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 30532-0c728fd268) Lines: 1419 1532 92.6 %
Date: 2025-10-20 09:22:51 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 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 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
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
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 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
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 22080
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22781
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 33237
mkcolcopy 33506
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 37807
FqX_div 38547
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41507
znstar_get_Ui 46788
pari_calloc 47671
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58477
RgX_fpnorml2 61608
err_get_num 62529
bid_get_gen 64274
nf_get_ramified_primes 64812
RgX_is_rational 68306
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 77118
gal_get_group 80395
mkcol3 88314
gtou 98324
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108849
zeromat 109176
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114572
Q_abs_shallow 120245
mkmatcopy 122267
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138522
zeroser 138824
RgV_is_QV 140762
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165414
znstar_get_U 176107
rowslicepermute 185041
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200499
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 235918
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249594
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277493
gchar_get_zm 281911
bnf_get_tuN 282999
bnf_get_fu_nocheck 289076
bnf_get_tuU 303577
nf_get_G 303621
vec_prepend 313999
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333156
cxtoreal 337177
upr_norm 346133
RgX_renormalize 349807
abgrp_get_no 355185
ZM_hnfrem 363831
FqX_mul 367818
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384895
RgX_is_QX 400134
perm_conj 418299
FqX_Fq_mul 427295
FqX_extgcd 445048
Z_issquare 458925
nf_get_disc 463869
precdbl 475531
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503010
vecsmall_to_vec 511585
nf_get_sign 519552
mkvec3s 524441
gdivsg 531336
addmuliu 541173
FqX_Fp_mul 572117
prec2nbits_mul 581138
vecsmall_ei 584709
ZM_ZV_mod 596614
RgC_fpnorml2 622066
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 755024
gcmpgs 761928
row 764009
rnf_get_nf 786030
ellff_get_a4a6 800045
zero_F2m_copy 845110
FpXX_renormalize 849896
zeropadic 855773
gmin_shallow 878302
affgr 898817
ZXQ_sqr 961076
cgetc 975622
Flx_lead 980622
polx_F2x 1078473
pr_norm 1088614
sstoQ 1097215
Fp_invsafe 1100352
Flx_mulu 1105142
vecsmall_max 1164584
mkfracss 1209563
RgV_isscalar 1210306
gen_I 1269849
RgX_is_monomial 1331274
mkoo 1331994
bnf_get_sunits 1367776
bnr_get_nf 1368110
guncloneNULL_deep 1385780
rnf_get_absdegree 1392746
zero_Flx 1427051
constant_coeff 1441502
Rg_col_ei 1451336
inf_get_sign 1453098
vecsmall_concat 1464352
nf_get_varn 1503584
bid_get_mod 1521921
F2m_flip 1554195
F2v_flip 1554195
F2x_flip 1554195
F2x_div 1570300
uutoQ 1600142
nf_get_roots 1627868
bnf_get_gen 1680313
vec_ei 1714601
ulogint 1719044
gsubgs 1724188
mkvecsmall5 1730614
nf_get_roundG 1746650
abgrp_get_gen 1765027
ellinf 1868502
modpr_get_p 1888432
killblock 1900263
get_F2x_degree 1929159
Flx_div 1999004
ellnf_get_nf 2027608
ellff_get_field 2036896
bnr_get_bid 2045865
ell_get_j 2126227
bid_get_MOD 2157247
bid_get_sprk 2157966
ZXQ_mul 2162043
pari_realloc_ip 2180255
zv_copy 2184154
bid_get_fact2 2201574
gc_slice 2205040
pol_xn 2249948
bid_get_archp 2397042
bid_get_fact 2498920
get_F2x_mod 2499322
rnf_get_degree 2506307
bnr_get_cyc 2522338
get_F2x_var 2534301
ell_get_b4 2549033
Flv_copy 2555413
mul_content 2654156
RgX_coeff 2669371
vecslicepermute 2690608
hash_str 2754914
cyc_get_expo 2757764
perm_inv 2782757
sqrtnr 2807595
bnr_get_clgp 2830022
zero_Flm 2830208
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2874256
bnf_get_logfu 2874713
gisdouble 2987782
mkpolmod 3105023
Fq_red 3106441
bit_accuracy_mul 3175454
ZV_to_zv 3211413
identity_perm 3242573
F3m_coeff 3256769
identity_zv 3266923
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394348
vec_append 3465621
zero_F2v 3648075
bid_get_U 3680225
bnf_get_cyc 3686069
nf_get_index 3711290
bnr_get_bnf 3750903
pol_1 3756358
pol_x 3856805
ell_get_b6 3861932
mulsubii 3881653
pol1_F2x 3958942
vec_to_vecsmall 4036822
vecsmall_append 4111390
sqrfrac 4147689
vecsmall_copy 4404254
mkcol2s 4416244
F2x_equal 4658857
