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 30532-0c728fd268) Lines: 1419 1532 92.6 %
Date: 2025-10-18 09:22:31 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 350
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 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
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
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
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
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11556
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
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 22083
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22780
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 33237
mkcolcopy 33509
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 37903
FqX_div 38546
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41507
znstar_get_Ui 46788
pari_calloc 47671
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 62530
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68304
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 74572
bnr_get_mod 77119
gal_get_group 80393
mkcol3 88314
gtou 98306
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108848
zeromat 109128
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114572
Q_abs_shallow 120237
mkmatcopy 122246
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138523
zeroser 138824
RgV_is_QV 140761
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165415
znstar_get_U 176107
rowslicepermute 184741
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200503
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220419
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235914
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249595
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277496
gchar_get_zm 281911
bnf_get_tuN 283008
bnf_get_fu_nocheck 289078
bnf_get_tuU 303569
nf_get_G 303606
vec_prepend 313993
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333163
cxtoreal 337176
upr_norm 346134
RgX_renormalize 349807
abgrp_get_no 355188
ZM_hnfrem 363854
FqX_mul 367813
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384896
RgX_is_QX 400124
perm_conj 418299
FqX_Fq_mul 427287
FqX_extgcd 445051
Z_issquare 458922
nf_get_disc 463866
precdbl 475507
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503010
vecsmall_to_vec 511585
nf_get_sign 519552
mkvec3s 524441
gdivsg 531336
addmuliu 541002
FqX_Fp_mul 572117
prec2nbits_mul 581137
vecsmall_ei 584723
ZM_ZV_mod 596595
RgC_fpnorml2 622078
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 755038
gcmpgs 761926
row 764004
rnf_get_nf 786030
ellff_get_a4a6 800024
zero_F2m_copy 845093
FpXX_renormalize 849896
zeropadic 855687
gmin_shallow 878316
affgr 898817
ZXQ_sqr 960989
cgetc 975622
Flx_lead 980357
polx_F2x 1078235
pr_norm 1088609
sstoQ 1097215
Fp_invsafe 1100353
Flx_mulu 1105186
vecsmall_max 1164494
mkfracss 1209563
RgV_isscalar 1210302
gen_I 1269818
RgX_is_monomial 1331324
mkoo 1332046
bnf_get_sunits 1367783
bnr_get_nf 1368110
guncloneNULL_deep 1388700
rnf_get_absdegree 1392746
zero_Flx 1426983
constant_coeff 1441487
Rg_col_ei 1451305
inf_get_sign 1453153
vecsmall_concat 1464420
nf_get_varn 1503604
bid_get_mod 1521921
F2m_flip 1553948
F2v_flip 1553948
F2x_flip 1553948
F2x_div 1569804
uutoQ 1600142
nf_get_roots 1627848
bnf_get_gen 1680309
vec_ei 1714605
gsubgs 1724195
ulogint 1726250
mkvecsmall5 1730595
nf_get_roundG 1746640
abgrp_get_gen 1765021
ellinf 1868515
modpr_get_p 1888432
killblock 1902036
get_F2x_degree 1928868
Flx_div 1999039
ellnf_get_nf 2027605
ellff_get_field 2036837
bnr_get_bid 2045871
ell_get_j 2126227
bid_get_MOD 2157253
bid_get_sprk 2157974
ZXQ_mul 2161953
pari_realloc_ip 2180101
zv_copy 2184093
bid_get_fact2 2201573
gc_slice 2204886
pol_xn 2249918
bid_get_archp 2397090
bid_get_fact 2498922
get_F2x_mod 2499183
rnf_get_degree 2506307
bnr_get_cyc 2522348
get_F2x_var 2533972
ell_get_b4 2549033
Flv_copy 2555353
mul_content 2654159
RgX_coeff 2669371
vecslicepermute 2689670
hash_str 2754915
cyc_get_expo 2757777
perm_inv 2782816
sqrtnr 2807608
bnr_get_clgp 2830038
zero_Flm 2830198
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2874101
bnf_get_logfu 2874719
gisdouble 2987866
mkpolmod 3105017
Fq_red 3106322
bit_accuracy_mul 3175454
ZV_to_zv 3211414
identity_perm 3242547
F3m_coeff 3256762
identity_zv 3266897
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394315
vec_append 3465601
zero_F2v 3648064
bid_get_U 3680231
bnf_get_cyc 3686061
nf_get_index 3711300
bnr_get_bnf 3750900
pol_1 3756288
pol_x 3856882
ell_get_b6 3861932
mulsubii 3881858
pol1_F2x 3956430
vec_to_vecsmall 4036830
vecsmall_append 4111371
