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 30550-07450a7a86) Lines: 1419 1532 92.6 %
Date: 2025-11-19 09:22:25 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 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 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 22083
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22788
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 29931
gal_get_roots 32753
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33496
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
F2v_to_F2x 37489
FqX_rem 37743
FqX_div 38568
FqX_deriv 40061
mkcols 40411
bid_get_arch 41187
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47685
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 62523
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68312
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 74578
bnr_get_mod 77119
gal_get_group 80394
mkcol3 88314
gtou 98323
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108850
zeromat 109144
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114566
Q_abs_shallow 120244
mkmatcopy 122284
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138513
zeroser 138908
RgV_is_QV 140762
FqX_factor 141072
get_FpXQX_mod 146583
FlxqX_div_pre 165417
znstar_get_U 176107
rowslicepermute 185031
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200481
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220420
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235926
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249621
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277499
gchar_get_zm 281911
bnf_get_tuN 283007
bnf_get_fu_nocheck 289071
bnf_get_tuU 303584
nf_get_G 303653
vec_prepend 313983
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334020
cxtoreal 337204
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 355191
ZM_hnfrem 363845
FqX_mul 367812
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384906
RgX_is_QX 400145
perm_conj 418299
FqX_Fq_mul 427293
FqX_extgcd 445047
Z_issquare 458923
nf_get_disc 463863
precdbl 475508
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503010
vecsmall_to_vec 511809
nf_get_sign 519553
mkvec3s 524441
gdivsg 531591
addmuliu 535845
FqX_Fp_mul 572112
prec2nbits_mul 581164
vecsmall_ei 584745
ZM_ZV_mod 596631
RgC_fpnorml2 622073
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754893
gcmpgs 761919
row 764004
rnf_get_nf 786030
ellff_get_a4a6 800035
zero_F2m_copy 845054
FpXX_renormalize 849896
zeropadic 855724
gmin_shallow 878293
affgr 898866
ZXQ_sqr 961094
cgetc 975457
Flx_lead 980680
polx_F2x 1072865
pr_norm 1088673
sstoQ 1097215
Fp_invsafe 1100550
Flx_mulu 1105462
vecsmall_max 1164658
mkfracss 1209563
RgV_isscalar 1210305
gen_I 1269836
RgX_is_monomial 1331858
mkoo 1332077
bnf_get_sunits 1367785
bnr_get_nf 1368109
rnf_get_absdegree 1392746
zero_Flx 1426957
constant_coeff 1441412
guncloneNULL_deep 1446237
Rg_col_ei 1451341
inf_get_sign 1453180
vecsmall_concat 1464403
nf_get_varn 1503606
bid_get_mod 1521922
F2m_flip 1553228
F2v_flip 1553228
F2x_flip 1553228
F2x_div 1555521
uutoQ 1600198
nf_get_roots 1627926
bnf_get_gen 1680313
vec_ei 1714650
gsubgs 1724801
ulogint 1730270
mkvecsmall5 1731106
nf_get_roundG 1746678
abgrp_get_gen 1765029
ellinf 1869847
modpr_get_p 1888432
get_F2x_degree 1929028
killblock 1929888
Flx_div 1999075
ellnf_get_nf 2027586
ellff_get_field 2036878
bnr_get_bid 2045869
ell_get_j 2126227
bid_get_MOD 2157262
bid_get_sprk 2157984
ZXQ_mul 2162061
zv_copy 2184059
bid_get_fact2 2201583
gc_slice 2204852
pol_xn 2249968
pari_realloc_ip 2267871
bid_get_archp 2397121
bid_get_fact 2498943
get_F2x_mod 2499209
rnf_get_degree 2506307
bnr_get_cyc 2522335
get_F2x_var 2534164
ell_get_b4 2550216
Flv_copy 2555318
mul_content 2654207
RgX_coeff 2669861
vecslicepermute 2690161
hash_str 2756815
cyc_get_expo 2757781
perm_inv 2782875
sqrtnr 2808828
zero_Flm 2829917
bnr_get_clgp 2830023
rnf_get_pol 2845164
znstar_get_pe 2868790
F2x_equal1 2874027
bnf_get_logfu 2874737
gisdouble 2987830
mkpolmod 3105034
Fq_red 3106423
bit_accuracy_mul 3175472
ZV_to_zv 3211414
identity_perm 3242389
F3m_coeff 3256666
identity_zv 3266739
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394572
vec_append 3465580
zero_F2v 3647792
bid_get_U 3680238
bnf_get_cyc 3686065
nf_get_index 3711375
bnr_get_bnf 3750919
pol_1 3756430
pol_x 3858330
ell_get_b6 3863115
mulsubii 3881017
pol1_F2x 3958146
vec_to_vecsmall 4036853
vecsmall_append 4111361
sqrfrac 4148247
vecsmall_copy 4404263
mkcol2s 4416244
F2x_equal 4595410
FpXQX_renormalize 4693607
mkmat 4750915
