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 - basemath - Flx.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30634-7c77b4d1a9) Lines: 2553 2925 87.3 %
Date: 2026-01-25 09:23:13 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl_Xp1_powu 0
Flv_prod 0
FlxC_Fl_translate 0
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_neg 0
FlxC_sub 0
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_max_degree 0
FlxM_max_degree_i 0
FlxM_mul 0
FlxM_neg 0
FlxM_sub 0
FlxM_to_FlxXV 0
FlxV_Flx_fromdigits 0
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_composedprod 0
Flx_convol 0
Flx_digits 0
Flx_halfgcd 0
Flx_integ 0
Flx_invBarrett 0
Flx_matFrobenius 0
Flx_powu 0
Flx_recip 0
Flx_unscale 0
Flxn_exp 0
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqM_Flxq_mul 0
FlxqV_dotproduct 0
Flxq_autsum 0
Flxq_auttrace 0
Flxq_is2npower 0
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_pow_init 0
Flxq_pow_table 0
ZXV_to_FlxV 0
Z_mod2BIL_Flx_3 0
_Flx_add 0
_Flx_divrem 0
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
kron_pack_Flx_spec_3 0
kron_unpack_Flx_3 0
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
Flxq_autpow 7
RgXV_to_FlxV 7
matJ2_FlxM 13
Flxq_conjvec 20
Flxq_pow_init_pre 28
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
_Flxq_powu 68
Flx_sqrspec_halfsqri 136
Flx_halfgcd_all 154
Flxq_matrix_pow 399
ZpX_invLaplace_init 497
matid2_FlxM 911
Flxn_inv 1037
Flx_halfres_pre 1044
Flx_rescale 1117
Flxq_autpowers 1667
FlxqX_dotproduct 1918
Flx_sqrspec_sqri 2069
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxM_to_ZXM 2485
Flm_to_FlxV 2772
kron_unpack_Flx_2 2930
kron_pack_Flx_spec_2 3389
Flxq_charpoly 3625
Flv_prod_pre 3719
_Flx_composedsum 3882
Flx_powu_pre 3940
Flxq_pow_table_pre 4390
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5463
_Flxq_s 6567
_Flxq_rand 6568
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8192
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 9646
Flx_mulspec_mulii 10142
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10773
Flx_sqrspec_sqri_inflate 11814
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12215
init_invlaplace 12514
Flx_halve 14026
Flx_diff1 14447
Flx_translate1 17107
Flx_halfres_split 19964
Flxq_autpow_msqr 20698
Flxq_sqrtn_spec_pre 21899
FlxM_eval_powers_pre 22302
Flxq_sqrtn 23094
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 25999
Flx_Laplace 27338
Flx_composedsum 27553
FlxV_composedsum 28964
Flx_translate1_basecase 29201
Flx_mod_Xn1 31509
FlxV_Flc_mul 34482
Fl_Flxq_log 35543
Flxq_sqrtl_spec_pre 37667
Flxq_sumautsum_msqr 40915
translate_basecase 42366
kron_unpack_Flx 42785
Flxq_minpoly 45937
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47320
Flv_inv_indir 52215
kron_pack_Flx_spec 53168
Flx_Newton 54099
Flx_invLaplace 54364
Flxn_div 56317
Flxn_div_pre 56347
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65849
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69453
Flx_to_FlxX 71405
Flx_is_smooth 74256
Flxn_mul 75849
Fl2_sqrtn_pre 76079
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_matFrobenius_pre 86567
Flx_Frobenius 86619
Flx_mulspec_quartmulii 97166
Flxq_order 97328
Flxq_autsum_pre 98768
FlxC_to_ZXC 104060
Flv_Flm_polint 104562
Flxq_autsum_sqr 105110
int_to_Flx_quart 107384
Flx_fromNewton 109402
Flxn_expint 109402
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
_Fl2_rand 113857
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118759
Flx_is_smooth_squarefree 126892
Fl2_norm_pre 127600
Flx_invBarrett_basecase 134392
Flx_extgcd_halfgcd 146657
Flx_splitting 147493
Flx_Fl_sub 151682
Flv_invVandermonde 153445
Flx_invBarrett_pre 158853
Flx_inflate 160810
Flxq_log 164210
Flxq_matrix_pow_pre 170659
FlxV_to_Flm 171879
Fl2_inv_pre 197439
Flx_to_int_quartspec 204550
Flxq_sumautsum_pre 210713
Flxn_recip 217328
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_powers 232008
