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 30571-c0dfe82732) Lines: 1419 1532 92.6 %
Date: 2025-12-09 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 8039415
F2m_copy 200554
F2m_flip 1554224
F2m_set 798
F2v_clear 12357404
F2v_coeff 661335520
F2v_copy 4487
F2v_ei 42
F2v_flip 1554224
F2v_set 101405492
F2v_to_F2x 37844
F2xX_shift 0
F2x_clear 12357388
F2x_coeff 667898054
F2x_copy 60425405
F2x_div 1570535
F2x_equal 4658543
F2x_equal1 2874236
F2x_flip 1554224
F2x_renormalize 115162461
F2x_set 124718729
F2xqX_div 33173
F3m_coeff 3256714
F3m_copy 0
F3m_set 0
Flm_copy 6435537
Flm_row 8742640
Flv_copy 2555217
Flx_constant 334026
Flx_copy 173808097
Flx_div 1999175
Flx_div_pre 21712987
Flx_equal1 8331293
Flx_lead 980577
Flx_mulu 1105479
FlxqX_div 0
FlxqX_div_pre 165413
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693380
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583078
FpX_renormalize 144586963
Fp_add 181463795
Fp_addmul 11359694
Fp_center 77244072
Fp_center_i 18047576
Fp_div 15035527
Fp_divu 15129981
Fp_double 22269924
Fp_halve 247348
Fp_inv 23444471
Fp_invsafe 1100568
Fp_mul 201036843
Fp_muls 17780
Fp_mulu 69719363
Fp_neg 31479914
Fp_red 82088122
Fp_sqr 64430403
Fp_sub 203461012
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 572219
FqX_Fq_mul 427288
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38567
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 367830
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 3106392
Fq_to_FpXQ 73792
GENbinbase 964572518
QV_isscalar 54418181
Q_abs 8064351
Q_abs_shallow 120242
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622139
RgC_gtofp 34042385
RgC_gtomp 574
RgM_dimensions 9742515
RgM_fpnorml2 22795
RgM_gtofp 8259672
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179487
RgV_gtofp 56
RgV_is_QV 140789
RgV_is_ZV 32167320
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210304
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409378
RgX_div 7000740
RgX_equal_var 26883213
RgX_fpnorml2 61629
RgX_gtofp 7147770
RgX_is_QX 400154
RgX_is_ZX 22426164
RgX_is_monomial 1331838
RgX_is_rational 68326
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
RgX_to_RgV 140
Rg_col_ei 1451724
Rg_to_Fq 756
ZC_hnfrem 10696716
ZM_ZV_mod 596634
ZM_hnfrem 363895
ZM_lll 7117784
ZV_ZV_mod 8131591
ZV_dvd 23485
ZV_isscalar 23235980
ZV_to_zv 3211421
ZXQ_mul 2162102
ZXQ_sqr 961068
ZX_equal1 12893
ZX_is_monic 7376161
ZX_renormalize 155041947
Z_ispower 98
Z_issquare 458923
abgrp_get_cyc 12231338
abgrp_get_gen 1765120
abgrp_get_no 355203
absfrac 46644803
absfrac_shallow 28237
addmuliu 535782
addmuliu_inplace 59705680
affc_fixlg 249620
affgr 898866
bid_get_MOD 2157273
bid_get_U 3680254
bid_get_arch 41188
bid_get_archp 2397099
bid_get_cyc 5739801
bid_get_fact 2498959
bid_get_fact2 2201592
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804653
bid_get_ideal 72842
bid_get_mod 1521922
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158006
bin_copy 497444121
bit_accuracy 3163595430
bit_accuracy_mul 3175472
bit_prec 142845326
bnf_get_clgp 5375640
bnf_get_cyc 3686690
bnf_get_fu 25859
bnf_get_fu_nocheck 289094
bnf_get_gen 1680408
bnf_get_logfu 2874809
bnf_get_nf 9865069
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367842
bnf_get_tuN 283010
bnf_get_tuU 303588
bnr_get_bid 2046147
bnr_get_bnf 3751406
bnr_get_clgp 2830282
bnr_get_cyc 2522596
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77146
bnr_get_nf 1368169
