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: 2025-12-06 09:22:10 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 8039853
F2m_copy 200557
F2m_flip 1554381
F2m_set 798
F2v_clear 12357724
F2v_coeff 661337990
F2v_copy 4487
F2v_ei 42
F2v_flip 1554381
F2v_set 101405994
F2v_to_F2x 37877
F2xX_shift 0
F2x_clear 12357703
F2x_coeff 668013198
F2x_copy 60442889
F2x_div 1571716
F2x_equal 4663836
F2x_equal1 2873990
F2x_flip 1554381
F2x_renormalize 115210767
F2x_set 124787939
F2xqX_div 33173
F3m_coeff 3256655
F3m_copy 0
F3m_set 0
Flm_copy 6435494
Flm_row 8742930
Flv_copy 2555329
Flx_constant 334027
Flx_copy 173813781
Flx_div 1999199
Flx_div_pre 21712731
Flx_equal1 8331191
Flx_lead 979547
Flx_mulu 1105472
FlxqX_div 0
FlxqX_div_pre 165408
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693234
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5583087
FpX_renormalize 144588345
Fp_add 181568038
Fp_addmul 11393945
Fp_center 77229237
Fp_center_i 18048145
Fp_div 15035168
Fp_divu 15129740
Fp_double 22346123
Fp_halve 247348
Fp_inv 23444333
Fp_invsafe 1100564
Fp_mul 201092669
Fp_muls 17780
Fp_mulu 67740796
Fp_neg 31485821
Fp_red 82089852
Fp_sqr 64595361
Fp_sub 203608087
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 572213
FqX_Fq_mul 427300
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38566
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 445099
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 3106347
Fq_to_FpXQ 73792
GENbinbase 964553774
QV_isscalar 54417989
Q_abs 8064368
Q_abs_shallow 120255
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622147
RgC_gtofp 34040344
RgC_gtomp 574
RgM_dimensions 9742537
RgM_fpnorml2 22795
RgM_gtofp 8259592
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22179253
RgV_gtofp 56
RgV_is_QV 140790
RgV_is_ZV 32167327
RgV_isin 110144
RgV_isin_i 110144
RgV_isscalar 1210306
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2669861
RgX_copy 103409267
RgX_div 7000740
RgX_equal_var 26883219
RgX_fpnorml2 61628
RgX_gtofp 7147788
RgX_is_QX 400154
RgX_is_ZX 22426114
RgX_is_monomial 1331756
RgX_is_rational 68326
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
RgX_to_RgV 140
Rg_col_ei 1451683
Rg_to_Fq 756
ZC_hnfrem 10696701
ZM_ZV_mod 596662
ZM_hnfrem 363877
ZM_lll 7117718
ZV_ZV_mod 8131613
ZV_dvd 23485
ZV_isscalar 23236081
ZV_to_zv 3211421
ZXQ_mul 2162210
ZXQ_sqr 961148
ZX_equal1 12893
ZX_is_monic 7376194
ZX_renormalize 155031136
Z_ispower 98
Z_issquare 458926
abgrp_get_cyc 12231359
abgrp_get_gen 1765125
abgrp_get_no 355200
absfrac 46644754
absfrac_shallow 28237
addmuliu 535908
addmuliu_inplace 59697194
affc_fixlg 249623
affgr 898866
bid_get_MOD 2157271
bid_get_U 3680252
bid_get_arch 41187
bid_get_archp 2397109
bid_get_cyc 5739811
bid_get_fact 2498967
bid_get_fact2 2201596
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804667
bid_get_ideal 72842
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2158001
bin_copy 497434948
bit_accuracy 3163898206
bit_accuracy_mul 3175472
bit_prec 142834664
bnf_get_clgp 5375658
bnf_get_cyc 3686693
bnf_get_fu 25859
bnf_get_fu_nocheck 289082
bnf_get_gen 1680411
bnf_get_logfu 2874824
bnf_get_nf 9865069
bnf_get_no 8379
bnf_get_reg 648
bnf_get_sunits 1367847
bnf_get_tuN 283002
bnf_get_tuU 303575
bnr_get_bid 2046138
bnr_get_bnf 3751399
bnr_get_clgp 2830285
bnr_get_cyc 2522601
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77147
bnr_get_nf 1368182
bnr_get_no 277500
both_odd 123840047
