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 30556-bb9f5f8fc8) Lines: 1419 1532 92.6 %
Date: 2025-11-25 09:20:50 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
rowsplice 266
zm_transpose 266
rnf_get_disc 287
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
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
rnf_get_k 1016
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
rnf_get_alpha 1198
gchar_copy_precs 1225
gchar_set_prec 1225
rnf_get_invzk 1225
locs_get_Lgenfil 1288
locs_get_famod 1288
FqX_powu 1295
rnf_get_idealdisc 1310
pari_err_MODULUS 1316
zero_F2x 1350
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 2689
pari_err_DOMAIN 2841
gchar_set_nfprec 2968
vecsmall_reverse 2968
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
FqX_normalize 3437
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3983
gchar_get_evalprec 4011
gchar_get_modP 4095
nf_get_r2 4154
gchar_get_u0 4252
nf_get_diff 4403
F2v_copy 4487
FpXQX_div 4526
nf_get_zk 4620
rnf_get_zk 4670
rnf_get_nfvarn 4712
idealchineseinit 5117
pari_stack_pushp 5851
gal_get_p 5992
FqX_get_red 6090
gval 6230
FqXn_expint 6590
gal_get_orders 6657
FqX_gcd 6874
is_extscalar_t 6876
rnf_get_nfzk 6960
pari_err_SQRTN 7084
FqXn_inv 7126
FqX_roots 7273
submuliu 7742
get_FlxqX_mod 7781
bnr_get_gen 7847
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
ndec2nbits 8270
bnf_get_no 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11179
vectrunc_append_batch 12306
ZX_equal1 12893
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13893
zx_renormalize 14049
pari_err_TYPE 15398
gal_get_gen 15400
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17023
gchar_get_r1 17444
Fp_muls 17780
absfrac_shallow 18465
gchar_get_prec 18795
vec_lengthen 18918
FqX_halve 19411
rnf_get_nfdegree 19482
pari_err_INV 20108
FpXY_Fq_evaly 20587
FqX_mulu 21942
nf_get_Tr 22082
gtomp 22428
RgM_fpnorml2 22614
FqXQ_mul 22766
ZV_dvd 23485
gal_get_mod 23723
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
gal_get_den 27748
gal_get_invvdm 27755
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29925
gal_get_roots 32599
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33251
mkcolcopy 33753
Qtoss 35322
gal_get_pol 36169
gchar_get_S 36995
gchar_get_ns 36995
gchar_get_nc 37261
FqX_div 37264
F2v_to_F2x 37366
closure_get_text 37448
FqX_rem 37743
FqX_deriv 40061
mkcols 40411
bid_get_arch 41179
ndec2nlong 41521
znstar_get_Ui 46788
pari_calloc 47699
FqX_degfact 47758
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 57318
RgX_fpnorml2 61427
err_get_num 62745
bid_get_gen 64211
nf_get_ramified_primes 64365
RgX_is_rational 68031
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 74450
bnr_get_mod 76909
gal_get_group 80290
mkcol3 88314
Q_abs_shallow 96416
gtou 98295
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkvec2copy 104589
zeromat 106933
mkmoo 107382
RgV_isin 110116
RgV_isin_i 110116
mkmatcopy 122027
RgXQX_rem 122438
mkveccopy 122521
FqX_add 127694
rnf_get_map 130806
idealred 138071
RgV_is_QV 138888
zeroser 138908
FqX_factor 140309
get_FpXQX_mod 146583
FlxqX_div_pre 164580
znstar_get_U 176107
rowslicepermute 182360
vecsmall_prepend 186893
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 199658
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 219495
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 233854
rnf_get_nfpol 240597
gchar_get_nf 243911
Fp_halve 247348
affc_fixlg 249622
get_FlxqX_var 261941
znstar_get_cyc 262088
FqXn_mul 263403
bnr_get_no 275736
bnf_get_tuN 281809
gchar_get_zm 281911
bnf_get_fu_nocheck 287885
nf_get_G 299614
bnf_get_tuU 302388
rnf_get_polabs 310741
vec_prepend 312904
get_FlxqX_degree 314995
Flx_constant 334016
