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 30558-88b7dc3357) Lines: 1419 1532 92.6 %
Date: 2025-11-26 09:22:00 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 22082
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22788
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 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 33501
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 37840
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 58476
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 74577
bnr_get_mod 77119
gal_get_group 80393
mkcol3 88314
gtou 98319
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108847
zeromat 109071
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114571
Q_abs_shallow 120243
mkmatcopy 122231
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138522
zeroser 138908
RgV_is_QV 140762
FqX_factor 141072
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 184790
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200505
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 235918
gchar_get_nf 243946
Fp_halve 247348
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 283001
bnf_get_fu_nocheck 289067
nf_get_G 303530
bnf_get_tuU 303578
vec_prepend 313995
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334016
cxtoreal 337207
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 355178
ZM_hnfrem 363832
FqX_mul 367817
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384902
RgX_is_QX 400147
perm_conj 418299
FqX_Fq_mul 427289
FqX_extgcd 445046
Z_issquare 458918
nf_get_disc 463871
precdbl 475504
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503010
vecsmall_to_vec 511809
nf_get_sign 519550
mkvec3s 524441
gdivsg 531589
addmuliu 535737
FqX_Fp_mul 572118
prec2nbits_mul 581167
vecsmall_ei 584712
ZM_ZV_mod 596580
RgC_fpnorml2 622073
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754893
gcmpgs 761930
row 764005
rnf_get_nf 786030
ellff_get_a4a6 800021
zero_F2m_copy 845126
FpXX_renormalize 849896
zeropadic 855511
gmin_shallow 878309
affgr 898866
ZXQ_sqr 961096
cgetc 975460
Flx_lead 979468
polx_F2x 1078586
pr_norm 1088510
sstoQ 1097215
Fp_invsafe 1100542
Flx_mulu 1105499
vecsmall_max 1164710
mkfracss 1209563
RgV_isscalar 1210301
gen_I 1269839
RgX_is_monomial 1331787
mkoo 1332031
bnf_get_sunits 1367780
bnr_get_nf 1368110
rnf_get_absdegree 1392746
zero_Flx 1426686
constant_coeff 1441398
guncloneNULL_deep 1441820
Rg_col_ei 1451298
inf_get_sign 1453136
vecsmall_concat 1464424
nf_get_varn 1503726
bid_get_mod 1521922
F2m_flip 1554251
F2v_flip 1554251
F2x_flip 1554251
F2x_div 1570016
uutoQ 1600198
nf_get_roots 1627777
bnf_get_gen 1680313
vec_ei 1714591
gsubgs 1724810
ulogint 1728501
mkvecsmall5 1731096
nf_get_roundG 1746572
abgrp_get_gen 1765025
ellinf 1869273
modpr_get_p 1888432
get_F2x_degree 1928938
killblock 1929154
Flx_div 1998991
ellnf_get_nf 2027624
ellff_get_field 2036840
bnr_get_bid 2045860
ell_get_j 2126227
bid_get_MOD 2157246
bid_get_sprk 2157983
ZXQ_mul 2162082
zv_copy 2183873
bid_get_fact2 2201570
gc_slice 2204862
pol_xn 2249958
pari_realloc_ip 2267614
bid_get_archp 2397057
bid_get_fact 2498905
get_F2x_mod 2499058
rnf_get_degree 2506307
bnr_get_cyc 2522325
get_F2x_var 2534058
ell_get_b4 2550216
Flv_copy 2555129
mul_content 2653922
RgX_coeff 2669861
vecslicepermute 2690240
hash_str 2756815
cyc_get_expo 2757759
perm_inv 2782930
sqrtnr 2808698
bnr_get_clgp 2829999
zero_Flm 2830260
rnf_get_pol 2845164
znstar_get_pe 2868790
F2x_equal1 2873787
bnf_get_logfu 2874692
gisdouble 2987653
mkpolmod 3105126
Fq_red 3106410
bit_accuracy_mul 3175472
ZV_to_zv 3211415
identity_perm 3242682
F3m_coeff 3256661
identity_zv 3267032
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394530
vec_append 3465560
zero_F2v 3648133
bid_get_U 3680226
bnf_get_cyc 3686066
nf_get_index 3711359
bnr_get_bnf 3750894
pol_1 3756420
pol_x 3858282
ell_get_b6 3863115
mulsubii 3881460
pol1_F2x 3956708
vec_to_vecsmall 4036815
vecsmall_append 4111371
sqrfrac 4148181
vecsmall_copy 4404195
mkcol2s 4416244
F2x_equal 4654798
FpXQX_renormalize 4693020
mkmat 4750844
qfb_disc3 4990819
mkfraccopy 4999317
is_rational_t 5035360
bnf_get_clgp 5374923
nf_get_zkprimpart 5416654
nf_get_zkden 5462496
FpX_div 5581187
checkell_i 5593304
pari_stack_delete 5622845
isintm1 5711086
bid_get_cyc 5739520
bid_get_grp 5804378
