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 30540-a74e376001) Lines: 1419 1532 92.6 %
Date: 2025-11-09 09:22:50 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 8038884
F2m_copy 200503
F2m_flip 1554031
F2m_set 798
F2v_clear 12355376
F2v_coeff 661327838
F2v_copy 4487
F2v_ei 42
F2v_flip 1554031
F2v_set 101404017
F2v_to_F2x 37890
F2xX_shift 0
F2x_clear 12355381
F2x_coeff 667971674
F2x_copy 60392756
F2x_div 1569800
F2x_equal 4655558
F2x_equal1 2873870
F2x_flip 1554031
F2x_renormalize 115212482
F2x_set 124777551
F2xqX_div 33173
F3m_coeff 3256716
F3m_copy 0
F3m_set 0
Flm_copy 6433640
Flm_row 8742613
Flv_copy 2555383
Flx_constant 333157
Flx_copy 173800347
Flx_div 1999049
Flx_div_pre 21701864
Flx_equal1 8327244
Flx_lead 980226
Flx_mulu 1105214
FlxqX_div 0
FlxqX_div_pre 165419
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693748
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5581087
FpX_renormalize 144593440
Fp_add 181605754
Fp_addmul 11349753
Fp_center 77225168
Fp_center_i 18041385
Fp_div 15035700
Fp_divu 15135526
Fp_double 22294757
Fp_halve 247348
Fp_inv 23437650
Fp_invsafe 1100357
Fp_mul 201050735
Fp_muls 17780
Fp_mulu 69177162
Fp_neg 31490935
Fp_red 82093945
Fp_sqr 64767251
Fp_sub 203514012
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 572140
FqX_Fq_mul 427292
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 445050
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 367814
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 3106407
Fq_to_FpXQ 73792
GENbinbase 964227770
QV_isscalar 54401421
Q_abs 8062664
Q_abs_shallow 120252
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622073
RgC_gtofp 34007350
RgC_gtomp 574
RgM_dimensions 9741998
RgM_fpnorml2 22781
RgM_gtofp 8251863
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22169840
RgV_gtofp 56
RgV_is_QV 140759
RgV_is_ZV 32164046
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1210307
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669371
RgX_copy 103404806
RgX_div 7000740
RgX_equal_var 26880627
RgX_fpnorml2 61608
RgX_gtofp 7147691
RgX_is_QX 400130
RgX_is_ZX 22421704
RgX_is_monomial 1331301
RgX_is_rational 68306
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451306
Rg_to_Fq 756
ZC_hnfrem 10690810
ZM_ZV_mod 596624
ZM_hnfrem 363844
ZM_lll 7112200
ZV_ZV_mod 8131274
ZV_dvd 23485
ZV_isscalar 23098301
ZV_to_zv 3211415
ZXQ_mul 2162040
ZXQ_sqr 961082
ZX_equal1 12711
ZX_is_monic 7375995
ZX_renormalize 155042692
Z_ispower 98
Z_issquare 458924
abgrp_get_cyc 12230249
abgrp_get_gen 1765032
abgrp_get_no 355188
absfrac 46637934
absfrac_shallow 28237
addmuliu 541154
addmuliu_inplace 59755141
affc_fixlg 249591
affgr 898824
bid_get_MOD 2157261
bid_get_U 3680239
bid_get_arch 41188
bid_get_archp 2397132
bid_get_cyc 5739592
bid_get_fact 2498946
bid_get_fact2 2201581
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804441
bid_get_ideal 72842
bid_get_mod 1521920
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157989
bin_copy 497262706
bit_accuracy 3162774743
bit_accuracy_mul 3175454
bit_prec 142657704
bnf_get_clgp 5374934
bnf_get_cyc 3686074
bnf_get_fu 25858
bnf_get_fu_nocheck 289078
bnf_get_gen 1680318
bnf_get_logfu 2874722
bnf_get_nf 9863723
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1367778
bnf_get_tuN 283009
bnf_get_tuU 303582
bnr_get_bid 2045869
bnr_get_bnf 3750910
bnr_get_clgp 2830022
bnr_get_cyc 2522343
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77117
bnr_get_nf 1368126
bnr_get_no 277495
