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 30569-8181146aa1) Lines: 1419 1532 92.6 %
Date: 2025-12-02 09:22:09 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 22079
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 26300
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 33533
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 37846
FqX_div 38567
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 58574
RgX_fpnorml2 61628
err_get_num 62521
bid_get_gen 64274
nf_get_ramified_primes 64855
RgX_is_rational 68324
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 74586
bnr_get_mod 77146
gal_get_group 80402
mkcol3 88314
gtou 98312
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108863
zeromat 109144
RgV_isin 110144
RgV_isin_i 110144
mkvec2copy 114617
Q_abs_shallow 120253
mkmatcopy 122273
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 165415
znstar_get_U 176107
rowslicepermute 184905
vecsmall_prepend 186998
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200560
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220438
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235944
gchar_get_nf 243946
Fp_halve 247348
affc_fixlg 249616
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277505
gchar_get_zm 281911
bnf_get_tuN 283004
bnf_get_fu_nocheck 289090
bnf_get_tuU 303585
nf_get_G 304217
vec_prepend 313993
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333917
cxtoreal 337202
upr_norm 346136
RgX_renormalize 349807
abgrp_get_no 355204
ZM_hnfrem 363921
FqX_mul 367830
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384925
RgX_is_QX 400153
perm_conj 418299
FqX_Fq_mul 427299
FqX_extgcd 445098
Z_issquare 458923
nf_get_disc 463977
precdbl 475526
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503066
vecsmall_to_vec 511865
nf_get_sign 519566
mkvec3s 524441
gdivsg 531592
addmuliu 535746
FqX_Fp_mul 572230
prec2nbits_mul 581167
vecsmall_ei 584748
ZM_ZV_mod 596639
RgC_fpnorml2 622143
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698439
coltrunc_init 740250
logint 754921
gcmpgs 761922
row 764012
rnf_get_nf 786030
ellff_get_a4a6 800021
zero_F2m_copy 845240
FpXX_renormalize 849896
zeropadic 855660
gmin_shallow 878337
affgr 898866
ZXQ_sqr 961144
cgetc 975455
Flx_lead 980556
polx_F2x 1078707
pr_norm 1090238
sstoQ 1097215
Fp_invsafe 1100569
Flx_mulu 1105471
vecsmall_max 1164726
mkfracss 1209563
RgV_isscalar 1210304
gen_I 1269841
RgX_is_monomial 1331794
mkoo 1332082
bnf_get_sunits 1367840
bnr_get_nf 1368181
rnf_get_absdegree 1392746
zero_Flx 1426678
constant_coeff 1441393
guncloneNULL_deep 1448855
Rg_col_ei 1451716
inf_get_sign 1453199
vecsmall_concat 1464359
nf_get_varn 1503759
bid_get_mod 1521922
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570555
uutoQ 1600198
nf_get_roots 1628555
bnf_get_gen 1680414
vec_ei 1714760
ulogint 1720514
gsubgs 1724800
mkvecsmall5 1731104
nf_get_roundG 1747544
abgrp_get_gen 1765128
ellinf 1869499
modpr_get_p 1888613
get_F2x_degree 1928948
killblock 1933341
Flx_div 1999178
ellnf_get_nf 2027640
ellff_get_field 2036842
bnr_get_bid 2046147
ell_get_j 2126227
bid_get_MOD 2157277
bid_get_sprk 2158010
ZXQ_mul 2162194
zv_copy 2184015
bid_get_fact2 2201510
gc_slice 2204947
pol_xn 2249955
pari_realloc_ip 2268810
bid_get_archp 2397109
bid_get_fact 2498947
get_F2x_mod 2499150
rnf_get_degree 2506307
bnr_get_cyc 2522602
get_F2x_var 2534074
ell_get_b4 2550216
Flv_copy 2555276
mul_content 2655012
RgX_coeff 2669861
vecslicepermute 2691239
hash_str 2756813
cyc_get_expo 2757842
perm_inv 2782890
sqrtnr 2809716
bnr_get_clgp 2830290
zero_Flm 2830333
rnf_get_pol 2845164
znstar_get_pe 2869063
F2x_equal1 2873987
bnf_get_logfu 2874798
gisdouble 2993311
mkpolmod 3105223
Fq_red 3106289
bit_accuracy_mul 3175472
ZV_to_zv 3211420
identity_perm 3242844
F3m_coeff 3256719
identity_zv 3267193
znstar_get_conreygen 3290176
ell_get_b8 3297414
get_FpX_mod 3394566
vec_append 3465738
zero_F2v 3648435
bid_get_U 3680254
bnf_get_cyc 3686697
nf_get_index 3712377
bnr_get_bnf 3751402
pol_1 3756629
pol_x 3858449
ell_get_b6 3863115
mulsubii 3882854
pol1_F2x 3956979
vec_to_vecsmall 4036859
vecsmall_append 4111391
sqrfrac 4148213
vecsmall_copy 4404850
mkcol2s 4416244
F2x_equal 4659028
FpXQX_renormalize 4693419
mkmat 4751220
qfb_disc3 4995258
mkfraccopy 4999467
is_rational_t 5035728
bnf_get_clgp 5375661
nf_get_zkprimpart 5418447
nf_get_zkden 5464290
FpX_div 5583015
checkell_i 5593224
