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 30482-15ec328664) Lines: 1420 1532 92.7 %
Date: 2025-09-02 09:24:13 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 540
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 648
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 2841
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 11550
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13419
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
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 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 22781
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25852
nfV_to_scalar_or_alg 26292
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gchar_get_basis 32639
gal_get_roots 32753
ndec2prec 33160
F2xqX_div 33173
mkcolcopy 33512
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36865
gchar_get_ns 36865
closure_get_text 37051
gchar_get_nc 37131
FqX_rem 37743
F2v_to_F2x 37922
FqX_div 38546
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41430
znstar_get_Ui 46788
pari_calloc 47650
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50347
get_FpXQX_var 51630
locs_get_cyc 51955
div_content 58477
RgX_fpnorml2 61607
err_get_num 62529
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68303
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 74575
bnr_get_mod 77119
gal_get_group 80394
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104242
mkmoo 108836
zeromat 109114
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114567
Q_abs_shallow 120248
mkmatcopy 122229
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138526
zeroser 138824
RgV_is_QV 140755
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165409
znstar_get_U 176107
rowslicepermute 184604
vecsmall_prepend 186991
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 200499
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207578
mkvec2s 220408
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235906
gchar_get_nf 241501
Fp_halve 247348
affc_fixlg 249592
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277497
gchar_get_zm 279434
bnf_get_tuN 282990
bnf_get_fu_nocheck 289076
bnf_get_tuU 303559
nf_get_G 303566
vec_prepend 313984
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 330261
cxtoreal 337177
upr_norm 343931
RgX_renormalize 349807
abgrp_get_no 355174
ZM_hnfrem 363819
FqX_mul 367816
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384892
RgX_is_QX 400112
perm_conj 418299
FqX_Fq_mul 427291
FqX_extgcd 445047
Z_issquare 458925
nf_get_disc 463826
precdbl 475483
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 502996
vecsmall_to_vec 511571
nf_get_sign 517291
mkvec3s 524441
gdivsg 529207
addmuliu 541092
FqX_Fp_mul 572116
prec2nbits_mul 581136
vecsmall_ei 584741
ZM_ZV_mod 596618
RgC_fpnorml2 622075
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 752822
gcmpgs 761924
row 764008
rnf_get_nf 786030
ellff_get_a4a6 800027
zero_F2m_copy 845090
FpXX_renormalize 849896
zeropadic 855757
gmin_shallow 876400
affgr 898719
ZXQ_sqr 961079
cgetc 973494
Flx_lead 980584
polx_F2x 1078954
pr_norm 1088528
sstoQ 1097215
Fp_invsafe 1100369
Flx_mulu 1105199
vecsmall_max 1164614
RgV_isscalar 1208180
