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 30590-f14e077362) Lines: 1422 1535 92.6 %
Date: 2025-12-31 09:21:49 Functions: 649 707 91.8 %
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
mkvec5s 0
mkvec6 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 119
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
mkvec6s 301
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 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 4445
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6006
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 7700
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 8365
vectrunc_append_batch 9667
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
ZX_equal1 12850
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15435
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 18960
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22084
gtomp 22428
RgM_fpnorml2 22661
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23758
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27867
gal_get_invvdm 27874
absfrac_shallow 28237
gequalgs 29176
zerovec_block 29654
gener_Fq_local 29946
gal_get_roots 32732
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33547
Qtoss 35322
gal_get_pol 36316
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
F2v_to_F2x 37535
FqX_rem 37743
FqX_div 38566
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47713
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58518
RgX_fpnorml2 61495
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64645
RgX_is_rational 68165
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69699
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73652
vecsmall_shorten 75641
bnr_get_mod 77117
gal_get_group 80388
mkcol3 88314
gtou 99531
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108783
zeromat 109097
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114506
Q_abs_shallow 120222
mkmatcopy 122240
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138455
zeroser 138908
RgV_is_QV 140729
FqX_factor 140946
get_FpXQX_mod 146583
FlxqX_div_pre 165415
znstar_get_U 176107
rowslicepermute 184716
vecsmall_prepend 186970
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200471
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220245
mkcol6 232470
ellR_get_prec 232750
zero_Flm_copy 238203
gchar_get_nf 243946
Fp_halve 247271
affc_fixlg 249622
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277490
gchar_get_zm 281911
bnf_get_tuN 283003
bnf_get_fu_nocheck 289079
bnf_get_tuU 303577
nf_get_G 303786
vec_prepend 313996
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334021
cxtoreal 337207
upr_norm 346133
RgX_renormalize 349807
abgrp_get_no 354944
ZM_hnfrem 363789
FqX_mul 367703
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384922
RgX_is_QX 399922
perm_conj 418299
FqX_Fq_mul 427294
FqX_extgcd 444662
Z_issquare 458707
nf_get_disc 463478
precdbl 475379
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 502982
vecsmall_to_vec 511781
nf_get_sign 519545
mkvec3s 524441
gdivsg 531588
addmuliu 535790
FqX_Fp_mul 571436
prec2nbits_mul 581167
vecsmall_ei 584718
ZM_ZV_mod 596482
RgC_fpnorml2 619833
FqX_is_squarefree 683802
vecreverse 697277
mkrfrac 698439
coltrunc_init 740250
logint 754841
gcmpgs 761917
row 763901
rnf_get_nf 786086
ellff_get_a4a6 800034
