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 30393-1f60c30f77) Lines: 1421 1532 92.8 %
Date: 2025-07-15 09:22:36 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
F2xX_shift 0
F3m_copy 0
F3m_set 0
FlxqX_div 0
Flxq_add 0
Flxq_sub 0
FpV_FpC_mul 0
FpXQ_add 0
FpXQ_sub 0
FqXQ_add 0
FqXQ_div 0
FqXQ_inv 0
FqXQ_invsafe 0
FqXQ_pow 0
FqXQ_sqr 0
FqXQ_sub 0
FqX_divrem 0
FqX_halfgcd 0
FqX_integ 0
FqXn_exp 0
FqXn_sqr 0
R_abs 0
RgX_isscalar 0
bid_get_gen_nocheck 0
bid_get_no 0
cbrtr 0
cbrtr_abs 0
closure_get_code 0
gchar_get_U 0
gchar_get_hnf 0
gmaxsg 0
gminsg 0
inv_content 0
is_qfb_t 0
mkcol4s 0
mkerr 0
mkmat5 0
pari_err_FILE 0
pari_err_MAXPRIME 0
pari_err_PACKAGE 0
polx_zx 0
random_Fq 0
truecoef 0
trunc_safe 0
vec_setconst 0
vecmodii 0
vecsmall_coincidence 0
zero_F2m 0
zero_zm 0
zero_zx 0
zm_copy 0
zm_row 0
zm_to_zxV 0
zx_shift 0
zx_to_zv 0
FqX_ddf 7
FqX_factor_squarefree 7
mkrfraccopy 14
pari_err_BUG 14
znstar_get_no 14
RgM_gtomp 21
mkvec4s 21
pari_err_CONSTPOL 21
vecsmall_indexmax 21
vecsmall_indexmin 21
pari_err_FILEDESC 36
F2v_ei 42
RgV_gtofp 56
pari_err_IRREDPOL 63
pari_err_ROOTS0 63
bnr_get_gen_nocheck 70
mkmat4 84
pari_err_COPRIME 84
vecsmall_isin 84
vecsmall_pack 84
gal_get_e 91
mkcol5 94
Z_ispower 98
pari_err_FLAG 98
pari_err_PRIME 98
rnf_get_index 105
ellnf_get_bnf 126
RgX_to_RgV 140
pari_err_OVERFLOW 156
mkvecs 168
FqX_to_mod 175
pari_err_COMPONENT 214
nbits2ndec 228
pari_err_PREC 238
pari_err_PRIORITY 238
zm_transpose 266
rowsplice 273
err_get_compo 294
pol_xnall 294
ellQp_get_prec 308
mkcol3s 315
gchar_get_nfree 322
gchar_get_ntors 322
get_F2xqX_mod 343
rnf_get_disc 350
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
vecsmall_lengthen 526
pari_err_IMPL 539
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 623
gchar_set_nalg 623
gchar_set_nfree 623
gchar_set_ntors 623
bnf_get_reg 641
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 950
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1202
gchar_set_prec 1202
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1260
locs_get_famod 1260
FqX_powu 1295
pari_err_MODULUS 1316
zero_F2x 1350
rnf_get_idealdisc 1386
rnf_get_alpha 1428
ellQp_get_zero 1463
powIs 1561
gchar_set_basis 1573
gchar_set_cyc 1573
gchar_get_sfu 1748
gchar_set_evalprec 1785
mkintmodu 1813
gchar_get_nm 1841
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2042
gchar_set_nf 2077
gchar_set_u0 2093
vecsmall_min 2324
vecreverse_inplace 2570
pari_err_DOMAIN 2820
rnf_get_ramified_primes 2849
gchar_set_nfprec 2950
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3321
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4140
gchar_get_u0 4267
nf_get_zk 4382
nf_get_diff 4438
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
gval 5824
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
FqXn_expint 6590
gal_get_orders 6678
is_extscalar_t 6876
pari_err_SQRTN 7084
FqXn_inv 7126
rnf_get_nfzk 7245
FqX_roots 7273
submuliu 7742
bnr_get_gen 7847
get_FlxqX_mod 8033
identity_ZV 8113
gchar_get_mod 8225
locs_get_mod 8225
FqX_gcd 8246
ndec2nbits 8270
bnf_get_no 8358
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10969
vec_shorten 11549
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13419
closure_get_dbg 13586