mkfracss 1209563
gen_I 1269690
RgX_is_monomial 1331311
mkoo 1332070
bnf_get_sunits 1365640
bnr_get_nf 1368128
guncloneNULL_deep 1387243
rnf_get_absdegree 1392746
zero_Flx 1426844
constant_coeff 1441509
Rg_col_ei 1451241
inf_get_sign 1453158
vecsmall_concat 1464443
nf_get_varn 1503592
bid_get_mod 1521922
F2m_flip 1554204
F2v_flip 1554204
F2x_flip 1554204
F2x_div 1571011
uutoQ 1600142
nf_get_roots 1625472
bnf_get_gen 1678183
ulogint 1712881
vec_ei 1714597
gsubgs 1727455
mkvecsmall5 1730652
nf_get_roundG 1744495
abgrp_get_gen 1762895
ellinf 1868515
modpr_get_p 1888432
killblock 1900964
get_F2x_degree 1929031
Flx_div 1999069
ellnf_get_nf 2027612
ellff_get_field 2036860
bnr_get_bid 2045872
ell_get_j 2126227
bid_get_MOD 2157271
bid_get_sprk 2157998
ZXQ_mul 2162037
pari_realloc_ip 2180034
zv_copy 2184122
bid_get_fact2 2201593
gc_slice 2204917
pol_xn 2249928
bid_get_archp 2397131
bid_get_fact 2498955
get_F2x_mod 2499211
rnf_get_degree 2506307
bnr_get_cyc 2522346
get_F2x_var 2534199
ell_get_b4 2549033
Flv_copy 2555378
mul_content 2652073
RgX_coeff 2669140
vecslicepermute 2688922
hash_str 2753015
cyc_get_expo 2755549
perm_inv 2782816
sqrtnr 2807082
zero_Flm 2829989
bnr_get_clgp 2830020
rnf_get_pol 2845157
znstar_get_pe 2868790
bnf_get_logfu 2872598
F2x_equal1 2874074
gisdouble 2987194
mkpolmod 3105020
Fq_red 3106408
bit_accuracy_mul 3175421
ZV_to_zv 3206094
identity_perm 3242341
F3m_coeff 3256759
identity_zv 3266690
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394340
vec_append 3461161
zero_F2v 3648053
bid_get_U 3680250
bnf_get_cyc 3681731
nf_get_index 3709013
bnr_get_bnf 3750914
pol_1 3756334
pol_x 3856986
ell_get_b6 3861932
mulsubii 3881737
pol1_F2x 3957819
vec_to_vecsmall 4031515
vecsmall_append 4111399
sqrfrac 4148131
vecsmall_copy 4404233
mkcol2s 4416244
F2x_equal 4661894
FpXQX_renormalize 4693660
mkmat 4748627
qfb_disc3 4988563
mkfraccopy 4999628
is_rational_t 5035075
bnf_get_clgp 5368449
pari_stack_delete 5405808
nf_get_zkprimpart 5414215
nf_get_zkden 5460091
FpX_div 5578789
checkell_i 5593303
isintm1 5704012
bid_get_cyc 5739602
bid_get_grp 5804454
pari_stack_init 5834365
col_ei 5923695
get_FpX_degree 6424435
Flm_copy 6431555
sqrti 6663479
get_FpX_var 6957928
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7105470
ZM_lll 7110003
RgX_gtofp 7147297
znstar_get_faN 7330731
ell_get_b2 7369844
ZX_is_monic 7375991
zc_to_ZC 7818905
vecsmall_to_col 7833083
znstar_get_conreycyc 7978902
F2m_coeff 8039199
Q_abs 8062648
mkintmod 8092570
ZV_ZV_mod 8129121
RgM_gtofp 8251744
Flx_equal1 8327195
gc_INT_affii 8485683
ell_get_a4 8536011
Flm_row 8742436
ell_get_a3 8813335
ell_get_a1 8996367
cxtofp 9077750
veclast 9372650
ismpzero 9575139
is_intreal_t 9575256
const_col 9729790
RgM_dimensions 9741868
nf_get_invzk 9761095
bnf_get_nf 9852797
ser_isexactzero 10079479
mkvec4 10105778
ell_get_a6 10370249
mkcol 10635371
ZC_hnfrem 10682044
mul_denom 10707765
ell_get_c4 10728660
Fp_addmul 11368837
pr_get_gen 12055349
vectrunc_init 12066615
abgrp_get_cyc 12225928
F2x_clear 12355695
F2v_clear 12355699
ell_get_type 12499331
nbits2nlong 12648268
ell_get_c6 12892015
pol0_F2x 13245479
gmax_shallow 13510220
modpr_get_T 13865383
closure_get_frame 14145079
zeromatcopy 14239318