zero_F2m_copy 845008
FpXX_renormalize 849917
zeropadic 855483
gmin_shallow 877661
affgr 898866
ZXQ_sqr 960434
cgetc 975460
Flx_lead 978895
polx_F2x 1072500
pr_norm 1089384
sstoQ 1097215
Fp_invsafe 1100355
Flx_mulu 1105489
vecsmall_max 1164150
mkfracss 1209563
RgV_isscalar 1210276
gen_I 1269708
RgX_is_monomial 1331344
mkoo 1331878
bnf_get_sunits 1367775
bnr_get_nf 1368099
rnf_get_absdegree 1392746
guncloneNULL_deep 1425290
zero_Flx 1426901
constant_coeff 1441129
Rg_col_ei 1451028
inf_get_sign 1452914
vecsmall_concat 1464190
nf_get_varn 1503583
bid_get_mod 1521922
F2m_flip 1553054
F2v_flip 1553054
F2x_flip 1553054
F2x_div 1555492
uutoQ 1600198
nf_get_roots 1627805
bnf_get_gen 1680302
ulogint 1713191
vec_ei 1713855
mkvecsmall5 1717484
gsubgs 1724807
nf_get_roundG 1747109
abgrp_get_gen 1765015
ellinf 1869967
modpr_get_p 1888403
killblock 1916450
get_F2x_degree 1928971
Flx_div 1998010
ellnf_get_nf 2027245
ellff_get_field 2036871
bnr_get_bid 2046093
ell_get_j 2126269
bid_get_MOD 2157247
bid_get_sprk 2157977
ZXQ_mul 2161294
zv_copy 2183802
bid_get_fact2 2201569
gc_slice 2204245
pol_xn 2249257
pari_realloc_ip 2255658
bid_get_archp 2397110
bid_get_fact 2498928
get_F2x_mod 2499139
rnf_get_degree 2506335
bnr_get_cyc 2522547
get_F2x_var 2533900
ell_get_b4 2550216
Flv_copy 2555060
mul_content 2654206
RgX_coeff 2669861
vecslicepermute 2689679
hash_str 2756815
cyc_get_expo 2757542
perm_inv 2781879
sqrtnr 2809069
zero_Flm 2829507
bnr_get_clgp 2830224
rnf_get_pol 2845192
znstar_get_pe 2869063
F2x_equal1 2873891
bnf_get_logfu 2874748
gisdouble 2991884
mkpolmod 3103724
Fq_red 3106667
bit_accuracy_mul 3175472
ZV_to_zv 3211408
identity_perm 3241420
F3m_coeff 3255916
identity_zv 3265770
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394355
vec_append 3465041
zero_F2v 3647428
bid_get_U 3680228
bnf_get_cyc 3686144
nf_get_index 3711333
bnr_get_bnf 3751379
pol_1 3755730
pol_x 3856885
ell_get_b6 3863115
mulsubii 3881709
pol1_F2x 3957300
vec_to_vecsmall 4036619
vecsmall_append 4099570
sqrfrac 4148174
vecsmall_copy 4403941
mkcol2s 4416244
F2x_equal 4602025
FpXQX_renormalize 4694444
mkmat 4750844
qfb_disc3 4994677
mkfraccopy 4999560
is_rational_t 5032322
bnf_get_clgp 5374986
nf_get_zkprimpart 5417433
nf_get_zkden 5463190
pari_stack_delete 5546054
FpX_div 5581185
checkell_i 5593289
isintm1 5710225
bid_get_cyc 5739813
bid_get_grp 5804567
col_ei 5924648
pari_stack_init 6049324
get_FpX_degree 6424413
Flm_copy 6433471
sqrti 6664614
get_FpX_var 6958105
RgX_div 7000641
vecsmall_lexcmp 7043259
ell_get_a2 7106186
ZM_lll 7116338
RgX_gtofp 7144830
znstar_get_faN 7331711
ell_get_b2 7371032
ZX_is_monic 7374299
zc_to_ZC 7824102
vecsmall_to_col 7838284
znstar_get_conreycyc 7979693
F2m_coeff 8035122
Q_abs 8062557
mkintmod 8092670
ZV_ZV_mod 8131514
RgM_gtofp 8257773
Flx_equal1 8329851
gc_INT_affii 8492884
ell_get_a4 8536727
Flm_row 8741333
ell_get_a3 8814056
ell_get_a1 8997088
cxtofp 9079738
veclast 9372703
ismpzero 9585730
is_intreal_t 9585825
const_col 9729646
RgM_dimensions 9741320
nf_get_invzk 9767438
bnf_get_nf 9863866
mkvec4 10093634
ser_isexactzero 10120284
ell_get_a6 10370965
mkcol 10639946
ZC_hnfrem 10695914
mul_denom 10710987
ell_get_c4 11017880
Fp_addmul 11275908
vectrunc_init 11768813
pr_get_gen 12066951
abgrp_get_cyc 12230767
F2v_clear 12351868
F2x_clear 12351874
ell_get_type 12499099
nbits2nlong 12750531
