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 30551-f8501633d1) Lines: 1420 1532 92.7 %
Date: 2025-11-20 09:22:21 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
F2xX_shift 0
F3m_copy 0
F3m_set 0
FlxqX_div 0
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQ_add 0
FpXQ_sub 0
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_divrem 0
FqX_halfgcd 0
FqX_integ 0
FqXn_exp 0
FqXn_sqr 0
R_abs 0
RgX_isscalar 0
bid_get_gen_nocheck 0
bid_get_no 0
cbrtr 0
cbrtr_abs 0
closure_get_code 0
gchar_get_U 0
gchar_get_hnf 0
gmaxsg 0
gminsg 0
inv_content 0
is_qfb_t 0
mkcol4s 0
mkerr 0
mkmat5 0
pari_err_FILE 0
pari_err_MAXPRIME 0
pari_err_PACKAGE 0
polx_zx 0
random_Fq 0
truecoef 0
trunc_safe 0
vec_setconst 0
vecmodii 0
vecsmall_coincidence 0
zero_F2m 0
zero_zm 0
zero_zx 0
zm_copy 0
zm_row 0
zm_to_zxV 0
zx_shift 0
zx_to_zv 0
FqX_ddf 7
FqX_factor_squarefree 7
mkrfraccopy 14
pari_err_BUG 14
znstar_get_no 14
RgM_gtomp 21
mkvec4s 21
pari_err_CONSTPOL 21
vecsmall_indexmax 21
vecsmall_indexmin 21
pari_err_FILEDESC 36
F2v_ei 42
RgV_gtofp 56
pari_err_IRREDPOL 63
pari_err_ROOTS0 63
bnr_get_gen_nocheck 70
mkmat4 84
pari_err_COPRIME 84
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
mkcol5 94
Z_ispower 98
pari_err_FLAG 98
pari_err_PRIME 98
rnf_get_index 105
ellnf_get_bnf 126
RgX_to_RgV 140
pari_err_OVERFLOW 156
mkvecs 168
FqX_to_mod 175
pari_err_COMPONENT 214
nbits2ndec 228
pari_err_PREC 238
pari_err_PRIORITY 238
zm_transpose 266
rowsplice 273
err_get_compo 294
pol_xnall 294
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 357
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
pari_err_IMPL 539
vecsmall_lengthen 547
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 630
gchar_set_nalg 630
gchar_set_nfree 630
gchar_set_ntors 630
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 945
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1225
gchar_set_prec 1225
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1288
locs_get_famod 1288
FqX_powu 1295
pari_err_MODULUS 1316
zero_F2x 1350
rnf_get_idealdisc 1386
rnf_get_alpha 1428
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_get_sfu 1743
gchar_set_evalprec 1813
mkintmodu 1813
gchar_get_nm 1869
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecsmall_min 2345
vecreverse_inplace 2605
pari_err_DOMAIN 2841
rnf_get_ramified_primes 2849
gchar_set_nfprec 2968
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3983
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4144
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
gval 6230
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
rnf_get_nfzk 7245
FqX_roots 7273
submuliu 7742
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12893
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15391
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22084
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22787
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26299
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gal_get_roots 32753
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33499
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37836
FqX_div 38568
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47699
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58475
RgX_fpnorml2 61607
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68313
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73792
vecsmall_shorten 74576
bnr_get_mod 77118
gal_get_group 80395
mkcol3 88314
gtou 98323
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108848
zeromat 109124
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114573
Q_abs_shallow 120259
mkmatcopy 122233
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138524
zeroser 138908
RgV_is_QV 140761
FqX_factor 141072
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 184666
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200500
