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
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
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2862
gchar_set_nfprec 2968
vecsmall_reverse 3066
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 4459
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 8379
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 15370
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 22083
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22794
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 27881
gal_get_invvdm 27888
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29946
gal_get_roots 32760
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33542
Qtoss 35322
gal_get_pol 36344
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37889
FqX_div 38563
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47713
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58575
RgX_fpnorml2 61627
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64854
RgX_is_rational 68324
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 74582
bnr_get_mod 77146
gal_get_group 80400
mkcol3 88314
gtou 98309
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108863
zeromat 109119
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114620
Q_abs_shallow 120232
mkmatcopy 122272
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138710
zeroser 138908
RgV_is_QV 140789
FqX_factor 141079
get_FpXQX_mod 146583
FlxqX_div_pre 165415
znstar_get_U 176107
rowslicepermute 184958
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200552
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220440
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235942
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 277504
gchar_get_zm 281911
bnf_get_tuN 283014
bnf_get_fu_nocheck 289089
bnf_get_tuU 303588
nf_get_G 304192
vec_prepend 313990
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333969
cxtoreal 337207
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355204
ZM_hnfrem 363895
FqX_mul 367830
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384917
RgX_is_QX 400147
perm_conj 418299
FqX_Fq_mul 427289
FqX_extgcd 445096
Z_issquare 458925
nf_get_disc 463969
precdbl 475522
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519567
mkvec3s 524441
gdivsg 531592
addmuliu 535791
FqX_Fp_mul 572211
prec2nbits_mul 581165
vecsmall_ei 584692
ZM_ZV_mod 596666
RgC_fpnorml2 622151
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754915
gcmpgs 761921
row 764007
rnf_get_nf 786030
ellff_get_a4a6 800032
zero_F2m_copy 845209
FpXX_renormalize 849896
zeropadic 855499
gmin_shallow 878404
affgr 898866
ZXQ_sqr 961141
cgetc 975460
Flx_lead 980520
polx_F2x 1078801
pr_norm 1090203
sstoQ 1097215
Fp_invsafe 1100565
Flx_mulu 1105457
vecsmall_max 1164742
mkfracss 1209563
RgV_isscalar 1210306
gen_I 1269843
RgX_is_monomial 1331791
mkoo 1332016
bnf_get_sunits 1367843
bnr_get_nf 1368181
rnf_get_absdegree 1392746
zero_Flx 1426811
guncloneNULL_deep 1437041
constant_coeff 1441402
Rg_col_ei 1451677
inf_get_sign 1453142
vecsmall_concat 1464345
nf_get_varn 1503776
bid_get_mod 1521922
F2m_flip 1553948
F2v_flip 1553948
F2x_flip 1553948
F2x_div 1570884
uutoQ 1600198
nf_get_roots 1628510
bnf_get_gen 1680401
vec_ei 1714758
ulogint 1719179
gsubgs 1724807
mkvecsmall5 1731067
nf_get_roundG 1747516
abgrp_get_gen 1765110
ellinf 1869616
modpr_get_p 1888613
killblock 1928742
get_F2x_degree 1928995
Flx_div 1999191
ellnf_get_nf 2027617
ellff_get_field 2036863
bnr_get_bid 2046150
ell_get_j 2126227
bid_get_MOD 2157270
bid_get_sprk 2158007
ZXQ_mul 2162246
zv_copy 2183992
bid_get_fact2 2201593
gc_slice 2205026
pol_xn 2249936
pari_realloc_ip 2268615
bid_get_archp 2397115
bid_get_fact 2498976
get_F2x_mod 2499186
rnf_get_degree 2506307
bnr_get_cyc 2522595
get_F2x_var 2534167
ell_get_b4 2550216
Flv_copy 2555246
mul_content 2654988
RgX_coeff 2669861
vecslicepermute 2691284
hash_str 2756815
cyc_get_expo 2757840
perm_inv 2782879
sqrtnr 2809732
zero_Flm 2830198
bnr_get_clgp 2830283
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2874026
bnf_get_logfu 2874807
gisdouble 2993293
mkpolmod 3105221
Fq_red 3106467
bit_accuracy_mul 3175472
ZV_to_zv 3211421
identity_perm 3242667
F3m_coeff 3256664
identity_zv 3267017
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394568
vec_append 3465752
zero_F2v 3648373
bid_get_U 3680254
bnf_get_cyc 3686684
nf_get_index 3712355
bnr_get_bnf 3751402
pol_1 3756647
pol_x 3858430
ell_get_b6 3863115
mulsubii 3882857
pol1_F2x 3957644
vec_to_vecsmall 4036876
vecsmall_append 4111378
sqrfrac 4148139
vecsmall_copy 4404903
mkcol2s 4416244
