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 30573-61accf17c8) Lines: 1419 1532 92.6 %
Date: 2025-12-16 09:22:09 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 8038984
F2m_copy 200552
F2m_flip 1553948
F2m_set 798
F2v_clear 12356898
F2v_coeff 661332546
F2v_copy 4487
F2v_ei 42
F2v_flip 1553948
F2v_set 101404993
F2v_to_F2x 37889
F2xX_shift 0
F2x_clear 12356883
F2x_coeff 667907203
F2x_copy 60449563
F2x_div 1570884
F2x_equal 4661700
F2x_equal1 2874026
F2x_flip 1553948
F2x_renormalize 115188237
F2x_set 124733334
F2xqX_div 33173
F3m_coeff 3256664
F3m_copy 0
F3m_set 0
Flm_copy 6435460
Flm_row 8741949
Flv_copy 2555246
Flx_constant 333969
Flx_copy 173820606
Flx_div 1999191
Flx_div_pre 21716558
Flx_equal1 8331142
Flx_lead 980520
Flx_mulu 1105457
FlxqX_div 0
FlxqX_div_pre 165415
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693429
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583025
FpX_renormalize 144591820
Fp_add 181677366
Fp_addmul 11405477
Fp_center 77201324
Fp_center_i 18032451
Fp_div 15035572
Fp_divu 15130036
Fp_double 22383276
Fp_halve 247348
Fp_inv 23444577
Fp_invsafe 1100565
Fp_mul 201110110
Fp_muls 17780
Fp_mulu 68763164
Fp_neg 31481031
Fp_red 82089157
Fp_sqr 64925777
Fp_sub 203792838
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 572211
FqX_Fq_mul 427289
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38563
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445096
FqX_factor 141079
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 367830
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 3106467
Fq_to_FpXQ 73792
GENbinbase 964578265
QV_isscalar 54418238
Q_abs 8064378
Q_abs_shallow 120232
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622151
RgC_gtofp 34044136
RgC_gtomp 574
RgM_dimensions 9742644
RgM_fpnorml2 22794
RgM_gtofp 8260181
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22178904
RgV_gtofp 56
RgV_is_QV 140789
RgV_is_ZV 32167326
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409289
RgX_div 7000740
RgX_equal_var 26883206
RgX_fpnorml2 61627
RgX_gtofp 7147895
RgX_is_QX 400147
RgX_is_ZX 22426009
RgX_is_monomial 1331791
RgX_is_rational 68324
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451677
Rg_to_Fq 756
ZC_hnfrem 10696709
ZM_ZV_mod 596666
ZM_hnfrem 363895
ZM_lll 7118060
ZV_ZV_mod 8131672
ZV_dvd 23485
ZV_isscalar 23235621
ZV_to_zv 3211421
ZXQ_mul 2162246
ZXQ_sqr 961141
ZX_equal1 12893
ZX_is_monic 7376180
ZX_renormalize 155058231
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12231332
abgrp_get_gen 1765110
abgrp_get_no 355204
absfrac 46644833
absfrac_shallow 28237
addmuliu 535791
addmuliu_inplace 59708666
affc_fixlg 249623
affgr 898866
bid_get_MOD 2157270
bid_get_U 3680254
bid_get_arch 41188
bid_get_archp 2397115
bid_get_cyc 5739817
bid_get_fact 2498976
bid_get_fact2 2201593
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804677
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158007
bin_copy 497448112
bit_accuracy 3163783168
bit_accuracy_mul 3175472
bit_prec 142846916
bnf_get_clgp 5375632
bnf_get_cyc 3686684
bnf_get_fu 25859
bnf_get_fu_nocheck 289089
bnf_get_gen 1680401
bnf_get_logfu 2874807
bnf_get_nf 9865061
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367843
bnf_get_tuN 283014
bnf_get_tuU 303588
bnr_get_bid 2046150
bnr_get_bnf 3751402
bnr_get_clgp 2830283
bnr_get_cyc 2522595
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77146
bnr_get_nf 1368181
bnr_get_no 277504
both_odd 123925895
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102285787
checkell_i 5593302
closure_arity 371462668
