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 30552-d1d0643eee) Lines: 1419 1532 92.6 %
Date: 2025-11-22 09:22:46 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 357
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 3983
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4144
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
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
gval 6230
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
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11556
vectrunc_append_batch 12306
ZX_equal1 12893
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15391
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 22079
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22787
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
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 33279
mkcolcopy 33501
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 37855
FqX_div 38569
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47699
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 62522
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68311
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 74576
bnr_get_mod 77119
gal_get_group 80393
mkcol3 88314
gtou 98296
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108850
zeromat 109131
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114571
Q_abs_shallow 120231
mkmatcopy 122244
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138521
zeroser 138908
RgV_is_QV 140763
FqX_factor 141072
get_FpXQX_mod 146583
FlxqX_div_pre 165415
znstar_get_U 176107
rowslicepermute 184812
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200496
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 235924
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249622
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277498
gchar_get_zm 281911
bnf_get_tuN 283003
bnf_get_fu_nocheck 289077
bnf_get_tuU 303576
nf_get_G 303592
vec_prepend 313998
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334026
cxtoreal 337206
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 355190
ZM_hnfrem 363852
FqX_mul 367816
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384907
RgX_is_QX 400144
perm_conj 418299
FqX_Fq_mul 427297
FqX_extgcd 445048
Z_issquare 458925
nf_get_disc 463865
precdbl 475517
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503010
vecsmall_to_vec 511809
nf_get_sign 519552
mkvec3s 524441
gdivsg 531591
addmuliu 535755
FqX_Fp_mul 572123
prec2nbits_mul 581163
vecsmall_ei 584744
ZM_ZV_mod 596624
RgC_fpnorml2 622080
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754902
gcmpgs 761926
row 764003
rnf_get_nf 786030
ellff_get_a4a6 800036
zero_F2m_copy 845092
FpXX_renormalize 849896
zeropadic 855722
gmin_shallow 878338
affgr 898866
ZXQ_sqr 961001
cgetc 975459
Flx_lead 980523
polx_F2x 1078399
pr_norm 1088596
sstoQ 1097215
Fp_invsafe 1100553
Flx_mulu 1105472
vecsmall_max 1164695
mkfracss 1209563
RgV_isscalar 1210306
gen_I 1269842
RgX_is_monomial 1331831
mkoo 1332068
bnf_get_sunits 1367782
bnr_get_nf 1368122
rnf_get_absdegree 1392746
zero_Flx 1426678
constant_coeff 1441398
guncloneNULL_deep 1446323
Rg_col_ei 1451358
inf_get_sign 1453177
vecsmall_concat 1464426
nf_get_varn 1503724
bid_get_mod 1521922
F2m_flip 1554077
F2v_flip 1554077
F2x_flip 1554077
F2x_div 1569881
uutoQ 1600198
nf_get_roots 1627876
bnf_get_gen 1680314
ulogint 1709714
vec_ei 1714594
gsubgs 1724813
mkvecsmall5 1731104
nf_get_roundG 1746627
abgrp_get_gen 1765025
ellinf 1869718
modpr_get_p 1888432
get_F2x_degree 1928948
killblock 1930599
Flx_div 1999008
ellnf_get_nf 2027629
ellff_get_field 2036859
bnr_get_bid 2045870
ell_get_j 2126227
bid_get_MOD 2157261
bid_get_sprk 2157984
ZXQ_mul 2161954
zv_copy 2184043
bid_get_fact2 2201583
gc_slice 2204955
pol_xn 2249936
pari_realloc_ip 2267667
bid_get_archp 2397123
bid_get_fact 2498941
get_F2x_mod 2499207
rnf_get_degree 2506307
bnr_get_cyc 2522338
get_F2x_var 2534075
ell_get_b4 2550216
Flv_copy 2555305
mul_content 2654109
RgX_coeff 2669861
vecslicepermute 2690096
hash_str 2756815
cyc_get_expo 2757780
perm_inv 2782904
sqrtnr 2808801
bnr_get_clgp 2830022
zero_Flm 2830177
rnf_get_pol 2845164
znstar_get_pe 2868790
F2x_equal1 2874117
bnf_get_logfu 2874744
gisdouble 2988074
mkpolmod 3105123
Fq_red 3106340
bit_accuracy_mul 3175472
ZV_to_zv 3211415
identity_perm 3242630
F3m_coeff 3256717
identity_zv 3266980
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394536
vec_append 3465571
zero_F2v 3648039
bid_get_U 3680241
bnf_get_cyc 3686070
nf_get_index 3711372
bnr_get_bnf 3750912
pol_1 3756391
pol_x 3858367
ell_get_b6 3863115
mulsubii 3881150
pol1_F2x 3957126
vec_to_vecsmall 4036840
