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 30549-267e77144f) Lines: 1420 1532 92.7 %
Date: 2025-11-16 09:22:34 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 8038881
F2m_copy 200500
F2m_flip 1554050
F2m_set 798
F2v_clear 12355316
F2v_coeff 661327405
F2v_copy 4487
F2v_ei 42
F2v_flip 1554050
F2v_set 101403973
F2v_to_F2x 37858
F2xX_shift 0
F2x_clear 12355317
F2x_coeff 667880210
F2x_copy 60394380
F2x_div 1569786
F2x_equal 4656447
F2x_equal1 2873911
F2x_flip 1554050
F2x_renormalize 115224462
F2x_set 124739958
F2xqX_div 33173
F3m_coeff 3256664
F3m_copy 0
F3m_set 0
Flm_copy 6433576
Flm_row 8742378
Flv_copy 2555321
Flx_constant 333151
Flx_copy 173839801
Flx_div 1998943
Flx_div_pre 21707636
Flx_equal1 8327261
Flx_lead 980358
Flx_mulu 1105212
FlxqX_div 0
FlxqX_div_pre 165412
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4694107
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581100
FpX_renormalize 144600591
Fp_add 181611791
Fp_addmul 11359715
Fp_center 77259882
Fp_center_i 18052987
Fp_div 15035593
Fp_divu 15135333
Fp_double 22313454
Fp_halve 247348
Fp_inv 23438106
Fp_invsafe 1100352
Fp_mul 201079638
Fp_muls 17780
Fp_mulu 68716950
Fp_neg 31486181
Fp_red 82093105
Fp_sqr 64775256
Fp_sub 203548495
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 572116
FqX_Fq_mul 427300
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38546
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445047
FqX_factor 141051
FqX_factor_squarefree 7
FqX_gcd 8246
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 4123
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 3106511
Fq_to_FpXQ 73792
GENbinbase 964326271
QV_isscalar 54401662
Q_abs 8062702
Q_abs_shallow 120256
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622080
RgC_gtofp 34013262
RgC_gtomp 574
RgM_dimensions 9742150
RgM_fpnorml2 22780
RgM_gtofp 8252535
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22170332
RgV_gtofp 56
RgV_is_QV 140761
RgV_is_ZV 32164056
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210305
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103405492
RgX_div 7000740
RgX_equal_var 26880636
RgX_fpnorml2 61608
RgX_gtofp 7147708
RgX_is_QX 400125
RgX_is_ZX 22422000
RgX_is_monomial 1331750
RgX_is_rational 68302
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451283
Rg_to_Fq 756
ZC_hnfrem 10690920
ZM_ZV_mod 596611
ZM_hnfrem 363842
ZM_lll 7112651
ZV_ZV_mod 8131301
ZV_dvd 23485
ZV_isscalar 23098120
ZV_to_zv 3211415
ZXQ_mul 2162080
ZXQ_sqr 961080
ZX_equal1 12711
ZX_is_monic 7375993
ZX_renormalize 155054596
Z_ispower 98
Z_issquare 458925
abgrp_get_cyc 12230236
abgrp_get_gen 1765043
abgrp_get_no 355187
absfrac 46642226
absfrac_shallow 28237
addmuliu 541065
addmuliu_inplace 59695162
affc_fixlg 249616
affgr 898866
bid_get_MOD 2157264
bid_get_U 3680247
bid_get_arch 41188
bid_get_archp 2397110
bid_get_cyc 5739574
bid_get_fact 2498813
bid_get_fact2 2201588
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804430
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157994
bin_copy 497312354
bit_accuracy 3163004267
bit_accuracy_mul 3175472
bit_prec 142682525
bnf_get_clgp 5374955
bnf_get_cyc 3686084
bnf_get_fu 25859
bnf_get_fu_nocheck 289072
bnf_get_gen 1680330
bnf_get_logfu 2874722
bnf_get_nf 9863734
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367781
bnf_get_tuN 282998
bnf_get_tuU 303573
bnr_get_bid 2045869
bnr_get_bnf 3750901
bnr_get_clgp 2830007
bnr_get_cyc 2522324
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77118
bnr_get_nf 1368115
bnr_get_no 277497
both_odd 124044834
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975455