pari_stack_delete 5647080
isintm1 5711290
bid_get_cyc 5739804
bid_get_grp 5804653
col_ei 5926926
pari_stack_init 6086987
get_FpX_degree 6424788
Flm_copy 6435381
sqrti 6667008
get_FpX_var 6958042
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7106178
ZM_lll 7117846
RgX_gtofp 7147907
znstar_get_faN 7331711
ell_get_b2 7371027
ZX_is_monic 7376185
zc_to_ZC 7824544
vecsmall_to_col 7838724
znstar_get_conreycyc 7979693
F2m_coeff 8039502
Q_abs 8064389
mkintmod 8092591
ZV_ZV_mod 8131609
RgM_gtofp 8259755
Flx_equal1 8331113
gc_INT_affii 8500247
ell_get_a4 8536719
Flm_row 8741929
ell_get_a3 8814043
ell_get_a1 8997075
cxtofp 9086040
veclast 9372739
ismpzero 9586303
is_intreal_t 9586423
const_col 9730311
RgM_dimensions 9742367
nf_get_invzk 9769478
bnf_get_nf 9865073
mkvec4 10106984
ser_isexactzero 10120284
ell_get_a6 10370957
mkcol 10641516
ZC_hnfrem 10696767
mul_denom 10713359
ell_get_c4 11017829
Fp_addmul 11368685
vectrunc_init 12067146
pr_get_gen 12069580
abgrp_get_cyc 12231327
F2v_clear 12357486
F2x_clear 12357490
ell_get_type 12499103
nbits2nlong 12677158
pol0_F2x 13241636
ell_get_c6 13474233
gmax_shallow 13510228
modpr_get_T 13868011
closure_get_frame 14173730
zeromatcopy 14251757
rowpermute 14710507
Fp_div 15034861
Fp_divu 15129256
mkvec5 15187100
pr_get_e 16105256
vectrunc_append 16161742
ell_get_disc 16815040
matslice 16823238
pr_is_inert 17150317
normalize_frac 17206129
isint1 17587224
mkvecsmall4 17824890
Fp_center_i 18044884
cxcompotor 18223731
qfb_disc 18514498
const_vecsmall 19712016
vecpermute 20545317
nf_get_M 21308124
Flx_div_pre 21713780
RgM_shallowcopy 22179366
Fp_double 22279045
RgX_is_ZX 22426205
gmulgs 22604751
nf_get_r1 23028752
ZV_isscalar 23235522
Fp_inv 23444256
get_Flx_mod 25607706
pr_get_f 26349922
RgX_equal_var 26883210
shallowcopy 27642898
mkqfb 27928663
zerovec 28455793
modpr_get_pr 31238954
Fp_neg 31478693
hash_str_len 31551632
RgV_is_ZV 32167319
submulii 32848628
mkmat2 33664640
RgC_gtofp 34043574
const_vec 34488436
zero_zv 36744639
polx_Flx 37834539
lincombii 38211455
znstar_get_N 38655073
mkfrac 41644539
zeropol 42358735
powii 43178817
is_vec_t 43955381
closure_is_variadic 44826823
absfrac 46644856
guncloneNULL 48235150
pr_get_tau 49576940
mkmat22 50285061
ell_is_inf 52472115
QV_isscalar 54418355
pol1_Flx 55088520
zero_Flv 59568275
addmuliu_inplace 59708702
submuliu_inplace 60204800
F2x_copy 60425956
gtodouble 60801204
is_real_t 62063898
qfb_is_qfi 62948047
Fp_sqr 64424315
get_Flx_var 68413302
Fp_mulu 68895625
mkvec 71149178
nf_get_degree 71370859
Fp_center 77202154
vecsmallpermute 78734405
rowslice 79346672
sqrtr 80386468
perm_mul 80929927
Fp_red 82091180
get_Flx_degree 82885651
pol_0 83002393
gtos 85854549
is_noncalc_t 85877889
cxnorm 91220755
mkcomplex 91642744
pr_get_p 92490795
dbllog2r 92834759
nf_get_pol 98085014
F2v_set 101405619
vecsmalltrunc_append 101591379
cgiv 102282327
RgX_copy 103409307
pol0_Flx 103511124
prec2nbits 103969440
mkvecsmall3 104048758
vecsmall_prefixcmp 108088071
gc_all 110027644
F2x_renormalize 115148161
mkvec3 119563337
zerocol 122361060
gaddgs 123248592
both_odd 123887244
F2x_set 124703658
nchar2nlong 127439923
mkvecsmall 131688141
equalim1 139505835
bit_prec 142850940
FpX_renormalize 144585986
ZX_renormalize 155035143
mkcol2 156896035
nbrows 157536999
leading_coeff 170556140
Flx_copy 173794620
Fp_add 181477215
mkvec2 185275450
nbits2prec 186163010
vecsmalltrunc_init 190683158
Fp_mul 201048104
Fp_sub 203429897
mkvecsmall2 233671705
gtofp 254404097
gc_GEN 256262644
gmulgu 282059385
lg_increase 318660410
closure_get_data 321325709
closure_get_oper 321352755
closure_codestr 321376059
is_universal_constant 325834844
lgcols 350848367
closure_arity 371241395
is_scalar_t 375678984
bin_copy 497443161
pari_free 510860918
is_bigint 562995521
leafcopy_avma 577546430
vecslice 656330164
is_matvec_t 659304511
F2v_coeff 661335934
F2x_coeff 667865139
pari_malloc 746740071
pari_stack_new 924794140
GENbinbase 964573510
pari_stack_alloc 1019493185
pari_stack_base 1025119234
gc_leaf 1134896965
equali1 1175751727
nbits2extraprec 1456975823
gc_upto 1951250840
odd 2084181070
is_pm1 2204091707
lgpol 2684225845
isintzero 2843294343
bit_accuracy 3163530271
gc_INT 4108788927
prec2lg 4468430423
is_const_t 4894431475
degpol 5507266116
remsBIL 8006414181
icopy_avma 8042229908
divsBIL 8096366971
isonstack 8265420600
is_recursive_t 9240082256

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