vecsmall_append 4111379
sqrfrac 4148200
vecsmall_copy 4404170
mkcol2s 4416244
F2x_equal 4655146
FpXQX_renormalize 4693811
mkmat 4750797
qfb_disc3 4991091
mkfraccopy 4999339
is_rational_t 5035358
bnf_get_clgp 5374923
nf_get_zkprimpart 5416701
nf_get_zkden 5462554
FpX_div 5581242
checkell_i 5593358
pari_stack_delete 5623670
isintm1 5711208
bid_get_cyc 5739590
bid_get_grp 5804437
col_ei 5925928
pari_stack_init 6084382
get_FpX_degree 6424832
Flm_copy 6433781
sqrti 6665965
get_FpX_var 6957873
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106179
ZM_lll 7112852
RgX_gtofp 7147704
znstar_get_faN 7330731
ell_get_b2 7371041
ZX_is_monic 7375993
zc_to_ZC 7823733
vecsmall_to_col 7837917
znstar_get_conreycyc 7978902
F2m_coeff 8038921
Q_abs 8064093
mkintmod 8092751
ZV_ZV_mod 8131299
RgM_gtofp 8253047
Flx_equal1 8331231
gc_INT_affii 8488054
ell_get_a4 8536720
Flm_row 8742300
ell_get_a3 8814058
ell_get_a1 8997090
cxtofp 9085539
veclast 9372661
ismpzero 9583774
is_intreal_t 9583888
const_col 9729907
RgM_dimensions 9742068
nf_get_invzk 9765991
bnf_get_nf 9863729
mkvec4 10106213
ser_isexactzero 10120284
ell_get_a6 10370958
mkcol 10640977
ZC_hnfrem 10690843
mul_denom 10710241
ell_get_c4 11017970
Fp_addmul 11436084
pr_get_gen 12062951
vectrunc_init 12066118
abgrp_get_cyc 12230229
F2x_clear 12355412
F2v_clear 12355415
ell_get_type 12499449
nbits2nlong 12677891
pol0_F2x 13237795
ell_get_c6 13474366
gmax_shallow 13510220
modpr_get_T 13867680
closure_get_frame 14170357
zeromatcopy 14241245
rowpermute 14709680
Fp_div 15034832
Fp_divu 15129255
mkvec5 15185295
pr_get_e 15952808
vectrunc_append 16162020
ell_get_disc 16814923
matslice 16818090
pr_is_inert 16910282
normalize_frac 17205071
isint1 17586654
mkvecsmall4 17837479
Fp_center_i 18060131
cxcompotor 18222751
qfb_disc 18514530
const_vecsmall 19707100
vecpermute 20531343
nf_get_M 21171777
Flx_div_pre 21706289
RgM_shallowcopy 22171073
RgX_is_ZX 22422602
Fp_double 22468051
gmulgs 22508966
nf_get_r1 22892336
ZV_isscalar 23097932
Fp_inv 23440263
get_Flx_mod 25602953
pr_get_f 26041949
RgX_equal_var 26883198
shallowcopy 27640122
mkqfb 27920298
zerovec 28455590
modpr_get_pr 31238359
Fp_neg 31478421
hash_str_len 31550252
RgV_is_ZV 32166734
submulii 32847732
mkmat2 33658867
RgC_gtofp 34014745
const_vec 34480734
zero_zv 36736971
polx_Flx 37829366
lincombii 38190914
znstar_get_N 38653757
mkfrac 41642647
zeropol 42358718
powii 43178438
is_vec_t 43939419
closure_is_variadic 44821628
absfrac 46643758
guncloneNULL 48229032
pr_get_tau 48872233
mkmat22 50276457
ell_is_inf 52477291
QV_isscalar 54401700
pol1_Flx 55077902
zero_Flv 59495401
addmuliu_inplace 59702668
submuliu_inplace 60198578
F2x_copy 60380330
gtodouble 60801088
is_real_t 62063859
qfb_is_qfi 62937130
Fp_sqr 65029380
get_Flx_var 68395481
Fp_mulu 70669521
mkvec 71162795
nf_get_degree 71351228
Fp_center 77243362
vecsmallpermute 78733038
rowslice 79341945
sqrtr 80368092
perm_mul 80928624
Fp_red 82084717
pol_0 83002142
get_Flx_degree 83679710
gtos 85854592
is_noncalc_t 85865373
cxnorm 90947248
mkcomplex 91641463
pr_get_p 91709573
dbllog2r 92832539
nf_get_pol 98058999
F2v_set 101403948
vecsmalltrunc_append 101461762
cgiv 102120877
RgX_copy 103409216
pol0_Flx 103507452
prec2nbits 103957303
mkvecsmall3 104045013
vecsmall_prefixcmp 108088071
gc_all 110008009
F2x_renormalize 115183460
mkvec3 121977305
zerocol 122293767
gaddgs 123248602
both_odd 124007985
F2x_set 124726095
nchar2nlong 127411428
mkvecsmall 131679730
equalim1 139505896
bit_prec 142678713
FpX_renormalize 144577722
ZX_renormalize 155005335
mkcol2 156853055
nbrows 157480582
leading_coeff 170559508
Flx_copy 173808959
Fp_add 181816778
mkvec2 184263102
nbits2prec 186149677
vecsmalltrunc_init 188658732
Fp_mul 201190048
Fp_sub 203805996
mkvecsmall2 233640134
gtofp 254262844
gc_GEN 256230083
gmulgu 282059384
lg_increase 313080691
closure_get_data 321332597
closure_get_oper 321349729
closure_codestr 321364673
is_universal_constant 325871789
lgcols 350261853
closure_arity 371251016
is_scalar_t 375670647
bin_copy 497349121
pari_free 510762948
is_bigint 562617219
leafcopy_avma 576914545
vecslice 656073595
is_matvec_t 659323906
F2v_coeff 661327854
F2x_coeff 667865156
pari_malloc 746663194
pari_stack_new 924882696
GENbinbase 964389013
pari_stack_alloc 1019565384
pari_stack_base 1025158865
gc_leaf 1138207270
equali1 1175175623
nbits2extraprec 1456305347
gc_upto 1949253852
odd 2084260373
is_pm1 2203835794
lgpol 2692634669
isintzero 2838087405
bit_accuracy 3162716019
gc_INT 4104968267
prec2lg 4466081967
is_const_t 4888691931
degpol 5521031416
remsBIL 8005287900
icopy_avma 8036179560
divsBIL 8096210370
isonstack 8261997237
is_recursive_t 9238774831

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