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 30592-30cd175d91) Lines: 2553 2925 87.3 %
Date: 2026-01-03 09:20:22 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 2068
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 3624
Flv_prod_pre 3719
Flx_powu_pre 3847
_Flx_composedsum 3882
Flxq_pow_table_pre 4392
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5463
_Flxq_rand 6538
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8176
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 9646
Flx_mulspec_mulii 10147
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 12217
init_invlaplace 12514
Flx_halve 14026
Flx_diff1 14443
Flx_translate1 17102
Flx_halfres_split 19964
Flxq_autpow_msqr 20696
Flxq_sqrtn_spec_pre 21900
FlxM_eval_powers_pre 22302
Flxq_sqrtn 23095
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27345
Flx_composedsum 27553
FlxV_composedsum 28953
Flx_translate1_basecase 29194
Flx_mod_Xn1 31510
FlxV_Flc_mul 34482
Fl_Flxq_log 35544
Flxq_sqrtl_spec_pre 37667
Flxq_sumautsum_msqr 40915
translate_basecase 42359
kron_unpack_Flx 42785
Flxq_minpoly 45937
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47313
Flv_inv_indir 52213
kron_pack_Flx_spec 53168
Flx_Newton 54106
Flx_invLaplace 54369
Flxn_div 55150
Flxn_div_pre 55173
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65849
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69450
Flx_to_FlxX 71405
Flx_is_smooth 74256
Flxn_mul 75846
Fl2_sqrtn_pre 76169
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_matFrobenius_pre 86566
Flx_Frobenius 86619
Flx_mulspec_quartmulii 97165
Flxq_order 97328
Flxq_autsum_pre 98768
FlxC_to_ZXC 104060
Flv_Flm_polint 104561
Flxq_autsum_sqr 105110
int_to_Flx_quart 107385
Flxn_expint 109398
Flx_fromNewton 109399
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
_Fl2_rand 113972
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118856
Flx_is_smooth_squarefree 127016
Fl2_norm_pre 127634
Flx_invBarrett_basecase 134392
Flx_extgcd_halfgcd 146646
Flx_splitting 146869
Flx_Fl_sub 151679
Flv_invVandermonde 153445
Flx_invBarrett_pre 158853
Flx_inflate 160033
Flxq_log 164217
Flxq_matrix_pow_pre 170663
FlxV_to_Flm 171878
Fl2_inv_pre 197790
Flx_to_int_quartspec 204548
Flxq_sumautsum_pre 210713
Flxn_recip 217315
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_powers 232014
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 283446
FlxT_red 289942
Flx_mulspec_mulii_inflate 294046
Flxq_sumautsum_sqr 295314
Z_mod2BIL_Flx 305860
Z_mod2BIL_Flx_2 308790
FlxC_eval_powers_pre 325159
Flxq_inv 335769
Flx_sqr 354596
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395356
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416791
Flx_deflate 420785
Flx_integXn 422727
Flxq_norm 443140
Fl2_equal1 450705
Flx_to_int_halfspec 468590
Flxq_powu 488336
int_to_Flx_half 507058
Flxn_mulhigh 516834
Flx_blocks 516923
Flxq_easylog 519368
Flx_eval2BILspec 603295
Flx_divrem_Barrett 603443
FlxV_to_ZXV 606744
Flxq_auttrace_sqr 652771
Flxq_invsafe 670192
_Fl2_pow 672942
Fl2_pow_pre 672972
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 694971
