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 30569-8181146aa1) Lines: 1420 1532 92.7 %
Date: 2025-12-04 09:22:12 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
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
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2862
gchar_set_nfprec 2968
vecsmall_reverse 3066
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 4459
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 8379
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 15370
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17023
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 22795
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27881
gal_get_invvdm 27888
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29946
gal_get_roots 32760
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33540
Qtoss 35322
gal_get_pol 36344
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37824
FqX_div 38567
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 58575
RgX_fpnorml2 61628
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64854
RgX_is_rational 68325
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 74584
bnr_get_mod 77146
gal_get_group 80402
mkcol3 88314
gtou 98316
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108863
zeromat 109116
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114620
Q_abs_shallow 120247
mkmatcopy 122299
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138713
zeroser 138908
RgV_is_QV 140792
FqX_factor 141079
get_FpXQX_mod 146583
FlxqX_div_pre 165413
znstar_get_U 176107
rowslicepermute 185224
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200552
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220436
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235945
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249621
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277503
gchar_get_zm 281911
bnf_get_tuN 283003
bnf_get_fu_nocheck 289098
bnf_get_tuU 303578
nf_get_G 304216
vec_prepend 313992
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334019
cxtoreal 337206
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 355201
ZM_hnfrem 363893
FqX_mul 367827
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384941
RgX_is_QX 400154
perm_conj 418299
FqX_Fq_mul 427282
FqX_extgcd 445096
Z_issquare 458921
nf_get_disc 463987
precdbl 475516
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519566
mkvec3s 524441
gdivsg 531590
addmuliu 535791
FqX_Fp_mul 572233
prec2nbits_mul 581167
vecsmall_ei 584721
ZM_ZV_mod 596631
RgC_fpnorml2 622145
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754917
gcmpgs 761924
row 764019
rnf_get_nf 786030
ellff_get_a4a6 800022
zero_F2m_copy 845224
FpXX_renormalize 849896
zeropadic 855646
gmin_shallow 878381
affgr 898866
ZXQ_sqr 961152
cgetc 975459
Flx_lead 980641
polx_F2x 1078564
pr_norm 1090272
sstoQ 1097215
Fp_invsafe 1100571
Flx_mulu 1105494
vecsmall_max 1164567
mkfracss 1209563
RgV_isscalar 1210302
gen_I 1269837
RgX_is_monomial 1331778
mkoo 1332022
bnf_get_sunits 1367842
bnr_get_nf 1368167
rnf_get_absdegree 1392746
zero_Flx 1426781
constant_coeff 1441414
guncloneNULL_deep 1446656
Rg_col_ei 1451766
inf_get_sign 1453147
vecsmall_concat 1464425
nf_get_varn 1503782
bid_get_mod 1521921
F2m_flip 1554050
F2v_flip 1554050
F2x_flip 1554050
F2x_div 1570108
uutoQ 1600198
nf_get_roots 1628543
bnf_get_gen 1680402
ulogint 1713806
vec_ei 1714720
gsubgs 1724807
mkvecsmall5 1731098
nf_get_roundG 1747538
abgrp_get_gen 1765115
ellinf 1869439
modpr_get_p 1888614
get_F2x_degree 1929003
killblock 1932330
Flx_div 1999131
ellnf_get_nf 2027642
ellff_get_field 2036853
bnr_get_bid 2046144
ell_get_j 2126227
bid_get_MOD 2157272
bid_get_sprk 2158004
ZXQ_mul 2162216
zv_copy 2183930
bid_get_fact2 2201597
gc_slice 2204933
pol_xn 2249976
pari_realloc_ip 2269240
bid_get_archp 2397085
bid_get_fact 2498955
get_F2x_mod 2499133
rnf_get_degree 2506307
bnr_get_cyc 2522580
get_F2x_var 2534169
ell_get_b4 2550216
Flv_copy 2555184
mul_content 2654958
RgX_coeff 2669861
vecslicepermute 2691860
hash_str 2756815
cyc_get_expo 2757830
perm_inv 2782945
sqrtnr 2809666
zero_Flm 2830148
bnr_get_clgp 2830272
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2873905
bnf_get_logfu 2874800
gisdouble 2992646
mkpolmod 3105224
Fq_red 3106280
bit_accuracy_mul 3175472
ZV_to_zv 3211422
identity_perm 3242608
F3m_coeff 3256657
identity_zv 3266958
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394575
vec_append 3465710
zero_F2v 3648419
bid_get_U 3680252
bnf_get_cyc 3686686
nf_get_index 3712392
bnr_get_bnf 3751394
pol_1 3756643
pol_x 3858392
ell_get_b6 3863115
mulsubii 3881682
pol1_F2x 3957603
vec_to_vecsmall 4036847
vecsmall_append 4111375
