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 30569-8181146aa1) Lines: 1419 1532 92.6 %
Date: 2025-12-03 09:22:05 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 8039178
F2m_copy 200559
F2m_flip 1554050
F2m_set 798
F2v_clear 12357195
F2v_coeff 661333647
F2v_copy 4487
F2v_ei 42
F2v_flip 1554050
F2v_set 101405316
F2v_to_F2x 37886
F2xX_shift 0
F2x_clear 12357181
F2x_coeff 667924928
F2x_copy 60434266
F2x_div 1570322
F2x_equal 4657594
F2x_equal1 2873884
F2x_flip 1554050
F2x_renormalize 115170328
F2x_set 124731166
F2xqX_div 33173
F3m_coeff 3256664
F3m_copy 0
F3m_set 0
Flm_copy 6435446
Flm_row 8742683
Flv_copy 2555274
Flx_constant 334024
Flx_copy 173801587
Flx_div 1999152
Flx_div_pre 21713812
Flx_equal1 8331103
Flx_lead 980235
Flx_mulu 1105474
FlxqX_div 0
FlxqX_div_pre 165406
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693178
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583026
FpX_renormalize 144583612
Fp_add 181611050
Fp_addmul 11411692
Fp_center 77205571
Fp_center_i 18050118
Fp_div 15035306
Fp_divu 15129770
Fp_double 22370961
Fp_halve 247348
Fp_inv 23444203
Fp_invsafe 1100565
Fp_mul 201116810
Fp_muls 17780
Fp_mulu 71777239
Fp_neg 31481461
Fp_red 82085899
Fp_sqr 64638004
Fp_sub 203628342
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 572212
FqX_Fq_mul 427293
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38568
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445097
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 367829
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 3106373
Fq_to_FpXQ 73792
GENbinbase 964555189
QV_isscalar 54419081
Q_abs 8064278
Q_abs_shallow 120247
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622149
RgC_gtofp 34042085
RgC_gtomp 574
RgM_dimensions 9742276
RgM_fpnorml2 22795
RgM_gtofp 8259902
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179311
RgV_gtofp 56
RgV_is_QV 140790
RgV_is_ZV 32167320
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210303
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409090
RgX_div 7000740
RgX_equal_var 26883219
RgX_fpnorml2 61628
RgX_gtofp 7147792
RgX_is_QX 400154
RgX_is_ZX 22426100
RgX_is_monomial 1331831
RgX_is_rational 68324
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
RgX_to_RgV 140
Rg_col_ei 1451753
Rg_to_Fq 756
ZC_hnfrem 10696813
ZM_ZV_mod 596635
ZM_hnfrem 363883
ZM_lll 7117936
ZV_ZV_mod 8131556
ZV_dvd 23485
ZV_isscalar 23235861
ZV_to_zv 3211422
ZXQ_mul 2162203
ZXQ_sqr 961152
ZX_equal1 12893
ZX_is_monic 7376181
ZX_renormalize 155018654
Z_ispower 98
Z_issquare 458922
abgrp_get_cyc 12231269
abgrp_get_gen 1765119
abgrp_get_no 355203
absfrac 46644695
absfrac_shallow 28237
addmuliu 535809
addmuliu_inplace 59702195
affc_fixlg 249622
affgr 898866
bid_get_MOD 2157255
bid_get_U 3680234
bid_get_arch 41188
bid_get_archp 2397062
bid_get_cyc 5739765
bid_get_fact 2498934
bid_get_fact2 2201581
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804617
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157981
bin_copy 497436035
bit_accuracy 3163461208
bit_accuracy_mul 3175472
bit_prec 142834321
bnf_get_clgp 5375635
bnf_get_cyc 3686679
bnf_get_fu 25859
bnf_get_fu_nocheck 289096
bnf_get_gen 1680406
bnf_get_logfu 2874802
bnf_get_nf 9865045
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367846
bnf_get_tuN 283013
bnf_get_tuU 303586
bnr_get_bid 2046136
bnr_get_bnf 3751409
bnr_get_clgp 2830250
bnr_get_cyc 2522577
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368183
bnr_get_no 277503
