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 30401-87099e65a6) Lines: 1420 1532 92.7 %
Date: 2025-07-18 09:23:12 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 2820
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 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13419
closure_get_dbg 13586
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 22084
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22781
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25851
nfV_to_scalar_or_alg 26293
absfrac_shallow 27845
gal_get_den 27874
gal_get_invvdm 27881
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gchar_get_basis 32639
gal_get_roots 32753
F2xqX_div 33173
ndec2prec 33251
mkcolcopy 33494
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36865
gchar_get_ns 36865
closure_get_text 36981
gchar_get_nc 37131
FqX_rem 37743
F2v_to_F2x 37854
FqX_div 38546
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41521
znstar_get_Ui 46788
pari_calloc 47580
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50347
get_FpXQX_var 51630
locs_get_cyc 51955
div_content 58475
RgX_fpnorml2 61608
err_get_num 62459
bid_get_gen 64274
nf_get_ramified_primes 64812
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 74577
bnr_get_mod 77118
gal_get_group 80395
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104258
mkmoo 108811
zeromat 109149
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114562
Q_abs_shallow 120245
mkmatcopy 122261
mkveccopy 122507
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138467
zeroser 138810
RgV_is_QV 140757
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165413
znstar_get_U 176051
rowslicepermute 184848
vecsmall_prepend 186991
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 200492
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207508
mkvec2s 220403
mkcol6 232484
ellR_get_prec 232582
zero_Flm_copy 235889
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 277494
gchar_get_zm 279434
bnf_get_tuN 282992
bnf_get_fu_nocheck 289071
nf_get_G 303137
bnf_get_tuU 303558
vec_prepend 314098
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 330258
upr_norm 343928
RgX_renormalize 349807
abgrp_get_no 355173
ZM_hnfrem 363820
FqX_mul 367803
ellR_get_sign 371325
get_F2xqX_var 375375
vecsplice 384900
coltrunc_init 393680
cxtoreal 394438
RgX_is_QX 400118
perm_conj 418299
FqX_Fq_mul 427294
FqX_extgcd 444995
Z_issquare 458925
nf_get_disc 463828
precdbl 475359
RgX_shift_inplace 479266
RgX_shift_inplace_init 479266
zv_to_ZV 502975
vecsmall_to_vec 511536
nf_get_sign 517284
mkvec3s 524441
gdivsg 529208
addmuliu 541092
FqX_Fp_mul 572059
prec2nbits_mul 581138
vecsmall_ei 584731
ZM_ZV_mod 596594
RgC_fpnorml2 622078
FqX_is_squarefree 683802
vecreverse 697060
mkrfrac 698152
logint 752778
row 763991
rnf_get_nf 786030
gcmpgs 790670
ellff_get_a4a6 800031
zero_F2m_copy 845101
FpXX_renormalize 849896
zeropadic 855595
gmin_shallow 876309
affgr 898817
ZXQ_sqr 961051
cgetc 973495
Flx_lead 979984
polx_F2x 1078960
pr_norm 1086534
sstoQ 1097131
Fp_invsafe 1100345
Flx_mulu 1105162
vecsmall_max 1164548
RgV_isscalar 1208177
mkfracss 1209444
gen_I 1269496
ell_get_j 1295726
RgX_is_monomial 1331298