cxtoreal 337206
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 353428
ZM_hnfrem 363395
FqX_mul 364555
ellR_get_sign 371535
get_F2xqX_var 375375
RgX_is_QX 380415
vecsplice 384771
perm_conj 418299
FqX_Fq_mul 427202
FqX_extgcd 442405
Z_issquare 458910
nf_get_disc 461424
precdbl 473413
RgX_shift_inplace 479176
RgX_shift_inplace_init 479176
zv_to_ZV 502654
vecsmall_to_vec 511453
nf_get_sign 518566
mkvec3s 524441
gdivsg 531592
addmuliu 535782
FqX_Fp_mul 567814
prec2nbits_mul 581166
vecsmall_ei 584460
ZM_ZV_mod 594541
RgC_fpnorml2 619339
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698376
coltrunc_init 740250
logint 751876
row 761140
gcmpgs 761917
rnf_get_nf 765812
ellff_get_a4a6 800021
zero_F2m_copy 842924
FpXX_renormalize 849800
zeropadic 855389
gmin_shallow 876947
affgr 898838
ZXQ_sqr 957026
cgetc 975458
Flx_lead 979878
polx_F2x 1077344
pr_norm 1079664
sstoQ 1097215
Fp_invsafe 1097735
Flx_mulu 1101047
vecsmall_max 1161335
RgV_isscalar 1208406
mkfracss 1209563
gen_I 1268897
mkoo 1329994
RgX_is_monomial 1331238
bnf_get_sunits 1365584
bnr_get_nf 1366732
zero_Flx 1407393
guncloneNULL_deep 1420382
Rg_col_ei 1424113
constant_coeff 1440857
inf_get_sign 1449638
vecsmall_concat 1455744
nf_get_varn 1500337
bid_get_mod 1520037
F2m_flip 1549050
F2v_flip 1549050
F2x_flip 1549050
F2x_div 1565829
uutoQ 1600149
nf_get_roots 1604233
rnf_get_absdegree 1642880
bnf_get_gen 1676062
vec_ei 1711816
ulogint 1718728
gsubgs 1724684
mkvecsmall5 1730888
nf_get_roundG 1740281
abgrp_get_gen 1760711
F3m_coeff 1781253
ellinf 1869533
modpr_get_p 1883642
killblock 1917804
get_F2x_degree 1928269
Flx_div 1996668
ellnf_get_nf 2027648
ellff_get_field 2036850
bnr_get_bid 2040782
ell_get_j 2126227
ZXQ_mul 2148081
bid_get_MOD 2151279
bid_get_sprk 2152007
gc_slice 2179059
zv_copy 2184030
bid_get_fact2 2195572
pari_realloc_ip 2227645
pol_xn 2250343
bid_get_archp 2390033
bid_get_fact 2490764
get_F2x_mod 2496814
bnr_get_cyc 2518141
Flv_copy 2527468
get_F2x_var 2533288
ell_get_b4 2550216
vecslicepermute 2623548
mul_content 2627967
RgX_coeff 2669861
cyc_get_expo 2753044
hash_str 2756836
perm_inv 2765837
zero_Flm 2766825
sqrtnr 2799689
bnr_get_clgp 2824033
F2x_equal1 2866930
znstar_get_pe 2868790
bnf_get_logfu 2870288
gisdouble 2958859
mkpolmod 2983908
Fq_red 2987668
rnf_get_degree 3001331
bit_accuracy_mul 3175433
identity_perm 3200940
ZV_to_zv 3211100
identity_zv 3225290
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3314594
rnf_get_pol 3318055
vec_append 3463049
zero_F2v 3634336
bid_get_U 3672373
bnf_get_cyc 3679892
nf_get_index 3695360
pol_1 3735494
bnr_get_bnf 3742776
mulsubii 3779258
pol_x 3847049
ell_get_b6 3863115
pol1_F2x 3953407
vec_to_vecsmall 4035102
vecsmall_append 4111379
sqrfrac 4145361
vecsmall_copy 4268076
mkcol2s 4416244
F2x_equal 4651265
FpXQX_renormalize 4691303
mkmat 4700235
is_rational_t 4868257
mkfraccopy 4876568
qfb_disc3 4982128
bnf_get_clgp 5364491
nf_get_zkprimpart 5393031
nf_get_zkden 5439128
pari_stack_delete 5526573
FpX_div 5563048
checkell_i 5593317
isintm1 5695719
bid_get_cyc 5726769
bid_get_grp 5791557
col_ei 5889422
pari_stack_init 5971500
get_FpX_degree 6333479
Flm_copy 6389174
sqrti 6629759
get_FpX_var 6779377
RgX_div 6998643
vecsmall_lexcmp 7038079
ZM_lll 7096074
RgX_gtofp 7103021
ell_get_a2 7106182
ZX_is_monic 7177064
znstar_get_faN 7330731
ell_get_b2 7371024
Q_abs 7642052
zc_to_ZC 7818368
vecsmall_to_col 7832550
znstar_get_conreycyc 7978902
F2m_coeff 8019477
mkintmod 8078293
ZV_ZV_mod 8120924
Flm_row 8131176
RgM_gtofp 8238647
Flx_equal1 8310964
gc_INT_affii 8468653
ell_get_a4 8536723
ell_get_a3 8814044
ell_get_a1 8997076
cxtofp 9006102
veclast 9347386
ismpzero 9570692
is_intreal_t 9570805
nf_get_invzk 9626809
