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
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 357
pari_err_VAR 371
polxn_Flx 371
sturm 385
pari_err_OP 406
pari_err_IMPL 539
vecsmall_lengthen 547
RgC_gtomp 574
rnf_get_varn 574
gchar_get_r2 623
gchar_set_HUUi 630
gchar_set_nalg 630
gchar_set_nfree 630
gchar_set_ntors 630
bnf_get_reg 648
pari_err_DIM 718
perm_sqr 728
Rg_to_Fq 756
F2m_set 798
gchar_set_m0 945
row_i 987
RgM_minor 1036
quad_disc 1085
ellQp_get_p 1134
gchar_copy_precs 1225
gchar_set_prec 1225
rnf_get_invzk 1225
rnf_get_k 1225
locs_get_Lgenfil 1288
locs_get_famod 1288
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 1575
gchar_set_cyc 1575
gchar_get_sfu 1743
gchar_set_evalprec 1813
mkintmodu 1813
gchar_get_nm 1869
pari_realloc 1890
RgXQX_div 1904
mkpadic 2009
gchar_get_nalg 2044
gchar_set_nf 2110
gchar_set_u0 2121
vecsmall_min 2345
vecreverse_inplace 2605
rnf_get_ramified_primes 2849
pari_err_DOMAIN 2862
gchar_set_nfprec 2968
vecsmall_reverse 3066
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3983
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4144
nf_get_r2 4154
gchar_get_u0 4252
nf_get_zk 4382
nf_get_diff 4459
F2v_copy 4487
FpXQX_div 4526
rnf_get_zk 4830
rnf_get_nfvarn 4886
idealchineseinit 5427
pari_stack_pushp 5851
gal_get_p 6020
FqX_get_red 6090
gval 6230
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
ndec2nbits 8270
FqX_gcd 8288
bnf_get_no 8379
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11557
vectrunc_append_batch 12306
ZX_equal1 12893
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15370
gal_get_gen 15449
znstar_get_gen 16150
gchar_get_cyc 16177
mkmat3 17001
zeropadic_shallow 17024
gchar_get_r1 17444
Fp_muls 17780
gchar_get_prec 18795
vec_lengthen 18946
FqX_halve 19411
pari_err_INV 20018
FpXY_Fq_evaly 20587
rnf_get_nfdegree 21455
FqX_mulu 21942
nf_get_Tr 22083
gtomp 22428
FqXQ_mul 22766
RgM_fpnorml2 22795
ZV_dvd 23485
gal_get_mod 23772
FqX_neg 24956
FqX_red 25354
bnf_get_fu 25859
nfV_to_scalar_or_alg 26299
gal_get_den 27881
gal_get_invvdm 27888
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29946
gal_get_roots 32760
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33536
Qtoss 35322
gal_get_pol 36344
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37844
FqX_div 38567
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41549
znstar_get_Ui 46788
pari_calloc 47699
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58575
RgX_fpnorml2 61629
err_get_num 62523
bid_get_gen 64274
nf_get_ramified_primes 64854
RgX_is_rational 68326
FqX_sub 68607
mkquad 69118
FqX_div_by_X_x 69629
quadnorm 69881
FqX_sqr 71855
bid_get_ideal 72842
Fq_to_FpXQ 73792
vecsmall_shorten 74583
bnr_get_mod 77146
gal_get_group 80400
mkcol3 88314
gtou 98309
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108865
zeromat 109175
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114620
Q_abs_shallow 120242
mkmatcopy 122270
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138711
zeroser 138908
RgV_is_QV 140789
FqX_factor 141079
get_FpXQX_mod 146583
FlxqX_div_pre 165413
znstar_get_U 176107
rowslicepermute 185033
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200554
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220440
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235946
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249620
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277503
gchar_get_zm 281911
bnf_get_tuN 283010
bnf_get_fu_nocheck 289094
bnf_get_tuU 303588
nf_get_G 304214
vec_prepend 313998
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334026
cxtoreal 337203
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 355203
