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 30446-bebd557ed6) Lines: 1420 1532 92.7 %
Date: 2025-08-05 09:23:54 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 8039197
F2m_copy 200498
F2m_flip 1554207
F2m_set 798
F2v_clear 12355660
F2v_coeff 661329889
F2v_copy 4487
F2v_ei 42
F2v_flip 1554207
F2v_set 101404347
F2v_to_F2x 37750
F2xX_shift 0
F2x_clear 12355653
F2x_coeff 667900596
F2x_copy 60369139
F2x_div 1569634
F2x_equal 4654219
F2x_equal1 2873932
F2x_flip 1554207
F2x_renormalize 115237217
F2x_set 124768404
F2xqX_div 33173
F3m_coeff 3256717
F3m_copy 0
F3m_set 0
Flm_copy 6431368
Flm_row 8742548
Flv_copy 2555422
Flx_constant 330246
Flx_copy 173787117
Flx_div 1998977
Flx_div_pre 21704258
Flx_equal1 8327240
Flx_lead 980216
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 4693531
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5578691
FpX_renormalize 144570770
Fp_add 181567676
Fp_addmul 11383260
Fp_center 77221717
Fp_center_i 18050844
Fp_div 15034924
Fp_divu 15134657
Fp_double 22251702
Fp_halve 247348
Fp_inv 23399006
Fp_invsafe 1100350
Fp_mul 201080472
Fp_muls 17780
Fp_mulu 67855420
Fp_neg 30882779
Fp_red 82083317
Fp_sqr 64379249
Fp_sub 203072279
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 572130
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 445050
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 367817
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 3106296
Fq_to_FpXQ 73792
GENbinbase 964111699
QV_isscalar 54379856
Q_abs 8062465
Q_abs_shallow 120244
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622069
RgC_gtofp 34009682
RgC_gtomp 574
RgM_dimensions 9741867
RgM_fpnorml2 22781
RgM_gtofp 8252290
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22161262
RgV_gtofp 56
RgV_is_QV 140754
RgV_is_ZV 32159649
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1208179
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669140
RgX_copy 103402379
RgX_div 7000740
RgX_equal_var 26880627
RgX_fpnorml2 61607
RgX_gtofp 7147295
RgX_is_QX 400114
RgX_is_ZX 22417660
RgX_is_monomial 1331300
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 1451299
Rg_to_Fq 756
ZC_hnfrem 10682235
ZM_ZV_mod 596598
ZM_hnfrem 363838
ZM_lll 7110310
ZV_ZV_mod 8128984
ZV_dvd 23485
ZV_isscalar 23092329
ZV_to_zv 3206067
ZXQ_mul 2162052
ZXQ_sqr 961081
ZX_equal1 12711
ZX_is_monic 7375985
ZX_renormalize 154881933
Z_ispower 98
Z_issquare 458923
abgrp_get_cyc 12225896
abgrp_get_gen 1762891
abgrp_get_no 355174
absfrac 46627771
absfrac_shallow 27901
addmuliu 541083
addmuliu_inplace 59764306
affc_fixlg 249593
affgr 898894
bid_get_MOD 2157257
bid_get_U 3680239
bid_get_arch 41188
bid_get_archp 2397126
bid_get_cyc 5739584
bid_get_fact 2498952
bid_get_fact2 2201580
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804435
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157989
bin_copy 497207910
bit_accuracy 3163771489
bit_accuracy_mul 3175376
bit_prec 142990048
bnf_get_clgp 5368438
bnf_get_cyc 3681729
bnf_get_fu 25852
bnf_get_fu_nocheck 289063
bnf_get_gen 1678181
bnf_get_logfu 2872604
bnf_get_nf 9852799
bnf_get_no 8358
bnf_get_reg 648
bnf_get_sunits 1365640
bnf_get_tuN 282984
bnf_get_tuU 303552
bnr_get_bid 2045865
bnr_get_bnf 3750894
bnr_get_clgp 2830012
bnr_get_cyc 2522337
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77116
bnr_get_nf 1368106
bnr_get_no 277496
both_odd 124088409
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973492
cgiv 102098341