FlxqC_red_pre 234845
Flxq_div 237891
get_Flxq_star 283438
Flx_mulspec_mulii_inflate 294051
Flxq_sumautsum_sqr 295314
FlxT_red 295788
Z_mod2BIL_Flx 305865
Z_mod2BIL_Flx_2 308795
FlxC_eval_powers_pre 325154
Flxq_inv 335768
Flx_sqr 354700
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395386
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416800
Flx_deflate 420811
Flx_integXn 422741
Flxq_norm 443134
Fl2_equal1 450019
Flx_to_int_halfspec 468590
Flxq_powu 488341
int_to_Flx_half 507058
Flxq_easylog 519358
Flxn_mulhigh 525741
Flx_blocks 525846
Flx_eval2BILspec 603305
Flx_divrem_Barrett 605006
FlxV_to_ZXV 606737
Flxq_auttrace_sqr 652749
Flxq_invsafe 670218
_Fl2_pow 671927
Fl2_pow_pre 671937
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 695092
Flxq_auttrace_mul 780069
Flx_Flxq_eval 791308
Flxq_minpoly_pre 809618
Flv_roots_to_pol 842205
Flx_extgcd 856696
Flx_halfgcd_pre 873050
Flx_subspec 898670
Flx_divrem_Barrettspec 906137
monomial_Flx 941125
Flx_mulhigh_i 947530
Flxq_pow 948251
Flxq_auttrace_pre 959819
Flx_triple 1049261
Flx_halfgcd_all_i 1126678
Flx_halfgcd_all_pre 1126679
Flx_halfres_basecase 1133753
Flx_halfres_i 1153722
_Flxq_rmul 1461838
Flv_polint 1485158
_Flxq_red 1550928
Rg_to_F2 1710180
Flv_inv 1744432
Flv_producttree 1745652
Flxq_transmul_init 1746030
Flv_inv_i 1756439
Flx_neg_inplace 1780025
Flx_Flv_multieval_tree 1785946
Flx_red 1881437
_Fl2_mul 1924620
Fl2_mul_pre 1953634
Flx_lgrenormalizespec 2134701
RgX_to_Flx 2249949
Flxq_div_pre 2416846
Flx_double 2443925
Flx_Flxq_eval_pre 2444603
FlvV_polint_tree 2587627
random_Flx 2645784
Flxq_sqr 2763146
FlxV_to_ZXV_inplace 3031582
Flx_negspec 3264680
Flx_neg 3264686
Rg_to_Flxq 3588284
Flx_addshift 3729093
ZXT_to_FlxT 3813402
Flxq_transmul 4212071
Flxq_inv_pre 4286520
Flx_val 4471008
Flx_resultant 4733671
Flx_mod_Xnm1 4908447
Fl2_sqr_pre 4910979
_Fl2_sqr 4910992
Flxn_mul_pre 5177216
Flxq_invsafe_pre 5429297
kron_unpack_Flx_bits_narrow 5664667
kron_unpack_Flx_bits_wide 5669114
Flx_extgcd_pre 6285969
Flx_extgcd_basecase 6286010
Flxn_red 6358426
zx_to_Flx 6398387
Flx_addspec 7259598
Flx_recipspec 7287146
mkF2 7324840
Flx_Fl_mul 7327906
Flx_mulspec_Kronecker 7357226
Z_to_Flx 7556433
maxbitcoeffpol 8486249
Flx_is_squarefree 9180609
Flx_Fl_add 9847193
_Flx_mul 11786416
Flx_Fl_mul_to_monic 11856609
Flx_blocks_Flm 12966618
FlxV_to_Flm_lg 12967284
Flx_FlxqV_eval_pre 13165808
Flxq_mul 13192483
Flx_Frobenius_pre 13811967
Flx_get_red 14503398
Flx_resultant_basecase_pre 14597871
Flx_resultant_pre 14599940
Flx_Fl_mul_pre 18292143
Flv_inv_pre_inplace 19317589
Flx_eval 20429125
kron_pack_Flx_spec_bits 21001978
Flv_inv_pre_indir 21041645
Fl_to_Flx 21950450
Flxq_powers_pre 22434896
_Flxq_one 22436681
_Flxq_powu_i 22924570
Flx_deriv 22982238
_Flxq_pow 23402047
Flxq_pow_Frobenius 23409455
Flxq_powu_pre 24179045
Flxq_pow_pre 24472959
Flv_to_Flx 25486047
Flx_shift 27395390
Flx_mul 27806790
Flx_equal 27901780
Flx_valrem 28484492
Flx_divrem 30449351
Flx_gcd 35029060
Flx_to_ZX_inplace 36572006
Flx_div_by_X_x 36590649
Flx_to_ZX 38298413
Flx_rem 42222552
Flx_eval_powers_pre 48543937
Flx_divrem_basecase 62281328
Flx_normalize 64832297
Flx_add 66138164
Flx_to_Flv 66642032
set_Flxq_pre 70385467
Rg_to_Fl 73210251
Flx_divrem_pre 79720692
Flx_gcd_basecase 85779959
Flx_gcd_pre 87438910
Flx_get_red_pre 98134488
Flx_eval_pre 136156878
Flx_sub 138639042
_Flxq_mul 148836618
ZX_to_Flx 171016766
Flxq_mul_pre 190018578
_Flxq_sqr 267999062
Flxq_sqr_pre 275793100
Flx_sqr_pre 276762274
Flx_sqrspec_basecase 277065149
Flx_sqrspec 277105280
Flx_mulspec_basecase 349468820
Flx_mul_pre 381282535
Flx_mulspec 386963930
Flx_shiftip 635038166
Flx_rem_basecase 802123588
Flx_rem_pre 925737229
get_Flx_red 989804483
Flx_mullimb 1186779891
Flx_renormalize 2157518753
get_Fl_threshold 2335399342
Flx_mullimb_ok 3405043016

Generated by: LCOV version 1.16