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 30605-980f9eb85c) Lines: 2553 2925 87.3 %
Date: 2026-01-11 09:21:30 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 2067
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 3914
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5463
_Flxq_s 6567
_Flxq_rand 6582
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8150
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 9645
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 12217
init_invlaplace 12514
Flx_halve 14026
Flx_diff1 14438
Flx_translate1 17098
Flx_halfres_split 19964
Flxq_autpow_msqr 20697
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 27355
Flx_composedsum 27555
FlxV_composedsum 28961
Flx_translate1_basecase 29191
Flx_mod_Xn1 31509
FlxV_Flc_mul 34482
Fl_Flxq_log 35550
Flxq_sqrtl_spec_pre 37667
Flxq_sumautsum_msqr 40915
translate_basecase 42357
kron_unpack_Flx 42785
Flxq_minpoly 45936
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47316
Flv_inv_indir 52210
kron_pack_Flx_spec 53168
Flx_Newton 54104
Flx_invLaplace 54383
Flxn_div 55171
Flxn_div_pre 55198
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 75843
Fl2_sqrtn_pre 76075
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_matFrobenius_pre 86569
Flx_Frobenius 86619
Flx_mulspec_quartmulii 97165
Flxq_order 97328
Flxq_autsum_pre 98770
FlxC_to_ZXC 104060
Flv_Flm_polint 104559
Flxq_autsum_sqr 105115
int_to_Flx_quart 107385
Flx_fromNewton 109403
Flxn_expint 109403
Flxq_autsum_mul 112478
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
_Fl2_rand 113898
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118748
Flx_is_smooth_squarefree 126934
Fl2_norm_pre 127622
Flx_invBarrett_basecase 134388
Flx_extgcd_halfgcd 146653
Flx_splitting 147323
Flx_Fl_sub 151682
Flv_invVandermonde 153445
Flx_invBarrett_pre 158849
Flx_inflate 160472
Flxq_log 164210
Flxq_matrix_pow_pre 170664
FlxV_to_Flm 171882
Fl2_inv_pre 197325
Flx_to_int_quartspec 204548
Flxq_sumautsum_pre 210713
Flxn_recip 217388
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_powers 232010
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 283439
Flx_mulspec_mulii_inflate 294045
FlxT_red 294171
Flxq_sumautsum_sqr 295314
Z_mod2BIL_Flx 305859
Z_mod2BIL_Flx_2 308789
FlxC_eval_powers_pre 325155
Flxq_inv 335766
Flx_sqr 354674
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395405
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416799
Flx_deflate 420779
Flx_integXn 422781
Flxq_norm 443137
Fl2_equal1 449779
Flx_to_int_halfspec 468590
Flxq_powu 488333
int_to_Flx_half 507058
Flxn_mulhigh 517099
Flx_blocks 517148
Flxq_easylog 519375
Flx_eval2BILspec 603293
Flx_divrem_Barrett 604574
FlxV_to_ZXV 606740
Flxq_auttrace_sqr 652880
Flxq_invsafe 670107
_Fl2_pow 671556
Fl2_pow_pre 671577
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 695052
Flxq_auttrace_mul 780171
Flx_Flxq_eval 791295
Flxq_minpoly_pre 809751
Flv_roots_to_pol 841942
Flx_extgcd 856688
