtomp 22428
gtos 85815581
gtou 104363
guncloneNULL 48135794
guncloneNULL_deep 1387201
gval 5824
hash_str 2747301
hash_str_len 18310276
icopy_avma 7969640745
idealchineseinit 5427
idealred 138474
identity_ZV 8113
identity_perm 3242275
identity_zv 3266619
inf_get_sign 1453110
inv_content 0
is_bigint 560940460
is_const_t 4921598893
is_extscalar_t 6876
is_intreal_t 9574986
is_matvec_t 664847670
is_noncalc_t 85757187
is_pm1 2193951159
is_qfb_t 0
is_rational_t 5034691
is_real_t 62657704
is_recursive_t 9240021286
is_scalar_t 380935364
is_universal_constant 291149378
is_vec_t 43502401
isint1 17114433
isintm1 5703283
isintzero 2831665606
ismpzero 9574863
isonstack 8204045707
killblock 1901080
leading_coeff 171147034
leafcopy_avma 570868792
lg_increase 312050272
lgcols 349667122
lgpol 2669469801
lincombii 38179482
locs_get_Lgenfil 1260
locs_get_Lsprk 191695
locs_get_cyc 51955
locs_get_famod 1260
locs_get_m_infty 207235
locs_get_mod 8225
logint 752787
matpascal 3885
matslice 16801027
mkcol 10634515
mkcol2 156708054
mkcol2s 4415404
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232484
mkcolcopy 33497
mkcols 40411
mkcomplex 91718513
mkerr 0
mkfrac 41612619
mkfraccopy 4959067
mkfracss 1209444
mkintmod 8092627
mkintmodu 1813
mkmat 4748769
mkmat2 33189654
mkmat22 50178896
mkmat22s 207508
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122231
mkmoo 108814
mkoo 1332037
mkpadic 2009
mkpolmod 3104999
mkqfb 28076752
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 68474509
mkvec2 184560893
mkvec2copy 114564
mkvec2s 220403
mkvec3 119717804
mkvec3s 524441
mkvec4 6767893
mkvec4s 21
mkvec5 14725337
mkveccopy 122507
mkvecs 168
mkvecsmall 130829874
mkvecsmall2 227230825
mkvecsmall3 101470728
mkvecsmall4 16103968
mkvecsmall5 720838
modpr_get_T 13865338
modpr_get_p 1888431
modpr_get_pr 31231327
mul_content 2651957
mul_denom 10706146
mulsubii 3881969
nbits2extraprec 1498415110
nbits2ndec 228
nbits2nlong 12654539
nbits2prec 186943537
nbrows 157481082
nchar2nlong 122333295
ndec2nbits 8270
ndec2nlong 41521
ndec2prec 33251
nfV_to_scalar_or_alg 26292
nf_get_G 303100
nf_get_M 21066951
nf_get_Tr 22078
nf_get_degree 71318510
nf_get_diff 4438
nf_get_disc 463832
nf_get_index 3707954
nf_get_invzk 9758058
nf_get_pol 98009784
nf_get_r1 22789628
nf_get_r2 4140
nf_get_ramified_primes 64812
nf_get_roots 1621322
nf_get_roundG 1743981
nf_get_sign 517284
nf_get_varn 1503595
nf_get_zk 4382
nf_get_zkden 5458439
nf_get_zkprimpart 5412690
normalize_frac 17044711
odd 2080583063
pari_calloc 47573
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2771
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 15384
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 508030804
pari_malloc 738503535
pari_realloc 1890
pari_realloc_ip 2174607
pari_stack_alloc 700337749
pari_stack_base 705689785
pari_stack_delete 5402736
pari_stack_init 5830750
pari_stack_new 607126193
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782666
perm_mul 80923619
perm_sqr 728
pol0_F2x 13244596
pol0_Flx 103209340
pol1_F2x 3958448
pol1_Flx 55031571
pol_0 83307165
pol_1 4470242
pol_x 3824919
pol_xn 2249912
pol_xnall 294
polx_F2x 1078371
polx_Flx 38048412
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43195764
pr_get_e 15947595
pr_get_f 25979829
pr_get_gen 12051964
pr_get_p 91650424
pr_get_tau 48824600
pr_is_inert 16889652
pr_norm 1086560
prec2lg 4512400366
prec2nbits 105881427
prec2nbits_mul 581137
prec2ndec 9778
precdbl 475367
qfb_disc 18515244
qfb_disc3 4987331
qfb_is_qfi 63018599
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8065544816
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 763981
row_i 987
rowcopy 204988
rowpermute 14704255
rowslice 79320881
rowslicepermute 184858
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27636268
sqrfrac 4144609
sqrti 6706712
sqrtnr 2800169
sqrtr 80233930
sstoQ 1097131
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60240792
truecoef 0
trunc_safe 0
ulogint 1731596
upr_norm 343929
uutoQ 159002008
vec_append 3461227
vec_ei 1714567
vec_lengthen 18969
vec_prepend 314099
vec_setconst 0
vec_shorten 11550
vec_to_vecsmall 4031466
veclast 7093206
vecmodii 0
vecmoduu 49784
vecpermute 20519344
vecreverse 697060
vecreverse_inplace 2570
vecslice 656077740
vecslicepermute 2689569
vecsmall_append 4107947
vecsmall_coincidence 0
vecsmall_concat 1464339
vecsmall_copy 4399303
vecsmall_ei 584742
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 526
vecsmall_lexcmp 7209150
vecsmall_max 1075708
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74672
vecsmall_to_col 7834571
vecsmall_to_vec 511536
vecsmall_to_vec_inplace 3304
vecsmallpermute 78727967
vecsmalltrunc_append 101468001
vecsmalltrunc_init 189030941
vecsplice 384888
vectrunc_append 15527136
vectrunc_append_batch 12278
vectrunc_init 11956370
zc_to_ZC 7820390
zero_F2m 0
zero_F2m_copy 845105
zero_F2v 3647472
zero_F2x 1350
zero_Flm 2829873
zero_Flm_copy 236100
zero_Flv 59552216
zero_Flx 1426858
zero_zm 0
zero_zv 36793973
zero_zx 0
zerocol 122237208
zeromat 109088
zeromatcopy 14233952
zeropadic 854989
zeropadic_shallow 17023
zeropol 42325737
zeroser 138810
zerovec 26922949
zerovec_block 28933
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38653372
znstar_get_U 176051
znstar_get_Ui 46788
znstar_get_conreycyc 7978755
znstar_get_conreygen 3289875
znstar_get_cyc 261990
znstar_get_faN 7330493
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2868776
zv_copy 2184112
zv_to_ZV 502975
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16