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 30365-beea1ff998) Lines: 1421 1532 92.8 %
Date: 2025-07-02 09:21:24 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 8033918
F2m_copy 200493
F2m_flip 1554354
F2m_set 798
F2v_clear 12354903
F2v_coeff 661289715
F2v_copy 4487
F2v_ei 42
F2v_flip 1554354
F2v_set 101397554
F2v_to_F2x 37927
F2xX_shift 0
F2x_clear 12354903
F2x_coeff 667899667
F2x_copy 60423916
F2x_div 1571380
F2x_equal 4661940
F2x_equal1 2874109
F2x_flip 1554354
F2x_renormalize 115243246
F2x_set 124767418
F2xqX_div 33173
F3m_coeff 3256711
F3m_copy 0
F3m_set 0
Flm_copy 6429850
Flm_row 8742335
Flv_copy 2555324
Flx_constant 330260
Flx_copy 173868650
Flx_div 1999005
Flx_div_pre 21683684
Flx_equal1 8327341
Flx_lead 980103
Flx_mulu 1105179
FlxqX_div 0
FlxqX_div_pre 165414
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4693174
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849896
FpXY_Fq_evaly 20587
FpX_div 5577143
FpX_renormalize 145349244
Fp_add 172424589
Fp_addmul 11454212
Fp_center 76845151
Fp_center_i 14253593
Fp_div 15035640
Fp_divu 15135414
Fp_double 22445494
Fp_halve 247348
Fp_inv 23439063
Fp_invsafe 1100353
Fp_mul 201167937
Fp_muls 17780
Fp_mulu 71322141
Fp_neg 30884549
Fp_red 82032173
Fp_sqr 65211922
Fp_sub 204293104
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 572068
FqX_Fq_mul 427283
FqX_add 127694
FqX_ddf 7
FqX_degfact 47786
FqX_deriv 40061
FqX_div 38548
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 444994
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 367801
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 3106412
Fq_to_FpXQ 73792
GENbinbase 959081893
QV_isscalar 54377209
Q_abs 8062438
Q_abs_shallow 120248
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 622071
RgC_gtofp 34002024
RgC_gtomp 574
RgM_dimensions 9741753
RgM_fpnorml2 22781
RgM_gtofp 8249003
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 22158852
RgV_gtofp 56
RgV_is_QV 140751
RgV_is_ZV 31718994
RgV_isin 110130
RgV_isin_i 110130
RgV_isscalar 1208178
RgXQX_div 1904
RgXQX_rem 127635
RgX_coeff 2668699
RgX_copy 103516476
RgX_div 7057016
RgX_equal_var 26880773
RgX_fpnorml2 61607
RgX_gtofp 7139349
RgX_is_QX 400116
RgX_is_ZX 21400909
RgX_is_monomial 1396371
RgX_is_rational 68305
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479267
RgX_shift_inplace_init 479267
RgX_to_RgV 140
Rg_col_ei 1451204
Rg_to_Fq 756
ZC_hnfrem 10682148
ZM_ZV_mod 596563
ZM_hnfrem 363844
ZM_lll 7108429
ZV_ZV_mod 8128925
ZV_dvd 23485
ZV_isscalar 22996419
ZV_to_zv 3206066
ZXQ_mul 2162025
ZXQ_sqr 961044
ZX_equal1 12711
ZX_is_monic 7375963
ZX_renormalize 157429835
Z_ispower 98
Z_issquare 458906
abgrp_get_cyc 12225661
abgrp_get_gen 1762881
abgrp_get_no 355157
absfrac 46617273
absfrac_shallow 27845
addmuliu 541119
addmuliu_inplace 59692883
affc_fixlg 249592
affgr 898817
bid_get_MOD 2157244
bid_get_U 3680221
bid_get_arch 41188
bid_get_archp 2397082
bid_get_cyc 5739554
bid_get_fact 2498910
bid_get_fact2 2201567
bid_get_gen 64274
bid_get_gen_nocheck 0