cgiv 102124059
checkell_i 5593264
closure_arity 371198411
closure_codestr 321321640
closure_get_code 0
closure_get_data 321286140
closure_get_dbg 13621
closure_get_frame 14169503
closure_get_oper 321305951
closure_get_text 37051
closure_is_variadic 40168045
col_ei 5925804
coltrunc_init 740250
const_col 9729891
const_vec 34484488
const_vecsmall 19706331
constant_coeff 1441500
cxcompotor 18219749
cxnorm 90944951
cxtofp 9083999
cxtoreal 337202
cyc_get_expo 2757777
cyclic_perm 99911
dbllog2r 92830528
degpol 5510582728
div_content 58476
divsBIL 8098119980
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997051
ell_get_a2 7106153
ell_get_a3 8814019
ell_get_a4 8536694
ell_get_a6 10370932
ell_get_b2 7371027
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017781
ell_get_c6 13474211
ell_get_disc 16814799
ell_get_j 2126227
ell_get_type 12499326
ell_is_inf 52512064
ellff_get_a4a6 800024
ellff_get_field 2036851
ellinf 1869864
ellnf_get_bnf 126
ellnf_get_nf 2027606
equali1 1175198138
equalim1 139504519
err_get_compo 294
err_get_num 62530
gaddgs 123247555
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80393
gal_get_invvdm 27881
gal_get_mod 23772
gal_get_orders 6678
gal_get_p 6020
gal_get_pol 36337
gal_get_roots 32753
gc_GEN 256209539
gc_INT 4105012360
gc_INT_affii 8491217
gc_all 109993153
gc_leaf 1134496069
gc_slice 2204877
gc_upto 1949291225
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 243932
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 761917
gdivsg 531592
gen_I 1269848
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1928971
get_F2x_mod 2499127
get_F2x_var 2534106
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82724931
get_Flx_mod 25602784
get_Flx_var 68365945
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 6424539
get_FpX_mod 3394329
get_FpX_var 6958134
gisdouble 2988116
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 878343
gminsg 0
gmulgs 22515193
gmulgu 282059385
gsubgs 1724808
gtodouble 60800103
gtofp 254267190
gtomp 22428
gtos 85854555
gtou 98313
guncloneNULL 48223634
guncloneNULL_deep 1440677
gval 6230
hash_str 2756815
hash_str_len 31549729
icopy_avma 8036073522
idealchineseinit 5427
idealred 138522
identity_ZV 8113
identity_perm 3242769
identity_zv 3267119
inf_get_sign 1453198
inv_content 0
is_bigint 562619305
is_const_t 4889390468
is_extscalar_t 6876
is_intreal_t 9583856
is_matvec_t 659292208
is_noncalc_t 85862504
is_pm1 2203092830
is_qfb_t 0
is_rational_t 5035298
is_real_t 62063860
is_recursive_t 9239383690
is_scalar_t 375666318
is_universal_constant 325819598
is_vec_t 43945295
isint1 17585338
isintm1 5711209
isintzero 2838485241
ismpzero 9583755
isonstack 8258562645
killblock 1928777
leading_coeff 170559635
leafcopy_avma 577138924
lg_increase 315352659
lgcols 350246675
lgpol 2687853939
lincombii 38194464
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 755034
matpascal 3983
matslice 16817586
mkcol 10641049
mkcol2 156856931
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33510
mkcols 40411
mkcomplex 91639925
mkerr 0
mkfrac 41642311
mkfraccopy 4999016
mkfracss 1209563
mkintmod 8092550
mkintmodu 1813
mkmat 4750816
mkmat2 33659229
mkmat22 50275081
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122222
mkmoo 108848
mkoo 1332095
mkpadic 2009
mkpolmod 3105019
mkqfb 27920223
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71159309
mkvec2 184672654
mkvec2copy 114571
mkvec2s 220418
mkvec3 119223599
mkvec3s 524441
mkvec4 10106086
mkvec4s 21
mkvec5 15185032
mkveccopy 122521
mkvecs 168
mkvecsmall 131679544
mkvecsmall2 233634355
mkvecsmall3 104049183
