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 30370-b9c4b6d044) Lines: 1420 1532 92.7 %
Date: 2025-07-05 09:22:59 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
vecsmall_lengthen 526
pari_err_IMPL 539
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 623
gchar_set_nalg 623
gchar_set_nfree 623
gchar_set_ntors 623
bnf_get_reg 641
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 950
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1202
gchar_set_prec 1202
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1260
locs_get_famod 1260
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 1573
gchar_set_cyc 1573
gchar_get_sfu 1748
gchar_set_evalprec 1785
mkintmodu 1813
gchar_get_nm 1841
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2042
gchar_set_nf 2077
gchar_set_u0 2093
vecsmall_min 2324
vecreverse_inplace 2570
pari_err_DOMAIN 2771
rnf_get_ramified_primes 2849
gchar_set_nfprec 2950
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3321
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4140
gchar_get_u0 4267
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 8358
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10969
vec_shorten 11549
vectrunc_append_batch 12278
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13419
closure_get_dbg 13523
zx_renormalize 14049
pari_err_TYPE 15384
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16168
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17416
Fp_muls 17780
gchar_get_prec 18732
vec_lengthen 18969
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22081
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22780
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25852
nfV_to_scalar_or_alg 26293
absfrac_shallow 27845
gal_get_den 27874
gal_get_invvdm 27880
zerovec_block 28933
gequalgs 29176
gener_Fq_local 29932
gchar_get_basis 32639
gal_get_roots 32752
F2xqX_div 33173
ndec2prec 33251
mkcolcopy 33496
Qtoss 35322
gal_get_pol 36336
closure_get_text 36855
gchar_get_S 36865
gchar_get_ns 36865
gchar_get_nc 37131
FqX_rem 37743
F2v_to_F2x 37767
FqX_div 38546
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41521
znstar_get_Ui 46788
pari_calloc 47573
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50347
get_FpXQX_var 51630
locs_get_cyc 51955
div_content 58478
RgX_fpnorml2 61606
err_get_num 62334
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68305
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72821
Fq_to_FpXQ 73792
vecsmall_shorten 74675
bnr_get_mod 77118
gal_get_group 80395
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104366
mkmoo 108813
zeromat 109100
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114563
Q_abs_shallow 120253
mkmatcopy 122256
mkveccopy 122507
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138469
zeroser 138810
RgV_is_QV 140757
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165413
znstar_get_U 176051
rowslicepermute 184580
vecsmall_prepend 186991
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 200490
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207508
mkvec2s 220404
mkcol6 232484
ellR_get_prec 232582
zero_Flm_copy 236102
gchar_get_nf 241501
Fp_halve 247348
affc_fixlg 249596
rnf_get_nfpol 255354
znstar_get_cyc 261990
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277492
gchar_get_zm 279434
bnf_get_tuN 282985
bnf_get_fu_nocheck 289067
nf_get_G 303102
bnf_get_tuU 303554
vec_prepend 314104
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 330260
upr_norm 343930
RgX_renormalize 349807
abgrp_get_no 355155
ZM_hnfrem 363808
FqX_mul 367800
ellR_get_sign 371325
get_F2xqX_var 375375
