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
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 22084
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22795
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26300
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 33539
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 37886
FqX_div 38568
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47699
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58576
RgX_fpnorml2 61628
err_get_num 62523
bid_get_gen 64274
nf_get_ramified_primes 64855
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 74586
bnr_get_mod 77147
gal_get_group 80402
mkcol3 88314
gtou 98323
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108860
zeromat 109146
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114616
Q_abs_shallow 120247
mkmatcopy 122261
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138708
zeroser 138908
RgV_is_QV 140790
FqX_factor 141079
get_FpXQX_mod 146583
FlxqX_div_pre 165406
znstar_get_U 176107
rowslicepermute 184951
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200559
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220438
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235948
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249622
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277503
gchar_get_zm 281911
bnf_get_tuN 283013
bnf_get_fu_nocheck 289096
bnf_get_tuU 303586
nf_get_G 304206
vec_prepend 313986
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334024
cxtoreal 337207
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355203
ZM_hnfrem 363883
FqX_mul 367829
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384922
RgX_is_QX 400154
perm_conj 418299
FqX_Fq_mul 427293
FqX_extgcd 445097
Z_issquare 458922
nf_get_disc 463991
precdbl 475507
RgX_shift_inplace 479367
RgX_shift_inplace_init 479367
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519564
mkvec3s 524441
gdivsg 531591
addmuliu 535809
FqX_Fp_mul 572212
prec2nbits_mul 581165
vecsmall_ei 584735
ZM_ZV_mod 596635
RgC_fpnorml2 622149
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754906
gcmpgs 761920
row 764012
rnf_get_nf 786030
ellff_get_a4a6 800035
zero_F2m_copy 845237
FpXX_renormalize 849896
zeropadic 855841
gmin_shallow 878346
affgr 898866
ZXQ_sqr 961152
cgetc 975460
Flx_lead 980235
polx_F2x 1078508
pr_norm 1090225
sstoQ 1097215
Fp_invsafe 1100565
Flx_mulu 1105474
vecsmall_max 1164736
mkfracss 1209563
RgV_isscalar 1210303
gen_I 1269834
RgX_is_monomial 1331831
mkoo 1332097
bnf_get_sunits 1367846
bnr_get_nf 1368183
rnf_get_absdegree 1392746
zero_Flx 1426920
constant_coeff 1441411
guncloneNULL_deep 1446523
Rg_col_ei 1451753
inf_get_sign 1453219
vecsmall_concat 1464424
nf_get_varn 1503761
bid_get_mod 1521922
F2m_flip 1554050
F2v_flip 1554050
F2x_flip 1554050
F2x_div 1570322
uutoQ 1600198
nf_get_roots 1628519
bnf_get_gen 1680406
vec_ei 1714731
gsubgs 1724800
mkvecsmall5 1731098
ulogint 1736528
nf_get_roundG 1747533
abgrp_get_gen 1765119
ellinf 1869496
modpr_get_p 1888614
get_F2x_degree 1929030
killblock 1931907
Flx_div 1999152
ellnf_get_nf 2027627
ellff_get_field 2036870
bnr_get_bid 2046136
ell_get_j 2126227
bid_get_MOD 2157255
bid_get_sprk 2157981
ZXQ_mul 2162203
zv_copy 2184018
bid_get_fact2 2201581
gc_slice 2204855
pol_xn 2249972
pari_realloc_ip 2269313
bid_get_archp 2397062
bid_get_fact 2498934
get_F2x_mod 2499133
rnf_get_degree 2506307
bnr_get_cyc 2522577
get_F2x_var 2534197
ell_get_b4 2550216
Flv_copy 2555274
mul_content 2654927
RgX_coeff 2669861
vecslicepermute 2691409
hash_str 2756815
cyc_get_expo 2757828
perm_inv 2782939
sqrtnr 2809687
bnr_get_clgp 2830250
zero_Flm 2830351
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2873884
bnf_get_logfu 2874802
gisdouble 2992943
mkpolmod 3105224
Fq_red 3106373
bit_accuracy_mul 3175472
ZV_to_zv 3211422
identity_perm 3242760
F3m_coeff 3256664
identity_zv 3267110
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394581
vec_append 3465724
zero_F2v 3648440
bid_get_U 3680234
bnf_get_cyc 3686679
nf_get_index 3712403
bnr_get_bnf 3751409
pol_1 3756634
pol_x 3858429
ell_get_b6 3863115
mulsubii 3881352
pol1_F2x 3957845
vec_to_vecsmall 4036863
vecsmall_append 4111379
sqrfrac 4148251
vecsmall_copy 4404935
mkcol2s 4416244
F2x_equal 4657594
FpXQX_renormalize 4693178
mkmat 4751223
qfb_disc3 4995547
mkfraccopy 4999347
is_rational_t 5035671
bnf_get_clgp 5375635
nf_get_zkprimpart 5418489
nf_get_zkden 5464327
