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
F2m_coeff 8039091
F2m_copy 200490
F2m_flip 1554162
F2m_set 798
F2v_clear 12355379
F2v_coeff 661327962
F2v_copy 4487
F2v_ei 42
F2v_flip 1554162
F2v_set 101404099
F2v_to_F2x 37862
F2xX_shift 0
F2x_clear 12355382
F2x_coeff 667964101
F2x_copy 60412594
F2x_div 1570155
F2x_equal 4657573
F2x_equal1 2873918
F2x_flip 1554162
F2x_renormalize 115216384
F2x_set 124770037
F2xqX_div 33173
F3m_coeff 3256668
F3m_copy 0
F3m_set 0
Flm_copy 6433453
Flm_row 8742602
Flv_copy 2555291
Flx_constant 334020
Flx_copy 173825392
Flx_div 1999050
Flx_div_pre 21705542
Flx_equal1 8330923
Flx_lead 980560
Flx_mulu 1105498
FlxqX_div 0
FlxqX_div_pre 165420
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693481
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581218
FpX_renormalize 144578919
Fp_add 181649235
Fp_addmul 11394483
Fp_center 77223295
Fp_center_i 18055245
Fp_div 15035013
Fp_divu 15129549
Fp_double 22358613
Fp_halve 247348
Fp_inv 23439941
Fp_invsafe 1100557
Fp_mul 201107370
Fp_muls 17780
Fp_mulu 69803199
Fp_neg 31482887
Fp_red 82085614
Fp_sqr 64696984
Fp_sub 203601183
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_mul 22766
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_Fp_mul 572130
FqX_Fq_mul 427299
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38567
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445051
FqX_factor 141072
FqX_factor_squarefree 7
FqX_gcd 8288
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 367816
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 4144
FqX_powu 1295
FqX_red 25354
FqX_rem 37743
FqX_roots 7273
FqX_sqr 71855
FqX_sub 68607
FqX_to_mod 175
FqXn_exp 0
FqXn_expint 6590
FqXn_inv 7126
FqXn_mul 263403
FqXn_sqr 0
Fq_red 3106475
Fq_to_FpXQ 73792
GENbinbase 964389297
QV_isscalar 54401622
Q_abs 8064004
Q_abs_shallow 120249
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622091
RgC_gtofp 34013663
RgC_gtomp 574
RgM_dimensions 9742221
RgM_fpnorml2 22788
RgM_gtofp 8252643
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22170582
RgV_gtofp 56
RgV_is_QV 140762
RgV_is_ZV 32166730
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210301
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409190
RgX_div 7000740
RgX_equal_var 26883192
RgX_fpnorml2 61608
RgX_gtofp 7147710
RgX_is_QX 400136
RgX_is_ZX 22423107
RgX_is_monomial 1331865
RgX_is_rational 68311
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451341
Rg_to_Fq 756
ZC_hnfrem 10690851
ZM_ZV_mod 596603
ZM_hnfrem 363862
ZM_lll 7112578
ZV_ZV_mod 8131304
ZV_dvd 23485
ZV_isscalar 23097726
ZV_to_zv 3211413
ZXQ_mul 2162066
ZXQ_sqr 961091
ZX_equal1 12893
ZX_is_monic 7375992
ZX_renormalize 155017124
Z_ispower 98
Z_issquare 458923
abgrp_get_cyc 12230222
abgrp_get_gen 1765037
abgrp_get_no 355188
absfrac 46643641
absfrac_shallow 28237
addmuliu 535854
addmuliu_inplace 59701012
affc_fixlg 249623
affgr 898866
bid_get_MOD 2157260
bid_get_U 3680241
bid_get_arch 41187
bid_get_archp 2397108
bid_get_cyc 5739574
bid_get_fact 2498942
bid_get_fact2 2201579
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804424
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157986
bin_copy 497349919
bit_accuracy 3163024577
bit_accuracy_mul 3175472
bit_prec 142679544
bnf_get_clgp 5374943
bnf_get_cyc 3686073
bnf_get_fu 25859
bnf_get_fu_nocheck 289069
bnf_get_gen 1680323
bnf_get_logfu 2874719
bnf_get_nf 9863733
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367783
bnf_get_tuN 282987
bnf_get_tuU 303563
bnr_get_bid 2045867
bnr_get_bnf 3750904
bnr_get_clgp 2830022
bnr_get_cyc 2522345
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368117
bnr_get_no 277496
both_odd 124004668
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975461
cgiv 102120170
checkell_i 5593300
closure_arity 371289872
closure_codestr 321418344
closure_get_code 0
closure_get_data 321379791
closure_get_dbg 13621
closure_get_frame 14170071
closure_get_oper 321399335
closure_get_text 37051
closure_is_variadic 44820865
col_ei 5925917
coltrunc_init 740250
const_col 9729922
const_vec 34482617
const_vecsmall 19707275
constant_coeff 1441404
cxcompotor 18222856