ZM_hnfrem 363895
FqX_mul 367830
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384929
RgX_is_QX 400154
perm_conj 418299
FqX_Fq_mul 427288
FqX_extgcd 445097
Z_issquare 458923
nf_get_disc 463978
precdbl 475524
RgX_shift_inplace 479399
RgX_shift_inplace_init 479399
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519566
mkvec3s 524441
gdivsg 531590
addmuliu 535782
FqX_Fp_mul 572219
prec2nbits_mul 581165
vecsmall_ei 584750
ZM_ZV_mod 596634
RgC_fpnorml2 622139
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754917
gcmpgs 761929
row 764018
rnf_get_nf 786030
ellff_get_a4a6 800025
zero_F2m_copy 845225
FpXX_renormalize 849896
zeropadic 855166
gmin_shallow 878360
affgr 898866
ZXQ_sqr 961068
cgetc 975456
Flx_lead 980577
polx_F2x 1078688
pr_norm 1090230
sstoQ 1097215
Fp_invsafe 1100568
Flx_mulu 1105479
vecsmall_max 1164550
mkfracss 1209563
RgV_isscalar 1210304
gen_I 1269848
RgX_is_monomial 1331838
mkoo 1332090
bnf_get_sunits 1367842
bnr_get_nf 1368169
rnf_get_absdegree 1392746
zero_Flx 1426716
constant_coeff 1441412
guncloneNULL_deep 1442592
Rg_col_ei 1451724
inf_get_sign 1453215
vecsmall_concat 1464442
nf_get_varn 1503783
bid_get_mod 1521922
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570535
uutoQ 1600198
nf_get_roots 1628545
bnf_get_gen 1680408
vec_ei 1714789
ulogint 1723842
gsubgs 1724793
mkvecsmall5 1731085
nf_get_roundG 1747541
abgrp_get_gen 1765120
ellinf 1869532
modpr_get_p 1888614
get_F2x_degree 1929006
killblock 1930893
Flx_div 1999175
ellnf_get_nf 2027640
ellff_get_field 2036854
bnr_get_bid 2046147
ell_get_j 2126227
bid_get_MOD 2157273
bid_get_sprk 2158006
ZXQ_mul 2162102
zv_copy 2183964
bid_get_fact2 2201592
gc_slice 2204967
pol_xn 2249942
pari_realloc_ip 2269228
bid_get_archp 2397099
bid_get_fact 2498959
get_F2x_mod 2499269
rnf_get_degree 2506307
bnr_get_cyc 2522596
get_F2x_var 2534148
ell_get_b4 2550216
Flv_copy 2555217
mul_content 2654963
RgX_coeff 2669861
vecslicepermute 2691711
hash_str 2756815
cyc_get_expo 2757845
perm_inv 2782953
sqrtnr 2809693
bnr_get_clgp 2830282
zero_Flm 2830431
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2874236
bnf_get_logfu 2874809
gisdouble 2993098
mkpolmod 3105223
Fq_red 3106392
bit_accuracy_mul 3175472
ZV_to_zv 3211421
identity_perm 3242864
F3m_coeff 3256714
identity_zv 3267213
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394573
vec_append 3465758
zero_F2v 3648399
bid_get_U 3680254
bnf_get_cyc 3686690
nf_get_index 3712378
bnr_get_bnf 3751406
pol_1 3756609
pol_x 3858464
ell_get_b6 3863115
mulsubii 3881948
pol1_F2x 3957579
vec_to_vecsmall 4036852
vecsmall_append 4111380
sqrfrac 4148251
vecsmall_copy 4404911
mkcol2s 4416244
F2x_equal 4658543
FpXQX_renormalize 4693380
mkmat 4751323
qfb_disc3 4995286
mkfraccopy 4999599
is_rational_t 5035674
bnf_get_clgp 5375640
nf_get_zkprimpart 5418532
nf_get_zkden 5464308
FpX_div 5583078
checkell_i 5593273
pari_stack_delete 5630182
isintm1 5711256
bid_get_cyc 5739801
bid_get_grp 5804653
col_ei 5927006
pari_stack_init 6087127
get_FpX_degree 6424901
Flm_copy 6435537
sqrti 6666923
get_FpX_var 6958112
RgX_div 7000740
vecsmall_lexcmp 7043246
ell_get_a2 7106182
ZM_lll 7117784
RgX_gtofp 7147770
znstar_get_faN 7331711
ell_get_b2 7371027
ZX_is_monic 7376161
zc_to_ZC 7824751
vecsmall_to_col 7838934
znstar_get_conreycyc 7979693
F2m_coeff 8039415
Q_abs 8064351
mkintmod 8092638
ZV_ZV_mod 8131591
RgM_gtofp 8259672
Flx_equal1 8331293
gc_INT_affii 8501183
ell_get_a4 8536723
Flm_row 8742640
ell_get_a3 8814047
ell_get_a1 8997079
cxtofp 9085792
veclast 9372752
ismpzero 9586541
is_intreal_t 9586645
const_col 9730308
RgM_dimensions 9742515
nf_get_invzk 9769461