rowpermute 14704649
Fp_div 15034840
Fp_divu 15134591
mkvec5 15182677
pr_get_e 15948020
vectrunc_append 16163230
ell_get_disc 16525536
matslice 16816287
pr_is_inert 16905655
normalize_frac 17204889
isint1 17571648
mkvecsmall4 17835946
Fp_center_i 18052838
cxcompotor 18207080
qfb_disc 18514497
const_vecsmall 19660991
vecpermute 20517701
nf_get_M 21161851
Flx_div_pre 21705605
RgM_shallowcopy 22161506
Fp_double 22219657
RgX_is_ZX 22417627
gmulgs 22437057
nf_get_r1 22884532
ZV_isscalar 23092341
Fp_inv 23399566
get_Flx_mod 25600656
pr_get_f 26035915
RgX_equal_var 26880631
shallowcopy 27635297
mkqfb 28079235
zerovec 28455374
Fp_neg 30883213
modpr_get_pr 31231375
hash_str_len 31539856
RgV_is_ZV 32159676
submulii 32847018
mkmat2 33649547
RgC_gtofp 34007446
const_vec 34465615
zero_zv 36730086
polx_Flx 37826424
lincombii 38181868
znstar_get_N 38653757
closure_is_variadic 40152772
mkfrac 41622459
zeropol 42358600
powii 43176515
is_vec_t 43953055
absfrac 46628123
guncloneNULL 48154468
pr_get_tau 48860536
mkmat22 50267205
ell_is_inf 52470886
QV_isscalar 54379853
pol1_Flx 55058934
zero_Flv 59489022
addmuliu_inplace 59760372
submuliu_inplace 60252882
F2x_copy 60450923
gtodouble 60770265
is_real_t 62657878
qfb_is_qfi 62940456
Fp_sqr 64552843
Fp_mulu 67128473
get_Flx_var 68357833
mkvec 71141102
nf_get_degree 71322282
Fp_center 77217134
vecsmallpermute 78734147
rowslice 79346337
sqrtr 80275999
perm_mul 80929905
Fp_red 82079724
get_Flx_degree 82212493
pol_0 82998216
gtos 85833185
is_noncalc_t 85858297
cxnorm 90891918
mkcomplex 91625369
pr_get_p 91688302
dbllog2r 93991528
nf_get_pol 98019414
F2v_set 101404337
vecsmalltrunc_append 101551292
cgiv 102096390
RgX_copy 103402494
pol0_Flx 103509126
mkvecsmall3 104070385
prec2nbits 105655792
vecsmall_prefixcmp 108088071
gc_all 109981891
F2x_renormalize 115198859
mkvec3 117666548
zerocol 122265798
gaddgs 123247440
both_odd 123967990
F2x_set 124738025
nchar2nlong 127372639
mkvecsmall 131674154
equalim1 139504289
bit_prec 142987942
FpX_renormalize 144578959
ZX_renormalize 155015049
mkcol2 156856461
nbrows 157434251
leading_coeff 170556013
Flx_copy 173784098
Fp_add 181564918
mkvec2 185028539
nbits2prec 187585448
vecsmalltrunc_init 190298831
Fp_mul 201060422
Fp_sub 203451638
mkvecsmall2 233683303
gtofp 254199756
gc_GEN 256137601
gmulgu 282058132
lg_increase 316802188
closure_get_data 321478540
closure_get_oper 321503837
closure_codestr 321527001
is_universal_constant 325817834
lgcols 350170823
closure_arity 371371642
is_scalar_t 375640051
bin_copy 497206544
pari_free 510530909
is_bigint 562519841
leafcopy_avma 577060548
vecslice 656297151
is_matvec_t 659991931
F2v_coeff 661330109
F2x_coeff 667912984
pari_malloc 746471010
pari_stack_new 924777851
GENbinbase 964113923
pari_stack_alloc 1019415560
pari_stack_base 1024798034
gc_leaf 1132323106
equali1 1175070037
nbits2extraprec 1498279462
gc_upto 1949372690
odd 2084481415
is_pm1 2201055794
lgpol 2681198487
isintzero 2837545056
bit_accuracy 3163532124
gc_INT 4103415816
prec2lg 4509777043
is_const_t 4889407037
degpol 5499940615
icopy_avma 8034664851
remsBIL 8080682900
divsBIL 8170941809
isonstack 8254685597
is_recursive_t 9245125872

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