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 30556-bb9f5f8fc8) Lines: 1419 1532 92.6 %
Date: 2025-11-25 09:20:50 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 8019477
F2m_copy 199658
F2m_flip 1549050
F2m_set 798
F2v_clear 12143195
F2v_coeff 651842869
F2v_copy 4487
F2v_ei 42
F2v_flip 1549050
F2v_set 101317613
F2v_to_F2x 37366
F2xX_shift 0
F2x_clear 12143200
F2x_coeff 658406234
F2x_copy 60359624
F2x_div 1565829
F2x_equal 4651265
F2x_equal1 2866930
F2x_flip 1549050
F2x_renormalize 115141792
F2x_set 124624270
F2xqX_div 33173
F3m_coeff 1781253
F3m_copy 0
F3m_set 0
Flm_copy 6389174
Flm_row 8131176
Flv_copy 2527468
Flx_constant 334016
Flx_copy 172479684
Flx_div 1996668
Flx_div_pre 21610627
Flx_equal1 8310964
Flx_lead 979878
Flx_mulu 1101047
FlxqX_div 0
FlxqX_div_pre 164580
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQX_div 4526
FpXQX_renormalize 4691303
FpXQ_add 0
FpXQ_sub 0
FpXX_renormalize 849800
FpXY_Fq_evaly 20587
FpX_div 5563048
FpX_renormalize 143888497
Fp_add 179359857
Fp_addmul 11329732
Fp_center 75614037
Fp_center_i 17600186
Fp_div 15034961
Fp_divu 15129405
Fp_double 22305024
Fp_halve 247348
Fp_inv 23323613
Fp_invsafe 1097735
Fp_mul 196248519
Fp_muls 17780
Fp_mulu 67714768
Fp_neg 31589709
Fp_red 82658304
Fp_sqr 64590177
Fp_sub 195808011
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 567814
FqX_Fq_mul 427202
FqX_add 127694
FqX_ddf 7
FqX_degfact 47758
FqX_deriv 40061
FqX_div 37264
FqX_div_by_X_x 69629
FqX_divrem 0
FqX_extgcd 442405
FqX_factor 140309
FqX_factor_squarefree 7
FqX_gcd 6874
FqX_get_red 6090
FqX_halfgcd 0
FqX_halve 19411
FqX_integ 0
FqX_is_squarefree 683802
FqX_mul 364555
FqX_mulu 21942
FqX_neg 24956
FqX_normalize 3437
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 2987668
Fq_to_FpXQ 73792
GENbinbase 959162913
QV_isscalar 51733844
Q_abs 7642052
Q_abs_shallow 96416
Qtoss 35322
R_abs 0
R_abs_shallow 13097
RgC_fpnorml2 619339
RgC_gtofp 33894859
RgC_gtomp 574
RgM_dimensions 9663824
RgM_fpnorml2 22614
RgM_gtofp 8238647
RgM_gtomp 21
RgM_minor 1036
RgM_shallowcopy 21903243
RgV_gtofp 56
RgV_is_QV 138888
RgV_is_ZV 32162520
RgV_isin 110116
RgV_isin_i 110116
RgV_isscalar 1208406
RgXQX_div 1904
RgXQX_rem 122438
RgX_coeff 2669861
RgX_copy 103142289
RgX_div 6998643
RgX_equal_var 26680249
RgX_fpnorml2 61427
RgX_gtofp 7103021
RgX_is_QX 380415
RgX_is_ZX 22149972
RgX_is_monomial 1331238
RgX_is_rational 68031
RgX_isscalar 0
RgX_renormalize 349807
RgX_shift_inplace 479176
RgX_shift_inplace_init 479176
RgX_to_RgV 140
Rg_col_ei 1424113
Rg_to_Fq 756
ZC_hnfrem 10667660
ZM_ZV_mod 594541
ZM_hnfrem 363395
ZM_lll 7096074
ZV_ZV_mod 8120924
ZV_dvd 23485
ZV_isscalar 23045825
ZV_to_zv 3211100
ZXQ_mul 2148081
ZXQ_sqr 957026
ZX_equal1 12893
ZX_is_monic 7177064
ZX_renormalize 153959246
Z_ispower 98
Z_issquare 458910
abgrp_get_cyc 12207044
abgrp_get_gen 1760711
abgrp_get_no 353428
absfrac 45096585
absfrac_shallow 18465
addmuliu 535782