Flxq_auttrace_mul 780079
Flx_Flxq_eval 791309
Flxq_minpoly_pre 809727
Flv_roots_to_pol 842093
Flx_extgcd 856680
Flx_halfgcd_pre 873283
Flx_subspec 897289
Flx_divrem_Barrettspec 904914
Flx_mulhigh_i 938441
monomial_Flx 941359
Flxq_pow 948330
Flxq_auttrace_pre 959913
Flx_triple 1049261
Flx_halfgcd_all_i 1127446
Flx_halfgcd_all_pre 1127451
Flx_halfres_basecase 1134526
Flx_halfres_i 1154492
_Flxq_rmul 1461838
Flv_polint 1485155
_Flxq_red 1550928
Rg_to_F2 1710254
Flv_inv 1744428
Flv_producttree 1745638
Flxq_transmul_init 1746550
Flv_inv_i 1756441
Flx_neg_inplace 1777875
Flx_Flv_multieval_tree 1785938
Flx_red 1876216
_Fl2_mul 1926871
Fl2_mul_pre 1955903
Flx_lgrenormalizespec 2131696
RgX_to_Flx 2249948
Flxq_div_pre 2416819
Flx_double 2443925
Flx_Flxq_eval_pre 2444607
FlvV_polint_tree 2587413
random_Flx 2646034
Flxq_sqr 2763154
FlxV_to_ZXV_inplace 3031573
Flx_neg 3263128
Flx_negspec 3263143
Rg_to_Flxq 3588239
Flx_addshift 3724675
ZXT_to_FlxT 3811911
Flxq_transmul 4212943
Flxq_inv_pre 4286475
Flx_val 4470402
Flx_resultant 4733566
Flx_mod_Xnm1 4907855
_Fl2_sqr 4914838
Fl2_sqr_pre 4914839
Flxn_mul_pre 5158367
Flxq_invsafe_pre 5429249
kron_unpack_Flx_bits_narrow 5654121
kron_unpack_Flx_bits_wide 5669849
Flx_extgcd_pre 6285919
Flx_extgcd_basecase 6285936
Flxn_red 6328562
zx_to_Flx 6407576
Flx_addspec 7250880
Flx_recipspec 7286275
Flx_Fl_mul 7325987
mkF2 7331792
Flx_mulspec_Kronecker 7345338
Z_to_Flx 7556497
maxbitcoeffpol 8475121
Flx_is_squarefree 9180873
Flx_Fl_add 9845687
_Flx_mul 11779558
Flx_Fl_mul_to_monic 11856271
Flx_blocks_Flm 12966616
FlxV_to_Flm_lg 12967405
Flx_FlxqV_eval_pre 13166257
Flxq_mul 13192469
Flx_Frobenius_pre 13811806
Flx_get_red 14502130
Flx_resultant_basecase_pre 14598031
Flx_resultant_pre 14600176
Flx_Fl_mul_pre 18290059
Flv_inv_pre_inplace 19304459
Flx_eval 20428428
kron_pack_Flx_spec_bits 20978523
Flv_inv_pre_indir 21049954
Fl_to_Flx 21933287
_Flxq_pow 22069574
Flxq_pow_Frobenius 22076982
Flxq_powers_pre 22433261
_Flxq_one 22433286
_Flxq_powu_i 22925091
Flx_deriv 22982612
Flxq_pow_pre 23140468
Flxq_powu_pre 24179123
Flv_to_Flx 25485415
Flx_equal 26639840
Flx_shift 27378177
Flx_mul 27813376
Flx_valrem 28445990
Flx_divrem 30446603
Flx_gcd 35015575
Flx_div_by_X_x 36552857
Flx_to_ZX_inplace 36567095
Flx_to_ZX 38296925
Flx_rem 42223785
Flx_eval_powers_pre 48575577
Flx_divrem_basecase 62282345
Flx_normalize 64780632
Flx_add 66088333
Flx_to_Flv 66641098
set_Flxq_pre 69053444
Rg_to_Fl 73210030
Flx_divrem_pre 79721473
Flx_gcd_basecase 85762385
Flx_gcd_pre 87425194
Flx_get_red_pre 96800749
Flx_eval_pre 136165336
Flx_sub 138632002
_Flxq_mul 146240204
ZX_to_Flx 171005670
Flxq_mul_pre 187453560
_Flxq_sqr 267048058
Flxq_sqr_pre 274948588
Flx_sqrspec_basecase 275335948
Flx_sqr_pre 275929192
Flx_sqrspec 276095137
Flx_mulspec_basecase 346424164
Flx_mul_pre 378578356
Flx_mulspec 384153968
Flx_shiftip 630884726
Flx_rem_basecase 797596112
Flx_rem_pre 921664763
get_Flx_red 985662987
Flx_mullimb 1185921092
Flx_renormalize 2148872909
get_Fl_threshold 2321090552
Flx_mullimb_ok 3357698581

Generated by: LCOV version 1.16