zx_renormalize 14049
pari_err_TYPE 15398
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16168
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17416
Fp_muls 17780
gchar_get_prec 18732
vec_lengthen 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22082
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22780
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25852
nfV_to_scalar_or_alg 26293
absfrac_shallow 27845
gal_get_den 27873
gal_get_invvdm 27879
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29931
gchar_get_basis 32639
gal_get_roots 32751
F2xqX_div 33173
ndec2prec 33251
mkcolcopy 33504
Qtoss 35322
gal_get_pol 36335
gchar_get_S 36865
gchar_get_ns 36865
closure_get_text 36981
gchar_get_nc 37131
F2v_to_F2x 37553
FqX_rem 37743
FqX_div 38548
FqX_deriv 40061
mkcols 40411
bid_get_arch 41187
ndec2nlong 41521
znstar_get_Ui 46788
pari_calloc 47580
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50347
get_FpXQX_var 51630
locs_get_cyc 51955
div_content 58480
RgX_fpnorml2 61607
err_get_num 62459
bid_get_gen 64274
nf_get_ramified_primes 64813
RgX_is_rational 68304
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72821
Fq_to_FpXQ 73792
vecsmall_shorten 74578
bnr_get_mod 77119
gal_get_group 80393
mkcol3 88314
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
gtou 104253
mkmoo 108810
zeromat 109090
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114565
Q_abs_shallow 120245
mkmatcopy 122235
mkveccopy 122507
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138474
zeroser 138810
RgV_is_QV 140755
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165411
znstar_get_U 176051
rowslicepermute 184789
vecsmall_prepend 186991
gchar_get_DLdata 188468
locs_get_Lsprk 191695
F2m_copy 200475
get_F2xqX_degree 200851
gchar_get_bnf 203105
rowcopy 204988
locs_get_m_infty 207235
mkmat22s 207508
mkvec2s 220406
mkcol6 232484
ellR_get_prec 232582
zero_Flm_copy 235890
gchar_get_nf 241501
Fp_halve 247348
affc_fixlg 249596
rnf_get_nfpol 255354
znstar_get_cyc 261990
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277492
gchar_get_zm 279434
bnf_get_tuN 282977
bnf_get_fu_nocheck 289061
nf_get_G 303081
bnf_get_tuU 303545
vec_prepend 314103
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 330249
upr_norm 343931
RgX_renormalize 349807
abgrp_get_no 355168
ZM_hnfrem 363837
FqX_mul 367802
ellR_get_sign 371325
get_F2xqX_var 375375
vecsplice 384899
coltrunc_init 393680
cxtoreal 394436
RgX_is_QX 400114
perm_conj 418299
FqX_Fq_mul 427289
FqX_extgcd 444992
Z_issquare 458924
nf_get_disc 463831
precdbl 475365
RgX_shift_inplace 479267
RgX_shift_inplace_init 479267
zv_to_ZV 502975
vecsmall_to_vec 511536
nf_get_sign 517281
mkvec3s 524441
gdivsg 529205
addmuliu 541119
FqX_Fp_mul 572074
prec2nbits_mul 581137
vecsmall_ei 584718
ZM_ZV_mod 596567
RgC_fpnorml2 622073
FqX_is_squarefree 683802
vecreverse 697060
mkrfrac 698152
logint 752787
row 763989
rnf_get_nf 786030
gcmpgs 790673
ellff_get_a4a6 800032
zero_F2m_copy 845053
FpXX_renormalize 849896
zeropadic 855824
gmin_shallow 876306
affgr 898817
ZXQ_sqr 961039
cgetc 973493
Flx_lead 980191
polx_F2x 1072798
pr_norm 1086494
sstoQ 1097131
Fp_invsafe 1100356
Flx_mulu 1105177
vecsmall_max 1164511
RgV_isscalar 1208179
