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: 1420 1532 92.7 %
Date: 2025-11-23 09:22:56 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 22078
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 26299
gal_get_den 27874
gal_get_invvdm 27880
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gal_get_roots 32752
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33506
Qtoss 35322
gal_get_pol 36336
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37862
FqX_div 38567
FqX_deriv 40061
mkcols 40411
bid_get_arch 41187
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 58477
RgX_fpnorml2 61608
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 74577
bnr_get_mod 77119
gal_get_group 80394
mkcol3 88314
gtou 98306
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108850
zeromat 109124
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114576
Q_abs_shallow 120249
mkmatcopy 122224
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138531
zeroser 138908
RgV_is_QV 140762
FqX_factor 141072
get_FpXQX_mod 146583
FlxqX_div_pre 165420
znstar_get_U 176107
rowslicepermute 184767
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200490
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220418
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235915
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249623
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277496
gchar_get_zm 281911
bnf_get_tuN 282987
bnf_get_fu_nocheck 289069
nf_get_G 303522
bnf_get_tuU 303563
vec_prepend 313999
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334020
cxtoreal 337208
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355188
ZM_hnfrem 363862
FqX_mul 367816
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384900
RgX_is_QX 400136
perm_conj 418299
FqX_Fq_mul 427299
FqX_extgcd 445051
Z_issquare 458923
nf_get_disc 463854
precdbl 475521
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503010
vecsmall_to_vec 511809
nf_get_sign 519552
mkvec3s 524441
gdivsg 531591
addmuliu 535854
FqX_Fp_mul 572130
prec2nbits_mul 581166
vecsmall_ei 584774
ZM_ZV_mod 596603
RgC_fpnorml2 622091
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754889
gcmpgs 761925
row 764007
rnf_get_nf 786030
ellff_get_a4a6 800037
zero_F2m_copy 845093
FpXX_renormalize 849896
zeropadic 855722
gmin_shallow 878272
affgr 898866
ZXQ_sqr 961091
cgetc 975461
Flx_lead 980560
polx_F2x 1078498
pr_norm 1088486
sstoQ 1097215
Fp_invsafe 1100557
Flx_mulu 1105498
vecsmall_max 1164672
mkfracss 1209563
RgV_isscalar 1210301
gen_I 1269837
RgX_is_monomial 1331865
mkoo 1332125
bnf_get_sunits 1367783
bnr_get_nf 1368117
rnf_get_absdegree 1392746
zero_Flx 1426749
constant_coeff 1441404
guncloneNULL_deep 1446371
Rg_col_ei 1451341
inf_get_sign 1453234
vecsmall_concat 1464439
nf_get_varn 1503719
bid_get_mod 1521922
F2m_flip 1554162
F2v_flip 1554162
F2x_flip 1554162
F2x_div 1570155
uutoQ 1600198
nf_get_roots 1627779
bnf_get_gen 1680323
vec_ei 1714642
ulogint 1722728
gsubgs 1724806
mkvecsmall5 1731118
nf_get_roundG 1746564
abgrp_get_gen 1765037
ellinf 1869802
modpr_get_p 1888432
get_F2x_degree 1929114
killblock 1931031
Flx_div 1999050
ellnf_get_nf 2027635
ellff_get_field 2036883
bnr_get_bid 2045867
ell_get_j 2126227
bid_get_MOD 2157260
bid_get_sprk 2157986
ZXQ_mul 2162066
zv_copy 2184032
bid_get_fact2 2201579
gc_slice 2205034
pol_xn 2249952
pari_realloc_ip 2268098
bid_get_archp 2397108
bid_get_fact 2498942
get_F2x_mod 2499166
rnf_get_degree 2506307
bnr_get_cyc 2522345
get_F2x_var 2534258
ell_get_b4 2550216
Flv_copy 2555291
mul_content 2654222
RgX_coeff 2669861
vecslicepermute 2690116
hash_str 2756815
cyc_get_expo 2757780
perm_inv 2782917
sqrtnr 2808642
bnr_get_clgp 2830022
zero_Flm 2830357
rnf_get_pol 2845164
znstar_get_pe 2868790
F2x_equal1 2873918
bnf_get_logfu 2874719
gisdouble 2987472
mkpolmod 3105115
Fq_red 3106475
bit_accuracy_mul 3175472
ZV_to_zv 3211413
identity_perm 3242786
F3m_coeff 3256668
identity_zv 3267136
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394571
vec_append 3465603
zero_F2v 3648045
bid_get_U 3680241
bnf_get_cyc 3686073
nf_get_index 3711349
bnr_get_bnf 3750904
pol_1 3756427
pol_x 3858369
ell_get_b6 3863115
mulsubii 3882252
pol1_F2x 3958452
vec_to_vecsmall 4036849
vecsmall_append 4111390
sqrfrac 4148290
vecsmall_copy 4404251
mkcol2s 4416244
F2x_equal 4657573
FpXQX_renormalize 4693481
mkmat 4750914
qfb_disc3 4990867
mkfraccopy 4999301
is_rational_t 5035312
bnf_get_clgp 5374943
nf_get_zkprimpart 5416912