mkoo 1332037
bnf_get_sunits 1365640
bnr_get_nf 1368114
rnf_get_absdegree 1392746
guncloneNULL_deep 1392837
zero_Flx 1426839
constant_coeff 1441258
Rg_col_ei 1451275
inf_get_sign 1453101
vecsmall_concat 1464434
nf_get_varn 1503553
bid_get_mod 1521922
F2m_flip 1554335
F2v_flip 1554335
F2x_flip 1554335
F2x_div 1571526
nf_get_roots 1621363
bnf_get_gen 1678178
vec_ei 1714562
ulogint 1719673
gsubgs 1727415
mkvecsmall5 1730564
nf_get_roundG 1744011
abgrp_get_gen 1762887
ellinf 1868533
modpr_get_p 1888432
killblock 1905019
get_F2x_degree 1929047
Flx_div 1998946
ellnf_get_nf 2027600
ellff_get_field 2036863
bnr_get_bid 2045869
ell_get_b4 2135641
bid_get_MOD 2157254
bid_get_sprk 2157978
ZXQ_mul 2162038
pari_realloc_ip 2178782
zv_copy 2184142
bid_get_fact2 2201578
gc_slice 2204570
pol_xn 2249887
bid_get_archp 2397092
bid_get_fact 2498943
get_F2x_mod 2499193
rnf_get_degree 2506307
bnr_get_cyc 2522335
get_F2x_var 2534135
Flv_copy 2555400
ell_get_b8 2608978
mul_content 2652055
RgX_coeff 2668699
vecslicepermute 2690057
hash_str 2754901
cyc_get_expo 2755550
perm_inv 2782815
sqrtnr 2800249
bnr_get_clgp 2830008
zero_Flm 2830224
rnf_get_pol 2845157
znstar_get_pe 2868776
bnf_get_logfu 2872568
F2x_equal1 2874031
gisdouble 2984606
ell_get_b6 3055105
mkpolmod 3105001
Fq_red 3106362
bit_accuracy_mul 3175270
ZV_to_zv 3206064
identity_perm 3242557
F3m_coeff 3256657
identity_zv 3266900
znstar_get_conreygen 3289875
get_FpX_mod 3394326
vec_append 3461204
zero_F2v 3647515
bid_get_U 3680226
bnf_get_cyc 3681664
nf_get_index 3707948
bnr_get_bnf 3750906
pol_1 3756133
pol_x 3824890
mulsubii 3880625
pol1_F2x 3957678
vec_to_vecsmall 4031396
vecsmall_append 4111394
sqrfrac 4144635
vecsmall_copy 4404219
mkcol2s 4415404
F2x_equal 4663742
checkell_i 4677461
FpXQX_renormalize 4693809
mkmat 4748674
mkfraccopy 4959327
qfb_disc3 4987269
is_rational_t 5034667
bnf_get_clgp 5368358
nf_get_zkprimpart 5412599
pari_stack_delete 5418441
ell_get_b2 5432772
nf_get_zkden 5458434
FpX_div 5577165
isintm1 5703239
ell_get_a2 5709705
bid_get_cyc 5739552
bid_get_grp 5804403
pari_stack_init 5842846
col_ei 5923559
get_FpX_degree 6424516
Flm_copy 6429830
ell_get_a4 6522706
sqrti 6706762
mkvec4 6767075
ell_get_a3 6912838
get_FpX_var 6942085
RgX_div 7000628
veclast 7093188
ZM_lll 7108221
ell_get_a1 7116191
RgX_gtofp 7139338
vecsmall_lexcmp 7209171
znstar_get_faN 7330493
ZX_is_monic 7375956
zc_to_ZC 7820464
vecsmall_to_col 7834645
ell_get_a6 7961479
znstar_get_conreycyc 7978755
ell_get_c4 8021717
F2m_coeff 8033835
Q_abs 8062495
mkintmod 8092584
ZV_ZV_mod 8129058
RgM_gtofp 8248606
Flx_equal1 8327269
gc_INT_affii 8481914
Flm_row 8742490
ell_get_c6 8850357
cxtofp 9044908
ismpzero 9574895
is_intreal_t 9575019
const_col 9729468
RgM_dimensions 9742045
nf_get_invzk 9757985
bnf_get_nf 9852635
ser_isexactzero 10079479
mkcol 10634502
ZC_hnfrem 10682169
mul_denom 10706304
ell_get_disc 11280318
Fp_addmul 11364214
ell_get_type 11588330
vectrunc_init 11715758
pr_get_gen 12052064
abgrp_get_cyc 12225665
F2v_clear 12354887
F2x_clear 12354888
nbits2nlong 12646172
pol0_F2x 13245947
gmax_shallow 13510219
modpr_get_T 13865297
closure_get_frame 14209002
zeromatcopy 14233991
rowpermute 14704986