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220417
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235915
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249620
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277495
gchar_get_zm 281911
bnf_get_tuN 283006
bnf_get_fu_nocheck 289082
nf_get_G 303527
bnf_get_tuU 303578
vec_prepend 313991
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334024
cxtoreal 337205
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 355188
ZM_hnfrem 363854
FqX_mul 367816
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384898
RgX_is_QX 400146
perm_conj 418299
FqX_Fq_mul 427303
FqX_extgcd 445051
Z_issquare 458923
nf_get_disc 463869
precdbl 475514
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503010
vecsmall_to_vec 511809
nf_get_sign 519553
mkvec3s 524441
gdivsg 531591
addmuliu 535800
FqX_Fp_mul 572128
prec2nbits_mul 581165
vecsmall_ei 584755
ZM_ZV_mod 596618
RgC_fpnorml2 622082
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754904
gcmpgs 761927
row 764005
rnf_get_nf 786030
ellff_get_a4a6 800027
zero_F2m_copy 845109
FpXX_renormalize 849896
zeropadic 855612
gmin_shallow 878310
affgr 898866
ZXQ_sqr 961104
cgetc 975458
Flx_lead 979631
polx_F2x 1078317
pr_norm 1088494
sstoQ 1097215
Fp_invsafe 1100558
Flx_mulu 1105493
vecsmall_max 1164762
mkfracss 1209563
RgV_isscalar 1210305
gen_I 1269819
RgX_is_monomial 1331839
mkoo 1332080
bnf_get_sunits 1367783
bnr_get_nf 1368123
rnf_get_absdegree 1392746
zero_Flx 1426886
constant_coeff 1441415
guncloneNULL_deep 1446638
Rg_col_ei 1451356
inf_get_sign 1453185
vecsmall_concat 1464326
nf_get_varn 1503724
bid_get_mod 1521921
F2m_flip 1554050
F2v_flip 1554050
F2x_flip 1554050
F2x_div 1569633
uutoQ 1600198
nf_get_roots 1627807
bnf_get_gen 1680328
vec_ei 1714618
ulogint 1720277
gsubgs 1724813
mkvecsmall5 1731100
nf_get_roundG 1746564
abgrp_get_gen 1765041
ellinf 1869829
modpr_get_p 1888432
get_F2x_degree 1929017
killblock 1931447
Flx_div 1999037
ellnf_get_nf 2027637
ellff_get_field 2036860
bnr_get_bid 2045863
ell_get_j 2126227
bid_get_MOD 2157251
bid_get_sprk 2157985
ZXQ_mul 2162098
zv_copy 2184064
bid_get_fact2 2201571
gc_slice 2205035
pol_xn 2249974
pari_realloc_ip 2267964
bid_get_archp 2397105
bid_get_fact 2498929
get_F2x_mod 2499218
rnf_get_degree 2506307
bnr_get_cyc 2522337
get_F2x_var 2534137
ell_get_b4 2550216
Flv_copy 2555326
mul_content 2654205
RgX_coeff 2669861
vecslicepermute 2689754
hash_str 2756815
cyc_get_expo 2757761
perm_inv 2782869
sqrtnr 2808701
bnr_get_clgp 2830005
zero_Flm 2830339
rnf_get_pol 2845164
znstar_get_pe 2868790
F2x_equal1 2874093
bnf_get_logfu 2874727
gisdouble 2987757
mkpolmod 3105118
Fq_red 3106288
bit_accuracy_mul 3175472
ZV_to_zv 3211414
identity_perm 3242834
F3m_coeff 3256662
identity_zv 3267184
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394553
vec_append 3465592
zero_F2v 3648073
bid_get_U 3680231
bnf_get_cyc 3686081
nf_get_index 3711361
bnr_get_bnf 3750906
pol_1 3756411
pol_x 3858352
ell_get_b6 3863115
mulsubii 3882450
pol1_F2x 3957651
vec_to_vecsmall 4036832
vecsmall_append 4111357
sqrfrac 4148312
vecsmall_copy 4404205
mkcol2s 4416244
F2x_equal 4655253
FpXQX_renormalize 4693972
mkmat 4750883
qfb_disc3 4991053
mkfraccopy 4999302
is_rational_t 5035335
bnf_get_clgp 5374958
nf_get_zkprimpart 5416708
nf_get_zkden 5462532
FpX_div 5581235
checkell_i 5593321
pari_stack_delete 5625692
isintm1 5711166
bid_get_cyc 5739559
bid_get_grp 5804414
col_ei 5925929
pari_stack_init 6084449
get_FpX_degree 6424766
Flm_copy 6433681
sqrti 6666046
get_FpX_var 6957965
RgX_div 7000740
vecsmall_lexcmp 7043256
ell_get_a2 7106184
ZM_lll 7112811
RgX_gtofp 7147850
znstar_get_faN 7330731
ell_get_b2 7371027
ZX_is_monic 7376013
zc_to_ZC 7823493
vecsmall_to_col 7837676
znstar_get_conreycyc 7978902
F2m_coeff 8038855
Q_abs 8064003
mkintmod 8092580
ZV_ZV_mod 8131237
RgM_gtofp 8253092
Flx_equal1 8331254
