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 30446-bebd557ed6) Lines: 1420 1532 92.7 %
Date: 2025-08-05 09:23:54 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 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 11550
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13419
closure_get_dbg 13600
zx_renormalize 14049
pari_err_TYPE 15398
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16168
mkmat3 17001
zeropadic_shallow 17023
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 22078
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 26293
gal_get_den 27874
gal_get_invvdm 27881
absfrac_shallow 27901
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gchar_get_basis 32639
gal_get_roots 32753
F2xqX_div 33173
ndec2prec 33335
mkcolcopy 33509
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36865
gchar_get_ns 36865
closure_get_text 37009
gchar_get_nc 37131
FqX_rem 37743
F2v_to_F2x 37750
FqX_div 38546
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41605
znstar_get_Ui 46788
pari_calloc 47643
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 62487
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 74575
bnr_get_mod 77116
gal_get_group 80393
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104266
mkmoo 108835
zeromat 109064
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114565
Q_abs_shallow 120244
mkmatcopy 122218
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138527
zeroser 138824
RgV_is_QV 140754
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165415
znstar_get_U 176107
rowslicepermute 184760
vecsmall_prepend 186991
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 200498
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207578
mkvec2s 220412
mkcol6 232596
ellR_get_prec 232750
zero_Flm_copy 235906
gchar_get_nf 241501
Fp_halve 247348
affc_fixlg 249593
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277496
gchar_get_zm 279434
bnf_get_tuN 282984
bnf_get_fu_nocheck 289063
nf_get_G 303534
bnf_get_tuU 303552
vec_prepend 313981
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 330246
upr_norm 343930
RgX_renormalize 349807
abgrp_get_no 355174
ZM_hnfrem 363838
FqX_mul 367817
ellR_get_sign 371549
get_F2xqX_var 375375
vecsplice 384893
cxtoreal 394519
RgX_is_QX 400114
perm_conj 418299
FqX_Fq_mul 427294
FqX_extgcd 445050
Z_issquare 458923
nf_get_disc 463826
precdbl 475490
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 502996
vecsmall_to_vec 511571
nf_get_sign 517290
mkvec3s 524441
gdivsg 529207
addmuliu 541083
FqX_Fp_mul 572130
prec2nbits_mul 581138
vecsmall_ei 584739
ZM_ZV_mod 596598
RgC_fpnorml2 622069
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 752815
row 764010
rnf_get_nf 786030
gcmpgs 790753
ellff_get_a4a6 800032
zero_F2m_copy 845097
FpXX_renormalize 849896
zeropadic 855883
gmin_shallow 876298
affgr 898894
ZXQ_sqr 961081
cgetc 973492
Flx_lead 980216
polx_F2x 1078426
pr_norm 1088481
sstoQ 1097215
Fp_invsafe 1100350
Flx_mulu 1105231
vecsmall_max 1164613
RgV_isscalar 1208179
mkfracss 1209563
gen_I 1269757
RgX_is_monomial 1331300
mkoo 1332049
bnf_get_sunits 1365640
bnr_get_nf 1368106
guncloneNULL_deep 1390441
