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 30401-87099e65a6) Lines: 1420 1532 92.7 %
Date: 2025-07-18 09:23:12 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 8033835
F2m_copy 200492
F2m_flip 1554335
F2m_set 798
F2v_clear 12354887
F2v_coeff 661307911
F2v_copy 4487
F2v_ei 42
F2v_flip 1554335
F2v_set 101397537
F2v_to_F2x 37854
F2xX_shift 0
F2x_clear 12354888
F2x_coeff 667889904
F2x_copy 60404535
F2x_div 1571526
F2x_equal 4663742
F2x_equal1 2874031
F2x_flip 1554335
F2x_renormalize 115250895
F2x_set 124747990
F2xqX_div 33173
F3m_coeff 3256657
F3m_copy 0
F3m_set 0
Flm_copy 6429830
Flm_row 8742490
Flv_copy 2555400
Flx_constant 330258
Flx_copy 173723320
Flx_div 1998946
Flx_div_pre 21692378
Flx_equal1 8327269
Flx_lead 979984
Flx_mulu 1105162
FlxqX_div 0
FlxqX_div_pre 165413
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693809
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5577165
FpX_renormalize 144540951
Fp_add 181497111
Fp_addmul 11364214
Fp_center 77286743
Fp_center_i 18051768
Fp_div 15035589
Fp_divu 15135325
Fp_double 22204555
Fp_halve 247348
Fp_inv 23448756
Fp_invsafe 1100345
Fp_mul 201013019
Fp_muls 17780
Fp_mulu 69154907
Fp_neg 30883139
Fp_red 82037943
Fp_sqr 64202468
Fp_sub 202879664
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 572059
FqX_Fq_mul 427294
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 444995
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 367803
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 3106362
Fq_to_FpXQ 73792
GENbinbase 962640929
QV_isscalar 54378066
Q_abs 8062495
Q_abs_shallow 120245
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622078
RgC_gtofp 33999569
RgC_gtomp 574
RgM_dimensions 9742045
RgM_fpnorml2 22781
RgM_gtofp 8248606
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22159340
RgV_gtofp 56
RgV_is_QV 140757
RgV_is_ZV 31704121
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1208177
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2668699
RgX_copy 103399790
RgX_div 7000628
RgX_equal_var 26880771
RgX_fpnorml2 61608
RgX_gtofp 7139338
RgX_is_QX 400118
RgX_is_ZX 22414323
RgX_is_monomial 1331298
RgX_is_rational 68305
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479266
RgX_shift_inplace_init 479266
RgX_to_RgV 140
Rg_col_ei 1451275
Rg_to_Fq 756
ZC_hnfrem 10682169
ZM_ZV_mod 596594
ZM_hnfrem 363820
ZM_lll 7108221
ZV_ZV_mod 8129058
ZV_dvd 23485
ZV_isscalar 22997103
ZV_to_zv 3206064
ZXQ_mul 2162038
ZXQ_sqr 961051
ZX_equal1 12711
ZX_is_monic 7375956
ZX_renormalize 154864462
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12225665
abgrp_get_gen 1762887
abgrp_get_no 355173
absfrac 46617561
absfrac_shallow 27845
addmuliu 541092
addmuliu_inplace 59690305
affc_fixlg 249596
affgr 898817
bid_get_MOD 2157254
bid_get_U 3680226
bid_get_arch 41188
bid_get_archp 2397092
bid_get_cyc 5739552
bid_get_fact 2498943
bid_get_fact2 2201578
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804403
bid_get_ideal 72821
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157978
bin_copy 496471196
bit_accuracy 3160932790
bit_accuracy_mul 3175270
bit_prec 142886508
bnf_get_clgp 5368358
bnf_get_cyc 3681664
bnf_get_fu 25851
bnf_get_fu_nocheck 289071
bnf_get_gen 1678178
bnf_get_logfu 2872568
bnf_get_nf 9852635
bnf_get_no 8358
bnf_get_reg 641
bnf_get_sunits 1365640
bnf_get_tuN 282992
bnf_get_tuU 303558
bnr_get_bid 2045869
bnr_get_bnf 3750906
bnr_get_clgp 2830008
bnr_get_cyc 2522335
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368114
bnr_get_no 277494
both_odd 123956689