sqrfrac 4148191
vecsmall_copy 4404908
mkcol2s 4416244
F2x_equal 4657289
FpXQX_renormalize 4692965
mkmat 4751376
qfb_disc3 4995477
mkfraccopy 4999579
is_rational_t 5035681
bnf_get_clgp 5375634
nf_get_zkprimpart 5418430
nf_get_zkden 5464247
FpX_div 5583081
checkell_i 5593300
pari_stack_delete 5640931
isintm1 5711183
bid_get_cyc 5739783
bid_get_grp 5804637
col_ei 5927034
pari_stack_init 6087171
get_FpX_degree 6424911
Flm_copy 6435517
sqrti 6666897
get_FpX_var 6957956
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106183
ZM_lll 7117930
RgX_gtofp 7147911
znstar_get_faN 7331711
ell_get_b2 7371023
ZX_is_monic 7376200
zc_to_ZC 7824938
vecsmall_to_col 7839132
znstar_get_conreycyc 7979693
F2m_coeff 8039129
Q_abs 8064298
mkintmod 8092562
ZV_ZV_mod 8131577
RgM_gtofp 8259826
Flx_equal1 8331057
gc_INT_affii 8503899
ell_get_a4 8536724
Flm_row 8742498
ell_get_a3 8814044
ell_get_a1 8997076
cxtofp 9084867
veclast 9372758
ismpzero 9586425
is_intreal_t 9586534
const_col 9730281
RgM_dimensions 9742574
nf_get_invzk 9769533
bnf_get_nf 9865048
mkvec4 10106989
ser_isexactzero 10120284
ell_get_a6 10370962
mkcol 10641627
ZC_hnfrem 10696655
mul_denom 10713472
ell_get_c4 11017764
Fp_addmul 11360697
vectrunc_init 12067362
pr_get_gen 12069744
abgrp_get_cyc 12231269
F2x_clear 12357140
F2v_clear 12357160
ell_get_type 12499289
nbits2nlong 12677454
pol0_F2x 13243884
ell_get_c6 13474125
gmax_shallow 13510227
modpr_get_T 13868008
closure_get_frame 14173467
zeromatcopy 14252096
rowpermute 14710915
Fp_div 15035117
Fp_divu 15129563
mkvec5 15187121
pr_get_e 16105431
vectrunc_append 16161222
ell_get_disc 16814767
matslice 16823578
pr_is_inert 17150524
normalize_frac 17206833
isint1 17587151
mkvecsmall4 17827403
Fp_center_i 18053156
cxcompotor 18221336
qfb_disc 18514455
const_vecsmall 19711589
vecpermute 20548906
nf_get_M 21308585
Flx_div_pre 21716676
RgM_shallowcopy 22179462
Fp_double 22261699
RgX_is_ZX 22426172
gmulgs 22547830
nf_get_r1 23029151
ZV_isscalar 23236022
Fp_inv 23444139
get_Flx_mod 25609539
pr_get_f 26350558
RgX_equal_var 26883214
shallowcopy 27642854
mkqfb 27929115
zerovec 28455714
modpr_get_pr 31238947
Fp_neg 31480405
hash_str_len 31551585
RgV_is_ZV 32167320
submulii 32848628
mkmat2 33663918
RgC_gtofp 34040858
const_vec 34489889
zero_zv 36746053
polx_Flx 37838417
lincombii 38208326
znstar_get_N 38655073
mkfrac 41638529
zeropol 42358734
powii 43178862
is_vec_t 43954526
closure_is_variadic 44826236
absfrac 46644714
guncloneNULL 48232516
pr_get_tau 49577355
mkmat22 50282867
ell_is_inf 52471994
QV_isscalar 54418582
pol1_Flx 55093016
zero_Flv 59570588
addmuliu_inplace 59775221
submuliu_inplace 60263713
F2x_copy 60425785
gtodouble 60798125
is_real_t 62063901
qfb_is_qfi 62955955
Fp_sqr 64383385
Fp_mulu 67654339
get_Flx_var 68415733
mkvec 71144532
nf_get_degree 71371128
Fp_center 77211530
vecsmallpermute 78736337
rowslice 79350971
sqrtr 80382549
perm_mul 80931842
Fp_red 82089444
get_Flx_degree 82275142
pol_0 83002291
gtos 85854594
is_noncalc_t 85879022
cxnorm 91218911
mkcomplex 91630893
pr_get_p 92491339
dbllog2r 92831729
nf_get_pol 98085236
F2v_set 101405325
vecsmalltrunc_append 101551045
cgiv 102283246
RgX_copy 103409199
pol0_Flx 103528123
prec2nbits 103968703
mkvecsmall3 104051896
vecsmall_prefixcmp 108088071
gc_all 110028454
F2x_renormalize 115160567
mkvec3 117706507
zerocol 122358495
gaddgs 123248653
both_odd 123907657
F2x_set 124720861
nchar2nlong 127435806
mkvecsmall 131704206
equalim1 139505571
bit_prec 142827531
FpX_renormalize 144584351
ZX_renormalize 155030655
mkcol2 156888444
nbrows 157530868
leading_coeff 170556385
Flx_copy 173821825
Fp_add 181445432
mkvec2 185210739
nbits2prec 186140188
vecsmalltrunc_init 190480798
Fp_mul 201036948
Fp_sub 203445326
mkvecsmall2 233669863
gtofp 254378564
gc_GEN 256256948
gmulgu 282059385
lg_increase 317372719
closure_get_data 321297414
closure_get_oper 321325622
closure_codestr 321353012
is_universal_constant 325813211
lgcols 350854650
closure_arity 371211698
is_scalar_t 375678621
bin_copy 497437561
pari_free 510851086
is_bigint 562968855
leafcopy_avma 577700997
vecslice 656318743
is_matvec_t 659304361
F2v_coeff 661333621
F2x_coeff 667903286
pari_malloc 746737166
pari_stack_new 924838958
GENbinbase 964559038
pari_stack_alloc 1019523626
pari_stack_base 1025149166
gc_leaf 1132408197
equali1 1175747373
nbits2extraprec 1456929451
gc_upto 1951165995
odd 2084356151
is_pm1 2203722883
lgpol 2680843493
isintzero 2842489625
bit_accuracy 3163528272
gc_INT 4109751583
prec2lg 4468087376
is_const_t 4894288676
degpol 5499249142
remsBIL 8006409620
icopy_avma 8042025221
divsBIL 8096374653
isonstack 8263931273
is_recursive_t 9240038590

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