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975460
cgiv 102279005
checkell_i 5593338
closure_arity 371403889
closure_codestr 321522894
closure_get_code 0
closure_get_data 321483880
closure_get_dbg 13621
closure_get_frame 14173531
closure_get_oper 321505834
closure_get_text 37051
closure_is_variadic 44826576
col_ei 5926740
coltrunc_init 740250
const_col 9730251
const_vec 34488372
const_vecsmall 19711439
constant_coeff 1441396
cxcompotor 18221767
cxnorm 91219535
cxtofp 9085045
cxtoreal 337207
cyc_get_expo 2757846
cyclic_perm 99911
dbllog2r 92831221
degpol 5499721889
div_content 58575
divsBIL 8096758160
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997095
ell_get_a2 7106196
ell_get_a3 8814063
ell_get_a4 8536737
ell_get_a6 10370975
ell_get_b2 7371029
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018227
ell_get_c6 13474561
ell_get_disc 16815474
ell_get_j 2126227
ell_get_type 12499401
ell_is_inf 52464059
ellff_get_a4a6 800041
ellff_get_field 2036898
ellinf 1869404
ellnf_get_bnf 126
ellnf_get_nf 2027656
equali1 1175733040
equalim1 139505734
err_get_compo 294
err_get_num 62522
gaddgs 123248648
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 256236297
gc_INT 4110982078
gc_INT_affii 8497362
gc_all 110026663
gc_leaf 1132590642
gc_slice 2204869
gc_upto 1951208988
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 761911
gdivsg 531592
gen_I 1269839
gener_Fq_local 29945
gequalgs 29176
get_F2x_degree 1929215
get_F2x_mod 2499221
get_F2x_var 2534408
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 82285418
get_Flx_mod 25608683
get_Flx_var 68415115
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 6424982
get_FpX_mod 3394601
get_FpX_var 6957975
gisdouble 2992586
gmax_shallow 13510228
gmaxsg 0
gmin_shallow 878360
gminsg 0
gmulgs 22571218
gmulgu 282059384
gsubgs 1724813
gtodouble 60798097
gtofp 254352306
gtomp 22428
gtos 85854580
gtou 98313
guncloneNULL 48231678
guncloneNULL_deep 1446673
gval 6230
hash_str 2756815
hash_str_len 31551485
icopy_avma 8042538071
idealchineseinit 5427
idealred 138708
identity_ZV 8113
identity_perm 3242649
identity_zv 3266999
inf_get_sign 1453123
inv_content 0
is_bigint 562975453
is_const_t 4894099803
is_extscalar_t 6876
is_intreal_t 9586373
is_matvec_t 659484424
is_noncalc_t 85878071
is_pm1 2203641664
is_qfb_t 0
is_rational_t 5035628
is_real_t 62063894
is_recursive_t 9240388183
is_scalar_t 375677844
is_universal_constant 325803697
is_vec_t 43958312
isint1 17587134
isintm1 5711173
isintzero 2843016006
ismpzero 9586267
isonstack 8265604771
killblock 1932107
leading_coeff 170557920
leafcopy_avma 576975356
lg_increase 315352912
lgcols 350843354
lgpol 2681157846
lincombii 38209377
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 754907
matpascal 3983
matslice 16823045
mkcol 10641659
mkcol2 156896473
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33535
mkcols 40411
mkcomplex 91631176
mkerr 0
mkfrac 41642963
mkfraccopy 4999392
mkfracss 1209563
mkintmod 8092652
mkintmodu 1813
mkmat 4751333
mkmat2 33663454
mkmat22 50284740
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122258
mkmoo 108866
mkoo 1331998
mkpadic 2009
mkpolmod 3105222
mkqfb 27928922
mkquad 69118
mkrfrac 698439
mkrfraccopy 14
mkvec 71180203
mkvec2 184623591
mkvec2copy 114618
mkvec2s 220441
mkvec3 117746492
mkvec3s 524441
mkvec4 10107097
mkvec4s 21
mkvec5 15187071
mkveccopy 122521
mkvecs 168
mkvecsmall 131723995
mkvecsmall2 233663789
mkvecsmall3 104048890
mkvecsmall4 17825769