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973495
cgiv 101994905
checkell_i 4677461
closure_arity 370371744
closure_codestr 320452432
closure_get_code 0
closure_get_data 320419203
closure_get_dbg 13586
closure_get_frame 14209002
closure_get_oper 320437843
closure_get_text 36981
closure_is_variadic 40173591
col_ei 5923559
coltrunc_init 393680
const_col 9729468
const_vec 34524899
const_vecsmall 19488364
constant_coeff 1441258
cxcompotor 18139073
cxnorm 90984398
cxtofp 9044908
cxtoreal 394438
cyc_get_expo 2755550
cyclic_perm 99911
dbllog2r 94073399
degpol 5513367367
div_content 58475
divsBIL 8158112081
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232582
ellR_get_sign 371325
ell_get_a1 7116191
ell_get_a2 5709705
ell_get_a3 6912838
ell_get_a4 6522706
ell_get_a6 7961479
ell_get_b2 5432772
ell_get_b4 2135641
ell_get_b6 3055105
ell_get_b8 2608978
ell_get_c4 8021717
ell_get_c6 8850357
ell_get_disc 11280318
ell_get_j 1295726
ell_get_type 11588330
ell_is_inf 52478371
ellff_get_a4a6 800031
ellff_get_field 2036863
ellinf 1868533
ellnf_get_bnf 126
ellnf_get_nf 2027600
equali1 1299923699
equalim1 139049730
err_get_compo 294
err_get_num 62459
gaddgs 123247404
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 255260893
gc_INT 4091504809
gc_INT_affii 8481914
gc_all 110090836
gc_leaf 1135783634
gc_slice 2204570
gc_upto 1920318293
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 790670
gdivsg 529208
gen_I 1269496
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929047
get_F2x_mod 2499193
get_F2x_var 2534135
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83216252
get_Flx_mod 25586679
get_Flx_var 68333033
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 6424516
get_FpX_mod 3394326
get_FpX_var 6942085
gisdouble 2984606
gmax_shallow 13510219
gmaxsg 0
gmin_shallow 876309
gminsg 0
gmulgs 22291921
gmulgu 124184361
gsubgs 1727415
gtodouble 60861028
gtofp 254117724
gtomp 22428
gtos 85832505
gtou 104258
guncloneNULL 48140694
guncloneNULL_deep 1392837
gval 5824
hash_str 2754901
hash_str_len 19321899
icopy_avma 7978905892
idealchineseinit 5427
idealred 138467
identity_ZV 8113
identity_perm 3242557
identity_zv 3266900
inf_get_sign 1453101
inv_content 0
is_bigint 560933873
is_const_t 4917865513
is_extscalar_t 6876
is_intreal_t 9575019
is_matvec_t 658652065
is_noncalc_t 85757402
is_pm1 2191531364
is_qfb_t 0
is_rational_t 5034667
is_real_t 62657699
is_recursive_t 9267882751
is_scalar_t 374716708
is_universal_constant 292237385
is_vec_t 43503157
isint1 17114384
isintm1 5703239
isintzero 2832286674
ismpzero 9574895
isonstack 8213668547
killblock 1905019
leading_coeff 170546304
leafcopy_avma 572193239
lg_increase 312060800
lgcols 350027261
lgpol 2688908993
lincombii 38192875
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 752778
matpascal 3885
matslice 16814560
mkcol 10634502
mkcol2 156703646
mkcol2s 4415404
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232484
mkcolcopy 33494
mkcols 40411
mkcomplex 91723146
mkerr 0
mkfrac 41616940
mkfraccopy 4959327
mkfracss 1209444
mkintmod 8092584
mkintmodu 1813
mkmat 4748674
mkmat2 33192681
mkmat22 50180519
mkmat22s 207508
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122261
mkmoo 108811
mkoo 1332037
mkpadic 2009
mkpolmod 3105001
mkqfb 28076652
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 70417200
mkvec2 184596016
mkvec2copy 114562
mkvec2s 220403
mkvec3 120328196
mkvec3s 524441
mkvec4 6767075
mkvec4s 21
mkvec5 14725311
mkveccopy 122507
mkvecs 168
mkvecsmall 131113531
mkvecsmall2 232642896