pol0_F2x 13190321
ell_get_c6 13474270
gmax_shallow 13510198
modpr_get_T 13867528
closure_get_frame 14157666
zeromatcopy 14248380
rowpermute 14705335
Fp_div 15035854
Fp_divu 15130404
mkvec5 15185654
vectrunc_append 15853427
pr_get_e 16101735
ell_get_disc 16813941
matslice 16819061
pr_is_inert 17145872
normalize_frac 17205689
isint1 17584767
Fp_center_i 18035185
cxcompotor 18211305
qfb_disc 18502511
mkvecsmall4 18670339
const_vecsmall 19699681
vecpermute 20542901
Fp_double 20976410
nf_get_M 21306777
Flx_div_pre 21691720
RgM_shallowcopy 22172940
RgX_is_ZX 22423217
gmulgs 22593094
nf_get_r1 23027222
ZV_isscalar 23233577
Fp_inv 23438495
get_Flx_mod 25594168
pr_get_f 26341622
RgX_equal_var 26883025
shallowcopy 27626695
mkqfb 27927471
zerovec 28453466
modpr_get_pr 31237841
Fp_neg 31480592
hash_str_len 31544535
RgV_is_ZV 32158327
submulii 32838828
mkmat2 33652542
RgC_gtofp 34030915
const_vec 34471283
zero_zv 36717360
polx_Flx 37488342
lincombii 38210889
znstar_get_N 38655073
mkfrac 41641987
zeropol 42354022
powii 43126908
is_vec_t 43950977
closure_is_variadic 44789330
absfrac 46638360
guncloneNULL 47921065
pr_get_tau 49564250
mkmat22 50256971
ell_is_inf 52357904
QV_isscalar 54414739
pol1_Flx 55054554
zero_Flv 59640531
addmuliu_inplace 59643344
F2x_copy 59699250
submuliu_inplace 60133273
gtodouble 60783339
is_real_t 62062466
qfb_is_qfi 62325685
Fp_sqr 64191445
Fp_mulu 67528769
get_Flx_var 68350956
mkvec 71153098
nf_get_degree 71364041
Fp_center 77233746
vecsmallpermute 78703552
rowslice 79330305
sqrtr 80377055
perm_mul 80898887
Fp_red 82188148
get_Flx_degree 82223223
pol_0 82996683
gtos 85855666
is_noncalc_t 85875391
cxnorm 91203822
mkcomplex 91615787
pr_get_p 92475153
dbllog2r 92819989
nf_get_pol 98072535
vecsmalltrunc_append 100909523
F2v_set 101400440
cgiv 102251697
RgX_copy 103406648
pol0_Flx 103434516
prec2nbits 103969243
mkvecsmall3 104183402
vecsmall_prefixcmp 108088071
gc_all 109630324
F2x_renormalize 114314713
mkvec3 117668444
zerocol 122322424
gaddgs 123248644
both_odd 124076990
F2x_set 124534102
nchar2nlong 127382486
mkvecsmall 131588625
equalim1 139505350
bit_prec 142812899
FpX_renormalize 144221558
ZX_renormalize 155019640
mkcol2 156825117
nbrows 157440339
leading_coeff 170261736
Flx_copy 173219610
Fp_add 181234583
mkvec2 185031911
nbits2prec 186132869
vecsmalltrunc_init 189487127
Fp_mul 200839430
Fp_sub 203430491
mkvecsmall2 234862170
gtofp 254311549
gc_GEN 255498176
gmulgu 282059385
lg_increase 316091001
closure_get_data 321374337
closure_get_oper 321398363
closure_codestr 321415835
is_universal_constant 325839062
lgcols 350619238
closure_arity 371281365
is_scalar_t 375661183
bin_copy 496003083
pari_free 509358182
is_bigint 562946192
leafcopy_avma 577283767
vecslice 656311366
is_matvec_t 659427591
F2v_coeff 661300213
F2x_coeff 667894943
pari_malloc 745265883
pari_stack_new 924912134
GENbinbase 961789108
pari_stack_alloc 1019592617
pari_stack_base 1025097486
gc_leaf 1135690397
equali1 1174240621
nbits2extraprec 1457371250
gc_upto 1952073674
odd 2089099040
is_pm1 2203107782
lgpol 2682827571
isintzero 2843490898
bit_accuracy 3152537707
gc_INT 4108266342
prec2lg 4471027690
is_const_t 4894711992
degpol 5492277381
remsBIL 7996784384
icopy_avma 8036452727
divsBIL 8087735209
isonstack 8267338652
is_recursive_t 9234667699

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