bnr_get_no 277503
both_odd 123829243
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975456
cgiv 102283171
checkell_i 5593273
closure_arity 371511062
closure_codestr 321635211
closure_get_code 0
closure_get_data 321592827
closure_get_dbg 13621
closure_get_frame 14173940
closure_get_oper 321617653
closure_get_text 37051
closure_is_variadic 44827295
col_ei 5927006
coltrunc_init 740250
const_col 9730308
const_vec 34488908
const_vecsmall 19711957
constant_coeff 1441412
cxcompotor 18223313
cxnorm 91221409
cxtofp 9085792
cxtoreal 337203
cyc_get_expo 2757845
cyclic_perm 99911
dbllog2r 92834119
degpol 5512229817
div_content 58575
divsBIL 8096917774
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997079
ell_get_a2 7106182
ell_get_a3 8814047
ell_get_a4 8536723
ell_get_a6 10370961
ell_get_b2 7371027
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11017889
ell_get_c6 13474293
ell_get_disc 16815040
ell_get_j 2126227
ell_get_type 12499218
ell_is_inf 52438341
ellff_get_a4a6 800025
ellff_get_field 2036854
ellinf 1869532
ellnf_get_bnf 126
ellnf_get_nf 2027640
equali1 1175740729
equalim1 139506084
err_get_compo 294
err_get_num 62523
gaddgs 123248587
gal_get_den 27881
gal_get_e 91
gal_get_gen 15449
gal_get_group 80400
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 256251469
gc_INT 4110927121
gc_INT_affii 8501183
gc_all 110027736
gc_leaf 1136450675
gc_slice 2204967
gc_upto 1951257649
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 761929
gdivsg 531590
gen_I 1269848
gener_Fq_local 29946
gequalgs 29176
get_F2x_degree 1929006
get_F2x_mod 2499269
get_F2x_var 2534148
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 83305724
get_Flx_mod 25609132
get_Flx_var 68416779
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 6424901
get_FpX_mod 3394573
get_FpX_var 6958112
gisdouble 2993098
gmax_shallow 13510228
gmaxsg 0
gmin_shallow 878360
gminsg 0
gmulgs 22606051
gmulgu 282059384
gsubgs 1724793
gtodouble 60799722
gtofp 254390009
gtomp 22428
gtos 85854577
gtou 98309
guncloneNULL 48228412
guncloneNULL_deep 1442592
gval 6230
hash_str 2756815
hash_str_len 31551613
icopy_avma 8042396601
idealchineseinit 5427
idealred 138711
identity_ZV 8113
identity_perm 3242864
identity_zv 3267213
inf_get_sign 1453215
inv_content 0
is_bigint 563000895
is_const_t 4894779340
is_extscalar_t 6876
is_intreal_t 9586645
is_matvec_t 659588894
is_noncalc_t 85878298
is_pm1 2204476300
is_qfb_t 0
is_rational_t 5035674
is_real_t 62063904
is_recursive_t 9240373127
is_scalar_t 375678965
is_universal_constant 325862821
is_vec_t 43970881
isint1 17587214
isintm1 5711256
isintzero 2843498519
ismpzero 9586541
isonstack 8269638356
killblock 1930893
leading_coeff 170557097
leafcopy_avma 577579835
lg_increase 319259536
lgcols 350852771
lgpol 2686713031
lincombii 38214810
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 754917
matpascal 3983
matslice 16823500
mkcol 10641548
mkcol2 156895242
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33536
mkcols 40411
mkcomplex 91643438
mkerr 0
mkfrac 41644208
mkfraccopy 4999599
mkfracss 1209563
mkintmod 8092638
mkintmodu 1813
mkmat 4751323
mkmat2 33663786
mkmat22 50284842
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122270
mkmoo 108865
mkoo 1332090
mkpadic 2009
mkpolmod 3105223
mkqfb 27928703
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71161052
mkvec2 185614332
mkvec2copy 114620
mkvec2s 220440
mkvec3 120806237
mkvec3s 524441
mkvec4 10107007
mkvec4s 21
mkvec5 15187103