both_odd 124091071
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102282002
checkell_i 5593310
closure_arity 371218715
closure_codestr 321343519
closure_get_code 0
closure_get_data 321298614
closure_get_dbg 13621
closure_get_frame 14174017
closure_get_oper 321321865
closure_get_text 37051
closure_is_variadic 44827129
col_ei 5927001
coltrunc_init 740250
const_col 9730301
const_vec 34488259
const_vecsmall 19711860
constant_coeff 1441411
cxcompotor 18218472
cxnorm 91216239
cxtofp 9083397
cxtoreal 337207
cyc_get_expo 2757828
cyclic_perm 99911
dbllog2r 92829618
degpol 5525993330
div_content 58576
divsBIL 8096401903
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997089
ell_get_a2 7106185
ell_get_a3 8814057
ell_get_a4 8536726
ell_get_a6 10370964
ell_get_b2 7371034
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018117
ell_get_c6 13474432
ell_get_disc 16815247
ell_get_j 2126227
ell_get_type 12499362
ell_is_inf 52450101
ellff_get_a4a6 800035
ellff_get_field 2036870
ellinf 1869496
ellnf_get_bnf 126
ellnf_get_nf 2027627
equali1 1175712650
equalim1 139505824
err_get_compo 294
err_get_num 62523
gaddgs 123248632
gal_get_den 27881
gal_get_e 91
gal_get_gen 15449
gal_get_group 80402
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 256224509
gc_INT 4110551698
gc_INT_affii 8499789
gc_all 110027575
gc_leaf 1140497491
gc_slice 2204855
gc_upto 1951196006
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 761920
gdivsg 531591
gen_I 1269834
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929030
get_F2x_mod 2499133
get_F2x_var 2534197
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 84287378
get_Flx_mod 25609425
get_Flx_var 68415006
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 6424887
get_FpX_mod 3394581
get_FpX_var 6957997
gisdouble 2992943
gmax_shallow 13510228
gmaxsg 0
gmin_shallow 878346
gminsg 0
gmulgs 22588934
gmulgu 282059385
gsubgs 1724800
gtodouble 60795299
gtofp 254371132
gtomp 22428
gtos 85854590
gtou 98323
guncloneNULL 48232343
guncloneNULL_deep 1446523
gval 6230
hash_str 2756815
hash_str_len 31551659
icopy_avma 8042210309
idealchineseinit 5427
idealred 138708
identity_ZV 8113
identity_perm 3242760
identity_zv 3267110
inf_get_sign 1453219
inv_content 0
is_bigint 562989115
is_const_t 4893861946
is_extscalar_t 6876
is_intreal_t 9586686
is_matvec_t 659302662
is_noncalc_t 85878998
is_pm1 2205567721
is_qfb_t 0
is_rational_t 5035671
is_real_t 62063904
is_recursive_t 9239916963
is_scalar_t 375678512
is_universal_constant 325784117
is_vec_t 43957285
isint1 17587027
isintm1 5711090
isintzero 2842943405
ismpzero 9586591
isonstack 8272504827
killblock 1931907
leading_coeff 170556274
leafcopy_avma 577048922
lg_increase 324235046
lgcols 350853024
lgpol 2692869888
lincombii 38213368
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 754906
matpascal 3983
matslice 16823876
mkcol 10641556
mkcol2 156890103
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33539
mkcols 40411
mkcomplex 91619744
mkerr 0
mkfrac 41643189
mkfraccopy 4999347
mkfracss 1209563
mkintmod 8092701
mkintmodu 1813
mkmat 4751223
mkmat2 33663761
mkmat22 50283549
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122261
mkmoo 108860
mkoo 1332097
mkpadic 2009
mkpolmod 3105224
mkqfb 27929228
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71156549
mkvec2 186636925
mkvec2copy 114616
mkvec2s 220438
mkvec3 123756917
mkvec3s 524441
mkvec4 10107027
mkvec4s 21
mkvec5 15187132
mkveccopy 122521
mkvecs 168
mkvecsmall 131700674