bid_get_grp 5804409
bid_get_ideal 72821
bid_get_mod 1521921
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2157969
bin_copy 494709550
bit_accuracy 3164769689
bit_accuracy_mul 3175264
bit_prec 142883321
bnf_get_clgp 5368353
bnf_get_cyc 3681663
bnf_get_fu 25852
bnf_get_fu_nocheck 289072
bnf_get_gen 1678173
bnf_get_logfu 2872550
bnf_get_nf 9852625
bnf_get_no 8358
bnf_get_reg 641
bnf_get_sunits 1365640
bnf_get_tuN 282984
bnf_get_tuU 303552
bnr_get_bid 2045863
bnr_get_bnf 3750904
bnr_get_clgp 2829991
bnr_get_cyc 2522322
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 77119
bnr_get_nf 1368107
bnr_get_no 277493
both_odd 117072747
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 973489
cgiv 101997984
checkell_i 4677420
closure_arity 368260734
closure_codestr 319380089
closure_get_code 0
closure_get_data 319336496
closure_get_dbg 13523
closure_get_frame 13192825
closure_get_oper 319360259
closure_get_text 36855
closure_is_variadic 40148480
col_ei 5923595
coltrunc_init 393680
const_col 9729436
const_vec 33509767
const_vecsmall 19487908
constant_coeff 1441260
cxcompotor 18136686
cxnorm 90985212
cxtofp 9043805
cxtoreal 394432
cyc_get_expo 2755556
cyclic_perm 99911
dbllog2r 94070736
degpol 5428737957
div_content 58476
divsBIL 8156385929
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232582
ellR_get_sign 371325
ell_get_a1 7116206
ell_get_a2 5709708
ell_get_a3 6912853
ell_get_a4 6522709
ell_get_a6 7961482
ell_get_b2 5432784
ell_get_b4 2135641
ell_get_b6 3055105
ell_get_b8 2608978
ell_get_c4 8021688
ell_get_c6 8850309
ell_get_disc 11280290
ell_get_j 1295726
ell_get_type 11588140
ell_is_inf 52791738
ellff_get_a4a6 800045
ellff_get_field 2036884
ellinf 1868507
ellnf_get_bnf 126
ellnf_get_nf 2027609
equali1 1306512058
equalim1 139041974
err_get_compo 294
err_get_num 62334
gaddgs 123247371
gal_get_den 27874
gal_get_e 91
gal_get_gen 15449
gal_get_group 80394
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 254947852
gc_INT 4084416833
gc_INT_affii 8483299
gc_all 109608033
gc_leaf 1135572827
gc_slice 2204680
gc_upto 1921420982
gchar_copy_precs 1202
gchar_get_DLdata 188468
gchar_get_S 36865
gchar_get_U 0
gchar_get_Ui 10969
gchar_get_basis 32639
gchar_get_bnf 203105
gchar_get_cyc 16168
gchar_get_evalprec 4011
gchar_get_hnf 0
gchar_get_loccyc 50347
gchar_get_m0 3321
gchar_get_mod 8225
gchar_get_modP 4095
gchar_get_nalg 2042
gchar_get_nc 37131
gchar_get_nf 241501
gchar_get_nfprec 13419
gchar_get_nfree 322
gchar_get_nm 1841
gchar_get_ns 36865
gchar_get_ntors 322
gchar_get_prec 18732
gchar_get_r1 17416
gchar_get_r2 623
gchar_get_sfu 1748
gchar_get_u0 4267
gchar_get_zm 279434
gchar_set_HUUi 623
gchar_set_basis 1573
gchar_set_cyc 1573
gchar_set_evalprec 1785
gchar_set_m0 950
gchar_set_nalg 623
gchar_set_nf 2077
gchar_set_nfprec 2950
gchar_set_nfree 623
gchar_set_ntors 623
gchar_set_prec 1202
gchar_set_u0 2093
gcmpgs 790663
gdivsg 529207
gen_I 1269472
gener_Fq_local 29932
gequalgs 29176
get_F2x_degree 1929086
get_F2x_mod 2499236
get_F2x_var 2534220