mkveccopy 122521
mkvecs 168
mkvecsmall 131696657
mkvecsmall2 233652805
mkvecsmall3 104048659
mkvecsmall4 17831198
mkvecsmall5 1731085
modpr_get_T 13868030
modpr_get_p 1888614
modpr_get_pr 31239041
mul_content 2654963
mul_denom 10713363
mulsubii 3881948
nbits2extraprec 1456957324
nbits2ndec 228
nbits2nlong 12678326
nbits2prec 186160866
nbrows 157536562
nchar2nlong 127436988
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26299
nf_get_G 304214
nf_get_M 21308539
nf_get_Tr 22083
nf_get_degree 71370922
nf_get_diff 4459
nf_get_disc 463978
nf_get_index 3712378
nf_get_invzk 9769461
nf_get_pol 98084984
nf_get_r1 23029164
nf_get_r2 4154
nf_get_ramified_primes 64854
nf_get_roots 1628545
nf_get_roundG 1747541
nf_get_sign 519566
nf_get_varn 1503783
nf_get_zk 4382
nf_get_zkden 5464308
nf_get_zkprimpart 5418532
normalize_frac 17206524
odd 2085346839
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 510854520
pari_malloc 746745453
pari_realloc 1890
pari_realloc_ip 2269228
pari_stack_alloc 1019780267
pari_stack_base 1025387737
pari_stack_delete 5630182
pari_stack_init 6087127
pari_stack_new 925080712
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782953
perm_mul 80934568
perm_sqr 728
pol0_F2x 13243871
pol0_Flx 103520299
pol1_F2x 3957579
pol1_Flx 55092321
pol_0 83002300
pol_1 3756609
pol_x 3858464
pol_xn 2249942
pol_xnall 294
polx_F2x 1078688
polx_Flx 37835266
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178844
pr_get_e 16105477
pr_get_f 26350402
pr_get_gen 12069588
pr_get_p 92491649
pr_get_tau 49577558
pr_is_inert 17150565
pr_norm 1090230
prec2lg 4468411241
prec2nbits 103968797
prec2nbits_mul 581165
prec2ndec 9778
precdbl 475524
qfb_disc 18514419
qfb_disc3 4995286
qfb_is_qfi 62941367
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006947536
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 764018
row_i 987
rowcopy 204988
rowpermute 14711036
rowslice 79355119
rowslicepermute 185033
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27643620
sqrfrac 4148251
sqrti 6666923
sqrtnr 2809693
sqrtr 80385682
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60202545
truecoef 0
trunc_safe 0
ulogint 1723842
upr_norm 346136
uutoQ 1600198
vec_append 3465758
vec_ei 1714789
vec_lengthen 18946
vec_prepend 313998
vec_setconst 0
vec_shorten 11557
vec_to_vecsmall 4036852
veclast 9372752
vecmodii 0
vecmoduu 49784
vecpermute 20548002
vecreverse 697235
vecreverse_inplace 2605
vecslice 656335345
vecslicepermute 2691711
vecsmall_append 4111380
vecsmall_coincidence 0
vecsmall_concat 1464442
vecsmall_copy 4404911
vecsmall_ei 584750
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043246
vecsmall_max 1164550
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74583
vecsmall_to_col 7838934
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78738918
vecsmalltrunc_append 101475315
vecsmalltrunc_init 191094051
vecsplice 384929
vectrunc_append 16160807
vectrunc_append_batch 12306
vectrunc_init 12066208
zc_to_ZC 7824751
zero_F2m 0
zero_F2m_copy 845225
zero_F2v 3648399
zero_F2x 1350
zero_Flm 2830431
zero_Flm_copy 235946
zero_Flv 59570768
zero_Flx 1426716
zero_zm 0
zero_zv 36746128
zero_zx 0
zerocol 122359981
zeromat 109175
zeromatcopy 14251745
zeropadic 855166
zeropadic_shallow 17024
zeropol 42358718
zeroser 138908
zerovec 28455896
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 2183964
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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