qfb_disc3 4990885
mkfraccopy 4999280
is_rational_t 5035336
bnf_get_clgp 5374923
nf_get_zkprimpart 5416779
nf_get_zkden 5462583
FpX_div 5581277
checkell_i 5593289
pari_stack_delete 5627620
isintm1 5711089
bid_get_cyc 5739598
bid_get_grp 5804452
col_ei 5925978
pari_stack_init 6084126
get_FpX_degree 6424882
Flm_copy 6433721
sqrti 6665914
get_FpX_var 6957870
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106161
ZM_lll 7112567
RgX_gtofp 7147719
znstar_get_faN 7330731
ell_get_b2 7371030
ZX_is_monic 7376005
zc_to_ZC 7823902
vecsmall_to_col 7838113
znstar_get_conreycyc 7978902
F2m_coeff 8035977
Q_abs 8064077
mkintmod 8092590
ZV_ZV_mod 8131245
RgM_gtofp 8252493
Flx_equal1 8331131
gc_INT_affii 8487944
ell_get_a4 8536702
Flm_row 8742644
ell_get_a3 8814029
ell_get_a1 8997061
cxtofp 9084290
veclast 9372682
ismpzero 9584000
is_intreal_t 9584107
const_col 9729907
RgM_dimensions 9742248
nf_get_invzk 9766099
bnf_get_nf 9863727
mkvec4 10106243
ser_isexactzero 10120284
ell_get_a6 10370940
mkcol 10641002
ZC_hnfrem 10690805
mul_denom 10710261
ell_get_c4 11017688
Fp_addmul 11374805
pr_get_gen 12063060
vectrunc_init 12065687
abgrp_get_cyc 12230249
F2v_clear 12353777
F2x_clear 12353779
ell_get_type 12499328
nbits2nlong 12681933
pol0_F2x 13189674
ell_get_c6 13474088
gmax_shallow 13510218
modpr_get_T 13867695
closure_get_frame 14170208
zeromatcopy 14240653
rowpermute 14709480
Fp_div 15035145
Fp_divu 15129648
mkvec5 15185322
pr_get_e 15953460
vectrunc_append 16161278
ell_get_disc 16814581
matslice 16816899
pr_is_inert 16910841
normalize_frac 17204951
isint1 17586394
mkvecsmall4 17839437
Fp_center_i 18061106
cxcompotor 18220276
qfb_disc 18514503
const_vecsmall 19707536
vecpermute 20531993
nf_get_M 21172803
Flx_div_pre 21709700
RgM_shallowcopy 22169837
Fp_double 22321460
RgX_is_ZX 22422679
gmulgs 22452028
nf_get_r1 22893384
ZV_isscalar 23098938
Fp_inv 23439826
get_Flx_mod 25603111
pr_get_f 26042785
RgX_equal_var 26882920
shallowcopy 27640726
mkqfb 27919899
zerovec 28455626
modpr_get_pr 31238382
Fp_neg 31482393
hash_str_len 31549996
RgV_is_ZV 32166732
submulii 32847732
mkmat2 33659155
RgC_gtofp 34011238
const_vec 34481301
zero_zv 36723662
polx_Flx 37832873
lincombii 38183372
znstar_get_N 38653757
closure_is_variadic 40168712
mkfrac 41637643
zeropol 42358742
powii 43178546
is_vec_t 43947645
absfrac 46643746
guncloneNULL 48229037
pr_get_tau 48873511
mkmat22 50275608
ell_is_inf 52512026
QV_isscalar 54402187
pol1_Flx 55080809
zero_Flv 59484092
F2x_copy 59591485
addmuliu_inplace 59767088
submuliu_inplace 60260767
gtodouble 60797306
is_real_t 62063857
qfb_is_qfi 62944625
Fp_sqr 64637696
Fp_mulu 68157187
get_Flx_var 68397090
mkvec 71157211
nf_get_degree 71352055
Fp_center 77215114
vecsmallpermute 78729297
rowslice 79330122
sqrtr 80364355
perm_mul 80924949
Fp_red 82086247
get_Flx_degree 82483462
pol_0 83002170
gtos 85854599
is_noncalc_t 85864459
cxnorm 90946326
mkcomplex 91631632
pr_get_p 91710949
dbllog2r 92830783
nf_get_pol 98060034
F2v_set 101401437
vecsmalltrunc_append 101494029
cgiv 102106263
RgX_copy 103408767
pol0_Flx 103476928
prec2nbits 103958657
mkvecsmall3 104053787
vecsmall_prefixcmp 108088071
gc_all 110008226
F2x_renormalize 114232408
mkvec3 118380547
zerocol 122289077
gaddgs 123248627
both_odd 123960149
F2x_set 124537196
nchar2nlong 127410472
mkvecsmall 131648684
equalim1 139505755
bit_prec 142661514
FpX_renormalize 144577744
ZX_renormalize 154991075
mkcol2 156853574
nbrows 157474509
leading_coeff 170558005
Flx_copy 173812425
Fp_add 181597288
mkvec2 185855659
nbits2prec 186128153
vecsmalltrunc_init 191833710
Fp_mul 201080996
Fp_sub 203518188
mkvecsmall2 233643487
gtofp 254251695
gc_GEN 256181780
gmulgu 282059385
lg_increase 319723490
closure_get_data 321331551
closure_get_oper 321350228
closure_codestr 321364276
is_universal_constant 325802881
lgcols 350253870
closure_arity 371247882
is_scalar_t 375670396
bin_copy 497337941
pari_free 510753976
is_bigint 562583645
leafcopy_avma 577348041
vecslice 655939005
is_matvec_t 659351766
F2v_coeff 661310781
F2x_coeff 667937707
pari_malloc 746636722
pari_stack_new 924901120
GENbinbase 964377732
pari_stack_alloc 1019585665
pari_stack_base 1025186645
gc_leaf 1133525775
equali1 1175175513
nbits2extraprec 1456332845
gc_upto 1949166499
odd 2085742269
is_pm1 2202711641
lgpol 2682542919
isintzero 2837282188
bit_accuracy 3158598874
gc_INT 4103196586
prec2lg 4465980136
is_const_t 4887903577
degpol 5505364758
remsBIL 8002365798
icopy_avma 8035662333
divsBIL 8093366183
isonstack 8255401673
is_recursive_t 9238842851

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