gc_INT_affii 8489009
ell_get_a4 8536724
Flm_row 8741908
ell_get_a3 8814049
ell_get_a1 8997081
cxtofp 9084770
veclast 9372671
ismpzero 9583604
is_intreal_t 9583712
const_col 9729910
RgM_dimensions 9742159
nf_get_invzk 9766033
bnf_get_nf 9863723
mkvec4 10106267
ser_isexactzero 10120284
ell_get_a6 10370962
mkcol 10640994
ZC_hnfrem 10690731
mul_denom 10710212
ell_get_c4 11018013
Fp_addmul 11375811
pr_get_gen 12062759
vectrunc_init 12065633
abgrp_get_cyc 12230226
F2x_clear 12355326
F2v_clear 12355327
ell_get_type 12499340
nbits2nlong 12678288
pol0_F2x 13238424
ell_get_c6 13474449
gmax_shallow 13510221
modpr_get_T 13867703
closure_get_frame 14170333
zeromatcopy 14241138
rowpermute 14709502
Fp_div 15035460
Fp_divu 15129916
mkvec5 15185300
pr_get_e 15952702
vectrunc_append 16161431
ell_get_disc 16814897
matslice 16817944
pr_is_inert 16910016
normalize_frac 17205185
isint1 17586616
mkvecsmall4 17825998
Fp_center_i 18057291
cxcompotor 18221377
qfb_disc 18514452
const_vecsmall 19707413
vecpermute 20530414
nf_get_M 21171788
Flx_div_pre 21704819
RgM_shallowcopy 22170771
Fp_double 22317436
RgX_is_ZX 22422601
gmulgs 22519332
nf_get_r1 22892362
ZV_isscalar 23097905
Fp_inv 23439968
get_Flx_mod 25604204
pr_get_f 26041344
RgX_equal_var 26883188
shallowcopy 27640489
mkqfb 27920196
zerovec 28455638
modpr_get_pr 31238333
Fp_neg 31480334
hash_str_len 31550231
RgV_is_ZV 32166730
submulii 32847732
mkmat2 33658425
RgC_gtofp 34015806
const_vec 34482049
zero_zv 36737141
polx_Flx 37832732
lincombii 38190871
znstar_get_N 38653757
closure_is_variadic 40168898
mkfrac 41642951
zeropol 42358676
powii 43178445
is_vec_t 43950537
absfrac 46643684
guncloneNULL 48228940
pr_get_tau 48871493
mkmat22 50277272
ell_is_inf 52511149
QV_isscalar 54401695
pol1_Flx 55082269
zero_Flv 59496656
addmuliu_inplace 59706364
submuliu_inplace 60193707
F2x_copy 60377360
gtodouble 60803532
is_real_t 62063861
qfb_is_qfi 62941130
Fp_sqr 64611196
Fp_mulu 67728370
get_Flx_var 68399846
mkvec 71139767
nf_get_degree 71351043
Fp_center 77244880
vecsmallpermute 78729590
rowslice 79329745
sqrtr 80371259
perm_mul 80925308
Fp_red 82085862
get_Flx_degree 82271428
pol_0 83002128
gtos 85854582
is_noncalc_t 85865447
cxnorm 90948179
mkcomplex 91634245
pr_get_p 91708708
dbllog2r 92831709
nf_get_pol 98059137
F2v_set 101403994
vecsmalltrunc_append 101430857
cgiv 102124633
RgX_copy 103409013
pol0_Flx 103510445
prec2nbits 103961637
mkvecsmall3 104045018
vecsmall_prefixcmp 108088071
gc_all 110007801
F2x_renormalize 115192010
mkvec3 117738113
zerocol 122293973
gaddgs 123248646
both_odd 123989023
F2x_set 124740251
nchar2nlong 127411661
mkvecsmall 131685526
equalim1 139505853
bit_prec 142682657
FpX_renormalize 144582956
ZX_renormalize 155008394
mkcol2 156856458
nbrows 157481911
leading_coeff 170560390
Flx_copy 173819556
Fp_add 181586374
mkvec2 184474452
nbits2prec 186147994
vecsmalltrunc_init 188944104
Fp_mul 201078335
Fp_sub 203502394
mkvecsmall2 233647604
gtofp 254278580
gc_GEN 256170835
gmulgu 282059385
lg_increase 313088015
closure_get_data 321363276
closure_get_oper 321379525
closure_codestr 321388725
is_universal_constant 325820743
lgcols 350259546
closure_arity 371281067
is_scalar_t 375670439
bin_copy 497349410
pari_free 510765717
is_bigint 562616138
leafcopy_avma 576860355
vecslice 655862252
is_matvec_t 659381240
F2v_coeff 661327319
F2x_coeff 667894468
pari_malloc 746649444
pari_stack_new 924892922
GENbinbase 964398188
pari_stack_alloc 1019577158
pari_stack_base 1025179149
gc_leaf 1132438120
equali1 1175176933
nbits2extraprec 1456425748
gc_upto 1949269304
odd 2084837012
is_pm1 2202423496
lgpol 2684152732
isintzero 2838109380
bit_accuracy 3162890060
gc_INT 4104395329
prec2lg 4466487389
is_const_t 4888336290
degpol 5502985364
remsBIL 8005448437
icopy_avma 8035820513
divsBIL 8096421989
isonstack 8255855132
is_recursive_t 9239223519

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