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 30552-d1d0643eee) Lines: 1419 1532 92.6 %
Date: 2025-11-22 09:22:46 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 8038921
F2m_copy 200496
F2m_flip 1554077
F2m_set 798
F2v_clear 12355415
F2v_coeff 661327854
F2v_copy 4487
F2v_ei 42
F2v_flip 1554077
F2v_set 101403948
F2v_to_F2x 37855
F2xX_shift 0
F2x_clear 12355412
F2x_coeff 667865156
F2x_copy 60380330
F2x_div 1569881
F2x_equal 4655146
F2x_equal1 2874117
F2x_flip 1554077
F2x_renormalize 115183460
F2x_set 124726095
F2xqX_div 33173
F3m_coeff 3256717
F3m_copy 0
F3m_set 0
Flm_copy 6433781
Flm_row 8742300
Flv_copy 2555305
Flx_constant 334026
Flx_copy 173808959
Flx_div 1999008
Flx_div_pre 21706289
Flx_equal1 8331231
Flx_lead 980523
Flx_mulu 1105472
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693811
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581242
FpX_renormalize 144577722
Fp_add 181816778
Fp_addmul 11436084
Fp_center 77243362
Fp_center_i 18060131
Fp_div 15034832
Fp_divu 15129255
Fp_double 22468051
Fp_halve 247348
Fp_inv 23440263
Fp_invsafe 1100553
Fp_mul 201190048
Fp_muls 17780
Fp_mulu 70669521
Fp_neg 31478421
Fp_red 82084717
Fp_sqr 65029380
Fp_sub 203805996
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 572123
FqX_Fq_mul 427297
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 445048
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 367816
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 3106340
Fq_to_FpXQ 73792
GENbinbase 964389013
QV_isscalar 54401700
Q_abs 8064093
Q_abs_shallow 120231
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622080
RgC_gtofp 34014745
RgC_gtomp 574
RgM_dimensions 9742068
RgM_fpnorml2 22787
RgM_gtofp 8253047
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22171073
RgV_gtofp 56
RgV_is_QV 140763
RgV_is_ZV 32166734
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409216
RgX_div 7000740
RgX_equal_var 26883198
RgX_fpnorml2 61607
RgX_gtofp 7147704
RgX_is_QX 400144
RgX_is_ZX 22422602
RgX_is_monomial 1331831
RgX_is_rational 68311
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451358
Rg_to_Fq 756
ZC_hnfrem 10690843
ZM_ZV_mod 596624
ZM_hnfrem 363852
ZM_lll 7112852
ZV_ZV_mod 8131299
ZV_dvd 23485
ZV_isscalar 23097932
ZV_to_zv 3211415
ZXQ_mul 2161954
ZXQ_sqr 961001
ZX_equal1 12893
ZX_is_monic 7375993
ZX_renormalize 155005335
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12230229
abgrp_get_gen 1765025
abgrp_get_no 355190
absfrac 46643758
absfrac_shallow 28237
addmuliu 535755
addmuliu_inplace 59702668
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157261
bid_get_U 3680241
bid_get_arch 41188
bid_get_archp 2397123
bid_get_cyc 5739590
bid_get_fact 2498941
bid_get_fact2 2201583
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804437
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157984
bin_copy 497349121
bit_accuracy 3162716019
bit_accuracy_mul 3175472
bit_prec 142678713
bnf_get_clgp 5374923
bnf_get_cyc 3686070
bnf_get_fu 25859
bnf_get_fu_nocheck 289077
bnf_get_gen 1680314
bnf_get_logfu 2874744
bnf_get_nf 9863729
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367782
bnf_get_tuN 283003
bnf_get_tuU 303576
bnr_get_bid 2045870
bnr_get_bnf 3750912
bnr_get_clgp 2830022
bnr_get_cyc 2522338
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368122
bnr_get_no 277498
both_odd 124007985
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975459
cgiv 102120877
checkell_i 5593358
closure_arity 371251016
closure_codestr 321364673
closure_get_code 0
closure_get_data 321332597
closure_get_dbg 13621
closure_get_frame 14170357
closure_get_oper 321349729
closure_get_text 37051
closure_is_variadic 44821628
col_ei 5925928
coltrunc_init 740250
const_col 9729907
const_vec 34480734
const_vecsmall 19707100
constant_coeff 1441398
cxcompotor 18222751
cxnorm 90947248
cxtofp 9085539
cxtoreal 337206
cyc_get_expo 2757780
cyclic_perm 99911
dbllog2r 92832539
degpol 5521031416
div_content 58475
divsBIL 8096210370
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997090
ell_get_a2 7106179
ell_get_a3 8814058
ell_get_a4 8536720
ell_get_a6 10370958
ell_get_b2 7371041
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017970
ell_get_c6 13474366
ell_get_disc 16814923
ell_get_j 2126227
ell_get_type 12499449
ell_is_inf 52477291
ellff_get_a4a6 800036
ellff_get_field 2036859
ellinf 1869718
ellnf_get_bnf 126
ellnf_get_nf 2027629
equali1 1175175623
equalim1 139505896
err_get_compo 294
err_get_num 62522
gaddgs 123248602
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 256230083
gc_INT 4104968267
gc_INT_affii 8488054
gc_all 110008009
gc_leaf 1138207270
gc_slice 2204955
gc_upto 1949253852
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 761926
gdivsg 531591
gen_I 1269842
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1928948
get_F2x_mod 2499207
get_F2x_var 2534075
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83679710
get_Flx_mod 25602953
get_Flx_var 68395481
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 6424832
get_FpX_mod 3394536
get_FpX_var 6957873
gisdouble 2988074