addmuliu_inplace 58176091
affc_fixlg 249622
affgr 898838
bid_get_MOD 2151279
bid_get_U 3672373
bid_get_arch 41179
bid_get_archp 2390033
bid_get_cyc 5726769
bid_get_fact 2490764
bid_get_fact2 2195572
bid_get_gen 64211
bid_get_gen_nocheck 0
bid_get_grp 5791557
bid_get_ideal 72842
bid_get_mod 1520037
bid_get_no 0
bid_get_sarch 48594
bid_get_sprk 2152007
bin_copy 494628974
bit_accuracy 3146491030
bit_accuracy_mul 3175433
bit_prec 141773060
bnf_get_clgp 5364491
bnf_get_cyc 3679892
bnf_get_fu 25859
bnf_get_fu_nocheck 287885
bnf_get_gen 1676062
bnf_get_logfu 2870288
bnf_get_nf 9846357
bnf_get_no 8372
bnf_get_reg 648
bnf_get_sunits 1365584
bnf_get_tuN 281809
bnf_get_tuU 302388
bnr_get_bid 2040782
bnr_get_bnf 3742776
bnr_get_clgp 2824033
bnr_get_cyc 2518141
bnr_get_gen 7847
bnr_get_gen_nocheck 70
bnr_get_mod 76909
bnr_get_nf 1366732
bnr_get_no 275736
both_odd 123834509
cbrtr 0
cbrtr_abs 0
cgetalloc 10166
cgetc 975458
cgiv 101812384
checkell_i 5593317
closure_arity 370935686
closure_codestr 321178385
closure_get_code 0
closure_get_data 321132387
closure_get_dbg 13893
closure_get_frame 14056971
closure_get_oper 321156232
closure_get_text 37448
closure_is_variadic 44662336
col_ei 5889422
coltrunc_init 740250
const_col 9717600
const_vec 34305793
const_vecsmall 19600104
constant_coeff 1440857
cxcompotor 18063939
cxnorm 90396925
cxtofp 9006102
cxtoreal 337206
cyc_get_expo 2753044
cyclic_perm 99911
dbllog2r 92481670
degpol 5482630881
div_content 57318
divsBIL 8054492870
ellQp_get_p 1134
ellQp_get_prec 308
ellQp_get_zero 1463
ellR_get_prec 232750
ellR_get_sign 371535
ell_get_a1 8997076
ell_get_a2 7106182
ell_get_a3 8814044
ell_get_a4 8536723
ell_get_a6 10370961
ell_get_b2 7371024
ell_get_b4 2550216
ell_get_b6 3863115
ell_get_b8 3297414
ell_get_c4 11018100
ell_get_c6 13474529
ell_get_disc 16815362
ell_get_j 2126227
ell_get_type 12499358
ell_is_inf 52512942
ellff_get_a4a6 800021
ellff_get_field 2036850
ellinf 1869533
ellnf_get_bnf 126
ellnf_get_nf 2027648
equali1 1172673740
equalim1 139500289
err_get_compo 294
err_get_num 62745
gaddgs 123248288
gal_get_den 27748
gal_get_e 91
gal_get_gen 15400
gal_get_group 80290
gal_get_invvdm 27755
gal_get_mod 23723
gal_get_orders 6657
gal_get_p 5992
gal_get_pol 36169
gal_get_roots 32599
gc_GEN 254510939
gc_INT 4025118433
gc_INT_affii 8468653
gc_all 109542933
gc_leaf 1128850948
gc_slice 2179059
gc_upto 1937186727
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 243911
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 761917
gdivsg 531592
gen_I 1268897
gener_Fq_local 29925
gequalgs 29176
get_F2x_degree 1928269
get_F2x_mod 2496814
get_F2x_var 2533288
get_F2xqX_degree 200851
get_F2xqX_mod 343
get_F2xqX_var 375375
get_Flx_degree 81966878
get_Flx_mod 25507647
get_Flx_var 68071466
get_FlxqX_degree 314995
get_FlxqX_mod 7781
get_FlxqX_var 261941
get_FpXQX_degree 3589
get_FpXQX_mod 146583
get_FpXQX_var 51630
get_FpX_degree 6333479
get_FpX_mod 3314594