closure_codestr 321604315
closure_get_code 0
closure_get_data 321544535
closure_get_dbg 13621
closure_get_frame 14173781
closure_get_oper 321574040
closure_get_text 37051
closure_is_variadic 44826802
col_ei 5927037
coltrunc_init 740250
const_col 9730253
const_vec 34490578
const_vecsmall 19711961
constant_coeff 1441402
cxcompotor 18224579
cxnorm 91220999
cxtofp 9086449
cxtoreal 337207
cyc_get_expo 2757840
cyclic_perm 99911
dbllog2r 92834254
degpol 5506604340
div_content 58575
divsBIL 8098178304
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997080
ell_get_a2 7106183
ell_get_a3 8814047
ell_get_a4 8536724
ell_get_a6 10370962
ell_get_b2 7371027
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017696
ell_get_c6 13474053
ell_get_disc 16814848
ell_get_j 2126227
ell_get_type 12499229
ell_is_inf 52449837
ellff_get_a4a6 800032
ellff_get_field 2036863
ellinf 1869616
ellnf_get_bnf 126
ellnf_get_nf 2027617
equali1 1175747767
equalim1 139505657
err_get_compo 294
err_get_num 62522
gaddgs 123248637
gal_get_den 27881
gal_get_e 91
gal_get_gen 15449
gal_get_group 80400
gal_get_invvdm 27888
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36344
gal_get_roots 32760
gc_GEN 256242814
gc_INT 4110553355
gc_INT_affii 8499807
gc_all 110028056
gc_leaf 1134444227
gc_slice 2205026
gc_upto 1951263704
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 761921
gdivsg 531592
gen_I 1269843
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1928995
get_F2x_mod 2499186
get_F2x_var 2534167
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82785717
get_Flx_mod 25611215
get_Flx_var 68420632
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 6424939
get_FpX_mod 3394568
get_FpX_var 6958113
gisdouble 2993293
gmax_shallow 13510225
gmaxsg 0
gmin_shallow 878404
gminsg 0
gmulgs 22595705
gmulgu 282059385
gsubgs 1724807
gtodouble 60799519
gtofp 254393392
gtomp 22428
gtos 85854564
gtou 98309
guncloneNULL 48222787
guncloneNULL_deep 1437041
gval 6230
hash_str 2756815
hash_str_len 31551646
icopy_avma 8042738128
idealchineseinit 5427
idealred 138710
identity_ZV 8113
identity_perm 3242667
identity_zv 3267017
inf_get_sign 1453142
inv_content 0
is_bigint 562992739
is_const_t 4894963640
is_extscalar_t 6876
is_intreal_t 9586682
is_matvec_t 659566573
is_noncalc_t 85878787
is_pm1 2204081627
is_qfb_t 0
is_rational_t 5035689
is_real_t 62063901
is_recursive_t 9240328680
is_scalar_t 375678333
is_universal_constant 325819738
is_vec_t 43955719
isint1 17587168
isintm1 5711225
isintzero 2843634492
ismpzero 9586574
isonstack 8267316206
killblock 1928742
leading_coeff 170557289
leafcopy_avma 577330301
lg_increase 317150819
lgcols 350853317
lgpol 2684025752
lincombii 38211573
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 754915
matpascal 3983
matslice 16823858
mkcol 10641536
mkcol2 156889297
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33542
mkcols 40411
mkcomplex 91647038
mkerr 0
mkfrac 41643046
mkfraccopy 4999305
mkfracss 1209563
mkintmod 8092584
mkintmodu 1813
mkmat 4751372
mkmat2 33664306
mkmat22 50283549
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122272
mkmoo 108863
mkoo 1332016
mkpadic 2009
mkpolmod 3105221
mkqfb 27929187
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71163563
mkvec2 185045030
mkvec2copy 114620
mkvec2s 220440
mkvec3 119237938
mkvec3s 524441
mkvec4 10107017
mkvec4s 21
mkvec5 15187014
mkveccopy 122521
mkvecs 168
mkvecsmall 131707221
mkvecsmall2 233665816
mkvecsmall3 104054090
mkvecsmall4 17827070
mkvecsmall5 1731067
modpr_get_T 13867976
modpr_get_p 1888613
modpr_get_pr 31238911
mul_content 2654988
mul_denom 10713235