FpX_div 5583026
checkell_i 5593310
pari_stack_delete 5644879
isintm1 5711090
bid_get_cyc 5739765
bid_get_grp 5804617
col_ei 5927001
pari_stack_init 6086718
get_FpX_degree 6424887
Flm_copy 6435446
sqrti 6666942
get_FpX_var 6957997
RgX_div 7000740
vecsmall_lexcmp 7043257
ell_get_a2 7106185
ZM_lll 7117936
RgX_gtofp 7147792
znstar_get_faN 7331711
ell_get_b2 7371034
ZX_is_monic 7376181
zc_to_ZC 7824635
vecsmall_to_col 7838817
znstar_get_conreycyc 7979693
F2m_coeff 8039178
Q_abs 8064278
mkintmod 8092701
ZV_ZV_mod 8131556
RgM_gtofp 8259902
Flx_equal1 8331103
gc_INT_affii 8499789
ell_get_a4 8536726
Flm_row 8742683
ell_get_a3 8814057
ell_get_a1 8997089
cxtofp 9083397
veclast 9372758
ismpzero 9586591
is_intreal_t 9586686
const_col 9730301
RgM_dimensions 9742276
nf_get_invzk 9769417
bnf_get_nf 9865045
mkvec4 10107027
ser_isexactzero 10120284
ell_get_a6 10370964
mkcol 10641556
ZC_hnfrem 10696813
mul_denom 10713533
ell_get_c4 11018117
Fp_addmul 11411692
vectrunc_init 12066123
pr_get_gen 12069646
abgrp_get_cyc 12231269
F2x_clear 12357181
F2v_clear 12357195
ell_get_type 12499362
nbits2nlong 12678964
pol0_F2x 13245233
ell_get_c6 13474432
gmax_shallow 13510228
modpr_get_T 13867967
closure_get_frame 14174017
zeromatcopy 14252068
rowpermute 14710859
Fp_div 15035306
Fp_divu 15129770
mkvec5 15187132
pr_get_e 16105389
vectrunc_append 16161167
ell_get_disc 16815247
matslice 16823876
pr_is_inert 17150363
normalize_frac 17206446
isint1 17587027
mkvecsmall4 17827330
Fp_center_i 18050118
cxcompotor 18218472
qfb_disc 18514467
const_vecsmall 19711860
vecpermute 20547150
nf_get_M 21308403
Flx_div_pre 21713812
RgM_shallowcopy 22179311
Fp_double 22370961
RgX_is_ZX 22426100
gmulgs 22588934
nf_get_r1 23029047
ZV_isscalar 23235861
Fp_inv 23444203
get_Flx_mod 25609425
pr_get_f 26350217
RgX_equal_var 26883219
shallowcopy 27642600
mkqfb 27929228
zerovec 28455804
modpr_get_pr 31238883
Fp_neg 31481461
hash_str_len 31551659
RgV_is_ZV 32167320
submulii 32848628
mkmat2 33663761
RgC_gtofp 34042085
const_vec 34488259
zero_zv 36746275
polx_Flx 37834331
lincombii 38213368
znstar_get_N 38655073
mkfrac 41643189
zeropol 42358703
powii 43178820
is_vec_t 43957285
closure_is_variadic 44827129
absfrac 46644695
guncloneNULL 48232343
pr_get_tau 49577165
mkmat22 50283549
ell_is_inf 52450101
QV_isscalar 54419081
pol1_Flx 55091931
zero_Flv 59571531
addmuliu_inplace 59702195
submuliu_inplace 60195912
F2x_copy 60434266
gtodouble 60795299
is_real_t 62063904
qfb_is_qfi 62942893
Fp_sqr 64638004
get_Flx_var 68415006
mkvec 71156549
nf_get_degree 71371617
Fp_mulu 71777239
Fp_center 77205571
vecsmallpermute 78737461
rowslice 79353400
sqrtr 80381171
perm_mul 80932978
Fp_red 82085899
pol_0 83002281
get_Flx_degree 84287378
gtos 85854590
is_noncalc_t 85878998
cxnorm 91216239
mkcomplex 91619744
pr_get_p 92491036
dbllog2r 92829618
nf_get_pol 98086026
F2v_set 101405316
vecsmalltrunc_append 101530153
cgiv 102282002
RgX_copy 103409090
pol0_Flx 103524336
prec2nbits 103967411
mkvecsmall3 104046825
vecsmall_prefixcmp 108088071
gc_all 110027575
F2x_renormalize 115170328
zerocol 122358823
gaddgs 123248632
mkvec3 123756917
both_odd 124091071
F2x_set 124731166
nchar2nlong 127435087
mkvecsmall 131700674
equalim1 139505824
bit_prec 142834321
FpX_renormalize 144583612
ZX_renormalize 155018654
mkcol2 156890103
nbrows 157534753
leading_coeff 170556274
Flx_copy 173801587
Fp_add 181611050
nbits2prec 186152546
mkvec2 186636925
vecsmalltrunc_init 193265590
Fp_mul 201116810
Fp_sub 203628342
mkvecsmall2 233669799
gtofp 254371132
gc_GEN 256224509
gmulgu 282059385
closure_get_data 321298614
closure_get_oper 321321865
closure_codestr 321343519
lg_increase 324235046
is_universal_constant 325784117
lgcols 350853024
closure_arity 371218715
is_scalar_t 375678512
bin_copy 497436035
pari_free 510852730
is_bigint 562989115
leafcopy_avma 577048922
vecslice 656303145
is_matvec_t 659302662
F2v_coeff 661333647
F2x_coeff 667924928
pari_malloc 746734690
pari_stack_new 924826117
GENbinbase 964555189
pari_stack_alloc 1019515313
pari_stack_base 1025144230
gc_leaf 1140497491
equali1 1175712650
nbits2extraprec 1456944622
gc_upto 1951196006
odd 2085984632
is_pm1 2205567721
lgpol 2692869888
isintzero 2842943405
bit_accuracy 3163461208
gc_INT 4110551698
prec2lg 4468291557
is_const_t 4893861946
degpol 5525993330
remsBIL 8006446550
icopy_avma 8042210309
divsBIL 8096401903
isonstack 8272504827
is_recursive_t 9239916963

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