mkvecsmall4 17839707
mkvecsmall5 1731120
modpr_get_T 13867597
modpr_get_p 1888432
modpr_get_pr 31238021
mul_content 2654259
mul_denom 10709853
mulsubii 3881427
nbits2extraprec 1456620325
nbits2ndec 228
nbits2nlong 12647034
nbits2prec 186136055
nbrows 157471863
nchar2nlong 127407262
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 303606
nf_get_M 21171968
nf_get_Tr 22082
nf_get_degree 71351263
nf_get_diff 4438
nf_get_disc 463865
nf_get_index 3711311
nf_get_invzk 9765470
nf_get_pol 98057814
nf_get_r1 22892549
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627868
nf_get_roundG 1746630
nf_get_sign 519551
nf_get_varn 1503588
nf_get_zk 4382
nf_get_zkden 5462252
nf_get_zkprimpart 5416372
normalize_frac 17204431
odd 2084390790
pari_calloc 47671
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 15398
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 510717696
pari_malloc 746605323
pari_realloc 1890
pari_realloc_ip 2267749
pari_stack_alloc 1019541388
pari_stack_base 1025118212
pari_stack_delete 5603631
pari_stack_init 6083732
pari_stack_new 924861921
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782861
perm_mul 80927293
perm_sqr 728
pol0_F2x 13238504
pol0_Flx 103507261
pol1_F2x 3957246
pol1_Flx 55063707
pol_0 83001623
pol_1 3756356
pol_x 3858341
pol_xn 2249939
pol_xnall 294
polx_F2x 1078284
polx_Flx 37833899
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178481
pr_get_e 15952616
pr_get_f 26040618
pr_get_gen 12062180
pr_get_p 91708392
pr_get_tau 48871397
pr_is_inert 16910040
pr_norm 1088542
prec2lg 4468153517
prec2nbits 103956615
prec2nbits_mul 581163
prec2ndec 9778
precdbl 475518
qfb_disc 18514498
qfb_disc3 4991071
qfb_is_qfi 62952628
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8007151761
rnf_get_absdegree 1392746
rnf_get_alpha 1428
rnf_get_degree 2506307
rnf_get_disc 350
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 2845157
rnf_get_polabs 327628
rnf_get_ramified_primes 2849
rnf_get_varn 574
rnf_get_zk 4830
row 764006
row_i 987
rowcopy 204988
rowpermute 14709648
rowslice 79330001
rowslicepermute 184861
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27640595
sqrfrac 4148283
sqrti 6665645
sqrtnr 2807644
sqrtr 80369975
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60185335
truecoef 0
trunc_safe 0
ulogint 1712366
upr_norm 346135
uutoQ 1600198
vec_append 3465602
vec_ei 1714598
vec_lengthen 18946
vec_prepend 313998
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036863
veclast 9372642
vecmodii 0
vecmoduu 49784
vecpermute 20531562
vecreverse 697235
vecreverse_inplace 2605
vecslice 655901320
vecslicepermute 2690354
vecsmall_append 4111382
vecsmall_coincidence 0
vecsmall_concat 1464430
vecsmall_copy 4404193
vecsmall_ei 584749
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164637
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74576
vecsmall_to_col 7837963
vecsmall_to_vec 511809
vecsmall_to_vec_inplace 3304
vecsmallpermute 78731903
vecsmalltrunc_append 101490036
vecsmalltrunc_init 189532208
vecsplice 384898
vectrunc_append 16163482
vectrunc_append_batch 12306
vectrunc_init 12066807
zc_to_ZC 7823780
zero_F2m 0
zero_F2m_copy 845092
zero_F2v 3648051
zero_F2x 1350
zero_Flm 2830392
zero_Flm_copy 235915
zero_Flv 59495150
zero_Flx 1426818
zero_zm 0
zero_zv 36736452
zero_zx 0
zerocol 122290686
zeromat 109113
zeromatcopy 14240632
zeropadic 855643
zeropadic_shallow 17024
zeropol 42358586
zeroser 138908
zerovec 28455614
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 2184062
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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