gmax_shallow 13510220
gmaxsg 0
gmin_shallow 878338
gminsg 0
gmulgs 22508966
gmulgu 282059384
gsubgs 1724813
gtodouble 60801088
gtofp 254262844
gtomp 22428
gtos 85854592
gtou 98296
guncloneNULL 48229032
guncloneNULL_deep 1446323
gval 6230
hash_str 2756815
hash_str_len 31550252
icopy_avma 8036179560
idealchineseinit 5427
idealred 138521
identity_ZV 8113
identity_perm 3242630
identity_zv 3266980
inf_get_sign 1453177
inv_content 0
is_bigint 562617219
is_const_t 4888691931
is_extscalar_t 6876
is_intreal_t 9583888
is_matvec_t 659323906
is_noncalc_t 85865373
is_pm1 2203835794
is_qfb_t 0
is_rational_t 5035358
is_real_t 62063859
is_recursive_t 9238774831
is_scalar_t 375670647
is_universal_constant 325871789
is_vec_t 43939419
isint1 17586654
isintm1 5711208
isintzero 2838087405
ismpzero 9583774
isonstack 8261997237
killblock 1930599
leading_coeff 170559508
leafcopy_avma 576914545
lg_increase 313080691
lgcols 350261853
lgpol 2692634669
lincombii 38190914
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 754902
matpascal 3983
matslice 16818090
mkcol 10640977
mkcol2 156853055
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33501
mkcols 40411
mkcomplex 91641463
mkerr 0
mkfrac 41642647
mkfraccopy 4999339
mkfracss 1209563
mkintmod 8092751
mkintmodu 1813
mkmat 4750797
mkmat2 33658867
mkmat22 50276457
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122244
mkmoo 108850
mkoo 1332068
mkpadic 2009
mkpolmod 3105123
mkqfb 27920298
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71162795
mkvec2 184263102
mkvec2copy 114571
mkvec2s 220419
mkvec3 121977305
mkvec3s 524441
mkvec4 10106213
mkvec4s 21
mkvec5 15185295
mkveccopy 122521
mkvecs 168
mkvecsmall 131679730
mkvecsmall2 233640134
mkvecsmall3 104045013
mkvecsmall4 17837479
mkvecsmall5 1731104
modpr_get_T 13867680
modpr_get_p 1888432
modpr_get_pr 31238359
mul_content 2654109
mul_denom 10710241
mulsubii 3881150
nbits2extraprec 1456305347
nbits2ndec 228
nbits2nlong 12677891
nbits2prec 186149677
nbrows 157480582
nchar2nlong 127411428
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303592
nf_get_M 21171777
nf_get_Tr 22079
nf_get_degree 71351228
nf_get_diff 4438
nf_get_disc 463865
nf_get_index 3711372
nf_get_invzk 9765991
nf_get_pol 98058999
nf_get_r1 22892336
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627876
nf_get_roundG 1746627
nf_get_sign 519552
nf_get_varn 1503724
nf_get_zk 4382
nf_get_zkden 5462554
nf_get_zkprimpart 5416701
normalize_frac 17205071
odd 2084260373
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 510762948
pari_malloc 746663194
pari_realloc 1890
pari_realloc_ip 2267667
pari_stack_alloc 1019565384
pari_stack_base 1025158865
pari_stack_delete 5623670
pari_stack_init 6084382
pari_stack_new 924882696
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782904
perm_mul 80928624
perm_sqr 728
pol0_F2x 13237795
pol0_Flx 103507452
pol1_F2x 3957126
pol1_Flx 55077902
pol_0 83002142
pol_1 3756391
pol_x 3858367
pol_xn 2249936
pol_xnall 294
polx_F2x 1078399
polx_Flx 37829366
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178438
pr_get_e 15952808
pr_get_f 26041949
pr_get_gen 12062951
pr_get_p 91709573
pr_get_tau 48872233
pr_is_inert 16910282
pr_norm 1088596
prec2lg 4466081967
prec2nbits 103957303
prec2nbits_mul 581163
prec2ndec 9778
precdbl 475517
qfb_disc 18514530
qfb_disc3 4991091
qfb_is_qfi 62937130
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8005287900
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 764003
row_i 987
rowcopy 204988
rowpermute 14709680
rowslice 79341945
rowslicepermute 184812
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27640122
sqrfrac 4148200
sqrti 6665965
sqrtnr 2808801
sqrtr 80368092
sstoQ 1097215
sturm 385
submulii 32847732
submuliu 7742
submuliu_inplace 60198578
truecoef 0
trunc_safe 0
ulogint 1709714
upr_norm 346136
uutoQ 1600198
vec_append 3465571
vec_ei 1714594
vec_lengthen 18946
vec_prepend 313998
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036840
veclast 9372661
vecmodii 0
vecmoduu 49784
vecpermute 20531343
vecreverse 697235
vecreverse_inplace 2605
vecslice 656073595
vecslicepermute 2690096
vecsmall_append 4111379
vecsmall_coincidence 0
vecsmall_concat 1464426
vecsmall_copy 4404170
vecsmall_ei 584744
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164695
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74576
vecsmall_to_col 7837917
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78733038
vecsmalltrunc_append 101461762
vecsmalltrunc_init 188658732
vecsplice 384907
vectrunc_append 16162020
vectrunc_append_batch 12306
vectrunc_init 12066118
zc_to_ZC 7823733
zero_F2m 0
zero_F2m_copy 845092
zero_F2v 3648039
zero_F2x 1350
zero_Flm 2830177
zero_Flm_copy 235924
zero_Flv 59495401
zero_Flx 1426678
zero_zm 0
zero_zv 36736971
zero_zx 0
zerocol 122293767
zeromat 109131
zeromatcopy 14241245
zeropadic 855722
zeropadic_shallow 17024
zeropol 42358718
zeroser 138908
zerovec 28455590
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 2184043
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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