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 30531-d68fd7cb7d) Lines: 1419 1532 92.6 %
Date: 2025-10-15 09:22:51 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
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
pari_err_DOMAIN 2841
rnf_get_ramified_primes 2849
gchar_set_nfprec 2968
vecsmall_reverse 3052
vecsmall_to_vec_inplace 3304
gchar_get_m0 3318
pari_err_TYPE2 3493
get_FpXQX_degree 3589
matpascal 3885
gchar_get_evalprec 4011
gchar_get_modP 4095
FqX_normalize 4123
nf_get_r2 4154
gchar_get_u0 4252
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 8372
prec2ndec 9778
cgetalloc 10166
gchar_get_Ui 10983
vec_shorten 11556
vectrunc_append_batch 12306
ZX_equal1 12711
R_abs_shallow 13097
gchar_get_nfprec 13468
closure_get_dbg 13621
zx_renormalize 14049
pari_err_TYPE 15398
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 22781
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 27874
gal_get_invvdm 27881
absfrac_shallow 28237
zerovec_block 28947
gequalgs 29176
gener_Fq_local 29932
gal_get_roots 32753
gchar_get_basis 32816
F2xqX_div 33173
ndec2prec 33237
mkcolcopy 33505
Qtoss 35322
gal_get_pol 36337
gchar_get_S 36995
gchar_get_ns 36995
closure_get_text 37051
gchar_get_nc 37261
FqX_rem 37743
F2v_to_F2x 37830
FqX_div 38546
FqX_deriv 40061
mkcols 40411
bid_get_arch 41188
ndec2nlong 41507
znstar_get_Ui 46788
pari_calloc 47671
FqX_degfact 47786
bid_get_sarch 48594
vecmoduu 49784
gchar_get_loccyc 50519
get_FpXQX_var 51630
locs_get_cyc 52136
div_content 58476
RgX_fpnorml2 61607
err_get_num 62529
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 72842
Fq_to_FpXQ 73792
vecsmall_shorten 74576
bnr_get_mod 77119
gal_get_group 80392
mkcol3 88314
gtou 98317
cyclic_perm 99911
mkcol4 103467
zv_to_zx 104146
mkmoo 108850
zeromat 109139
RgV_isin 110130
RgV_isin_i 110130
mkvec2copy 114572
Q_abs_shallow 120256
mkmatcopy 122241
mkveccopy 122521
RgXQX_rem 127635
FqX_add 127694
rnf_get_map 135659
idealred 138524
zeroser 138824
RgV_is_QV 140758
FqX_factor 141051
get_FpXQX_mod 146583
FlxqX_div_pre 165413
znstar_get_U 176107
rowslicepermute 184711
vecsmall_prepend 186991
gchar_get_DLdata 190673
locs_get_Lsprk 193935
F2m_copy 200505
get_F2xqX_degree 200851
rowcopy 204988
gchar_get_bnf 205373
mkmat22s 207578
locs_get_m_infty 209475
mkvec2s 220418
mkcol6 232589
ellR_get_prec 232750
zero_Flm_copy 235921
gchar_get_nf 243932
Fp_halve 247348
affc_fixlg 249595
rnf_get_nfpol 255354
znstar_get_cyc 262088
FqXn_mul 263403
get_FlxqX_var 264420
bnr_get_no 277496
gchar_get_zm 281911
bnf_get_tuN 283003
bnf_get_fu_nocheck 289071
bnf_get_tuU 303578
nf_get_G 303612
vec_prepend 313994
get_FlxqX_degree 317565
rnf_get_polabs 327628
Flx_constant 333161
cxtoreal 337178
upr_norm 346135
RgX_renormalize 349807
abgrp_get_no 355189
ZM_hnfrem 363846
FqX_mul 367818
ellR_get_sign 371535
get_F2xqX_var 375375
vecsplice 384897
RgX_is_QX 400133
perm_conj 418299
FqX_Fq_mul 427296
FqX_extgcd 445050
Z_issquare 458926
nf_get_disc 463876
precdbl 475516
RgX_shift_inplace 479366
RgX_shift_inplace_init 479366
zv_to_ZV 503010
vecsmall_to_vec 511585
nf_get_sign 519553
mkvec3s 524441
gdivsg 531336
addmuliu 541101
FqX_Fp_mul 572129
prec2nbits_mul 581138
vecsmall_ei 584703
ZM_ZV_mod 596618
RgC_fpnorml2 622060
FqX_is_squarefree 683802
vecreverse 697235
mkrfrac 698152
coltrunc_init 740250
logint 755037
gcmpgs 761914
row 764008
rnf_get_nf 786030