col_ei 5925968
pari_stack_init 6084380
get_FpX_degree 6424749
Flm_copy 6433632
sqrti 6665962
get_FpX_var 6957827
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106177
ZM_lll 7112529
RgX_gtofp 7147586
znstar_get_faN 7330731
ell_get_b2 7371028
ZX_is_monic 7376004
zc_to_ZC 7823766
vecsmall_to_col 7837951
znstar_get_conreycyc 7978902
F2m_coeff 8039339
Q_abs 8064010
mkintmod 8092545
ZV_ZV_mod 8131246
RgM_gtofp 8252651
Flx_equal1 8330928
gc_INT_affii 8491273
ell_get_a4 8536718
Flm_row 8742370
ell_get_a3 8814043
ell_get_a1 8997075
cxtofp 9084293
veclast 9372646
ismpzero 9583557
is_intreal_t 9583660
const_col 9729871
RgM_dimensions 9742078
nf_get_invzk 9765904
bnf_get_nf 9863698
mkvec4 10106174
ser_isexactzero 10120284
ell_get_a6 10370956
mkcol 10640979
ZC_hnfrem 10690776
mul_denom 10710483
ell_get_c4 11017947
Fp_addmul 11370847
pr_get_gen 12062787
vectrunc_init 12065993
abgrp_get_cyc 12230154
F2x_clear 12355692
F2v_clear 12355701
ell_get_type 12499257
nbits2nlong 12674552
pol0_F2x 13233169
ell_get_c6 13474411
gmax_shallow 13510219
modpr_get_T 13867677
closure_get_frame 14170041
zeromatcopy 14240544
rowpermute 14709865
Fp_div 15035350
Fp_divu 15129783
mkvec5 15185255
pr_get_e 15953085
vectrunc_append 16162769
ell_get_disc 16814834
matslice 16818187
pr_is_inert 16910231
normalize_frac 17205547
isint1 17586544
mkvecsmall4 17833999
Fp_center_i 18060248
cxcompotor 18220371
qfb_disc 18514465
const_vecsmall 19707189
vecpermute 20531638
nf_get_M 21171738
Flx_div_pre 21701501
RgM_shallowcopy 22170595
Fp_double 22309878
RgX_is_ZX 22422417
gmulgs 22506409
nf_get_r1 22892300
ZV_isscalar 23097906
Fp_inv 23439898
get_Flx_mod 25600773
pr_get_f 26041890
RgX_equal_var 26883185
shallowcopy 27639920
mkqfb 27919733
zerovec 28455482
modpr_get_pr 31238309
Fp_neg 31477653
hash_str_len 31550257
RgV_is_ZV 32166721
submulii 32847732
mkmat2 33658112
RgC_gtofp 34013193
const_vec 34478990
zero_zv 36736241
polx_Flx 37829858
lincombii 38200869
znstar_get_N 38653757
mkfrac 41642485
zeropol 42358724
powii 43178317
is_vec_t 43970253
closure_is_variadic 44820861
absfrac 46643585
guncloneNULL 48225511
pr_get_tau 48872283
mkmat22 50278162
ell_is_inf 52477988
QV_isscalar 54402563
pol1_Flx 55070553
zero_Flv 59494218
addmuliu_inplace 59700508
submuliu_inplace 60196474
F2x_copy 60369610
gtodouble 60795780
is_real_t 62063859
qfb_is_qfi 62946542
Fp_sqr 64473661
Fp_mulu 67709459
get_Flx_var 68386940
mkvec 71162306
nf_get_degree 71352213
Fp_center 77251618
vecsmallpermute 78733278
rowslice 79338996
sqrtr 80366061
perm_mul 80928921
Fp_red 82081102
get_Flx_degree 82262025
pol_0 83002164
gtos 85854587
is_noncalc_t 85865230
cxnorm 90945201
mkcomplex 91627810
pr_get_p 91709449
dbllog2r 92826770
nf_get_pol 98059719
F2v_set 101404514
vecsmalltrunc_append 101462791
cgiv 102125569
RgX_copy 103409029
pol0_Flx 103488772
prec2nbits 103962485
mkvecsmall3 104041387
vecsmall_prefixcmp 108088071
gc_all 110006756
F2x_renormalize 115215259
mkvec3 117739519
zerocol 122289432
gaddgs 123248630
both_odd 124216190
F2x_set 124744432
nchar2nlong 127410166
mkvecsmall 131660241
equalim1 139505659
bit_prec 142671196
FpX_renormalize 144577703
ZX_renormalize 155019896
mkcol2 156869307
nbrows 157480219
leading_coeff 170552946
Flx_copy 173778800
Fp_add 181507943
mkvec2 184673416
nbits2prec 186141054
vecsmalltrunc_init 189392226
Fp_mul 201069845
Fp_sub 203510564
mkvecsmall2 233638969
gtofp 254252873
gc_GEN 256222522
gmulgu 282059385
lg_increase 314434037
closure_get_data 321385557
closure_get_oper 321411687
closure_codestr 321433776
is_universal_constant 325851082
lgcols 350254402
closure_arity 371303544
is_scalar_t 375669474
bin_copy 497336927
pari_free 510744343
is_bigint 562613998
leafcopy_avma 576719541
vecslice 656030318
is_matvec_t 659359128
F2v_coeff 661330404
F2x_coeff 667849878
pari_malloc 746638310
pari_stack_new 924895084
GENbinbase 964371442
pari_stack_alloc 1019575155
pari_stack_base 1025185989
gc_leaf 1133161498
equali1 1175201334
nbits2extraprec 1456730016
gc_upto 1949166065
odd 2084956383
is_pm1 2202648782
lgpol 2684325892
isintzero 2838735669
bit_accuracy 3162675951
gc_INT 4104528981
prec2lg 4467326842
is_const_t 4889657447
degpol 5503623754
remsBIL 8005272981
icopy_avma 8035659835
divsBIL 8095124699
isonstack 8256453226
is_recursive_t 9238456521

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