get_FpX_var 6779377
gisdouble 2958859
gmax_shallow 13509217
gmaxsg 0
gmin_shallow 876947
gminsg 0
gmulgs 22297236
gmulgu 282059385
gsubgs 1724684
gtodouble 60390747
gtofp 251547225
gtomp 22428
gtos 85868470
gtou 98295
guncloneNULL 48145213
guncloneNULL_deep 1420382
gval 6230
hash_str 2756836
hash_str_len 31498281
icopy_avma 7968809497
idealchineseinit 5117
idealred 138071
identity_ZV 8113
identity_perm 3200940
identity_zv 3225290
inf_get_sign 1449638
inv_content 0
is_bigint 560663171
is_const_t 4865862727
is_extscalar_t 6876
is_intreal_t 9570805
is_matvec_t 658159297
is_noncalc_t 85824368
is_pm1 2158386773
is_qfb_t 0
is_rational_t 4868257
is_real_t 62063173
is_recursive_t 9143941587
is_scalar_t 375222301
is_universal_constant 325918907
is_vec_t 43930320
isint1 17479131
isintm1 5695719
isintzero 2819481490
ismpzero 9570692
isonstack 8159875565
killblock 1917804
leading_coeff 170160941
leafcopy_avma 572279793
lg_increase 316807802
lgcols 346787163
lgpol 2672731424
lincombii 37469429
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 751876
matpascal 3983
matslice 16452574
mkcol 10612202
mkcol2 156175996
mkcol2s 4416244
mkcol3 88314
mkcol3s 315
mkcol4 103467
mkcol4s 0
mkcol5 94
mkcol6 232589
mkcolcopy 33753
mkcols 40411
mkcomplex 90965997
mkerr 0
mkfrac 40700862
mkfraccopy 4876568
mkfracss 1209563
mkintmod 8078293
mkintmodu 1813
mkmat 4700235
mkmat2 33829743
mkmat22 49840081
mkmat22s 207578
mkmat3 17001
mkmat4 84
mkmat5 0
mkmatcopy 122027
mkmoo 107382
mkoo 1329994
mkpadic 2009
mkpolmod 2983908
mkqfb 27902398
mkquad 69118
mkrfrac 698376
mkrfraccopy 14
mkvec 70817765
mkvec2 185125930
mkvec2copy 104589
mkvec2s 219495
mkvec3 117301709
mkvec3s 524441
mkvec4 10081694
mkvec4s 21
mkvec5 15161711
mkveccopy 122521
mkvecs 168
mkvecsmall 130976907
mkvecsmall2 233193634
mkvecsmall3 103903555
mkvecsmall4 17830853
mkvecsmall5 1730888
modpr_get_T 13729879
modpr_get_p 1883642
modpr_get_pr 30840190
mul_content 2627967
mul_denom 10486507
mulsubii 3779258
nbits2extraprec 1454861775
nbits2ndec 228
nbits2nlong 12605456
nbits2prec 185506495
nbrows 155948960
nchar2nlong 127024739
ndec2nbits 8270
ndec2nlong 41521
ndec2prec 33251
nfV_to_scalar_or_alg 26300
nf_get_G 299614
nf_get_M 21137269
nf_get_Tr 22082
nf_get_degree 68427590
nf_get_diff 4403
nf_get_disc 461424
nf_get_index 3695360
nf_get_invzk 9626809
nf_get_pol 94319023
nf_get_r1 22853499
nf_get_r2 4154
nf_get_ramified_primes 64365
nf_get_roots 1604233
nf_get_roundG 1740281
nf_get_sign 518566
nf_get_varn 1500337
nf_get_zk 4620
nf_get_zkden 5439128
nf_get_zkprimpart 5393031
normalize_frac 16949237
odd 2084238137
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 2841
pari_err_FILE 0
pari_err_FILEDESC 36
pari_err_FLAG 98
pari_err_IMPL 539
pari_err_INV 20108
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 507991165
pari_malloc 743726048
pari_realloc 1890
pari_realloc_ip 2227645
pari_stack_alloc 1018458408
pari_stack_base 1023954603