ellff_get_a4a6 800025
zero_F2m_copy 845121
FpXX_renormalize 849896
zeropadic 855893
gmin_shallow 878289
affgr 898817
ZXQ_sqr 961080
cgetc 975622
Flx_lead 980635
polx_F2x 1078470
pr_norm 1088625
sstoQ 1097215
Fp_invsafe 1100355
Flx_mulu 1105210
vecsmall_max 1164502
mkfracss 1209563
RgV_isscalar 1210304
gen_I 1269836
RgX_is_monomial 1331255
mkoo 1331972
bnf_get_sunits 1367783
bnr_get_nf 1368114
guncloneNULL_deep 1386703
rnf_get_absdegree 1392746
zero_Flx 1426812
constant_coeff 1441509
Rg_col_ei 1451339
inf_get_sign 1453078
vecsmall_concat 1464437
nf_get_varn 1503574
bid_get_mod 1521921
F2m_flip 1554224
F2v_flip 1554224
F2x_flip 1554224
F2x_div 1570389
uutoQ 1600142
nf_get_roots 1627864
bnf_get_gen 1680327
vec_ei 1714645
gsubgs 1724188
ulogint 1730196
mkvecsmall5 1730617
nf_get_roundG 1746643
abgrp_get_gen 1765041
ellinf 1868528
modpr_get_p 1888431
killblock 1900798
get_F2x_degree 1929047
Flx_div 1999045
ellnf_get_nf 2027609
ellff_get_field 2036860
bnr_get_bid 2045861
ell_get_j 2126227
bid_get_MOD 2157254
bid_get_sprk 2157982
ZXQ_mul 2162049
pari_realloc_ip 2180284
zv_copy 2184170
bid_get_fact2 2201575
gc_slice 2204837
pol_xn 2249971
bid_get_archp 2397060
bid_get_fact 2498889
get_F2x_mod 2499237
rnf_get_degree 2506307
bnr_get_cyc 2522323
get_F2x_var 2534189
ell_get_b4 2549033
Flv_copy 2555431
mul_content 2654036
RgX_coeff 2669371
vecslicepermute 2689708
hash_str 2754915
cyc_get_expo 2757783
perm_inv 2782867
sqrtnr 2807714
bnr_get_clgp 2830001
zero_Flm 2830308
rnf_get_pol 2845157
znstar_get_pe 2868790
F2x_equal1 2874127
bnf_get_logfu 2874716
gisdouble 2988398
mkpolmod 3105019
Fq_red 3106435
bit_accuracy_mul 3175454
ZV_to_zv 3211413
identity_perm 3242646
F3m_coeff 3256720
identity_zv 3266996
znstar_get_conreygen 3289889
ell_get_b8 3297414
get_FpX_mod 3394339
vec_append 3465592
zero_F2v 3648107
bid_get_U 3680232
bnf_get_cyc 3686077
nf_get_index 3711317
bnr_get_bnf 3750903
pol_1 3756360
pol_x 3856785
ell_get_b6 3861932
mulsubii 3881967
pol1_F2x 3957863
vec_to_vecsmall 4036833
vecsmall_append 4111389
sqrfrac 4147659
vecsmall_copy 4404261
mkcol2s 4416244
F2x_equal 4660819
FpXQX_renormalize 4693394
mkmat 4750776
qfb_disc3 4991089
mkfraccopy 4999090
is_rational_t 5035215
bnf_get_clgp 5374953
pari_stack_delete 5392205
nf_get_zkprimpart 5416289
nf_get_zkden 5462174
FpX_div 5581100
checkell_i 5593252
isintm1 5704290
bid_get_cyc 5739516
bid_get_grp 5804365
pari_stack_init 5835549
col_ei 5925768
get_FpX_degree 6424443
Flm_copy 6433530
sqrti 6665665
get_FpX_var 6958059
RgX_div 7000740
vecsmall_lexcmp 7043259
ell_get_a2 7105471
ZM_lll 7112753
RgX_gtofp 7147645
znstar_get_faN 7330731
ell_get_b2 7369841
ZX_is_monic 7376007
zc_to_ZC 7823498
vecsmall_to_col 7837678
znstar_get_conreycyc 7978902
F2m_coeff 8039170
Q_abs 8062696
mkintmod 8092504
ZV_ZV_mod 8131264
RgM_gtofp 8252812
Flx_equal1 8327300
gc_INT_affii 8486321
ell_get_a4 8536012
Flm_row 8742319
ell_get_a3 8813333
ell_get_a1 8996365
cxtofp 9083158
veclast 9372670
ismpzero 9583879
is_intreal_t 9583985
const_col 9729860
RgM_dimensions 9742092
nf_get_invzk 9765387
bnf_get_nf 9863718
ser_isexactzero 10079479
mkvec4 10105955
ell_get_a6 10370250
mkcol 10641023
ZC_hnfrem 10690717
mul_denom 10709921
ell_get_c4 10728614
Fp_addmul 11352023
pr_get_gen 12062140
vectrunc_init 12066446
abgrp_get_cyc 12230140
F2v_clear 12355714
F2x_clear 12355717
ell_get_type 12499235
