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 30572-91e0396466) Lines: 1419 1532 92.6 %
Date: 2025-12-13 09:22:30 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 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 22079
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22795
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25858
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 29945
gal_get_roots 32760
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33542
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 37908
FqX_div 38569
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 58576
RgX_fpnorml2 61628
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64854
RgX_is_rational 68326
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 77147
gal_get_group 80401
mkcol3 88314
gtou 98315
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108864
zeromat 109212
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114623
Q_abs_shallow 120245
mkmatcopy 122278
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138713
zeroser 138908
RgV_is_QV 140791
FqX_factor 141079
get_FpXQX_mod 146583
FlxqX_div_pre 165412
znstar_get_U 176107
rowslicepermute 184790
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200559
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220438
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235943
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249623
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 283002
bnf_get_fu_nocheck 289088
bnf_get_tuU 303578
nf_get_G 304268
vec_prepend 313994
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334024
cxtoreal 337207
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 355198
ZM_hnfrem 363899
FqX_mul 367830
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384930
RgX_is_QX 400157
perm_conj 418299
FqX_Fq_mul 427289
FqX_extgcd 445090
Z_issquare 458921
nf_get_disc 463989
precdbl 475523
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519567
mkvec3s 524441
gdivsg 531592
addmuliu 535834
FqX_Fp_mul 572215
prec2nbits_mul 581165
vecsmall_ei 584732
ZM_ZV_mod 596611
RgC_fpnorml2 622153
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698438
coltrunc_init 740250
logint 754912
gcmpgs 761920
row 764016
rnf_get_nf 786030
ellff_get_a4a6 800033
zero_F2m_copy 845230
FpXX_renormalize 849896
zeropadic 855678
gmin_shallow 878345
affgr 898866
ZXQ_sqr 961156
cgetc 975460
Flx_lead 980544
polx_F2x 1078656
pr_norm 1090289
sstoQ 1097215
Fp_invsafe 1100568
Flx_mulu 1105501
vecsmall_max 1164700
mkfracss 1209563
RgV_isscalar 1210306
gen_I 1269835
RgX_is_monomial 1331803
mkoo 1332083
bnf_get_sunits 1367844
bnr_get_nf 1368174
rnf_get_absdegree 1392746
zero_Flx 1426883
guncloneNULL_deep 1441166
constant_coeff 1441433
Rg_col_ei 1451718
inf_get_sign 1453213
vecsmall_concat 1464437
nf_get_varn 1503798
bid_get_mod 1521921
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570726
uutoQ 1600198
nf_get_roots 1628601
bnf_get_gen 1680411
vec_ei 1714784
gsubgs 1724810
ulogint 1727854
mkvecsmall5 1731098
nf_get_roundG 1747601
abgrp_get_gen 1765122
ellinf 1869475
modpr_get_p 1888614
get_F2x_degree 1929088
killblock 1929836
Flx_div 1999188
ellnf_get_nf 2027646
ellff_get_field 2036874
bnr_get_bid 2046084
ell_get_j 2126227
bid_get_MOD 2157276
bid_get_sprk 2158004
ZXQ_mul 2162202
zv_copy 2184007
bid_get_fact2 2201599
gc_slice 2205093
pol_xn 2249973
pari_realloc_ip 2269220
bid_get_archp 2397103
bid_get_fact 2498954
get_F2x_mod 2499219
rnf_get_degree 2506307
bnr_get_cyc 2522595
get_F2x_var 2534262
ell_get_b4 2550216
Flv_copy 2555261
mul_content 2655060
RgX_coeff 2669861
vecslicepermute 2690844
hash_str 2756815
cyc_get_expo 2757848
perm_inv 2782999
sqrtnr 2809793
bnr_get_clgp 2830283
zero_Flm 2830519
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2874061
bnf_get_logfu 2874803
gisdouble 2993478
mkpolmod 3105222
Fq_red 3106270
bit_accuracy_mul 3175472
ZV_to_zv 3211421
identity_perm 3242941
F3m_coeff 3256663
identity_zv 3267291
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394590
vec_append 3465740
zero_F2v 3648435
bid_get_U 3680254
bnf_get_cyc 3686691
nf_get_index 3712404
bnr_get_bnf 3751402
pol_1 3756683
pol_x 3858416
ell_get_b6 3863115
mulsubii 3882000
pol1_F2x 3958287
vec_to_vecsmall 4036859
vecsmall_append 4111383
sqrfrac 4148249
vecsmall_copy 4404936
mkcol2s 4416244
F2x_equal 4659997
FpXQX_renormalize 4693288
mkmat 4751235
qfb_disc3 4995551
mkfraccopy 4999474
is_rational_t 5035719
bnf_get_clgp 5375651