sqrfrac 4147774
vecsmall_copy 4404131
mkcol2s 4416244
F2x_equal 4656883
FpXQX_renormalize 4693251
mkmat 4750940
qfb_disc3 4990871
mkfraccopy 4998935
is_rational_t 5035186
bnf_get_clgp 5374910
pari_stack_delete 5397578
nf_get_zkprimpart 5416349
nf_get_zkden 5462207
FpX_div 5581090
checkell_i 5593226
isintm1 5704181
bid_get_cyc 5739552
bid_get_grp 5804396
pari_stack_init 5835225
col_ei 5925856
get_FpX_degree 6424251
Flm_copy 6433602
sqrti 6665670
get_FpX_var 6957925
RgX_div 7000740
vecsmall_lexcmp 7043221
ell_get_a2 7105460
ZM_lll 7112360
RgX_gtofp 7147615
znstar_get_faN 7330731
ell_get_b2 7369851
ZX_is_monic 7375963
zc_to_ZC 7823534
vecsmall_to_col 7837715
znstar_get_conreycyc 7978902
F2m_coeff 8038744
Q_abs 8062548
mkintmod 8092648
ZV_ZV_mod 8131273
RgM_gtofp 8252131
Flx_equal1 8327188
gc_INT_affii 8486395
ell_get_a4 8536001
Flm_row 8742228
ell_get_a3 8813332
ell_get_a1 8996364
cxtofp 9081878
veclast 9372648
ismpzero 9583593
is_intreal_t 9583696
const_col 9729878
RgM_dimensions 9742367
nf_get_invzk 9765352
bnf_get_nf 9863723
ser_isexactzero 10079479
mkvec4 10105868
ell_get_a6 10370239
mkcol 10640990
ZC_hnfrem 10690843
mul_denom 10709973
ell_get_c4 10728575
Fp_addmul 11395794
pr_get_gen 12062229
vectrunc_init 12066719
abgrp_get_cyc 12230209
F2x_clear 12355250
F2v_clear 12355253
ell_get_type 12499133
nbits2nlong 12642868
ell_get_c6 12891968
pol0_F2x 13236130
gmax_shallow 13510221
modpr_get_T 13867609
closure_get_frame 14147516
zeromatcopy 14239995
rowpermute 14709104
Fp_div 15035301
Fp_divu 15134991
mkvec5 15184854
pr_get_e 15952704
vectrunc_append 16162463
ell_get_disc 16525484
matslice 16817294
pr_is_inert 16910176
normalize_frac 17204401
isint1 17571856
mkvecsmall4 17829876
Fp_center_i 18039480
cxcompotor 18215386
qfb_disc 18514495
const_vecsmall 19663613
vecpermute 20530281
nf_get_M 21172058
Flx_div_pre 21701980
RgM_shallowcopy 22170117
Fp_double 22357160
RgX_is_ZX 22421867
gmulgs 22505278
nf_get_r1 22892611
ZV_isscalar 23098231
Fp_inv 23437824
get_Flx_mod 25598086
pr_get_f 26041037
RgX_equal_var 26880624
shallowcopy 27640267
mkqfb 27919833
zerovec 28455424
Fp_neg 30901285
modpr_get_pr 31237990
hash_str_len 31542920
RgV_is_ZV 32164053
submulii 32847018
mkmat2 33658220
RgC_gtofp 34010177
const_vec 34470232
zero_zv 36733931
polx_Flx 37823114
lincombii 38193941
znstar_get_N 38653757
closure_is_variadic 40152894
mkfrac 41639284
zeropol 42358575
powii 43176783
is_vec_t 43961492
absfrac 46637745
guncloneNULL 48156675
pr_get_tau 48871840
mkmat22 50281203
ell_is_inf 52498622
QV_isscalar 54401540
pol1_Flx 55052238
zero_Flv 59490996
addmuliu_inplace 59698019
submuliu_inplace 60193088
F2x_copy 60400862
gtodouble 60763743
is_real_t 62659219
qfb_is_qfi 62941258
Fp_sqr 64700113
Fp_mulu 67189704
get_Flx_var 68353666
mkvec 71125633
nf_get_degree 71351181
Fp_center 77212473
vecsmallpermute 78726178
rowslice 79326106
sqrtr 80369015
perm_mul 80921625
Fp_red 82090387
get_Flx_degree 82218902
pol_0 82998252
gtos 85833260
is_noncalc_t 85861595
cxnorm 90944021
mkcomplex 91621242
pr_get_p 91708971
dbllog2r 94006095
nf_get_pol 98056769
F2v_set 101403797
vecsmalltrunc_append 101458481
cgiv 102118887
RgX_copy 103404657
pol0_Flx 103487112
mkvecsmall3 104042885
prec2nbits 105718059
vecsmall_prefixcmp 108088071
gc_all 109991303
F2x_renormalize 115209792
mkvec3 117722364
zerocol 122283693
gaddgs 123245790
both_odd 123979494
F2x_set 124707870
nchar2nlong 127390099
mkvecsmall 131649338
equalim1 139504410
bit_prec 143011777
FpX_renormalize 144583713
ZX_renormalize 155026938
mkcol2 156915313
nbrows 157467978
leading_coeff 170555139
Flx_copy 173770267
Fp_add 181628371
mkvec2 183929883
nbits2prec 187645154
vecsmalltrunc_init 187854427
Fp_mul 201105376
Fp_sub 203568867
mkvecsmall2 233609124
gtofp 254207980
gc_GEN 256145053
gmulgu 282058131
lg_increase 310519396
closure_get_data 321536400
closure_get_oper 321576250
closure_codestr 321598610
is_universal_constant 325829053
lgcols 350234584
closure_arity 371433840
is_scalar_t 375643271
bin_copy 497266885
pari_free 510587887
is_bigint 562559552
leafcopy_avma 577162783
vecslice 655933680
is_matvec_t 660095659
F2v_coeff 661326164
F2x_coeff 667817654
pari_malloc 746520652
pari_stack_new 924931792
GENbinbase 964233589
pari_stack_alloc 1019548100
pari_stack_base 1024927381
gc_leaf 1132506124
equali1 1175142072
nbits2extraprec 1498697158
gc_upto 1949584000
odd 2085472036
is_pm1 2201975204
lgpol 2683109529
isintzero 2839044360
bit_accuracy 3163021382
gc_INT 4104572232
prec2lg 4515063759
is_const_t 4889760994
degpol 5499861451
icopy_avma 8035388135
remsBIL 8080643786
divsBIL 8170256028
isonstack 8256342172
is_recursive_t 9244627189

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