mkvecsmall5 1731092
modpr_get_T 13868014
modpr_get_p 1888614
modpr_get_pr 31238998
mul_content 2654980
mul_denom 10713237
mulsubii 3881866
nbits2extraprec 1456917859
nbits2ndec 228
nbits2nlong 12683957
nbits2prec 186150779
nbrows 157529728
nchar2nlong 127432163
ndec2nbits 8270
ndec2nlong 41549
ndec2prec 33279
nfV_to_scalar_or_alg 26299
nf_get_G 304178
nf_get_M 21308668
nf_get_Tr 22083
nf_get_degree 71370464
nf_get_diff 4459
nf_get_disc 463986
nf_get_index 3712395
nf_get_invzk 9769519
nf_get_pol 98084813
nf_get_r1 23029193
nf_get_r2 4154
nf_get_ramified_primes 64855
nf_get_roots 1628519
nf_get_roundG 1747494
nf_get_sign 519567
nf_get_varn 1503783
nf_get_zk 4382
nf_get_zkden 5464172
nf_get_zkprimpart 5418336
normalize_frac 17206223
odd 2084316302
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 510849580
pari_malloc 746735320
pari_realloc 1890
pari_realloc_ip 2269337
pari_stack_alloc 1019643948
pari_stack_base 1025269957
pari_stack_delete 5639247
pari_stack_init 6087192
pari_stack_new 924947899
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782893
perm_mul 80929314
perm_sqr 728
pol0_F2x 13256631
pol0_Flx 103548527
pol1_F2x 3959383
pol1_Flx 55092630
pol_0 83002298
pol_1 3756666
pol_x 3858328
pol_xn 2249964
pol_xnall 294
polx_F2x 1079311
polx_Flx 37837481
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43178809
pr_get_e 16105255
pr_get_f 26350144
pr_get_gen 12069674
pr_get_p 92490782
pr_get_tau 49576952
pr_is_inert 17150445
pr_norm 1090162
prec2lg 4468113602
prec2nbits 103966032
prec2nbits_mul 581166
prec2ndec 9778
precdbl 475510
qfb_disc 18514448
qfb_disc3 4995404
qfb_is_qfi 62941229
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8006855094
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 764020
row_i 987
rowcopy 204988
rowpermute 14710135
rowslice 79345115
rowslicepermute 184662
rowsplice 273
ser_isexactzero 10120284
shallowcopy 27642535
sqrfrac 4148112
sqrti 6666878
sqrtnr 2809594
sqrtr 80380401
sstoQ 1097215
sturm 385
submulii 32848628
submuliu 7742
submuliu_inplace 60190313
truecoef 0
trunc_safe 0
ulogint 1713459
upr_norm 346133
uutoQ 1600198
vec_append 3465723
vec_ei 1714763
vec_lengthen 18946
vec_prepend 314002
vec_setconst 0
vec_shorten 11556
vec_to_vecsmall 4036865
veclast 9372763
vecmodii 0
vecmoduu 49784
vecpermute 20544061
vecreverse 697235
vecreverse_inplace 2605
vecslice 656205591
vecslicepermute 2690298
vecsmall_append 4111368
vecsmall_coincidence 0
vecsmall_concat 1464425
vecsmall_copy 4404967
vecsmall_ei 584700
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7043238
vecsmall_max 1164713
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186998
vecsmall_reverse 3066
vecsmall_shorten 74584
vecsmall_to_col 7838296
vecsmall_to_vec 511865
vecsmall_to_vec_inplace 3304
vecsmallpermute 78733668
vecsmalltrunc_append 101499428
vecsmalltrunc_init 189162899
vecsplice 384936
vectrunc_append 16162628
vectrunc_append_batch 12306
vectrunc_init 12067541
zc_to_ZC 7824114
zero_F2m 0
zero_F2m_copy 845240
zero_F2v 3648477
zero_F2x 1350
zero_Flm 2830289
zero_Flm_copy 235939
zero_Flv 59575899
zero_Flx 1426832
zero_zm 0
zero_zv 36748329
zero_zx 0
zerocol 122352911
zeromat 109140
zeromatcopy 14251464
zeropadic 855575
zeropadic_shallow 17024
zeropol 42358730
zeroser 138908
zerovec 28455810
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 2184073
zv_to_ZV 503066
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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