cxnorm 90946582
cxtofp 9085608
cxtoreal 337208
cyc_get_expo 2757780
cyclic_perm 99911
dbllog2r 92832234
degpol 5515543632
div_content 58477
divsBIL 8096282353
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997092
ell_get_a2 7106190
ell_get_a3 8814060
ell_get_a4 8536731
ell_get_a6 10370969
ell_get_b2 7371032
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018056
ell_get_c6 13474463
ell_get_disc 16814904
ell_get_j 2126227
ell_get_type 12499323
ell_is_inf 52491639
ellff_get_a4a6 800037
ellff_get_field 2036883
ellinf 1869802
ellnf_get_bnf 126
ellnf_get_nf 2027635
equali1 1175171652
equalim1 139505758
err_get_compo 294
err_get_num 62522
gaddgs 123248613
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80394
gal_get_invvdm 27880
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36336
gal_get_roots 32752
gc_GEN 256219356
gc_INT 4104169980
gc_INT_affii 8486961
gc_all 110007031
gc_leaf 1136573494
gc_slice 2205034
gc_upto 1949250763
gchar_copy_precs 1225
gchar_get_DLdata 190673
gchar_get_S 36995
gchar_get_U 0
gchar_get_Ui 10983
gchar_get_basis 32816
gchar_get_bnf 205373
gchar_get_cyc 16177
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50519
gchar_get_m0 3318
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2044
gchar_get_nc 37261
gchar_get_nf 243946
gchar_get_nfprec 13468
gchar_get_nfree 322
gchar_get_nm 1869
gchar_get_ns 36995
gchar_get_ntors 322
gchar_get_prec 18795
gchar_get_r1 17444
gchar_get_r2 623
gchar_get_sfu 1743
gchar_get_u0 4252
gchar_get_zm 281911
gchar_set_HUUi 630
gchar_set_basis 1575
gchar_set_cyc 1575
gchar_set_evalprec 1813
gchar_set_m0 945
gchar_set_nalg 630
gchar_set_nf 2110
gchar_set_nfprec 2968
gchar_set_nfree 630
gchar_set_ntors 630
gchar_set_prec 1225
gchar_set_u0 2121
gcmpgs 761925
gdivsg 531591
gen_I 1269837
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929114
get_F2x_mod 2499166
get_F2x_var 2534258
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83289747
get_Flx_mod 25604709
get_Flx_var 68402221
get_FlxqX_degree 317565
get_FlxqX_mod 8033
get_FlxqX_var 264420
get_FpXQX_degree 3589
get_FpXQX_mod 146583
get_FpXQX_var 51630
get_FpX_degree 6424784
get_FpX_mod 3394571
get_FpX_var 6957873
gisdouble 2987472
gmax_shallow 13510219
gmaxsg 0
gmin_shallow 878272
gminsg 0
gmulgs 22509360
gmulgu 282059385
gsubgs 1724806
gtodouble 60802237
gtofp 254263632
gtomp 22428
gtos 85854574
gtou 98306
guncloneNULL 48229472
guncloneNULL_deep 1446371
gval 6230
hash_str 2756815
hash_str_len 31550265
icopy_avma 8035917722
idealchineseinit 5427
idealred 138531
identity_ZV 8113
identity_perm 3242786
identity_zv 3267136
inf_get_sign 1453234
inv_content 0
is_bigint 562615168
is_const_t 4888185163
is_extscalar_t 6876
is_intreal_t 9583763
is_matvec_t 659356516
is_noncalc_t 85864904
is_pm1 2203357976
is_qfb_t 0
is_rational_t 5035312
is_real_t 62063858
is_recursive_t 9238689421
is_scalar_t 375670586
is_universal_constant 325837562
is_vec_t 43939008
isint1 17586703
isintm1 5711238
isintzero 2838026486
ismpzero 9583652
isonstack 8259444559
killblock 1931031
leading_coeff 170558907
leafcopy_avma 576922411
lg_increase 314671077
lgcols 350256037
lgpol 2690661379
lincombii 38197330
locs_get_Lgenfil 1288
locs_get_Lsprk 193935
locs_get_cyc 52136
locs_get_famod 1288
locs_get_m_infty 209475
locs_get_mod 8225
logint 754889
matpascal 3983
matslice 16817763
mkcol 10641013
mkcol2 156855815
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33506
mkcols 40411
mkcomplex 91644419
mkerr 0
mkfrac 41643087
mkfraccopy 4999301
mkfracss 1209563
mkintmod 8092597
mkintmodu 1813
mkmat 4750914
mkmat2 33658692
mkmat22 50276925
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122224
mkmoo 108850
mkoo 1332125
mkpadic 2009
mkpolmod 3105115
mkqfb 27919834
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71156804
mkvec2 184772750
mkvec2copy 114576
mkvec2s 220418
mkvec3 120797716
mkvec3s 524441
mkvec4 10106292
mkvec4s 21
mkvec5 15185235
mkveccopy 122521
mkvecs 168
mkvecsmall 131707057
mkvecsmall2 233639886
mkvecsmall3 104047921
mkvecsmall4 17833993
mkvecsmall5 1731118
modpr_get_T 13867689
modpr_get_p 1888432
modpr_get_pr 31238322
mul_content 2654222