nf_get_zkden 5462513
FpX_div 5581218
checkell_i 5593300
pari_stack_delete 5624183
isintm1 5711238
bid_get_cyc 5739574
bid_get_grp 5804424
col_ei 5925917
pari_stack_init 6084568
get_FpX_degree 6424784
Flm_copy 6433453
sqrti 6665945
get_FpX_var 6957873
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106190
ZM_lll 7112578
RgX_gtofp 7147710
znstar_get_faN 7330731
ell_get_b2 7371032
ZX_is_monic 7375992
zc_to_ZC 7823690
vecsmall_to_col 7837873
znstar_get_conreycyc 7978902
F2m_coeff 8039091
Q_abs 8064004
mkintmod 8092597
ZV_ZV_mod 8131304
RgM_gtofp 8252643
Flx_equal1 8330923
gc_INT_affii 8486961
ell_get_a4 8536731
Flm_row 8742602
ell_get_a3 8814060
ell_get_a1 8997092
cxtofp 9085608
veclast 9372670
ismpzero 9583652
is_intreal_t 9583763
const_col 9729922
RgM_dimensions 9742221
nf_get_invzk 9766427
bnf_get_nf 9863733
mkvec4 10106292
ser_isexactzero 10120284
ell_get_a6 10370969
mkcol 10641013
ZC_hnfrem 10690851
mul_denom 10710173
ell_get_c4 11018056
Fp_addmul 11394483
pr_get_gen 12062771
vectrunc_init 12065295
abgrp_get_cyc 12230222
F2v_clear 12355379
F2x_clear 12355382
ell_get_type 12499323
nbits2nlong 12681019
pol0_F2x 13245798
ell_get_c6 13474463
gmax_shallow 13510219
modpr_get_T 13867689
closure_get_frame 14170071
zeromatcopy 14240580
rowpermute 14709794
Fp_div 15035013
Fp_divu 15129549
mkvec5 15185235
pr_get_e 15952719
vectrunc_append 16161657
ell_get_disc 16814904
matslice 16817763
pr_is_inert 16910181
normalize_frac 17205200
isint1 17586703
mkvecsmall4 17833993
Fp_center_i 18055245
cxcompotor 18222856
qfb_disc 18514457
const_vecsmall 19707275
vecpermute 20531299
nf_get_M 21171629
Flx_div_pre 21705542
RgM_shallowcopy 22170582
Fp_double 22358613
RgX_is_ZX 22423107
gmulgs 22509360
nf_get_r1 22892196
ZV_isscalar 23097726
Fp_inv 23439941
get_Flx_mod 25604709
pr_get_f 26041360
RgX_equal_var 26883192
shallowcopy 27640652
mkqfb 27919834
zerovec 28455643
modpr_get_pr 31238322
Fp_neg 31482887
hash_str_len 31550265
RgV_is_ZV 32166730
submulii 32847732
mkmat2 33658692
RgC_gtofp 34013663
const_vec 34482617
zero_zv 36738915
polx_Flx 37833537
lincombii 38197330
znstar_get_N 38653757
mkfrac 41643087
zeropol 42358723
powii 43178343
is_vec_t 43939008
closure_is_variadic 44820865
absfrac 46643641
guncloneNULL 48229472
pr_get_tau 48871915
mkmat22 50276925
ell_is_inf 52491639
QV_isscalar 54401622
pol1_Flx 55084043
zero_Flv 59499822
addmuliu_inplace 59701012
submuliu_inplace 60190709
F2x_copy 60412594
gtodouble 60802237
is_real_t 62063858
qfb_is_qfi 62949475
Fp_sqr 64696984
get_Flx_var 68402221
Fp_mulu 69803199
mkvec 71156804
nf_get_degree 71351027
Fp_center 77223295
vecsmallpermute 78732931
rowslice 79338212
sqrtr 80367976
perm_mul 80928508
Fp_red 82085614
pol_0 83002158
get_Flx_degree 83289747
gtos 85854574
is_noncalc_t 85864904
cxnorm 90946582
mkcomplex 91644419
pr_get_p 91707931
dbllog2r 92832234
nf_get_pol 98058598
F2v_set 101404099
vecsmalltrunc_append 101460926
cgiv 102120170
RgX_copy 103409190
pol0_Flx 103536171
prec2nbits 103958584
mkvecsmall3 104047921
vecsmall_prefixcmp 108088071
gc_all 110007031
F2x_renormalize 115216384
mkvec3 120797716
zerocol 122290559
gaddgs 123248613
both_odd 124004668
F2x_set 124770037
nchar2nlong 127409921
mkvecsmall 131707057
equalim1 139505758
bit_prec 142679544
FpX_renormalize 144578919
ZX_renormalize 155017124
mkcol2 156855815
nbrows 157479547
leading_coeff 170558907
Flx_copy 173825392
Fp_add 181649235
mkvec2 184772750
nbits2prec 186149491
vecsmalltrunc_init 189609788
Fp_mul 201107370
Fp_sub 203601183
mkvecsmall2 233639886
gtofp 254263632
gc_GEN 256219356
gmulgu 282059385
lg_increase 314671077
closure_get_data 321379791
closure_get_oper 321399335
closure_codestr 321418344
is_universal_constant 325837562
lgcols 350256037
closure_arity 371289872
is_scalar_t 375670586
bin_copy 497349919
pari_free 510764238
is_bigint 562615168
leafcopy_avma 576922411
vecslice 655973900
is_matvec_t 659356516
F2v_coeff 661327962
F2x_coeff 667964101
pari_malloc 746658832
pari_stack_new 924886704
GENbinbase 964389297
pari_stack_alloc 1019564994
pari_stack_base 1025162957
gc_leaf 1136573494
equali1 1175171652
nbits2extraprec 1456280713
gc_upto 1949250763
odd 2084819786
is_pm1 2203357976
lgpol 2690661379
isintzero 2838026486
bit_accuracy 3163024577
gc_INT 4104169980
prec2lg 4466189908
is_const_t 4888185163
degpol 5515543632
remsBIL 8005304094
icopy_avma 8035917722
divsBIL 8096282353
isonstack 8259444559
is_recursive_t 9238689421

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