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
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 11556
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 29945
gal_get_roots 32760
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33279
mkcolcopy 33535
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 37877
FqX_div 38566
FqX_deriv 40061
mkcols 40411
bid_get_arch 41187
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 61628
err_get_num 62522
bid_get_gen 64274
nf_get_ramified_primes 64855
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 74584
bnr_get_mod 77147
gal_get_group 80402
mkcol3 88314
gtou 98313
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108866
zeromat 109140
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114618
Q_abs_shallow 120255
mkmatcopy 122258
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138708
zeroser 138908
RgV_is_QV 140790
FqX_factor 141079
get_FpXQX_mod 146583
FlxqX_div_pre 165408
znstar_get_U 176107
rowslicepermute 184662
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200557
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220441
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235939
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249623
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277500
gchar_get_zm 281911
bnf_get_tuN 283002
bnf_get_fu_nocheck 289082
bnf_get_tuU 303575
nf_get_G 304178
vec_prepend 314002
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 334027
cxtoreal 337207
upr_norm 346133
RgX_renormalize 349807
abgrp_get_no 355200
ZM_hnfrem 363877
FqX_mul 367830
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384936
RgX_is_QX 400154
perm_conj 418299
FqX_Fq_mul 427300
FqX_extgcd 445099
Z_issquare 458926
nf_get_disc 463986
precdbl 475510
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519567
mkvec3s 524441
gdivsg 531592
addmuliu 535908
FqX_Fp_mul 572213
prec2nbits_mul 581166
vecsmall_ei 584700
ZM_ZV_mod 596662
RgC_fpnorml2 622147
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754907
gcmpgs 761911
row 764020
rnf_get_nf 786030
ellff_get_a4a6 800041
zero_F2m_copy 845240
FpXX_renormalize 849896
zeropadic 855575
gmin_shallow 878360
affgr 898866
ZXQ_sqr 961148
cgetc 975460
Flx_lead 979547
polx_F2x 1079311
pr_norm 1090162
sstoQ 1097215
Fp_invsafe 1100564
Flx_mulu 1105472
vecsmall_max 1164713
mkfracss 1209563
RgV_isscalar 1210306
gen_I 1269839
RgX_is_monomial 1331756
mkoo 1331998
bnf_get_sunits 1367847
bnr_get_nf 1368182
rnf_get_absdegree 1392746
zero_Flx 1426832
constant_coeff 1441396
guncloneNULL_deep 1446673
Rg_col_ei 1451683
inf_get_sign 1453123
vecsmall_concat 1464425
nf_get_varn 1503783
bid_get_mod 1521921
F2m_flip 1554381
F2v_flip 1554381
F2x_flip 1554381
F2x_div 1571716
uutoQ 1600198
nf_get_roots 1628519
bnf_get_gen 1680411
ulogint 1713459
vec_ei 1714763
gsubgs 1724813
mkvecsmall5 1731092
nf_get_roundG 1747494
abgrp_get_gen 1765125
ellinf 1869404
modpr_get_p 1888614
get_F2x_degree 1929215
killblock 1932107
Flx_div 1999199
ellnf_get_nf 2027656
ellff_get_field 2036898
bnr_get_bid 2046138
ell_get_j 2126227
bid_get_MOD 2157271
bid_get_sprk 2158001
ZXQ_mul 2162210
zv_copy 2184073
bid_get_fact2 2201596
gc_slice 2204869
pol_xn 2249964
pari_realloc_ip 2269337
bid_get_archp 2397109
bid_get_fact 2498967
get_F2x_mod 2499221
rnf_get_degree 2506307
bnr_get_cyc 2522601
get_F2x_var 2534408
ell_get_b4 2550216
Flv_copy 2555329
mul_content 2654980
RgX_coeff 2669861
vecslicepermute 2690298
hash_str 2756815
cyc_get_expo 2757846
perm_inv 2782893
sqrtnr 2809594
bnr_get_clgp 2830285
zero_Flm 2830289
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2873990
bnf_get_logfu 2874824
gisdouble 2992586
mkpolmod 3105222
Fq_red 3106347
bit_accuracy_mul 3175472
ZV_to_zv 3211421
identity_perm 3242649
F3m_coeff 3256655
identity_zv 3266999
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394601
vec_append 3465723
zero_F2v 3648477
bid_get_U 3680252
bnf_get_cyc 3686693
nf_get_index 3712395
bnr_get_bnf 3751399
pol_1 3756666
pol_x 3858328
ell_get_b6 3863115
mulsubii 3881866
pol1_F2x 3959383
vec_to_vecsmall 4036865
vecsmall_append 4111368
sqrfrac 4148112
vecsmall_copy 4404967
mkcol2s 4416244
F2x_equal 4663836
FpXQX_renormalize 4693234
mkmat 4751333
qfb_disc3 4995404
mkfraccopy 4999392
is_rational_t 5035628
bnf_get_clgp 5375658
nf_get_zkprimpart 5418336
nf_get_zkden 5464172
FpX_div 5583087
checkell_i 5593338
pari_stack_delete 5639247