FpXQX_renormalize 4693307
mkmat 4750796
qfb_disc3 4990837
mkfraccopy 4998968
is_rational_t 5035131
bnf_get_clgp 5374925
pari_stack_delete 5386133
nf_get_zkprimpart 5416300
nf_get_zkden 5462154
FpX_div 5581052
checkell_i 5593304
isintm1 5704379
bid_get_cyc 5739508
bid_get_grp 5804358
pari_stack_init 5835185
col_ei 5925747
get_FpX_degree 6424445
Flm_copy 6433479
sqrti 6665602
get_FpX_var 6958022
RgX_div 7000740
vecsmall_lexcmp 7043255
ell_get_a2 7105479
ZM_lll 7112316
RgX_gtofp 7147956
znstar_get_faN 7330731
ell_get_b2 7369852
ZX_is_monic 7375998
zc_to_ZC 7823985
vecsmall_to_col 7838174
znstar_get_conreycyc 7978902
F2m_coeff 8039107
Q_abs 8062581
mkintmod 8092676
ZV_ZV_mod 8131189
RgM_gtofp 8252050
Flx_equal1 8327476
gc_INT_affii 8490471
ell_get_a4 8536020
Flm_row 8742091
ell_get_a3 8813352
ell_get_a1 8996384
cxtofp 9082801
veclast 9372680
ismpzero 9583733
is_intreal_t 9583849
const_col 9729870
RgM_dimensions 9742060
nf_get_invzk 9765304
bnf_get_nf 9863703
ser_isexactzero 10079479
mkvec4 10105975
ell_get_a6 10370258
mkcol 10641007
ZC_hnfrem 10690696
mul_denom 10709916
ell_get_c4 10728661
Fp_addmul 11404253
pr_get_gen 12062068
vectrunc_init 12065565
abgrp_get_cyc 12230150
F2x_clear 12355662
F2v_clear 12355668
ell_get_type 12499335
nbits2nlong 12651069
ell_get_c6 12892006
pol0_F2x 13247475
gmax_shallow 13510220
modpr_get_T 13867538
closure_get_frame 14147681
zeromatcopy 14240062
rowpermute 14709359
Fp_div 15035424
Fp_divu 15135242
mkvec5 15184827
pr_get_e 15952864
vectrunc_append 16160403
ell_get_disc 16525574
matslice 16817289
pr_is_inert 16910214
normalize_frac 17204390
isint1 17572047
mkvecsmall4 17824166
Fp_center_i 18047871
cxcompotor 18217234
qfb_disc 18514423
const_vecsmall 19663438
vecpermute 20533173
nf_get_M 21172073
Flx_div_pre 21703981
RgM_shallowcopy 22169728
Fp_double 22388758
RgX_is_ZX 22421736
gmulgs 22502274
nf_get_r1 22892503
ZV_isscalar 23098261
Fp_inv 23437721
get_Flx_mod 25597308
pr_get_f 26041193
RgX_equal_var 26880624
shallowcopy 27639733
mkqfb 27919822
zerovec 28455414
Fp_neg 30909053
modpr_get_pr 31237851
hash_str_len 31542847
RgV_is_ZV 32164054
submulii 32847018
mkmat2 33658455
RgC_gtofp 34009619
const_vec 34469256
zero_zv 36739088
polx_Flx 37821697
lincombii 38189889
znstar_get_N 38653757
closure_is_variadic 40153252
mkfrac 41638032
zeropol 42358595
powii 43176836
is_vec_t 43964388
absfrac 46637608
guncloneNULL 48153895
pr_get_tau 48872113
mkmat22 50282672
ell_is_inf 52478290
QV_isscalar 54401134
pol1_Flx 55052175
zero_Flv 59500607
addmuliu_inplace 59687121
submuliu_inplace 60177403
F2x_copy 60430796
gtodouble 60766047
is_real_t 62659216
qfb_is_qfi 62952321
Fp_sqr 64824901
Fp_mulu 67187808
get_Flx_var 68349683
mkvec 71137748
nf_get_degree 71350643
Fp_center 77223358
vecsmallpermute 78730010
rowslice 79336308
sqrtr 80369480
perm_mul 80925391
Fp_red 82090839
get_Flx_degree 82205967
pol_0 82998314
gtos 85833296
is_noncalc_t 85861330
cxnorm 90946815
mkcomplex 91629503
pr_get_p 91709229
dbllog2r 94010986
nf_get_pol 98056368
F2v_set 101404261
vecsmalltrunc_append 101465508
cgiv 102120302
RgX_copy 103404880
pol0_Flx 103517252
mkvecsmall3 104043580
prec2nbits 105720729
vecsmall_prefixcmp 108088071
gc_all 109992537
F2x_renormalize 115247613
mkvec3 117685418
zerocol 122283615
gaddgs 123245802
both_odd 124129458
F2x_set 124791465
nchar2nlong 127389422
mkvecsmall 131679885
equalim1 139504516
bit_prec 143013223
FpX_renormalize 144584643
ZX_renormalize 155028950
mkcol2 156921055
nbrows 157466782
leading_coeff 170554845
Flx_copy 173777330
Fp_add 181704351
mkvec2 184708478
nbits2prec 187645906
vecsmalltrunc_init 189510967
Fp_mul 201137193
Fp_sub 203695345
mkvecsmall2 233594087
gtofp 254196613
gc_GEN 256159325
gmulgu 282058132
lg_increase 313912855
closure_get_data 321440682
closure_get_oper 321470265
closure_codestr 321494049
is_universal_constant 325799551
lgcols 350233517
closure_arity 371332832
is_scalar_t 375643499
bin_copy 497273978
pari_free 510590804
is_bigint 562571080
leafcopy_avma 577281552
vecslice 656050268
is_matvec_t 660003666
F2v_coeff 661328639
F2x_coeff 667989041
pari_malloc 746525028
pari_stack_new 924812037
GENbinbase 964245706
pari_stack_alloc 1019411700
pari_stack_base 1024787825
gc_leaf 1132408451
equali1 1175150913
nbits2extraprec 1498720236
gc_upto 1949594279
odd 2084669490
is_pm1 2201788257
lgpol 2683082837
isintzero 2839092948
bit_accuracy 3163479638
gc_INT 4104047677
prec2lg 4515086629
is_const_t 4890151990
degpol 5500429552
icopy_avma 8035593401
remsBIL 8081352652
divsBIL 8170950793
isonstack 8255609657
is_recursive_t 9244983080

Generated by: LCOV version 1.16