both_odd 124025060
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975427
cgiv 102115766
checkell_i 5593301
closure_arity 371362968
closure_codestr 321476670
closure_get_code 0
closure_get_data 321442822
closure_get_dbg 13621
closure_get_frame 14168697
closure_get_oper 321459882
closure_get_text 37051
closure_is_variadic 40167561
col_ei 5925878
coltrunc_init 740250
const_col 9729886
const_vec 34479391
const_vecsmall 19705377
constant_coeff 1441518
cxcompotor 18217626
cxnorm 90939325
cxtofp 9082969
cxtoreal 337174
cyc_get_expo 2757779
cyclic_perm 99911
dbllog2r 92818566
degpol 5511789531
div_content 58476
divsBIL 8096920663
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997054
ell_get_a2 7106163
ell_get_a3 8814022
ell_get_a4 8536704
ell_get_a6 10370942
ell_get_b2 7371021
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018220
ell_get_c6 13474681
ell_get_disc 16815362
ell_get_j 2126227
ell_get_type 12499450
ell_is_inf 52512398
ellff_get_a4a6 800028
ellff_get_field 2036875
ellinf 1869808
ellnf_get_bnf 126
ellnf_get_nf 2027595
equali1 1175136653
equalim1 139504514
err_get_compo 294
err_get_num 62529
gaddgs 123245793
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80392
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 256152751
gc_INT 4105057371
gc_INT_affii 8486384
gc_all 109990809
gc_leaf 1135040857
gc_slice 2204889
gc_upto 1949015390
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 761920
gdivsg 531143
gen_I 1269839
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929113
get_F2x_mod 2499148
get_F2x_var 2534298
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82960316
get_Flx_mod 25600934
get_Flx_var 68361379
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 6424452
get_FpX_mod 3394355
get_FpX_var 6957963
gisdouble 2987104
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 878360
gminsg 0
gmulgs 22450746
gmulgu 282058132
gsubgs 1724191
gtodouble 60764484
gtofp 254197941
gtomp 22428
gtos 85853488
gtou 98300
guncloneNULL 48223843
guncloneNULL_deep 1441342
gval 5824
hash_str 2756815
hash_str_len 31549535
icopy_avma 8035852648
idealchineseinit 5427
idealred 138519
identity_ZV 8113
identity_perm 3242289
identity_zv 3266639
inf_get_sign 1453119
inv_content 0
is_bigint 562541633
is_const_t 4888303639
is_extscalar_t 6876
is_intreal_t 9583747
is_matvec_t 659442459
is_noncalc_t 85861262
is_pm1 2203272324
is_qfb_t 0
is_rational_t 5035109
is_real_t 62063093
is_recursive_t 9238824649
is_scalar_t 375643611
is_universal_constant 325798235
is_vec_t 43950235
isint1 17571935
isintm1 5704263
isintzero 2837615432
ismpzero 9583631
isonstack 8258973200
killblock 1928520
leading_coeff 170558600
leafcopy_avma 577205810
lg_increase 315483619
lgcols 350240854
lgpol 2688379952
lincombii 38192037
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 755036
matpascal 3885
matslice 16817290
mkcol 10641036
mkcol2 156844009
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33507
mkcols 40411
mkcomplex 91636551
mkerr 0
mkfrac 41633561
mkfraccopy 4999047
mkfracss 1209563
mkintmod 8092454
mkintmodu 1813
mkmat 4750774
mkmat2 33658685
mkmat22 50271312
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122254
mkmoo 108849
mkoo 1332012
mkpadic 2009
mkpolmod 3105017
mkqfb 27919806
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 71137345
mkvec2 184889048
mkvec2copy 114571
mkvec2s 220416
mkvec3 119922332
mkvec3s 524441
mkvec4 10105953
mkvec4s 21
mkvec5 15184904
mkveccopy 122521
mkvecs 168
mkvecsmall 131680711