mkvec5 14725311
Fp_div 15035589
Fp_divu 15135325
vectrunc_append 15284827
pr_get_e 15947921
matslice 16814560
pr_is_inert 16889855
normalize_frac 17045176
isint1 17114384
mkvecsmall4 17823602
Fp_center_i 18051768
cxcompotor 18139073
qfb_disc 18514497
hash_str_len 19321899
const_vecsmall 19488364
vecpermute 20519778
nf_get_M 21067286
Flx_div_pre 21692378
RgM_shallowcopy 22159340
Fp_double 22204555
gmulgs 22291921
RgX_is_ZX 22414323
nf_get_r1 22789977
ZV_isscalar 22997103
Fp_inv 23448756
get_Flx_mod 25586679
pr_get_f 25979908
RgX_equal_var 26880771
zerovec 26922949
shallowcopy 27635525
mkqfb 28076652
Fp_neg 30883139
modpr_get_pr 31231153
RgV_is_ZV 31704121
submulii 32847018
mkmat2 33192681
RgC_gtofp 33999569
const_vec 34524899
zero_zv 36794310
polx_Flx 37812009
lincombii 38192875
znstar_get_N 38653372
closure_is_variadic 40173591
mkfrac 41616940
zeropol 42358452
powii 43176448
is_vec_t 43503157
absfrac 46617561
guncloneNULL 48140694
pr_get_tau 48825044
mkmat22 50180519
ell_is_inf 52478371
QV_isscalar 54378066
pol1_Flx 55031635
zero_Flv 59547590
addmuliu_inplace 59690305
submuliu_inplace 60182684
F2x_copy 60404535
gtodouble 60861028
is_real_t 62657699
qfb_is_qfi 62956043
Fp_sqr 64202468
get_Flx_var 68333033
Fp_mulu 69154907
mkvec 70417200
nf_get_degree 71319000
Fp_center 77286743
vecsmallpermute 78731917
rowslice 79331682
sqrtr 80230842
perm_mul 80927617
Fp_red 82037943
pol_0 82993428
get_Flx_degree 83216252
is_noncalc_t 85757402
gtos 85832505
cxnorm 90984398
pr_get_p 91650856
mkcomplex 91723146
dbllog2r 94073399
nf_get_pol 98011011
F2v_set 101397537
vecsmalltrunc_append 101538977
cgiv 101994905
RgX_copy 103399790
pol0_Flx 103496156
mkvecsmall3 103797327
prec2nbits 105879353
vecsmall_prefixcmp 108088071
gc_all 110090836
F2x_renormalize 115250895
mkvec3 120328196
zerocol 122241248
gaddgs 123247404
both_odd 123956689
gmulgu 124184361
nchar2nlong 124502181
F2x_set 124747990
mkvecsmall 131113531
equalim1 139049730
bit_prec 142886508
FpX_renormalize 144540951
ZX_renormalize 154864462
mkcol2 156703646
nbrows 157490226
uutoQ 159002008
leading_coeff 170546304
Flx_copy 173723320
Fp_add 181497111
mkvec2 184596016
nbits2prec 186965437
vecsmalltrunc_init 189223031
Fp_mul 201013019
Fp_sub 202879664
mkvecsmall2 232642896
gtofp 254117724
gc_GEN 255260893
is_universal_constant 292237385
lg_increase 312060800
closure_get_data 320419203
closure_get_oper 320437843
closure_codestr 320452432
lgcols 350027261
closure_arity 370371744
is_scalar_t 374716708
bin_copy 496471196
pari_free 509795251
is_bigint 560933873
leafcopy_avma 572193239
pari_stack_new 624220914
vecslice 656081408
is_matvec_t 658652065
F2v_coeff 661307911
F2x_coeff 667889904
pari_stack_alloc 718469269
pari_stack_base 723834793
pari_malloc 741319458
GENbinbase 962640929
gc_leaf 1135783634
equali1 1299923699
nbits2extraprec 1498903913
gc_upto 1920318293
odd 2080748622
is_pm1 2191531364
lgpol 2688908993
isintzero 2832286674
bit_accuracy 3160932790
gc_INT 4091504809
prec2lg 4509151744
is_const_t 4917865513
degpol 5513367367
icopy_avma 7978905892
remsBIL 8067907324
divsBIL 8158112081
isonstack 8213668547
is_recursive_t 9267882751

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