mkfracss 1209444
gen_I 1269500
ell_get_j 1295726
RgX_is_monomial 1331249
mkoo 1331971
bnf_get_sunits 1365641
bnr_get_nf 1368115
guncloneNULL_deep 1392320
rnf_get_absdegree 1392746
zero_Flx 1426850
constant_coeff 1441248
Rg_col_ei 1451251
inf_get_sign 1453040
vecsmall_concat 1464391
nf_get_varn 1503577
bid_get_mod 1521922
F2m_flip 1553213
F2v_flip 1553213
F2x_flip 1553213
F2x_div 1555255
nf_get_roots 1621289
bnf_get_gen 1678178
vec_ei 1714579
ulogint 1720293
gsubgs 1727410
mkvecsmall5 1730570
nf_get_roundG 1743957
abgrp_get_gen 1762890
ellinf 1868529
modpr_get_p 1888432
killblock 1902440
get_F2x_degree 1929001
Flx_div 1998975
ellnf_get_nf 2027602
ellff_get_field 2036871
bnr_get_bid 2045871
ell_get_b4 2135641
bid_get_MOD 2157248
bid_get_sprk 2157971
ZXQ_mul 2162049
pari_realloc_ip 2179048
zv_copy 2184171
bid_get_fact2 2201571
gc_slice 2204713
pol_xn 2249921
bid_get_archp 2397101
bid_get_fact 2498937
get_F2x_mod 2499216
rnf_get_degree 2506307
bnr_get_cyc 2522353
get_F2x_var 2534102
Flv_copy 2555431
ell_get_b8 2608978
mul_content 2651922
RgX_coeff 2668699
vecslicepermute 2690181
hash_str 2754901
cyc_get_expo 2755553
perm_inv 2782830
sqrtnr 2800248
bnr_get_clgp 2830038
zero_Flm 2830316
rnf_get_pol 2845157
znstar_get_pe 2868776
bnf_get_logfu 2872539
F2x_equal1 2874068
gisdouble 2984640
ell_get_b6 3055105
mkpolmod 3104997
Fq_red 3106446
bit_accuracy_mul 3175270
ZV_to_zv 3206065
identity_perm 3242639
F3m_coeff 3256659
identity_zv 3266981
znstar_get_conreygen 3289875
get_FpX_mod 3394349
vec_append 3461181
zero_F2v 3647245
bid_get_U 3680227
bnf_get_cyc 3681660
nf_get_index 3707944
bnr_get_bnf 3750905
pol_1 3756128
pol_x 3824859
mulsubii 3880716
pol1_F2x 3957825
vec_to_vecsmall 4031423
vecsmall_append 4111365
sqrfrac 4144581
vecsmall_copy 4404212
mkcol2s 4415404
F2x_equal 4591786
checkell_i 4677506
FpXQX_renormalize 4693779
mkmat 4748680
mkfraccopy 4959273
qfb_disc3 4987419
is_rational_t 5034708
bnf_get_clgp 5368353
nf_get_zkprimpart 5412593
pari_stack_delete 5417005
ell_get_b2 5432771
nf_get_zkden 5458398
FpX_div 5577186
isintm1 5703254
ell_get_a2 5709708
bid_get_cyc 5739582
bid_get_grp 5804431
pari_stack_init 5843076
col_ei 5923559
get_FpX_degree 6424499
Flm_copy 6429834
ell_get_a4 6522709
sqrti 6706832
mkvec4 6767066
ell_get_a3 6912840
get_FpX_var 6942297
RgX_div 7000628
veclast 7093176
ZM_lll 7108526
ell_get_a1 7116193
RgX_gtofp 7139354
vecsmall_lexcmp 7209103
znstar_get_faN 7330493
ZX_is_monic 7375973
zc_to_ZC 7820474
vecsmall_to_col 7834654
ell_get_a6 7961482
znstar_get_conreycyc 7978755
ell_get_c4 8021709
F2m_coeff 8030455
Q_abs 8062421
mkintmod 8092564
ZV_ZV_mod 8129070
RgM_gtofp 8249210
Flx_equal1 8327139
gc_INT_affii 8483225
Flm_row 8742593
ell_get_c6 8850351
cxtofp 9044417
ismpzero 9574856
is_intreal_t 9574983
const_col 9729447
RgM_dimensions 9742073
nf_get_invzk 9758059
bnf_get_nf 9852617
ser_isexactzero 10079479
mkcol 10634496
ZC_hnfrem 10682195
mul_denom 10706205
ell_get_disc 11280308
Fp_addmul 11348564
ell_get_type 11588390
vectrunc_init 11714750
pr_get_gen 12051786
abgrp_get_cyc 12225703
F2x_clear 12353005
F2v_clear 12353006
nbits2nlong 12647156
pol0_F2x 13182577
gmax_shallow 13510218
modpr_get_T 13865386
closure_get_frame 14208887