mulsubii 3882857
nbits2extraprec 1457112627
nbits2ndec 228
nbits2nlong 12678738
nbits2prec 186157618
nbrows 157537011
nchar2nlong 127438527
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26299
nf_get_G 304192
nf_get_M 21308214
nf_get_Tr 22083
nf_get_degree 71370808
nf_get_diff 4459
nf_get_disc 463969
nf_get_index 3712355
nf_get_invzk 9769407
nf_get_pol 98084989
nf_get_r1 23028804
nf_get_r2 4154
nf_get_ramified_primes 64854
nf_get_roots 1628510
nf_get_roundG 1747516
nf_get_sign 519567
nf_get_varn 1503776
nf_get_zk 4382
nf_get_zkden 5464180
nf_get_zkprimpart 5418360
normalize_frac 17206125
odd 2085142116
pari_calloc 47713
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2862
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 15370
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510852625
pari_malloc 746746823
pari_realloc 1890
pari_realloc_ip 2268615
pari_stack_alloc 1019844845
pari_stack_base 1025435380
pari_stack_delete 5617709
pari_stack_init 6086863
pari_stack_new 925155536
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782879
perm_mul 80931327
perm_sqr 728
pol0_F2x 13246406
pol0_Flx 103530889
pol1_F2x 3957644
pol1_Flx 55096436
pol_0 83002355
pol_1 3756647
pol_x 3858430
pol_xn 2249936
pol_xnall 294
polx_F2x 1078801
polx_Flx 37837840
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178841
pr_get_e 16105172
pr_get_f 26349962
pr_get_gen 12069528
pr_get_p 92490673
pr_get_tau 49576776
pr_is_inert 17150267
pr_norm 1090203
prec2lg 4469584113
prec2nbits 103971896
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475522
qfb_disc 18514467
qfb_disc3 4995552
qfb_is_qfi 62946456
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8008244343
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 14710511
rowslice 79354484
rowslicepermute 184958
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27643276
sqrfrac 4148139
sqrti 6666935
sqrtnr 2809732
sqrtr 80388325
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60207299
truecoef 0
trunc_safe 0
ulogint 1719179
upr_norm 346135
uutoQ 1600198
vec_append 3465752
vec_ei 1714758
vec_lengthen 18946
vec_prepend 313990
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036876
veclast 9372743
vecmodii 0
vecmoduu 49784
vecpermute 20546646
vecreverse 697235
vecreverse_inplace 2605
vecslice 656411207
vecslicepermute 2691284
vecsmall_append 4111378
vecsmall_coincidence 0
vecsmall_concat 1464345
vecsmall_copy 4404903
vecsmall_ei 584692
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043258
vecsmall_max 1164742
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74582
vecsmall_to_col 7838823
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78735877
vecsmalltrunc_append 101493421
vecsmalltrunc_init 190004629
vecsplice 384917
vectrunc_append 16161277
vectrunc_append_batch 12306
vectrunc_init 12066265
zc_to_ZC 7824641
zero_F2m 0
zero_F2m_copy 845209
zero_F2v 3648373
zero_F2x 1350
zero_Flm 2830198
zero_Flm_copy 235942
zero_Flv 59571167
zero_Flx 1426811
zero_zm 0
zero_zv 36746712
zero_zx 0
zerocol 122362381
zeromat 109119
zeromatcopy 14252409
zeropadic 855499
zeropadic_shallow 17024
zeropol 42358754
zeroser 138908
zerovec 28455860
zerovec_block 28947
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38655073
znstar_get_U 176107
znstar_get_Ui 46788
znstar_get_conreycyc 7979693
znstar_get_conreygen 3290176
znstar_get_cyc 262088
znstar_get_faN 7331711
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2869063
zv_copy 2183992
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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