vecsplice 384907
coltrunc_init 393680
cxtoreal 394440
RgX_is_QX 400115
perm_conj 418299
FqX_Fq_mul 427303
FqX_extgcd 444994
Z_issquare 458910
nf_get_disc 463834
precdbl 475364
RgX_shift_inplace 479299
RgX_shift_inplace_init 479299
zv_to_ZV 502975
vecsmall_to_vec 511536
nf_get_sign 517283
mkvec3s 524441
gdivsg 529208
addmuliu 541083
FqX_Fp_mul 572057
prec2nbits_mul 581137
vecsmall_ei 584699
ZM_ZV_mod 596612
RgC_fpnorml2 622076
FqX_is_squarefree 683802
vecreverse 697060
mkrfrac 698152
mkvecsmall5 720838
logint 752786
row 763985
rnf_get_nf 786030
gcmpgs 790666
ellff_get_a4a6 800032
zero_F2m_copy 845094
FpXX_renormalize 849896
zeropadic 855828
gmin_shallow 876350
affgr 898817
ZXQ_sqr 961049
cgetc 973497
Flx_lead 980192
vecsmall_max 1075718
polx_F2x 1078403
pr_norm 1086519
sstoQ 1097131
Fp_invsafe 1100363
Flx_mulu 1105170
RgV_isscalar 1208176
mkfracss 1209444
gen_I 1269484
ell_get_j 1295726
mkoo 1331925
bnf_get_sunits 1365641
bnr_get_nf 1368111
guncloneNULL_deep 1388553
rnf_get_absdegree 1392746
RgX_is_monomial 1396348
zero_Flx 1426803
constant_coeff 1441264
Rg_col_ei 1451188
inf_get_sign 1452997
vecsmall_concat 1464415
nf_get_varn 1503576
bid_get_mod 1521920
F2m_flip 1553931
F2v_flip 1553931
F2x_flip 1553931
F2x_div 1569887
nf_get_roots 1621327
bnf_get_gen 1678181
ulogint 1713234
vec_ei 1714593
gsubgs 1727413
nf_get_roundG 1743973
abgrp_get_gen 1762896
ellinf 1868531
modpr_get_p 1888432
killblock 1900579
get_F2x_degree 1928995
Flx_div 1998983
ellnf_get_nf 2027606
ellff_get_field 2036863
bnr_get_bid 2045862
ell_get_b4 2135641
bid_get_MOD 2157248
bid_get_sprk 2157963
ZXQ_mul 2162042
pari_realloc_ip 2174524
zv_copy 2184073
bid_get_fact2 2201566
gc_slice 2204762
pol_xn 2249916
bid_get_archp 2397083
bid_get_fact 2498934
get_F2x_mod 2499155
rnf_get_degree 2506307
bnr_get_cyc 2522329
get_F2x_var 2534119
Flv_copy 2555333
ell_get_b8 2608978
mul_content 2652051
RgX_coeff 2668699
vecslicepermute 2688642
hash_str 2747301
cyc_get_expo 2755545
perm_inv 2782821
sqrtnr 2800235
zero_Flm 2829952
bnr_get_clgp 2830001
rnf_get_pol 2845157
znstar_get_pe 2868776
bnf_get_logfu 2872564
F2x_equal1 2873953
gisdouble 2984355
ell_get_b6 3055105
mkpolmod 3104997
Fq_red 3106213
bit_accuracy_mul 3175264
ZV_to_zv 3206066
identity_perm 3242335
F3m_coeff 3256668
identity_zv 3266678
znstar_get_conreygen 3289875
get_FpX_mod 3394337
vec_append 3461214
zero_F2v 3647454
bid_get_U 3680219
bnf_get_cyc 3681665
nf_get_index 3707952
bnr_get_bnf 3750907
pol_x 3824843
mulsubii 3881936
pol1_F2x 3957521
vec_to_vecsmall 4031469
vecsmall_append 4107941
sqrfrac 4144432
vecsmall_copy 4399237
mkcol2s 4415404
pol_1 4470198
F2x_equal 4655514
checkell_i 4677496
FpXQX_renormalize 4693797
mkmat 4748579
mkfraccopy 4959278
qfb_disc3 4987250
is_rational_t 5034703
bnf_get_clgp 5368367
pari_stack_delete 5395891
nf_get_zkprimpart 5412512
ell_get_b2 5432775
nf_get_zkden 5458431
FpX_div 5577231
isintm1 5703248
ell_get_a2 5709704
bid_get_cyc 5739559
bid_get_grp 5804407
pari_stack_init 5830805
col_ei 5923552
get_FpX_degree 6006373
Flm_copy 6429920
ell_get_a4 6522705
sqrti 6706738
mkvec4 6767831
ell_get_a3 6912840
RgX_div 7057024
veclast 7093189
ZM_lll 7108301
ell_get_a1 7116192
RgX_gtofp 7139366
vecsmall_lexcmp 7209161
get_FpX_var 7238833
znstar_get_faN 7330493
ZX_is_monic 7375958
zc_to_ZC 7819908
vecsmall_to_col 7834089
ell_get_a6 7961478
znstar_get_conreycyc 7978755
ell_get_c4 8021765
F2m_coeff 8033119
Q_abs 8062525
mkintmod 8092619
ZV_ZV_mod 8129080
RgM_gtofp 8248804
Flx_equal1 8327202
gc_INT_affii 8478599
Flm_row 8742354
ell_get_c6 8850396
cxtofp 9046239
ismpzero 9575039
is_intreal_t 9575160
const_col 9729433
RgM_dimensions 9741824
