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 30571-c0dfe82732) Lines: 1419 1532 92.6 %
Date: 2025-12-08 09:22:00 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
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2862
gchar_set_nfprec 2968
vecsmall_reverse 3066
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 4459
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 8379
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
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 15370
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 22083
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22795
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 27880
gal_get_invvdm 27888
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29946
gal_get_roots 32760
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33539
Qtoss 35322
gal_get_pol 36344
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37873
FqX_div 38568
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 58574
RgX_fpnorml2 61629
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64855
RgX_is_rational 68324
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 74582
bnr_get_mod 77147
gal_get_group 80402
mkcol3 88314
gtou 98313
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108861
zeromat 109143
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114620
Q_abs_shallow 120252
mkmatcopy 122275
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138713
zeroser 138908
RgV_is_QV 140786
FqX_factor 141079
get_FpXQX_mod 146583
FlxqX_div_pre 165411
znstar_get_U 176107
rowslicepermute 184746
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200560
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220438
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235947
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249620
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277500
gchar_get_zm 281911
bnf_get_tuN 282998
bnf_get_fu_nocheck 289089
bnf_get_tuU 303575
nf_get_G 304165
vec_prepend 313992
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334020
cxtoreal 337202
upr_norm 346134
RgX_renormalize 349807
abgrp_get_no 355200
ZM_hnfrem 363869
FqX_mul 367830
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384926
RgX_is_QX 400148
perm_conj 418299
FqX_Fq_mul 427287
FqX_extgcd 445098
Z_issquare 458924
nf_get_disc 463980
precdbl 475513
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519564
mkvec3s 524441
gdivsg 531590
addmuliu 535827
FqX_Fp_mul 572227
prec2nbits_mul 581166
vecsmall_ei 584699
ZM_ZV_mod 596664
RgC_fpnorml2 622141
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754901
gcmpgs 761923
row 764016
rnf_get_nf 786030
ellff_get_a4a6 800023
zero_F2m_copy 845236
FpXX_renormalize 849896
zeropadic 855667
gmin_shallow 878365
affgr 898866
ZXQ_sqr 961158
cgetc 975455
Flx_lead 980370
polx_F2x 1078698
pr_norm 1090241
sstoQ 1097215
Fp_invsafe 1100560
Flx_mulu 1105476
vecsmall_max 1164728
mkfracss 1209563
RgV_isscalar 1210305
gen_I 1269827
RgX_is_monomial 1331722
mkoo 1331968
bnf_get_sunits 1367841
bnr_get_nf 1368175
rnf_get_absdegree 1392746
zero_Flx 1426724
constant_coeff 1441416
guncloneNULL_deep 1441467
Rg_col_ei 1451774
inf_get_sign 1453093
vecsmall_concat 1464438
nf_get_varn 1503784
bid_get_mod 1521922
F2m_flip 1554208
F2v_flip 1554208
F2x_flip 1554208
F2x_div 1570532
uutoQ 1600198
nf_get_roots 1628505
bnf_get_gen 1680413
vec_ei 1714749
ulogint 1722618
gsubgs 1724783
mkvecsmall5 1731098
nf_get_roundG 1747493
abgrp_get_gen 1765125
ellinf 1869481
modpr_get_p 1888614
get_F2x_degree 1929074
killblock 1930363
Flx_div 1999134
ellnf_get_nf 2027641
ellff_get_field 2036862
bnr_get_bid 2046145
ell_get_j 2126227
bid_get_MOD 2157273
bid_get_sprk 2158001
ZXQ_mul 2162196
zv_copy 2183945
bid_get_fact2 2201593
gc_slice 2205003
pol_xn 2249939
pari_realloc_ip 2269076
bid_get_archp 2397099
bid_get_fact 2498946
get_F2x_mod 2499234
rnf_get_degree 2506307
bnr_get_cyc 2522601
get_F2x_var 2534248
ell_get_b4 2550216
Flv_copy 2555206
mul_content 2655042
RgX_coeff 2669861
vecslicepermute 2690905
hash_str 2756815
cyc_get_expo 2757838
perm_inv 2782994
sqrtnr 2809674
bnr_get_clgp 2830290
zero_Flm 2830499
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2874108
bnf_get_logfu 2874803
gisdouble 2993026
mkpolmod 3105223
Fq_red 3106506
bit_accuracy_mul 3175472
ZV_to_zv 3211422
identity_perm 3242930
F3m_coeff 3256768
identity_zv 3267281
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394574
vec_append 3465701
zero_F2v 3648464
bid_get_U 3680249
bnf_get_cyc 3686697
nf_get_index 3712393
bnr_get_bnf 3751405
pol_1 3756676
pol_x 3858365
ell_get_b6 3863115
mulsubii 3882661
pol1_F2x 3958210
vec_to_vecsmall 4036856
vecsmall_append 4111388