rnf_get_absdegree 1392746
zero_Flx 1426649
constant_coeff 1441494
Rg_col_ei 1451299
inf_get_sign 1453147
vecsmall_concat 1464434
nf_get_varn 1503562
bid_get_mod 1521922
F2m_flip 1554207
F2v_flip 1554207
F2x_flip 1554207
F2x_div 1569634
nf_get_roots 1625443
bnf_get_gen 1678181
vec_ei 1714571
ulogint 1719623
gsubgs 1727461
mkvecsmall5 1730580
nf_get_roundG 1744467
abgrp_get_gen 1762891
ellinf 1868500
modpr_get_p 1888430
killblock 1903386
get_F2x_degree 1929018
Flx_div 1998977
ellnf_get_nf 2027601
ellff_get_field 2036863
bnr_get_bid 2045865
ell_get_j 2126227
bid_get_MOD 2157257
bid_get_sprk 2157989
ZXQ_mul 2162052
pari_realloc_ip 2179854
zv_copy 2184164
bid_get_fact2 2201580
gc_slice 2204894
pol_xn 2249896
bid_get_archp 2397126
bid_get_fact 2498952
get_F2x_mod 2499143
rnf_get_degree 2506307
bnr_get_cyc 2522337
get_F2x_var 2534126
ell_get_b4 2549040
Flv_copy 2555422
mul_content 2652003
RgX_coeff 2669140
vecslicepermute 2689495
hash_str 2754901
cyc_get_expo 2755562
perm_inv 2782812
sqrtnr 2807094
zero_Flm 2830002
bnr_get_clgp 2830012
rnf_get_pol 2845157
znstar_get_pe 2868790
bnf_get_logfu 2872604
F2x_equal1 2873932
gisdouble 2987236
mkpolmod 3105019
Fq_red 3106296
bit_accuracy_mul 3175376
ZV_to_zv 3206067
identity_perm 3242389
F3m_coeff 3256717
identity_zv 3266739
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394318
vec_append 3461164
zero_F2v 3648087
bid_get_U 3680239
bnf_get_cyc 3681729
nf_get_index 3709013
bnr_get_bnf 3750894
pol_1 3756286
pol_x 3856821
ell_get_b6 3861939
mulsubii 3880744
pol1_F2x 3957522
vec_to_vecsmall 4031500
vecsmall_append 4111385
sqrfrac 4147165
vecsmall_copy 4404192
mkcol2s 4416244
F2x_equal 4654219
FpXQX_renormalize 4693531
mkmat 4748659
qfb_disc3 4988844
mkfraccopy 4999417
is_rational_t 5035126
bnf_get_clgp 5368438
pari_stack_delete 5411198
nf_get_zkprimpart 5414258
nf_get_zkden 5460053
FpX_div 5578691
checkell_i 5588490
isintm1 5704053
bid_get_cyc 5739584
bid_get_grp 5804435
pari_stack_init 5834551
col_ei 5923649
get_FpX_degree 6424493
Flm_copy 6431368
sqrti 6663545
get_FpX_var 6957876
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7105469
ZM_lll 7110310
RgX_gtofp 7147295
znstar_get_faN 7330731
ell_get_b2 7369858
ZX_is_monic 7375985
zc_to_ZC 7819211
vecsmall_to_col 7833392
znstar_get_conreycyc 7978902
F2m_coeff 8039197
Q_abs 8062465
mkintmod 8092632
ZV_ZV_mod 8128984
RgM_gtofp 8252290
Flx_equal1 8327240
gc_INT_affii 8487804
ell_get_a4 8536010
Flm_row 8742548
ell_get_a3 8813341
ell_get_a1 8996373
cxtofp 9077602
veclast 9372667
ismpzero 9575215
is_intreal_t 9575329
const_col 9729790
RgM_dimensions 9741867
nf_get_invzk 9761167
bnf_get_nf 9852799
ser_isexactzero 10079479
mkvec4 10105802
ell_get_a6 10370248
mkcol 10635282
ZC_hnfrem 10682235
mul_denom 10707909
ell_get_c4 10728583
Fp_addmul 11383260
pr_get_gen 12055225
vectrunc_init 12065630
abgrp_get_cyc 12225896
F2x_clear 12355653
F2v_clear 12355660
ell_get_type 12499308
nbits2nlong 12645825
ell_get_c6 12891966
pol0_F2x 13235359
gmax_shallow 13510221
modpr_get_T 13865323
closure_get_frame 14145248
zeromatcopy 14240158
rowpermute 14704811
Fp_div 15034924
Fp_divu 15134657
mkvec5 15182635
pr_get_e 15948196