mkvecsmall3 103797327
mkvecsmall4 17823602
mkvecsmall5 1730564
modpr_get_T 13865297
modpr_get_p 1888432
modpr_get_pr 31231153
mul_content 2652055
mul_denom 10706304
mulsubii 3880625
nbits2extraprec 1498903913
nbits2ndec 228
nbits2nlong 12646172
nbits2prec 186965437
nbrows 157490226
nchar2nlong 124502181
ndec2nbits 8270
ndec2nlong 41521
ndec2prec 33251
nfV_to_scalar_or_alg 26293
nf_get_G 303137
nf_get_M 21067286
nf_get_Tr 22084
nf_get_degree 71319000
nf_get_diff 4438
nf_get_disc 463828
nf_get_index 3707948
nf_get_invzk 9757985
nf_get_pol 98011011
nf_get_r1 22789977
nf_get_r2 4140
nf_get_ramified_primes 64812
nf_get_roots 1621363
nf_get_roundG 1744011
nf_get_sign 517284
nf_get_varn 1503553
nf_get_zk 4382
nf_get_zkden 5458434
nf_get_zkprimpart 5412599
normalize_frac 17045176
odd 2080748622
pari_calloc 47580
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2820
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 509795251
pari_malloc 741319458
pari_realloc 1890
pari_realloc_ip 2178782
pari_stack_alloc 718469269
pari_stack_base 723834793
pari_stack_delete 5418441
pari_stack_init 5842846
pari_stack_new 624220914
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782815
perm_mul 80927617
perm_sqr 728
pol0_F2x 13245947
pol0_Flx 103496156
pol1_F2x 3957678
pol1_Flx 55031635
pol_0 82993428
pol_1 3756133
pol_x 3824890
pol_xn 2249887
pol_xnall 294
polx_F2x 1078960
polx_Flx 37812009
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176448
pr_get_e 15947921
pr_get_f 25979908
pr_get_gen 12052064
pr_get_p 91650856
pr_get_tau 48825044
pr_is_inert 16889855
pr_norm 1086534
prec2lg 4509151744
prec2nbits 105879353
prec2nbits_mul 581138
prec2ndec 9778
precdbl 475359
qfb_disc 18514497
qfb_disc3 4987269
qfb_is_qfi 62956043
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8067907324
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 763991
row_i 987
rowcopy 204988
rowpermute 14704986
rowslice 79331682
rowslicepermute 184848
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27635525
sqrfrac 4144635
sqrti 6706762
sqrtnr 2800249
sqrtr 80230842
sstoQ 1097131
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60182684
truecoef 0
trunc_safe 0
ulogint 1719673
upr_norm 343928
uutoQ 159002008
vec_append 3461204
vec_ei 1714562
vec_lengthen 18946
vec_prepend 314098
vec_setconst 0
vec_shorten 11549
vec_to_vecsmall 4031396
veclast 7093188
vecmodii 0
vecmoduu 49784
vecpermute 20519778
vecreverse 697060
vecreverse_inplace 2570
vecslice 656081408
vecslicepermute 2690057
vecsmall_append 4111394
vecsmall_coincidence 0
vecsmall_concat 1464434
vecsmall_copy 4404219
vecsmall_ei 584731
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 526
vecsmall_lexcmp 7209171
vecsmall_max 1164548
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74577
vecsmall_to_col 7834645
vecsmall_to_vec 511536
vecsmall_to_vec_inplace 3304
vecsmallpermute 78731917
vecsmalltrunc_append 101538977
vecsmalltrunc_init 189223031
vecsplice 384900
vectrunc_append 15284827
vectrunc_append_batch 12306
vectrunc_init 11715758
zc_to_ZC 7820464
zero_F2m 0
zero_F2m_copy 845101
zero_F2v 3647515
zero_F2x 1350
zero_Flm 2830224
zero_Flm_copy 235889
zero_Flv 59547590
zero_Flx 1426839
zero_zm 0
zero_zv 36794310
zero_zx 0
zerocol 122241248
zeromat 109149
zeromatcopy 14233991
zeropadic 855595
zeropadic_shallow 17024
zeropol 42358452
zeroser 138810
zerovec 26922949
zerovec_block 28947
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 2184142
zv_to_ZV 502975
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16