zeromatcopy 14234680
rowpermute 14704957
mkvec5 14725251
Fp_div 15036020
Fp_divu 15135830
vectrunc_append 15284077
pr_get_e 15947407
matslice 16814491
pr_is_inert 16889459
normalize_frac 17044997
isint1 17114397
mkvecsmall4 17821659
Fp_center_i 18058635
cxcompotor 18138013
qfb_disc 18514513
hash_str_len 19321901
const_vecsmall 19488101
vecpermute 20520788
nf_get_M 21066820
Flx_div_pre 21682413
RgM_shallowcopy 22159035
Fp_double 22199690
gmulgs 22319145
RgX_is_ZX 22414320
nf_get_r1 22789432
ZV_isscalar 22996610
Fp_inv 23449029
get_Flx_mod 25585904
pr_get_f 25979244
RgX_equal_var 26880768
zerovec 26922854
shallowcopy 27634369
mkqfb 28077006
Fp_neg 30883988
modpr_get_pr 31231344
RgV_is_ZV 31704122
submulii 32847018
mkmat2 33192875
RgC_gtofp 34003400
const_vec 34522118
zero_zv 36779940
polx_Flx 37809976
lincombii 38192120
znstar_get_N 38653372
closure_is_variadic 40173526
mkfrac 41617551
zeropol 42358442
powii 43176393
is_vec_t 43494268
absfrac 46617338
guncloneNULL 48141064
pr_get_tau 48824214
mkmat22 50182407
ell_is_inf 52513833
QV_isscalar 54377749
pol1_Flx 55030707
zero_Flv 59533468
F2x_copy 59563623
addmuliu_inplace 59696717
submuliu_inplace 60185990
gtodouble 60859545
is_real_t 62657697
qfb_is_qfi 62949106
Fp_sqr 64196330
Fp_mulu 67726830
get_Flx_var 68327535
mkvec 70416811
nf_get_degree 71319176
Fp_center 77240556
vecsmallpermute 78734862
rowslice 79339905
sqrtr 80231639
perm_mul 80930333
Fp_red 82036536
get_Flx_degree 82506837
pol_0 82993403
is_noncalc_t 85757976
gtos 85832512
cxnorm 90987539
pr_get_p 91649854
mkcomplex 91719452
dbllog2r 94071104
nf_get_pol 98010818
F2v_set 101394575
vecsmalltrunc_append 101496552
cgiv 101984056
RgX_copy 103400008
pol0_Flx 103423203
mkvecsmall3 103795006
prec2nbits 105874352
vecsmall_prefixcmp 108088071
gc_all 110091651
F2x_renormalize 114244344
mkvec3 118218895
zerocol 122247769
gaddgs 123247420
both_odd 124108948
gmulgu 124184361
nchar2nlong 124505359
F2x_set 124549345
mkvecsmall 131041008
equalim1 139049720
bit_prec 142898238
FpX_renormalize 144552470
ZX_renormalize 154842210
mkcol2 156714345
nbrows 157493386
uutoQ 159002008
leading_coeff 170543656
Flx_copy 173694688
Fp_add 181470337
mkvec2 184679056
nbits2prec 186970588
vecsmalltrunc_init 189315332
Fp_mul 201000275
Fp_sub 202851926
mkvecsmall2 232624931
gtofp 254153612
gc_GEN 255265680
is_universal_constant 292253722
lg_increase 313607436
closure_get_data 320563564
closure_get_oper 320590640
closure_codestr 320617841
lgcols 350023844
closure_arity 370515931
is_scalar_t 374715388
bin_copy 496475367
pari_free 509800809
is_bigint 560937218
leafcopy_avma 572038448
pari_stack_new 624378215
vecslice 656308038
is_matvec_t 658782540
F2v_coeff 661288748
F2x_coeff 667897774
pari_stack_alloc 718576625
pari_stack_base 723996845
pari_malloc 741324004
GENbinbase 962653780
gc_leaf 1132841036
equali1 1299943043
nbits2extraprec 1498802632
gc_upto 1920315907
odd 2080809210
is_pm1 2190898893
lgpol 2680486105
isintzero 2832156647
bit_accuracy 3156803216
gc_INT 4090732234
prec2lg 4510409848
is_const_t 4916714399
degpol 5501981349
icopy_avma 7978904409
remsBIL 8064986618
divsBIL 8154883064
isonstack 8210303971
is_recursive_t 9268396076

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