F2x_equal 4661700
FpXQX_renormalize 4693429
mkmat 4751372
qfb_disc3 4995552
mkfraccopy 4999305
is_rational_t 5035689
bnf_get_clgp 5375632
nf_get_zkprimpart 5418360
nf_get_zkden 5464180
FpX_div 5583025
checkell_i 5593302
pari_stack_delete 5617709
isintm1 5711225
bid_get_cyc 5739817
bid_get_grp 5804677
col_ei 5927037
pari_stack_init 6086863
get_FpX_degree 6424939
Flm_copy 6435460
sqrti 6666935
get_FpX_var 6958113
RgX_div 7000740
vecsmall_lexcmp 7043258
ell_get_a2 7106183
ZM_lll 7118060
RgX_gtofp 7147895
znstar_get_faN 7331711
ell_get_b2 7371027
ZX_is_monic 7376180
zc_to_ZC 7824641
vecsmall_to_col 7838823
znstar_get_conreycyc 7979693
F2m_coeff 8038984
Q_abs 8064378
mkintmod 8092584
ZV_ZV_mod 8131672
RgM_gtofp 8260181
Flx_equal1 8331142
gc_INT_affii 8499807
ell_get_a4 8536724
Flm_row 8741949
ell_get_a3 8814047
ell_get_a1 8997080
cxtofp 9086449
veclast 9372743
ismpzero 9586574
is_intreal_t 9586682
const_col 9730253
RgM_dimensions 9742644
nf_get_invzk 9769407
bnf_get_nf 9865061
mkvec4 10107017
ser_isexactzero 10120284
ell_get_a6 10370962
mkcol 10641536
ZC_hnfrem 10696709
mul_denom 10713235
ell_get_c4 11017696
Fp_addmul 11405477
vectrunc_init 12066265
pr_get_gen 12069528
abgrp_get_cyc 12231332
F2x_clear 12356883
F2v_clear 12356898
ell_get_type 12499229
nbits2nlong 12678738
pol0_F2x 13246406
ell_get_c6 13474053
gmax_shallow 13510225
modpr_get_T 13867976
closure_get_frame 14173781
zeromatcopy 14252409
rowpermute 14710511
Fp_div 15035572
Fp_divu 15130036
mkvec5 15187014
pr_get_e 16105172
vectrunc_append 16161277
ell_get_disc 16814848
matslice 16823858
pr_is_inert 17150267
normalize_frac 17206125
isint1 17587168
mkvecsmall4 17827070
Fp_center_i 18032451
cxcompotor 18224579
qfb_disc 18514467
const_vecsmall 19711961
vecpermute 20546646
nf_get_M 21308214
Flx_div_pre 21716558
RgM_shallowcopy 22178904
Fp_double 22383276
RgX_is_ZX 22426009
gmulgs 22595705
nf_get_r1 23028804
ZV_isscalar 23235621
Fp_inv 23444577
get_Flx_mod 25611215
pr_get_f 26349962
RgX_equal_var 26883206
shallowcopy 27643276
mkqfb 27929187
zerovec 28455860
modpr_get_pr 31238911
Fp_neg 31481031
hash_str_len 31551646
RgV_is_ZV 32167326
submulii 32848628
mkmat2 33664306
RgC_gtofp 34044136
const_vec 34490578
zero_zv 36746712
polx_Flx 37837840
lincombii 38211573
znstar_get_N 38655073
mkfrac 41643046
zeropol 42358754
powii 43178841
is_vec_t 43955719
closure_is_variadic 44826802
absfrac 46644833
guncloneNULL 48222787
pr_get_tau 49576776
mkmat22 50283549
ell_is_inf 52449837
QV_isscalar 54418238
pol1_Flx 55096436
zero_Flv 59571167
addmuliu_inplace 59708666
submuliu_inplace 60207299
F2x_copy 60449563
gtodouble 60799519
is_real_t 62063901
qfb_is_qfi 62946456
Fp_sqr 64925777
get_Flx_var 68420632
Fp_mulu 68763164
mkvec 71163563
nf_get_degree 71370808
Fp_center 77201324
vecsmallpermute 78735877
rowslice 79354484
sqrtr 80388325
perm_mul 80931327
Fp_red 82089157
get_Flx_degree 82785717
pol_0 83002355
gtos 85854564
is_noncalc_t 85878787
cxnorm 91220999
mkcomplex 91647038
pr_get_p 92490673
dbllog2r 92834254
nf_get_pol 98084989
F2v_set 101404993
vecsmalltrunc_append 101493421
cgiv 102285787
RgX_copy 103409289
pol0_Flx 103530889
prec2nbits 103971896
mkvecsmall3 104054090
vecsmall_prefixcmp 108088071
gc_all 110028056
F2x_renormalize 115188237
mkvec3 119237938
zerocol 122362381
gaddgs 123248637
both_odd 123925895
F2x_set 124733334
nchar2nlong 127438527
mkvecsmall 131707221
equalim1 139505657
bit_prec 142846916
FpX_renormalize 144591820
ZX_renormalize 155058231
mkcol2 156889297
nbrows 157537011
leading_coeff 170557289
Flx_copy 173820606
Fp_add 181677366
mkvec2 185045030
nbits2prec 186157618
vecsmalltrunc_init 190004629
Fp_mul 201110110
Fp_sub 203792838
mkvecsmall2 233665816
gtofp 254393392
gc_GEN 256242814
gmulgu 282059385
lg_increase 317150819
closure_get_data 321544535
closure_get_oper 321574040
closure_codestr 321604315
is_universal_constant 325819738
lgcols 350853317
closure_arity 371462668
is_scalar_t 375678333
bin_copy 497448112
pari_free 510852625
is_bigint 562992739
leafcopy_avma 577330301
vecslice 656411207
is_matvec_t 659566573
F2v_coeff 661332546
F2x_coeff 667907203
pari_malloc 746746823
pari_stack_new 925155536
GENbinbase 964578265
pari_stack_alloc 1019844845
pari_stack_base 1025435380
gc_leaf 1134444227
equali1 1175747767
nbits2extraprec 1457112627
gc_upto 1951263704
odd 2085142116
is_pm1 2204081627
lgpol 2684025752
isintzero 2843634492
bit_accuracy 3163783168
gc_INT 4110553355
prec2lg 4469584113
is_const_t 4894963640
degpol 5506604340
remsBIL 8008244343
icopy_avma 8042738128
divsBIL 8098178304
isonstack 8267316206
is_recursive_t 9240328680

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