mul_denom 10710173
mulsubii 3882252
nbits2extraprec 1456280713
nbits2ndec 228
nbits2nlong 12681019
nbits2prec 186149491
nbrows 157479547
nchar2nlong 127409921
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26299
nf_get_G 303522
nf_get_M 21171629
nf_get_Tr 22078
nf_get_degree 71351027
nf_get_diff 4438
nf_get_disc 463854
nf_get_index 3711349
nf_get_invzk 9766427
nf_get_pol 98058598
nf_get_r1 22892196
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627779
nf_get_roundG 1746564
nf_get_sign 519552
nf_get_varn 1503719
nf_get_zk 4382
nf_get_zkden 5462513
nf_get_zkprimpart 5416912
normalize_frac 17205200
odd 2084819786
pari_calloc 47699
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2841
pari_err_FILE 0
pari_err_FILEDESC 36
pari_err_FLAG 98
pari_err_IMPL 539
pari_err_INV 20018
pari_err_IRREDPOL 63
pari_err_MAXPRIME 0
pari_err_MODULUS 1316
pari_err_OP 406
pari_err_OVERFLOW 156
pari_err_PACKAGE 0
pari_err_PREC 238
pari_err_PRIME 98
pari_err_PRIORITY 238
pari_err_ROOTS0 63
pari_err_SQRTN 7084
pari_err_TYPE 15391
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510764238
pari_malloc 746658832
pari_realloc 1890
pari_realloc_ip 2268098
pari_stack_alloc 1019564994
pari_stack_base 1025162957
pari_stack_delete 5624183
pari_stack_init 6084568
pari_stack_new 924886704
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782917
perm_mul 80928508
perm_sqr 728
pol0_F2x 13245798
pol0_Flx 103536171
pol1_F2x 3958452
pol1_Flx 55084043
pol_0 83002158
pol_1 3756427
pol_x 3858369
pol_xn 2249952
pol_xnall 294
polx_F2x 1078498
polx_Flx 37833537
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178343
pr_get_e 15952719
pr_get_f 26041360
pr_get_gen 12062771
pr_get_p 91707931
pr_get_tau 48871915
pr_is_inert 16910181
pr_norm 1088486
prec2lg 4466189908
prec2nbits 103958584
prec2nbits_mul 581166
prec2ndec 9778
precdbl 475521
qfb_disc 18514457
qfb_disc3 4990867
qfb_is_qfi 62949475
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8005304094
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 357
rnf_get_idealdisc 1386
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1225
rnf_get_map 135659
rnf_get_nf 786030
rnf_get_nfdegree 21455
rnf_get_nfpol 255354
rnf_get_nfvarn 4886
rnf_get_nfzk 7245
rnf_get_pol 2845164
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764007
row_i 987
rowcopy 204988
rowpermute 14709794
rowslice 79338212
rowslicepermute 184767
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27640652
sqrfrac 4148290
sqrti 6665945
sqrtnr 2808642
sqrtr 80367976
sstoQ 1097215
sturm 385
submulii 32847732
submuliu 7742
submuliu_inplace 60190709
truecoef 0
trunc_safe 0
ulogint 1722728
upr_norm 346135
uutoQ 1600198
vec_append 3465603
vec_ei 1714642
vec_lengthen 18946
vec_prepend 313999
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036849
veclast 9372670
vecmodii 0
vecmoduu 49784
vecpermute 20531299
vecreverse 697235
vecreverse_inplace 2605
vecslice 655973900
vecslicepermute 2690116
vecsmall_append 4111390
vecsmall_coincidence 0
vecsmall_concat 1464439
vecsmall_copy 4404251
vecsmall_ei 584774
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164672
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74577
vecsmall_to_col 7837873
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78732931
vecsmalltrunc_append 101460926
vecsmalltrunc_init 189609788
vecsplice 384900
vectrunc_append 16161657
vectrunc_append_batch 12306
vectrunc_init 12065295
zc_to_ZC 7823690
zero_F2m 0
zero_F2m_copy 845093
zero_F2v 3648045
zero_F2x 1350
zero_Flm 2830357
zero_Flm_copy 235915
zero_Flv 59499822
zero_Flx 1426749
zero_zm 0
zero_zv 36738915
zero_zx 0
zerocol 122290559
zeromat 109124
zeromatcopy 14240580
zeropadic 855722
zeropadic_shallow 17024
zeropol 42358723
zeroser 138908
zerovec 28455643
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38653757
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7978902
znstar_get_conreygen 3289889
znstar_get_cyc 262088
znstar_get_faN 7330731
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2868790
zv_copy 2184032
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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