mkvecsmall2 233669799
mkvecsmall3 104046825
mkvecsmall4 17827330
mkvecsmall5 1731098
modpr_get_T 13867967
modpr_get_p 1888614
modpr_get_pr 31238883
mul_content 2654927
mul_denom 10713533
mulsubii 3881352
nbits2extraprec 1456944622
nbits2ndec 228
nbits2nlong 12678964
nbits2prec 186152546
nbrows 157534753
nchar2nlong 127435087
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26300
nf_get_G 304206
nf_get_M 21308403
nf_get_Tr 22084
nf_get_degree 71371617
nf_get_diff 4459
nf_get_disc 463991
nf_get_index 3712403
nf_get_invzk 9769417
nf_get_pol 98086026
nf_get_r1 23029047
nf_get_r2 4154
nf_get_ramified_primes 64855
nf_get_roots 1628519
nf_get_roundG 1747533
nf_get_sign 519564
nf_get_varn 1503761
nf_get_zk 4382
nf_get_zkden 5464327
nf_get_zkprimpart 5418489
normalize_frac 17206446
odd 2085984632
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 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 510852730
pari_malloc 746734690
pari_realloc 1890
pari_realloc_ip 2269313
pari_stack_alloc 1019515313
pari_stack_base 1025144230
pari_stack_delete 5644879
pari_stack_init 6086718
pari_stack_new 924826117
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782939
perm_mul 80932978
perm_sqr 728
pol0_F2x 13245233
pol0_Flx 103524336
pol1_F2x 3957845
pol1_Flx 55091931
pol_0 83002281
pol_1 3756634
pol_x 3858429
pol_xn 2249972
pol_xnall 294
polx_F2x 1078508
polx_Flx 37834331
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178820
pr_get_e 16105389
pr_get_f 26350217
pr_get_gen 12069646
pr_get_p 92491036
pr_get_tau 49577165
pr_is_inert 17150363
pr_norm 1090225
prec2lg 4468291557
prec2nbits 103967411
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475507
qfb_disc 18514467
qfb_disc3 4995547
qfb_is_qfi 62942893
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006446550
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 764012
row_i 987
rowcopy 204988
rowpermute 14710859
rowslice 79353400
rowslicepermute 184951
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27642600
sqrfrac 4148251
sqrti 6666942
sqrtnr 2809687
sqrtr 80381171
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60195912
truecoef 0
trunc_safe 0
ulogint 1736528
upr_norm 346135
uutoQ 1600198
vec_append 3465724
vec_ei 1714731
vec_lengthen 18946
vec_prepend 313986
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036863
veclast 9372758
vecmodii 0
vecmoduu 49784
vecpermute 20547150
vecreverse 697235
vecreverse_inplace 2605
vecslice 656303145
vecslicepermute 2691409
vecsmall_append 4111379
vecsmall_coincidence 0
vecsmall_concat 1464424
vecsmall_copy 4404935
vecsmall_ei 584735
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043257
vecsmall_max 1164736
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74586
vecsmall_to_col 7838817
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78737461
vecsmalltrunc_append 101530153
vecsmalltrunc_init 193265590
vecsplice 384922
vectrunc_append 16161167
vectrunc_append_batch 12306
vectrunc_init 12066123
zc_to_ZC 7824635
zero_F2m 0
zero_F2m_copy 845237
zero_F2v 3648440
zero_F2x 1350
zero_Flm 2830351
zero_Flm_copy 235948
zero_Flv 59571531
zero_Flx 1426920
zero_zm 0
zero_zv 36746275
zero_zx 0
zerocol 122358823
zeromat 109146
zeromatcopy 14252068
zeropadic 855841
zeropadic_shallow 17024
zeropol 42358703
zeroser 138908
zerovec 28455804
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 2184018
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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