isintm1 5711173
bid_get_cyc 5739811
bid_get_grp 5804667
col_ei 5926740
pari_stack_init 6087192
get_FpX_degree 6424982
Flm_copy 6435494
sqrti 6666878
get_FpX_var 6957975
RgX_div 7000740
vecsmall_lexcmp 7043238
ell_get_a2 7106196
ZM_lll 7117718
RgX_gtofp 7147788
znstar_get_faN 7331711
ell_get_b2 7371029
ZX_is_monic 7376194
zc_to_ZC 7824114
vecsmall_to_col 7838296
znstar_get_conreycyc 7979693
F2m_coeff 8039853
Q_abs 8064368
mkintmod 8092652
ZV_ZV_mod 8131613
RgM_gtofp 8259592
Flx_equal1 8331191
gc_INT_affii 8497362
ell_get_a4 8536737
Flm_row 8742930
ell_get_a3 8814063
ell_get_a1 8997095
cxtofp 9085045
veclast 9372763
ismpzero 9586267
is_intreal_t 9586373
const_col 9730251
RgM_dimensions 9742537
nf_get_invzk 9769519
bnf_get_nf 9865069
mkvec4 10107097
ser_isexactzero 10120284
ell_get_a6 10370975
mkcol 10641659
ZC_hnfrem 10696701
mul_denom 10713237
ell_get_c4 11018227
Fp_addmul 11393945
vectrunc_init 12067541
pr_get_gen 12069674
abgrp_get_cyc 12231359
F2x_clear 12357703
F2v_clear 12357724
ell_get_type 12499401
nbits2nlong 12683957
pol0_F2x 13256631
ell_get_c6 13474561
gmax_shallow 13510228
modpr_get_T 13868014
closure_get_frame 14173531
zeromatcopy 14251464
rowpermute 14710135
Fp_div 15035168
Fp_divu 15129740
mkvec5 15187071
pr_get_e 16105255
vectrunc_append 16162628
ell_get_disc 16815474
matslice 16823045
pr_is_inert 17150445
normalize_frac 17206223
isint1 17587134
mkvecsmall4 17825769
Fp_center_i 18048145
cxcompotor 18221767
qfb_disc 18514448
const_vecsmall 19711439
vecpermute 20544061
nf_get_M 21308668
Flx_div_pre 21712731
RgM_shallowcopy 22179253
Fp_double 22346123
RgX_is_ZX 22426114
gmulgs 22571218
nf_get_r1 23029193
ZV_isscalar 23236081
Fp_inv 23444333
get_Flx_mod 25608683
pr_get_f 26350144
RgX_equal_var 26883219
shallowcopy 27642535
mkqfb 27928922
zerovec 28455810
modpr_get_pr 31238998
Fp_neg 31485821
hash_str_len 31551485
RgV_is_ZV 32167327
submulii 32848628
mkmat2 33663454
RgC_gtofp 34040344
const_vec 34488372
zero_zv 36748329
polx_Flx 37837481
lincombii 38209377
znstar_get_N 38655073
mkfrac 41642963
zeropol 42358730
powii 43178809
is_vec_t 43958312
closure_is_variadic 44826576
absfrac 46644754
guncloneNULL 48231678
pr_get_tau 49576952
mkmat22 50284740
ell_is_inf 52464059
QV_isscalar 54417989
pol1_Flx 55092630
zero_Flv 59575899
addmuliu_inplace 59697194
submuliu_inplace 60190313
F2x_copy 60442889
gtodouble 60798097
is_real_t 62063894
qfb_is_qfi 62941229
Fp_sqr 64595361
Fp_mulu 67740796
get_Flx_var 68415115
mkvec 71180203
nf_get_degree 71370464
Fp_center 77229237
vecsmallpermute 78733668
rowslice 79345115
sqrtr 80380401
perm_mul 80929314
Fp_red 82089852
get_Flx_degree 82285418
pol_0 83002298
gtos 85854580
is_noncalc_t 85878071
cxnorm 91219535
mkcomplex 91631176
pr_get_p 92490782
dbllog2r 92831221
nf_get_pol 98084813
F2v_set 101405994
vecsmalltrunc_append 101499428
cgiv 102279005
RgX_copy 103409267
pol0_Flx 103548527
prec2nbits 103966032
mkvecsmall3 104048890
vecsmall_prefixcmp 108088071
gc_all 110026663
F2x_renormalize 115210767
mkvec3 117746492
zerocol 122352911
gaddgs 123248648
both_odd 123840047
F2x_set 124787939
nchar2nlong 127432163
mkvecsmall 131723995
equalim1 139505734
bit_prec 142834664
FpX_renormalize 144588345
ZX_renormalize 155031136
mkcol2 156896473
nbrows 157529728
leading_coeff 170557920
Flx_copy 173813781
Fp_add 181568038
mkvec2 184623591
nbits2prec 186150779
vecsmalltrunc_init 189162899
Fp_mul 201092669
Fp_sub 203608087
mkvecsmall2 233663789
gtofp 254352306
gc_GEN 256236297
gmulgu 282059384
lg_increase 315352912
closure_get_data 321483880
closure_get_oper 321505834
closure_codestr 321522894
is_universal_constant 325803697
lgcols 350843354
closure_arity 371403889
is_scalar_t 375677844
bin_copy 497434948
pari_free 510849580
is_bigint 562975453
leafcopy_avma 576975356
vecslice 656205591
is_matvec_t 659484424
F2v_coeff 661337990
F2x_coeff 668013198
pari_malloc 746735320
pari_stack_new 924947899
GENbinbase 964553774
pari_stack_alloc 1019643948
pari_stack_base 1025269957
gc_leaf 1132590642
equali1 1175733040
nbits2extraprec 1456917859
gc_upto 1951208988
odd 2084316302
is_pm1 2203641664
lgpol 2681157846
isintzero 2843016006
bit_accuracy 3163898206
gc_INT 4110982078
prec2lg 4468113602
is_const_t 4894099803
degpol 5499721889
remsBIL 8006855094
icopy_avma 8042538071
divsBIL 8096758160
isonstack 8265604771
is_recursive_t 9240388183

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