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 84190102
get_Flx_mod 25583973
get_Flx_var 68320692
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 6006320
get_FpX_mod 3394338
get_FpX_var 7238720
gisdouble 2984407
gmax_shallow 13510221
gmaxsg 0
gmin_shallow 876351
gminsg 0
gmulgs 22302721
gmulgu 124184361
gsubgs 1727410
gtodouble 60858201
gtofp 254136850
gtomp 22428
gtos 85815589
gtou 104369
guncloneNULL 48137385
guncloneNULL_deep 1388644
gval 5824
hash_str 2747301
hash_str_len 18310261
icopy_avma 7969939611
idealchineseinit 5427
idealred 138474
identity_ZV 8113
identity_perm 3242673
identity_zv 3267016
inf_get_sign 1453039
inv_content 0
is_bigint 560965840
is_const_t 4922440914
is_extscalar_t 6876
is_intreal_t 9574929
is_matvec_t 664711423
is_noncalc_t 85757863
is_pm1 2194597377
is_qfb_t 0
is_rational_t 5034686
is_real_t 62657704
is_recursive_t 9239826396
is_scalar_t 380934164
is_universal_constant 291155632
is_vec_t 43504877
isint1 17114278
isintm1 5703143
isintzero 2832417003
ismpzero 9574822
isonstack 8205551088
killblock 1902118
leading_coeff 171146822
leafcopy_avma 570366820
lg_increase 310841362
lgcols 349676865
lgpol 2672162564
lincombii 38193792
locs_get_Lgenfil 1260
locs_get_Lsprk 191695
locs_get_cyc 51955
locs_get_famod 1260
locs_get_m_infty 207235
locs_get_mod 8225
logint 752790
matpascal 3885
matslice 16802203
mkcol 10634510
mkcol2 156707502
mkcol2s 4415404
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232484
mkcolcopy 33499
mkcols 40411
mkcomplex 91708736
mkerr 0
mkfrac 41618179
mkfraccopy 4959189
mkfracss 1209444
mkintmod 8092722
mkintmodu 1813
mkmat 4748549
mkmat2 33189649
mkmat22 50180013
mkmat22s 207508
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122220
mkmoo 108812
mkoo 1331961
mkpadic 2009
mkpolmod 3105000
mkqfb 28076959
mkquad 69118
mkrfrac 698152
mkrfraccopy 14
mkvec 68492429
mkvec2 184180968
mkvec2copy 114564
mkvec2s 220405
mkvec3 121259473
mkvec3s 524441
mkvec4 6767852
mkvec4s 21
mkvec5 14725219
mkveccopy 122507
mkvecs 168
mkvecsmall 130828157
mkvecsmall2 227228985
mkvecsmall3 101469691
mkvecsmall4 16099774
mkvecsmall5 720841
modpr_get_T 13865357
modpr_get_p 1888431
modpr_get_pr 31231313
mul_content 2651945
mul_denom 10706082
mulsubii 3880699
nbits2extraprec 1498441304
nbits2ndec 228
nbits2nlong 12653387
nbits2prec 186959116
nbrows 157490477
nchar2nlong 122336156
ndec2nbits 8270
ndec2nlong 41521
ndec2prec 33251
nfV_to_scalar_or_alg 26293
nf_get_G 303082
nf_get_M 21066673
nf_get_Tr 22082
nf_get_degree 71318378
nf_get_diff 4438
nf_get_disc 463824
nf_get_index 3707927
nf_get_invzk 9757903
nf_get_pol 98009043
nf_get_r1 22789228
nf_get_r2 4140
nf_get_ramified_primes 64812
nf_get_roots 1621293
nf_get_roundG 1743962
nf_get_sign 517281
nf_get_varn 1503565
nf_get_zk 4382
nf_get_zkden 5458293
nf_get_zkprimpart 5412511
normalize_frac 17044908
odd 2079673851
pari_calloc 47573
pari_err_BUG 14
pari_err_COMPONENT 214
pari_err_CONSTPOL 21
pari_err_COPRIME 84
pari_err_DIM 718
pari_err_DOMAIN 2771