bnf_get_nf 9865069
mkvec4 10107007
ser_isexactzero 10120284
ell_get_a6 10370961
mkcol 10641548
ZC_hnfrem 10696716
mul_denom 10713363
ell_get_c4 11017889
Fp_addmul 11359694
vectrunc_init 12066208
pr_get_gen 12069588
abgrp_get_cyc 12231338
F2x_clear 12357388
F2v_clear 12357404
ell_get_type 12499218
nbits2nlong 12678326
pol0_F2x 13243871
ell_get_c6 13474293
gmax_shallow 13510228
modpr_get_T 13868030
closure_get_frame 14173940
zeromatcopy 14251745
rowpermute 14711036
Fp_div 15035527
Fp_divu 15129981
mkvec5 15187103
pr_get_e 16105477
vectrunc_append 16160807
ell_get_disc 16815040
matslice 16823500
pr_is_inert 17150565
normalize_frac 17206524
isint1 17587214
mkvecsmall4 17831198
Fp_center_i 18047576
cxcompotor 18223313
qfb_disc 18514419
const_vecsmall 19711957
vecpermute 20548002
nf_get_M 21308539
Flx_div_pre 21712987
RgM_shallowcopy 22179487
Fp_double 22269924
RgX_is_ZX 22426164
gmulgs 22606051
nf_get_r1 23029164
ZV_isscalar 23235980
Fp_inv 23444471
get_Flx_mod 25609132
pr_get_f 26350402
RgX_equal_var 26883213
shallowcopy 27643620
mkqfb 27928703
zerovec 28455896
modpr_get_pr 31239041
Fp_neg 31479914
hash_str_len 31551613
RgV_is_ZV 32167320
submulii 32848628
mkmat2 33663786
RgC_gtofp 34042385
const_vec 34488908
zero_zv 36746128
polx_Flx 37835266
lincombii 38214810
znstar_get_N 38655073
mkfrac 41644208
zeropol 42358718
powii 43178844
is_vec_t 43970881
closure_is_variadic 44827295
absfrac 46644803
guncloneNULL 48228412
pr_get_tau 49577558
mkmat22 50284842
ell_is_inf 52438341
QV_isscalar 54418181
pol1_Flx 55092321
zero_Flv 59570768
addmuliu_inplace 59705680
submuliu_inplace 60202545
F2x_copy 60425405
gtodouble 60799722
is_real_t 62063904
qfb_is_qfi 62941367
Fp_sqr 64430403
get_Flx_var 68416779
Fp_mulu 69719363
mkvec 71161052
nf_get_degree 71370922
Fp_center 77244072
vecsmallpermute 78738918
rowslice 79355119
sqrtr 80385682
perm_mul 80934568
Fp_red 82088122
pol_0 83002300
get_Flx_degree 83305724
gtos 85854577
is_noncalc_t 85878298
cxnorm 91221409
mkcomplex 91643438
pr_get_p 92491649
dbllog2r 92834119
nf_get_pol 98084984
F2v_set 101405492
vecsmalltrunc_append 101475315
cgiv 102283171
RgX_copy 103409378
pol0_Flx 103520299
prec2nbits 103968797
mkvecsmall3 104048659
vecsmall_prefixcmp 108088071
gc_all 110027736
F2x_renormalize 115162461
mkvec3 120806237
zerocol 122359981
gaddgs 123248587
both_odd 123829243
F2x_set 124718729
nchar2nlong 127436988
mkvecsmall 131696657
equalim1 139506084
bit_prec 142845326
FpX_renormalize 144586963
ZX_renormalize 155041947
mkcol2 156895242
nbrows 157536562
leading_coeff 170557097
Flx_copy 173808097
Fp_add 181463795
mkvec2 185614332
nbits2prec 186160866
vecsmalltrunc_init 191094051
Fp_mul 201036843
Fp_sub 203461012
mkvecsmall2 233652805
gtofp 254390009
gc_GEN 256251469
gmulgu 282059384
lg_increase 319259536
closure_get_data 321592827
closure_get_oper 321617653
closure_codestr 321635211
is_universal_constant 325862821
lgcols 350852771
closure_arity 371511062
is_scalar_t 375678965
bin_copy 497444121
pari_free 510854520
is_bigint 563000895
leafcopy_avma 577579835
vecslice 656335345
is_matvec_t 659588894
F2v_coeff 661335520
F2x_coeff 667898054
pari_malloc 746745453
pari_stack_new 925080712
GENbinbase 964572518
pari_stack_alloc 1019780267
pari_stack_base 1025387737
gc_leaf 1136450675
equali1 1175740729
nbits2extraprec 1456957324
gc_upto 1951257649
odd 2085346839
is_pm1 2204476300
lgpol 2686713031
isintzero 2843498519
bit_accuracy 3163595430
gc_INT 4110927121
prec2lg 4468411241
is_const_t 4894779340
degpol 5512229817
remsBIL 8006947536
icopy_avma 8042396601
divsBIL 8096917774
isonstack 8269638356
is_recursive_t 9240373127

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