RgM_dimensions 9663824
const_col 9717600
bnf_get_nf 9846357
mkvec4 10081694
ser_isexactzero 10120284
ell_get_a6 10370961
mul_denom 10486507
mkcol 10612202
ZC_hnfrem 10667660
ell_get_c4 11018100
Fp_addmul 11329732
pr_get_gen 12001187
vectrunc_init 12062870
F2v_clear 12143195
F2x_clear 12143200
abgrp_get_cyc 12207044
ell_get_type 12499358
nbits2nlong 12605456
pol0_F2x 13233023
ell_get_c6 13474529
gmax_shallow 13509217
modpr_get_T 13729879
closure_get_frame 14056971
zeromatcopy 14207493
rowpermute 14574701
Fp_div 15034961
Fp_divu 15129405
mkvec5 15161711
pr_get_e 15921754
vectrunc_append 16148502
matslice 16452574
ell_get_disc 16815362
pr_is_inert 16871107
normalize_frac 16949237
isint1 17479131
Fp_center_i 17600186
mkvecsmall4 17830853
cxcompotor 18063939
qfb_disc 18514130
const_vecsmall 19600104
vecpermute 20324997
nf_get_M 21137269
Flx_div_pre 21610627
RgM_shallowcopy 21903243
RgX_is_ZX 22149972
gmulgs 22297236
Fp_double 22305024
nf_get_r1 22853499
ZV_isscalar 23045825
Fp_inv 23323613
get_Flx_mod 25507647
pr_get_f 25944004
RgX_equal_var 26680249
mkqfb 27902398
shallowcopy 27955628
zerovec 28442000
modpr_get_pr 30840190
hash_str_len 31498281
Fp_neg 31589709
RgV_is_ZV 32162520
submulii 32578749
mkmat2 33829743
RgC_gtofp 33894859
const_vec 34305793
zero_zv 36602169
lincombii 37469429
polx_Flx 37741367
znstar_get_N 38653757
mkfrac 40700862
zeropol 42339793
powii 43170545
is_vec_t 43930320
closure_is_variadic 44662336
absfrac 45096585
guncloneNULL 48145213
pr_get_tau 48729086
mkmat22 49840081
QV_isscalar 51733844
ell_is_inf 52512942
pol1_Flx 54868630
addmuliu_inplace 58176091
submuliu_inplace 58654826
zero_Flv 59246074
F2x_copy 60359624
gtodouble 60390747
is_real_t 62063173
qfb_is_qfi 62959610
Fp_sqr 64590177
Fp_mulu 67714768
get_Flx_var 68071466
nf_get_degree 68427590
mkvec 70817765
Fp_center 75614037
vecsmallpermute 76520121
rowslice 77834820
perm_mul 78706424
sqrtr 80024033
get_Flx_degree 81966878
Fp_red 82658304
pol_0 82850762
is_noncalc_t 85824368
gtos 85868470
cxnorm 90396925
mkcomplex 90965997
pr_get_p 91144277
dbllog2r 92481670
nf_get_pol 94319023
F2v_set 101317613
vecsmalltrunc_append 101540138
cgiv 101812384
pol0_Flx 103037449
RgX_copy 103142289
prec2nbits 103831963
mkvecsmall3 103903555
vecsmall_prefixcmp 108088071
gc_all 109542933
F2x_renormalize 115141792
mkvec3 117301709
zerocol 121589699
gaddgs 123248288
both_odd 123834509
F2x_set 124624270
nchar2nlong 127024739
mkvecsmall 130976907
equalim1 139500289
bit_prec 141773060
FpX_renormalize 143888497
ZX_renormalize 153959246
nbrows 155948960
mkcol2 156175996
leading_coeff 170160941
Flx_copy 172479684
Fp_add 179359857
mkvec2 185125930
nbits2prec 185506495
vecsmalltrunc_init 190611530
Fp_sub 195808011
Fp_mul 196248519
mkvecsmall2 233193634
gtofp 251547225
gc_GEN 254510939
gmulgu 282059385
lg_increase 316807802
closure_get_data 321132387
closure_get_oper 321156232
closure_codestr 321178385
is_universal_constant 325918907
lgcols 346787163
closure_arity 370935686
is_scalar_t 375222301
bin_copy 494628974
pari_free 507991165
is_bigint 560663171
leafcopy_avma 572279793
vecslice 615521862
F2v_coeff 651842869
is_matvec_t 658159297
F2x_coeff 658406234
pari_malloc 743726048
pari_stack_new 923896298
GENbinbase 959162913
pari_stack_alloc 1018458408
pari_stack_base 1023954603
gc_leaf 1128850948
equali1 1172673740
nbits2extraprec 1454861775
gc_upto 1937186727
odd 2084238137
is_pm1 2158386773
lgpol 2672731424
isintzero 2819481490
bit_accuracy 3146491030
gc_INT 4025118433
prec2lg 4440746939
is_const_t 4865862727
degpol 5482630881
remsBIL 7963960057
icopy_avma 7968809497
divsBIL 8054492870
isonstack 8159875565
is_recursive_t 9143941587

Generated by: LCOV version 1.16