nbits2nlong 12647281
ell_get_c6 12891992
pol0_F2x 13244557
gmax_shallow 13510219
modpr_get_T 13867594
closure_get_frame 14147729
zeromatcopy 14240917
rowpermute 14709385
Fp_div 15035130
Fp_divu 15134902
mkvec5 15184871
pr_get_e 15952720
vectrunc_append 16161626
ell_get_disc 16525508
matslice 16818256
pr_is_inert 16910118
normalize_frac 17204576
isint1 17571964
mkvecsmall4 17825750
Fp_center_i 18059866
cxcompotor 18217863
qfb_disc 18514452
const_vecsmall 19663735
vecpermute 20529359
nf_get_M 21172201
Flx_div_pre 21701891
RgM_shallowcopy 22170219
Fp_double 22268685
RgX_is_ZX 22421776
gmulgs 22527643
nf_get_r1 22892656
ZV_isscalar 23098386
Fp_inv 23437877
get_Flx_mod 25595020
pr_get_f 26041140
RgX_equal_var 26880637
shallowcopy 27639598
mkqfb 27920260
zerovec 28455422
Fp_neg 30905837
modpr_get_pr 31238032
hash_str_len 31542918
RgV_is_ZV 32164051
submulii 32847018
mkmat2 33658765
RgC_gtofp 34014501
const_vec 34467138
zero_zv 36737649
polx_Flx 37817066
lincombii 38198714
znstar_get_N 38653757
closure_is_variadic 40153160
mkfrac 41640322
zeropol 42358571
powii 43176837
is_vec_t 43955561
absfrac 46637900
guncloneNULL 48154907
pr_get_tau 48871901
mkmat22 50284862
ell_is_inf 52473582
QV_isscalar 54401325
pol1_Flx 55046252
zero_Flv 59497501
addmuliu_inplace 59707827
submuliu_inplace 60203145
F2x_copy 60427292
gtodouble 60765544
is_real_t 62659214
qfb_is_qfi 62941215
Fp_sqr 64435719
get_Flx_var 68344670
Fp_mulu 69926747
mkvec 71144926
nf_get_degree 71349909
Fp_center 77244578
vecsmallpermute 78731552
rowslice 79333972
sqrtr 80371790
perm_mul 80927164
Fp_red 82090215
pol_0 82998277
get_Flx_degree 83623826
gtos 85833261
is_noncalc_t 85862199
cxnorm 90945215
mkcomplex 91633445
pr_get_p 91708959
dbllog2r 94008611
nf_get_pol 98056500
F2v_set 101404244
vecsmalltrunc_append 101435594
cgiv 102122245
RgX_copy 103404872
pol0_Flx 103494947
mkvecsmall3 104037539
prec2nbits 105719449
vecsmall_prefixcmp 108088071
gc_all 109993013
F2x_renormalize 115259696
mkvec3 121964150
zerocol 122291474
gaddgs 123245789
both_odd 123915834
F2x_set 124762489
nchar2nlong 127394526
mkvecsmall 131658681
equalim1 139504393
bit_prec 143025878
FpX_renormalize 144588776
ZX_renormalize 155034996
mkcol2 156927947
nbrows 157474215
leading_coeff 170556139
Flx_copy 173757715
Fp_add 181476139
mkvec2 184841664
nbits2prec 187651370
vecsmalltrunc_init 189685226
Fp_mul 201053661
Fp_sub 203410395
mkvecsmall2 233599296
gtofp 254250733
gc_GEN 256195267
gmulgu 282058132
lg_increase 314857992
closure_get_data 321271623
closure_get_oper 321307810
closure_codestr 321340547
is_universal_constant 325728875
lgcols 350243148
closure_arity 371158750
is_scalar_t 375643479
bin_copy 497278426
pari_free 510596270
is_bigint 562564422
leafcopy_avma 577322959
vecslice 655942724
is_matvec_t 659866053
F2v_coeff 661329672
F2x_coeff 667915765
pari_malloc 746526623
pari_stack_new 924761880
GENbinbase 964255307
pari_stack_alloc 1019363088
pari_stack_base 1024727918
gc_leaf 1138076165
equali1 1175159803
nbits2extraprec 1498777529
gc_upto 1949648844
odd 2085722182
is_pm1 2203235941
lgpol 2691478777
isintzero 2839368272
bit_accuracy 3163513479
gc_INT 4103993901
prec2lg 4515716562
is_const_t 4890095066
degpol 5518217961
icopy_avma 8035519908
remsBIL 8081518301
divsBIL 8171107261
isonstack 8261266627
is_recursive_t 9245274487

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