nf_get_zkprimpart 5418548
nf_get_zkden 5464329
FpX_div 5583057
checkell_i 5593309
pari_stack_delete 5621413
isintm1 5711228
bid_get_cyc 5739800
bid_get_grp 5804653
col_ei 5927050
pari_stack_init 6087137
get_FpX_degree 6424938
Flm_copy 6435517
sqrti 6666939
get_FpX_var 6958167
RgX_div 7000740
vecsmall_lexcmp 7043253
ell_get_a2 7106188
ZM_lll 7118115
RgX_gtofp 7148011
znstar_get_faN 7331711
ell_get_b2 7371029
ZX_is_monic 7376207
zc_to_ZC 7824264
vecsmall_to_col 7838446
znstar_get_conreycyc 7979693
F2m_coeff 8039496
Q_abs 8064365
mkintmod 8092611
ZV_ZV_mod 8131609
RgM_gtofp 8260080
Flx_equal1 8331158
gc_INT_affii 8496655
ell_get_a4 8536729
Flm_row 8742549
ell_get_a3 8814055
ell_get_a1 8997087
cxtofp 9085135
veclast 9372753
ismpzero 9586541
is_intreal_t 9586654
const_col 9730292
RgM_dimensions 9742314
nf_get_invzk 9769551
bnf_get_nf 9864955
mkvec4 10107054
ser_isexactzero 10120284
ell_get_a6 10370967
mkcol 10641584
ZC_hnfrem 10696824
mul_denom 10713436
ell_get_c4 11017824
Fp_addmul 11364518
vectrunc_init 12067326
pr_get_gen 12069859
abgrp_get_cyc 12231316
F2x_clear 12357385
F2v_clear 12357405
ell_get_type 12499243
nbits2nlong 12679196
pol0_F2x 13247709
ell_get_c6 13474221
gmax_shallow 13510228
modpr_get_T 13867998
closure_get_frame 14173978
zeromatcopy 14252214
rowpermute 14710921
Fp_div 15035047
Fp_divu 15129534
mkvec5 15187121
pr_get_e 16105705
vectrunc_append 16163089
ell_get_disc 16814871
matslice 16823922
pr_is_inert 17150796
normalize_frac 17206584
isint1 17587192
mkvecsmall4 17832124
Fp_center_i 18052718
cxcompotor 18222030
qfb_disc 18514491
const_vecsmall 19712089
vecpermute 20543716
nf_get_M 21308368
Flx_div_pre 21715810
RgM_shallowcopy 22179727
Fp_double 22276357
RgX_is_ZX 22426251
gmulgs 22601809
nf_get_r1 23029038
ZV_isscalar 23235832
Fp_inv 23444508
get_Flx_mod 25610115
pr_get_f 26350677
RgX_equal_var 26883215
shallowcopy 27642960
mkqfb 27929224
zerovec 28455808
modpr_get_pr 31238955
Fp_neg 31482790
hash_str_len 31551659
RgV_is_ZV 32167327
submulii 32848628
mkmat2 33663731
RgC_gtofp 34044477
const_vec 34490358
zero_zv 36747114
polx_Flx 37838911
lincombii 38217541
znstar_get_N 38655073
mkfrac 41644468
zeropol 42358724
powii 43179024
is_vec_t 43962776
closure_is_variadic 44827221
absfrac 46644827
guncloneNULL 48227707
pr_get_tau 49577770
mkmat22 50284926
ell_is_inf 52482735
QV_isscalar 54419136
pol1_Flx 55094660
zero_Flv 59573210
addmuliu_inplace 59714565
submuliu_inplace 60203352
F2x_copy 60438365
gtodouble 60799729
is_real_t 62063898
qfb_is_qfi 62927670
Fp_sqr 64453834
get_Flx_var 68417033
Fp_mulu 70664775
mkvec 71149300
nf_get_degree 71372152
Fp_center 77226488
vecsmallpermute 78737283
rowslice 79348367
sqrtr 80384470
perm_mul 80932879
Fp_red 82085631
pol_0 83002312
get_Flx_degree 83775412
gtos 85854581
is_noncalc_t 85879118
cxnorm 91218955
mkcomplex 91636990
pr_get_p 92491845
dbllog2r 92833766
nf_get_pol 98086724
F2v_set 101405619
vecsmalltrunc_append 101498042
cgiv 102280898
RgX_copy 103409227
pol0_Flx 103535135
prec2nbits 103969282
mkvecsmall3 104049602
vecsmall_prefixcmp 108088071
gc_all 110028716
F2x_renormalize 115200925
mkvec3 122217434
zerocol 122361801
gaddgs 123248640
both_odd 123994250
F2x_set 124749664
nchar2nlong 127439583
mkvecsmall 131711027
equalim1 139505941
bit_prec 142848964
FpX_renormalize 144586873
ZX_renormalize 155035424
mkcol2 156894076
nbrows 157540556
leading_coeff 170558065
Flx_copy 173822903
Fp_add 181478740
nbits2prec 186161941
mkvec2 186180989
vecsmalltrunc_init 192306472
Fp_mul 201049786
Fp_sub 203472443
mkvecsmall2 233678874
gtofp 254403977
gc_GEN 256249322
gmulgu 282059385
lg_increase 321286932
closure_get_data 321396754
closure_get_oper 321425530
closure_codestr 321446246
is_universal_constant 325796131
lgcols 350859728
closure_arity 371313873
is_scalar_t 375679345
bin_copy 497450216
pari_free 510857302
is_bigint 562984103
leafcopy_avma 577150253
vecslice 656282778
is_matvec_t 659397340
F2v_coeff 661335872
F2x_coeff 667951194
pari_malloc 746753588
pari_stack_new 924945768
GENbinbase 964583333
pari_stack_alloc 1019633752
pari_stack_base 1025233784
gc_leaf 1138600081
equali1 1175729572
nbits2extraprec 1457001522
gc_upto 1951276506
odd 2085513878
is_pm1 2205071384
lgpol 2690291020
isintzero 2843180358
bit_accuracy 3163731144
gc_INT 4110930685
prec2lg 4468408102
is_const_t 4894324457
degpol 5520468980
remsBIL 8006862370
icopy_avma 8042520930
divsBIL 8096896741
isonstack 8271371504
is_recursive_t 9240452299

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