sqrfrac 4148057
vecsmall_copy 4404948
mkcol2s 4416244
F2x_equal 4658353
FpXQX_renormalize 4693042
mkmat 4751455
qfb_disc3 4995297
mkfraccopy 4999567
is_rational_t 5035643
bnf_get_clgp 5375664
nf_get_zkprimpart 5418373
nf_get_zkden 5464238
FpX_div 5582919
checkell_i 5593271
pari_stack_delete 5623411
isintm1 5711149
bid_get_cyc 5739796
bid_get_grp 5804651
col_ei 5927123
pari_stack_init 6087058
get_FpX_degree 6424879
Flm_copy 6435581
sqrti 6666923
get_FpX_var 6957939
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106187
ZM_lll 7117873
RgX_gtofp 7147826
znstar_get_faN 7331711
ell_get_b2 7371020
ZX_is_monic 7376202
zc_to_ZC 7824306
vecsmall_to_col 7838488
znstar_get_conreycyc 7979693
F2m_coeff 8039492
Q_abs 8064303
mkintmod 8092563
ZV_ZV_mod 8131586
RgM_gtofp 8259909
Flx_equal1 8331193
gc_INT_affii 8497936
ell_get_a4 8536728
Flm_row 8742518
ell_get_a3 8814045
ell_get_a1 8997077
cxtofp 9084585
veclast 9372762
ismpzero 9586485
is_intreal_t 9586594
const_col 9730268
RgM_dimensions 9742762
nf_get_invzk 9769462
bnf_get_nf 9865073
mkvec4 10107035
ser_isexactzero 10120284
ell_get_a6 10370966
mkcol 10641625
ZC_hnfrem 10696776
mul_denom 10713564
ell_get_c4 11017871
Fp_addmul 11329553
vectrunc_init 12066368
pr_get_gen 12069710
abgrp_get_cyc 12231314
F2x_clear 12357495
F2v_clear 12357498
ell_get_type 12499245
nbits2nlong 12678694
pol0_F2x 13246537
ell_get_c6 13474243
gmax_shallow 13510227
modpr_get_T 13867954
closure_get_frame 14173857
zeromatcopy 14251876
rowpermute 14710834
Fp_div 15035211
Fp_divu 15129705
mkvec5 15187127
pr_get_e 16105539
vectrunc_append 16160595
ell_get_disc 16814956
matslice 16824044
pr_is_inert 17150606
normalize_frac 17206793
isint1 17587111
mkvecsmall4 17826857
Fp_center_i 18061510
cxcompotor 18220814
qfb_disc 18514482
const_vecsmall 19711914
vecpermute 20545014
nf_get_M 21308761
Flx_div_pre 21714518
RgM_shallowcopy 22179150
Fp_double 22199163
RgX_is_ZX 22425990
gmulgs 22601863
nf_get_r1 23029283
ZV_isscalar 23236261
Fp_inv 23444344
get_Flx_mod 25609714
pr_get_f 26350632
RgX_equal_var 26883212
shallowcopy 27643032
mkqfb 27928705
zerovec 28455832
modpr_get_pr 31238893
Fp_neg 31482004
hash_str_len 31551590
RgV_is_ZV 32167326
submulii 32848628
mkmat2 33663718
RgC_gtofp 34043689
const_vec 34489474
zero_zv 36746800
polx_Flx 37838873
lincombii 38227394
znstar_get_N 38655073
mkfrac 41644117
zeropol 42358680
powii 43178803
is_vec_t 43951813
closure_is_variadic 44826942
absfrac 46644653
guncloneNULL 48227221
pr_get_tau 49577830
mkmat22 50285479
ell_is_inf 52483626
QV_isscalar 54418805
pol1_Flx 55092226
zero_Flv 59572696
addmuliu_inplace 59702834
submuliu_inplace 60191678
F2x_copy 60423073
gtodouble 60798492
is_real_t 62063901
qfb_is_qfi 62936768
Fp_sqr 64264133
Fp_mulu 67595992
get_Flx_var 68413871
mkvec 71159381
nf_get_degree 71371329
Fp_center 77246793
vecsmallpermute 78739077
rowslice 79354679
sqrtr 80385255
perm_mul 80934793
Fp_red 82087799
get_Flx_degree 82274336
pol_0 83002250
gtos 85854577
is_noncalc_t 85878892
cxnorm 91221701
mkcomplex 91629571
pr_get_p 92491747
dbllog2r 92830936
nf_get_pol 98085622
F2v_set 101405604
vecsmalltrunc_append 101548299
cgiv 102283267
RgX_copy 103409248
pol0_Flx 103528971
prec2nbits 103968062
mkvecsmall3 104049563
vecsmall_prefixcmp 108088071
gc_all 110027587
F2x_renormalize 115171911
mkvec3 117708552
zerocol 122360039
gaddgs 123248613
both_odd 123867934
F2x_set 124738120
nchar2nlong 127437994
mkvecsmall 131703977
equalim1 139505872
bit_prec 142844336
FpX_renormalize 144585677
ZX_renormalize 155026238
mkcol2 156895636
nbrows 157539089
leading_coeff 170556372
Flx_copy 173812388
Fp_add 181361166
mkvec2 184989968
nbits2prec 186156364
vecsmalltrunc_init 190005965
Fp_mul 200998677
Fp_sub 203311517
mkvecsmall2 233658135
gtofp 254392959
gc_GEN 256250980
gmulgu 282059385
lg_increase 317908578
closure_get_data 321490151
closure_get_oper 321523376
closure_codestr 321554485
is_universal_constant 325909742
lgcols 350857452
closure_arity 371401496
is_scalar_t 375677946
bin_copy 497441392
pari_free 510848105
is_bigint 562982568
leafcopy_avma 577134787
vecslice 656251283
is_matvec_t 659496843
F2v_coeff 661335693
F2x_coeff 667937038
pari_malloc 746741994
pari_stack_new 925062448
GENbinbase 964565079
pari_stack_alloc 1019754917
pari_stack_base 1025355668
gc_leaf 1132516495
equali1 1175732768
nbits2extraprec 1456954049
gc_upto 1951254221
odd 2085036972
is_pm1 2203965129
lgpol 2681176237
isintzero 2843464720
bit_accuracy 3163702292
gc_INT 4110397633
prec2lg 4468707626
is_const_t 4895141831
degpol 5499277297
remsBIL 8006830908
icopy_avma 8042273550
divsBIL 8096773254
isonstack 8265018163
is_recursive_t 9240232306

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