Flx_halfgcd_pre 873270
Flx_subspec 898491
Flx_divrem_Barrettspec 905963
Flx_mulhigh_i 938969
monomial_Flx 941346
Flxq_pow 948298
Flxq_auttrace_pre 959983
Flx_triple 1049261
Flx_halfgcd_all_i 1127309
Flx_halfgcd_all_pre 1127313
Flx_halfres_basecase 1134384
Flx_halfres_i 1154353
_Flxq_rmul 1461838
Flv_polint 1485179
_Flxq_red 1550928
Rg_to_F2 1710343
Flv_inv 1744447
Flv_producttree 1745662
Flxq_transmul_init 1746501
Flv_inv_i 1756459
Flx_neg_inplace 1777875
Flx_Flv_multieval_tree 1785960
Flx_red 1880000
_Fl2_mul 1924661
Fl2_mul_pre 1953682
Flx_lgrenormalizespec 2134338
RgX_to_Flx 2249933
Flxq_div_pre 2416819
Flx_double 2443925
Flx_Flxq_eval_pre 2444557
FlvV_polint_tree 2587229
random_Flx 2646202
Flxq_sqr 2763154
FlxV_to_ZXV_inplace 3031517
Flx_negspec 3264420
Flx_neg 3264430
Rg_to_Flxq 3588223
Flx_addshift 3724675
ZXT_to_FlxT 3812941
Flxq_transmul 4212870
Flxq_inv_pre 4286503
Flx_val 4470898
Flx_resultant 4733041
Flx_mod_Xnm1 4907191
Fl2_sqr_pre 4910711
_Fl2_sqr 4910746
Flxn_mul_pre 5160740
Flxq_invsafe_pre 5429175
kron_unpack_Flx_bits_narrow 5657564
kron_unpack_Flx_bits_wide 5669200
Flx_extgcd_pre 6285829
Flx_extgcd_basecase 6285831
Flxn_red 6332239
zx_to_Flx 6407053
Flx_addspec 7250880
Flx_recipspec 7288676
mkF2 7324740
Flx_Fl_mul 7327624
Flx_mulspec_Kronecker 7348265
Z_to_Flx 7556450
maxbitcoeffpol 8477721
Flx_is_squarefree 9180852
Flx_Fl_add 9844594
_Flx_mul 11775113
Flx_Fl_mul_to_monic 11856131
Flx_blocks_Flm 12966324
FlxV_to_Flm_lg 12967473
Flx_FlxqV_eval_pre 13166248
Flxq_mul 13192347
Flx_Frobenius_pre 13811253
Flx_get_red 14502319
Flx_resultant_basecase_pre 14597041
Flx_resultant_pre 14599390
Flx_Fl_mul_pre 18291401
Flv_inv_pre_inplace 19404361
Flx_eval 20424124
kron_pack_Flx_spec_bits 20984691
Flv_inv_pre_indir 21136413
_Flxq_pow 21461715
Flxq_pow_Frobenius 21469127
Fl_to_Flx 21928662
_Flxq_one 22433783
Flxq_powers_pre 22434148
Flxq_pow_pre 22532651
_Flxq_powu_i 22924815
Flx_deriv 22982326
Flxq_powu_pre 24178885
Flv_to_Flx 25485442
Flx_equal 26023102
Flx_shift 27381003
Flx_mul 27813444
Flx_valrem 28443146
Flx_divrem 30445951
Flx_gcd 35018964
Flx_div_by_X_x 36540969
Flx_to_ZX_inplace 36570848
Flx_to_ZX 38297588
Flx_rem 42217502
Flx_eval_powers_pre 48556169
Flx_divrem_basecase 62281966
Flx_normalize 64773212
Flx_add 66093639
Flx_to_Flv 66642111
set_Flxq_pre 68444630
Rg_to_Fl 73208588
Flx_divrem_pre 79722242
Flx_gcd_basecase 85772554
Flx_gcd_pre 87431494
Flx_get_red_pre 96193190
Flx_eval_pre 136164198
Flx_sub 138632873
_Flxq_mul 144972181
ZX_to_Flx 171007111
Flxq_mul_pre 186178550
_Flxq_sqr 266237662
Flxq_sqr_pre 274127182
Flx_sqrspec_basecase 274513286
Flx_sqr_pre 275087396
Flx_sqrspec 275212620
Flx_mulspec_basecase 345231822
Flx_mul_pre 377329136
Flx_mulspec 382903050
Flx_shiftip 628868741
Flx_rem_basecase 795754231
Flx_rem_pre 919768081
get_Flx_red 983760199
Flx_mullimb 1186549032
Flx_renormalize 2145191345
get_Fl_threshold 2315064103
Flx_mullimb_ok 3338001221

Generated by: LCOV version 1.16