nf_get_invzk 9758101
bnf_get_nf 9852649
ser_isexactzero 10079479
mkcol 10634525
ZC_hnfrem 10682276
mul_denom 10706244
ell_get_disc 11280323
Fp_addmul 11374430
ell_get_type 11588419
vectrunc_init 11956931
pr_get_gen 12052079
abgrp_get_cyc 12225712
F2x_clear 12354336
F2v_clear 12354342
nbits2nlong 12650303
closure_get_frame 13193034
pol0_F2x 13242383
gmax_shallow 13510219
modpr_get_T 13865315
zeromatcopy 14234013
Fp_center_i 14260650
rowpermute 14704336
mkvec5 14725244
Fp_div 15035584
Fp_divu 15135335
vectrunc_append 15528925
pr_get_e 15947723
mkvecsmall4 16099773
matslice 16801934
pr_is_inert 16889819
normalize_frac 17045092
isint1 17114381
cxcompotor 18141736
hash_str_len 18310428
qfb_disc 18515359
const_vecsmall 19488176
vecpermute 20516250
nf_get_M 21067736
RgX_is_ZX 21401041
Flx_div_pre 21685668
RgM_shallowcopy 22159325
Fp_double 22223452
gmulgs 22244595
nf_get_r1 22790271
ZV_isscalar 22997549
Fp_inv 23438834
get_Flx_mod 25588873
pr_get_f 25979886
RgX_equal_var 26880770
zerovec 26922891
shallowcopy 27635518
mkqfb 28076604
Fp_neg 30883068
modpr_get_pr 31231284
RgV_is_ZV 31719000
submulii 32847018
mkmat2 33190009
const_vec 33515206
RgC_gtofp 33999856
zero_zv 36791995
polx_Flx 38052002
lincombii 38194572
znstar_get_N 38653372
closure_is_variadic 40149091
mkfrac 41613379
zeropol 42325774
powii 43195719
is_vec_t 43518567
absfrac 46617568
guncloneNULL 48136183
pr_get_tau 48825013
mkmat22 50180803
ell_is_inf 52773704
QV_isscalar 54377833
pol1_Flx 55037494
zero_Flv 59548393
addmuliu_inplace 59766775
submuliu_inplace 60262685
F2x_copy 60406645
gtodouble 60861873
is_real_t 62657703
qfb_is_qfi 63024316
Fp_sqr 64417445
Fp_mulu 67207889
get_Flx_var 68335324
mkvec 68484054
nf_get_degree 71319320
Fp_center 76874713
vecsmallpermute 78733571
rowslice 79327278
sqrtr 80236207
perm_mul 80929231
Fp_red 82035005
get_Flx_degree 82226114
pol_0 83307387
is_noncalc_t 85757352
gtos 85815610
cxnorm 90990642
pr_get_p 91650707
mkcomplex 91735481
dbllog2r 94075051
nf_get_pol 98010399
F2v_set 101396808
vecsmalltrunc_append 101432472
mkvecsmall3 101470110
cgiv 101994543
pol0_Flx 103208153
RgX_copy 103516742
prec2nbits 105881333
vecsmall_prefixcmp 108088071
gc_all 109607953
F2x_renormalize 115177784
mkvec3 115321047
both_odd 116975698
zerocol 122239765
nchar2nlong 122337317
gaddgs 123247429
gmulgu 124184361
F2x_set 124716546
mkvecsmall 130830235
equalim1 139042177
bit_prec 142881936
FpX_renormalize 145337780
mkcol2 156707222
ZX_renormalize 157444129
nbrows 157487395
uutoQ 159002008
leading_coeff 171153479
Fp_add 172155558
Flx_copy 173893505
mkvec2 183925168
nbits2prec 186950939
vecsmalltrunc_init 187726347
Fp_mul 201047042
Fp_sub 202993732
mkvecsmall2 227237263
gtofp 254139986
gc_GEN 254913091
is_universal_constant 291193905
lg_increase 309806642
closure_get_data 319095808
closure_get_oper 319123568
closure_codestr 319154002
lgcols 349682799
closure_arity 368020132
is_scalar_t 380935555
bin_copy 494654763
pari_free 507974366
is_bigint 560938027
leafcopy_avma 571186615
pari_stack_new 606729456
vecslice 656214829
F2v_coeff 661284420
is_matvec_t 664466940
F2x_coeff 667858070
pari_stack_alloc 699878226
pari_stack_base 705278316
pari_malloc 738449992
GENbinbase 958977680
gc_leaf 1127590371
equali1 1306485481
nbits2extraprec 1498856876
gc_upto 1921453726
odd 2079060445
is_pm1 2192845391
lgpol 2658312516
isintzero 2832111476
bit_accuracy 3164667299
gc_INT 4084360776
prec2lg 4508973044
is_const_t 4924069873
degpol 5403748016
icopy_avma 7969360114
remsBIL 8067917961
divsBIL 8159091755
isonstack 8196801936
is_recursive_t 9241741587

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