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 15384
pari_err_TYPE2 3493
pari_err_VAR 371
pari_free 508036187
pari_malloc 738499197
pari_realloc 1890
pari_realloc_ip 2174774
pari_stack_alloc 700156361
pari_stack_base 705527768
pari_stack_delete 5413011
pari_stack_init 5830993
pari_stack_new 606946497
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2782809
perm_mul 80930329
perm_sqr 728
pol0_F2x 13247360
pol0_Flx 103206623
pol1_F2x 3958154
pol1_Flx 55026488
pol_0 83307467
pol_1 4470194
pol_x 3824859
pol_xn 2249918
pol_xnall 294
polx_F2x 1079017
polx_Flx 38047613
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43195745
pr_get_e 15947598
pr_get_f 25979377
pr_get_gen 12051809
pr_get_p 91649945
pr_get_tau 48824048
pr_is_inert 16889431
pr_norm 1086491
prec2lg 4512742641
prec2nbits 105878024
prec2nbits_mul 581139
prec2ndec 9778
precdbl 475350
qfb_disc 18515271
qfb_disc3 4987414
qfb_is_qfi 63019801
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 8065904025
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 763988
row_i 987
rowcopy 204988
rowpermute 14704813
rowslice 79326092
rowslicepermute 184704
rowsplice 273
ser_isexactzero 10079479
shallowcopy 27635511
sqrfrac 4144516
sqrti 6706750
sqrtnr 2800196
sqrtr 80232209
sstoQ 1097131
sturm 385
submulii 32847018
submuliu 7742
submuliu_inplace 60181025
truecoef 0
trunc_safe 0
ulogint 1718697
upr_norm 343930
uutoQ 159002008
vec_append 3461200
vec_ei 1714576
vec_lengthen 18969
vec_prepend 314104
vec_setconst 0
vec_shorten 11549
vec_to_vecsmall 4031477
veclast 7093185
vecmodii 0
vecmoduu 49784
vecpermute 20518545
vecreverse 697060
vecreverse_inplace 2570
vecslice 656101652
vecslicepermute 2689620
vecsmall_append 4107957
vecsmall_coincidence 0
vecsmall_concat 1464432
vecsmall_copy 4399249
vecsmall_ei 584708
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 526
vecsmall_lexcmp 7209171
vecsmall_max 1075691
vecsmall_min 2324
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186991
vecsmall_reverse 3052
vecsmall_shorten 74676
vecsmall_to_col 7834394
vecsmall_to_vec 511536
vecsmall_to_vec_inplace 3304
vecsmallpermute 78734782
vecsmalltrunc_append 101389594
vecsmalltrunc_init 188143356
vecsplice 384898
vectrunc_append 15528354
vectrunc_append_batch 12278
vectrunc_init 11956144
zc_to_ZC 7820212
zero_F2m 0
zero_F2m_copy 845091
zero_F2v 3647477
zero_F2x 1350
zero_Flm 2830327
zero_Flm_copy 236092
zero_Flv 59552699
zero_Flx 1426934
zero_zm 0
zero_zv 36794807
zero_zx 0
zerocol 122243008
zeromat 109109
zeromatcopy 14234332
zeropadic 855534
zeropadic_shallow 17024
zeropol 42325745
zeroser 138810
zerovec 26922894
zerovec_block 28933
zm_copy 0
zm_row 0
zm_to_zxV 0
zm_transpose 266
znstar_get_N 38653372
znstar_get_U 176051
znstar_get_Ui 46788
znstar_get_conreycyc 7978755
znstar_get_conreygen 3289875
znstar_get_cyc 261990
znstar_get_faN 7330493
znstar_get_gen 16150
znstar_get_no 14
znstar_get_pe 2868776
zv_copy 2184061
zv_to_ZV 502975
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

Generated by: LCOV version 1.16