checkell_i 5588490
closure_arity 370980081
closure_codestr 321127202
closure_get_code 0
closure_get_data 321079868
closure_get_dbg 13600
closure_get_frame 14145248
closure_get_oper 321104453
closure_get_text 37009
closure_is_variadic 40152831
col_ei 5923649
coltrunc_init 740250
const_col 9729790
const_vec 34494608
const_vecsmall 19660657
constant_coeff 1441494
cxcompotor 18206701
cxnorm 90974452
cxtofp 9077602
cxtoreal 394519
cyc_get_expo 2755562
cyclic_perm 99911
dbllog2r 94025935
degpol 5507281973
div_content 58477
divsBIL 8170599137
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371549
ell_get_a1 8996373
ell_get_a2 7105469
ell_get_a3 8813341
ell_get_a4 8536010
ell_get_a6 10370248
ell_get_b2 7369858
ell_get_b4 2549040
ell_get_b6 3861939
ell_get_b8 3297414
ell_get_c4 10728583
ell_get_c6 12891966
ell_get_disc 16525515
ell_get_j 2126227
ell_get_type 12499308
ell_is_inf 52499669
ellff_get_a4a6 800032
ellff_get_field 2036863
ellinf 1868500
ellnf_get_bnf 126
ellnf_get_nf 2027601
equali1 1303304925
equalim1 139504331
err_get_compo 294
err_get_num 62487
gaddgs 123247437
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 256142096
gc_INT 4108527797
gc_INT_affii 8487804
gc_all 109982431
gc_leaf 1133910928
gc_slice 2204894
gc_upto 1954870342
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 790753
gdivsg 529207
gen_I 1269757
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929018
get_F2x_mod 2499143
get_F2x_var 2534126
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82571846
get_Flx_mod 25599931
get_Flx_var 68357001
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 6424493
get_FpX_mod 3394318
get_FpX_var 6957876
gisdouble 2987236
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 876298
gminsg 0
gmulgs 22451664
gmulgu 124184361
gsubgs 1727461
gtodouble 60765581
gtofp 254214606
gtomp 22428
gtos 85832615
gtou 104266
guncloneNULL 48156349
guncloneNULL_deep 1390441
gval 5824
hash_str 2754901
hash_str_len 31539921
icopy_avma 8040601401
idealchineseinit 5427
idealred 138527
identity_ZV 8113
identity_perm 3242389
identity_zv 3266739
inf_get_sign 1453147
inv_content 0
is_bigint 562537386
is_const_t 4924802271
is_extscalar_t 6876
is_intreal_t 9575329
is_matvec_t 659948154
is_noncalc_t 85859503
is_pm1 2201486901
is_qfb_t 0
is_rational_t 5035126
is_real_t 62657793
is_recursive_t 9324366373
is_scalar_t 375843853
is_universal_constant 325888535
is_vec_t 43946670
isint1 17571676
isintm1 5704053
isintzero 2839565513
ismpzero 9575215
isonstack 8266239597
killblock 1903386
leading_coeff 170556734
leafcopy_avma 576653201
lg_increase 314439156
lgcols 350171988
lgpol 2686009233
lincombii 38184522
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 752815
matpascal 3885
matslice 16817568
mkcol 10635282
mkcol2 156858320
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232596
mkcolcopy 33509
mkcols 40411
mkcomplex 91688837
mkerr 0
mkfrac 41621898
mkfraccopy 4999417
mkfracss 1209563
mkintmod 8092632
mkintmodu 1813
mkmat 4748659
mkmat2 33649650
mkmat22 50267524
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122218
mkmoo 108835
mkoo 1332049
mkpadic 2009
mkpolmod 3105019
mkqfb 28079806
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71158356
mkvec2 184614213
mkvec2copy 114565
mkvec2s 220412
mkvec3 118753740
mkvec3s 524441
mkvec4 10105802
mkvec4s 21
mkvec5 15182635
mkveccopy 122521
mkvecs 168
mkvecsmall 131661177
mkvecsmall2 233669022
mkvecsmall3 104068306
mkvecsmall4 17827087