vectrunc_append 16165603
ell_get_disc 16525515
matslice 16817568
pr_is_inert 16905887
normalize_frac 17119812
isint1 17571676
mkvecsmall4 17827087
Fp_center_i 18050844
cxcompotor 18206701
qfb_disc 18514518
const_vecsmall 19660657
vecpermute 20519759
nf_get_M 21161858
Flx_div_pre 21704258
RgM_shallowcopy 22161262
Fp_double 22251702
RgX_is_ZX 22417660
gmulgs 22451664
nf_get_r1 22884556
ZV_isscalar 23092329
Fp_inv 23399006
get_Flx_mod 25599931
pr_get_f 26036147
RgX_equal_var 26880627
shallowcopy 27635330
mkqfb 28079806
zerovec 28455286
Fp_neg 30882779
modpr_get_pr 31231220
hash_str_len 31539921
RgV_is_ZV 32159649
submulii 32847018
mkmat2 33649650
RgC_gtofp 34009682
const_vec 34494608
zero_zv 36729899
polx_Flx 37827142
lincombii 38184522
znstar_get_N 38653757
closure_is_variadic 40152831
mkfrac 41621898
zeropol 42358595
powii 43176539
is_vec_t 43946670
absfrac 46627771
guncloneNULL 48156349
pr_get_tau 48861354
mkmat22 50267524
ell_is_inf 52499669
QV_isscalar 54379856
pol1_Flx 55056455
zero_Flv 59488773
addmuliu_inplace 59764306
submuliu_inplace 60256983
F2x_copy 60369139
gtodouble 60765581
is_real_t 62657793
qfb_is_qfi 62947151
Fp_sqr 64379249
Fp_mulu 67855420
get_Flx_var 68357001
mkvec 71158356
nf_get_degree 71322094
Fp_center 77221717
vecsmallpermute 78732051
rowslice 79341242
sqrtr 80274251
perm_mul 80927570
Fp_red 82083317
get_Flx_degree 82571846
pol_0 82998116
gtos 85832615
is_noncalc_t 85859503
cxnorm 90974452
mkcomplex 91688837
pr_get_p 91688938
dbllog2r 94025935
nf_get_pol 98018653
F2v_set 101404347
vecsmalltrunc_append 101485029
cgiv 102098341
RgX_copy 103402379
pol0_Flx 103497717
mkvecsmall3 104068306
prec2nbits 105786843
vecsmall_prefixcmp 108088071
gc_all 109982431
F2x_renormalize 115237217
mkvec3 118753740
zerocol 122270856
gaddgs 123247437
both_odd 124088409
gmulgu 124184361
F2x_set 124768404
nchar2nlong 127372427
mkvecsmall 131661177
equalim1 139504331
bit_prec 142990048
FpX_renormalize 144570770
ZX_renormalize 154881933
mkcol2 156858320
nbrows 157435859
uutoQ 159002008
leading_coeff 170556734
Flx_copy 173787117
Fp_add 181567676
mkvec2 184614213
nbits2prec 187619713
vecsmalltrunc_init 189520707
Fp_mul 201080472
Fp_sub 203072279
mkvecsmall2 233669022
gtofp 254214606
gc_GEN 256142096
lg_increase 314439156
closure_get_data 321079868
closure_get_oper 321104453
closure_codestr 321127202
is_universal_constant 325888535
lgcols 350171988
closure_arity 370980081
is_scalar_t 375843853
bin_copy 497207910
pari_free 510533082
is_bigint 562537386
leafcopy_avma 576653201
vecslice 656192623
is_matvec_t 659948154
F2v_coeff 661329889
F2x_coeff 667900596
pari_malloc 746461095
pari_stack_new 924449031
GENbinbase 964111699
pari_stack_alloc 1019088059
pari_stack_base 1024442684
gc_leaf 1133910928
equali1 1303304925
nbits2extraprec 1499399809
gc_upto 1954870342
odd 2084319626
is_pm1 2201486901
lgpol 2686009233
isintzero 2839565513
bit_accuracy 3163771489
gc_INT 4108527797
prec2lg 4512091194
is_const_t 4924802271
degpol 5507281973
icopy_avma 8040601401
remsBIL 8080352924
divsBIL 8170599137
isonstack 8266239597
is_recursive_t 9324366373

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