mkvecsmall2 233639058
mkvecsmall3 104042925
mkvecsmall4 17836852
mkvecsmall5 1731100
modpr_get_T 13867593
modpr_get_p 1888432
modpr_get_pr 31238008
mul_content 2654125
mul_denom 10709894
mulsubii 3881457
nbits2extraprec 1456279910
nbits2ndec 228
nbits2nlong 12652635
nbits2prec 186095455
nbrows 157460218
nchar2nlong 127399284
ndec2nbits 8270
ndec2nlong 41507
ndec2prec 33237
nfV_to_scalar_or_alg 26300
nf_get_G 303575
nf_get_M 21172146
nf_get_Tr 22078
nf_get_degree 71349975
nf_get_diff 4438
nf_get_disc 463865
nf_get_index 3711319
nf_get_invzk 9765429
nf_get_pol 98057050
nf_get_r1 22892620
nf_get_r2 4154
nf_get_ramified_primes 64813
nf_get_roots 1627844
nf_get_roundG 1746600
nf_get_sign 519552
nf_get_varn 1503570
nf_get_zk 4382
nf_get_zkden 5462196
nf_get_zkprimpart 5416335
normalize_frac 17204639
odd 2085018705
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 510668089
pari_malloc 746566505
pari_realloc 1890
pari_realloc_ip 2266753
pari_stack_alloc 1019701838
pari_stack_base 1025293375
pari_stack_delete 5609526
pari_stack_init 6081837
pari_stack_new 925020479
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782783
perm_mul 80927762
perm_sqr 728
pol0_F2x 13243496
pol0_Flx 103517952
pol1_F2x 3958571
pol1_Flx 55059958
pol_0 82998372
pol_1 3756358
pol_x 3856872
pol_xn 2249960
pol_xnall 294
polx_F2x 1078343
polx_Flx 37825692
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178376
pr_get_e 15952718
pr_get_f 26041099
pr_get_gen 12062192
pr_get_p 91709144
pr_get_tau 48872272
pr_is_inert 16910307
pr_norm 1088550
prec2lg 4466769674
prec2nbits 103932571
prec2nbits_mul 581139
prec2ndec 9778
precdbl 475518
qfb_disc 18514499
qfb_disc3 4990834
qfb_is_qfi 62946537
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8005976617
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 764009
row_i 987
rowcopy 204988
rowpermute 14708957
rowslice 79344336
rowslicepermute 184841
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27639753
sqrfrac 4147740
sqrti 6665553
sqrtnr 2807503
sqrtr 80364167
sstoQ 1097215
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60241669
truecoef 0
trunc_safe 0
ulogint 1715367
upr_norm 346135
uutoQ 1600142
vec_append 3465596
vec_ei 1714617
vec_lengthen 18946
vec_prepend 313997
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036850
veclast 9372686
vecmodii 0
vecmoduu 49784
vecpermute 20531136
vecreverse 697235
vecreverse_inplace 2605
vecslice 656109390
vecslicepermute 2689683
vecsmall_append 4111370
vecsmall_coincidence 0
vecsmall_concat 1464418
vecsmall_copy 4404258
vecsmall_ei 584732
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043259
vecsmall_max 1164515
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74579
vecsmall_to_col 7837822
vecsmall_to_vec 511585
vecsmall_to_vec_inplace 3304
vecsmallpermute 78732440
vecsmalltrunc_append 101460454
vecsmalltrunc_init 189917176
vecsplice 384902
vectrunc_append 16162000
vectrunc_append_batch 12306
vectrunc_init 12065785
zc_to_ZC 7823643
zero_F2m 0
zero_F2m_copy 845102
zero_F2v 3648081
zero_F2x 1350
zero_Flm 2829955
zero_Flm_copy 235921
zero_Flv 59498700
zero_Flx 1426983
zero_zm 0
zero_zv 36737656
zero_zx 0
zerocol 122279207
zeromat 109118
zeromatcopy 14239643
zeropadic 855530
zeropadic_shallow 17024
zeropol 42358595
zeroser 138824
zerovec 28455469
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 2184122
zv_to_ZV 503010
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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