mkvecsmall5 1730580
modpr_get_T 13865323
modpr_get_p 1888430
modpr_get_pr 31231220
mul_content 2652003
mul_denom 10707909
mulsubii 3880744
nbits2extraprec 1499399809
nbits2ndec 228
nbits2nlong 12645825
nbits2prec 187619713
nbrows 157435859
nchar2nlong 127372427
ndec2nbits 8270
ndec2nlong 41605
ndec2prec 33335
nfV_to_scalar_or_alg 26293
nf_get_G 303534
nf_get_M 21161858
nf_get_Tr 22078
nf_get_degree 71322094
nf_get_diff 4438
nf_get_disc 463826
nf_get_index 3709013
nf_get_invzk 9761167
nf_get_pol 98018653
nf_get_r1 22884556
nf_get_r2 4140
nf_get_ramified_primes 64813
nf_get_roots 1625443
nf_get_roundG 1744467
nf_get_sign 517290
nf_get_varn 1503562
nf_get_zk 4382
nf_get_zkden 5460053
nf_get_zkprimpart 5414258
normalize_frac 17119812
odd 2084319626
pari_calloc 47643
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 510533082
pari_malloc 746461095
pari_realloc 1890
pari_realloc_ip 2179854
pari_stack_alloc 1019088059
pari_stack_base 1024442684
pari_stack_delete 5411198
pari_stack_init 5834551
pari_stack_new 924449031
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782812
perm_mul 80927570
perm_sqr 728
pol0_F2x 13235359
pol0_Flx 103497717
pol1_F2x 3957522
pol1_Flx 55056455
pol_0 82998116
pol_1 3756286
pol_x 3856821
pol_xn 2249896
pol_xnall 294
polx_F2x 1078426
polx_Flx 37827142
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43176539
pr_get_e 15948196
pr_get_f 26036147
pr_get_gen 12055225
pr_get_p 91688938
pr_get_tau 48861354
pr_is_inert 16905887
pr_norm 1088481
prec2lg 4512091194
prec2nbits 105786843
prec2nbits_mul 581138
prec2ndec 9778
precdbl 475490
qfb_disc 18514518
qfb_disc3 4988844
qfb_is_qfi 62947151
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8080352924
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 764010
row_i 987
rowcopy 204988
rowpermute 14704811
rowslice 79341242
rowslicepermute 184760
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27635330
sqrfrac 4147165
sqrti 6663545
sqrtnr 2807094
sqrtr 80274251
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60256983
truecoef 0
trunc_safe 0
ulogint 1719623
upr_norm 343930
uutoQ 159002008
vec_append 3461164
vec_ei 1714571
vec_lengthen 18946
vec_prepend 313981
vec_setconst 0
vec_shorten 11550
vec_to_vecsmall 4031500
veclast 9372667
vecmodii 0
vecmoduu 49784
vecpermute 20519759
vecreverse 697235
vecreverse_inplace 2570
vecslice 656192623
vecslicepermute 2689495
vecsmall_append 4111385
vecsmall_coincidence 0
vecsmall_concat 1464434
vecsmall_copy 4404192
vecsmall_ei 584739
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 540
vecsmall_lexcmp 7043259
vecsmall_max 1164613
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74575
vecsmall_to_col 7833392
vecsmall_to_vec 511571
vecsmall_to_vec_inplace 3304
vecsmallpermute 78732051
vecsmalltrunc_append 101485029
vecsmalltrunc_init 189520707
vecsplice 384893
vectrunc_append 16165603
vectrunc_append_batch 12306
vectrunc_init 12065630
zc_to_ZC 7819211
zero_F2m 0
zero_F2m_copy 845097
zero_F2v 3648087
zero_F2x 1350
zero_Flm 2830002
zero_Flm_copy 235906
zero_Flv 59488773
zero_Flx 1426649
zero_zm 0
zero_zv 36729899
zero_zx 0
zerocol 122270856
zeromat 109064
zeromatcopy 14240158
zeropadic 855883
zeropadic_shallow 17023
zeropol 42358595
zeroser 138824
zerovec 28455286
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 2184164
zv_to_ZV 502996
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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