pari_stack_delete 5526573
pari_stack_init 5971500
pari_stack_new 923896298
pari_stack_pushp 5851
perm_conj 418299
perm_inv 2765837
perm_mul 78706424
perm_sqr 728
pol0_F2x 13233023
pol0_Flx 103037449
pol1_F2x 3953407
pol1_Flx 54868630
pol_0 82850762
pol_1 3735494
pol_x 3847049
pol_xn 2250343
pol_xnall 294
polx_F2x 1077344
polx_Flx 37741367
polx_zx 0
polxn_Flx 371
powIs 1561
powii 43170545
pr_get_e 15921754
pr_get_f 25944004
pr_get_gen 12001187
pr_get_p 91144277
pr_get_tau 48729086
pr_is_inert 16871107
pr_norm 1079664
prec2lg 4440746939
prec2nbits 103831963
prec2nbits_mul 581166
prec2ndec 9778
precdbl 473413
qfb_disc 18514130
qfb_disc3 4982128
qfb_is_qfi 62959610
quad_disc 1085
quadnorm 69881
random_Fq 0
remsBIL 7963960057
rnf_get_absdegree 1642880
rnf_get_alpha 1198
rnf_get_degree 3001331
rnf_get_disc 287
rnf_get_idealdisc 1310
rnf_get_index 105
rnf_get_invzk 1225
rnf_get_k 1016
rnf_get_map 130806
rnf_get_nf 765812
rnf_get_nfdegree 19482
rnf_get_nfpol 240597
rnf_get_nfvarn 4712
rnf_get_nfzk 6960
rnf_get_pol 3318055
rnf_get_polabs 310741
rnf_get_ramified_primes 2689
rnf_get_varn 574
rnf_get_zk 4670
row 761140
row_i 987
rowcopy 204988
rowpermute 14574701
rowslice 77834820
rowslicepermute 182360
rowsplice 266
ser_isexactzero 10120284
shallowcopy 27955628
sqrfrac 4145361
sqrti 6629759
sqrtnr 2799689
sqrtr 80024033
sstoQ 1097215
sturm 385
submulii 32578749
submuliu 7742
submuliu_inplace 58654826
truecoef 0
trunc_safe 0
ulogint 1718728
upr_norm 346135
uutoQ 1600149
vec_append 3463049
vec_ei 1711816
vec_lengthen 18918
vec_prepend 312904
vec_setconst 0
vec_shorten 11179
vec_to_vecsmall 4035102
veclast 9347386
vecmodii 0
vecmoduu 49784
vecpermute 20324997
vecreverse 697235
vecreverse_inplace 2605
vecslice 615521862
vecslicepermute 2623548
vecsmall_append 4111379
vecsmall_coincidence 0
vecsmall_concat 1455744
vecsmall_copy 4268076
vecsmall_ei 584460
vecsmall_indexmax 21
vecsmall_indexmin 21
vecsmall_isin 84
vecsmall_lengthen 547
vecsmall_lexcmp 7038079
vecsmall_max 1161335
vecsmall_min 2345
vecsmall_pack 84
vecsmall_prefixcmp 108088071
vecsmall_prepend 186893
vecsmall_reverse 2968
vecsmall_shorten 74450
vecsmall_to_col 7832550
vecsmall_to_vec 511453
vecsmall_to_vec_inplace 3304
vecsmallpermute 76520121
vecsmalltrunc_append 101540138
vecsmalltrunc_init 190611530
vecsplice 384771
vectrunc_append 16148502
vectrunc_append_batch 12306
vectrunc_init 12062870
zc_to_ZC 7818368
zero_F2m 0
zero_F2m_copy 842924
zero_F2v 3634336
zero_F2x 1350
zero_Flm 2766825
zero_Flm_copy 233854
zero_Flv 59246074
zero_Flx 1407393
zero_zm 0
zero_zv 36602169
zero_zx 0
zerocol 121589699
zeromat 106933
zeromatcopy 14207493
zeropadic 855389
zeropadic_shallow 17023
zeropol 42339793
zeroser 138908
zerovec 28442000
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 2184030
zv_to_ZV 502654
zv_to_zx 104146
zx_renormalize 14049
zx_shift 0
zx_to_zv 0

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