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 30600-bbb75e9497) Lines: 2553 2925 87.3 %
Date: 2026-01-05 09:22:13 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 176
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 2070
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxM_to_ZXM 2507
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 3979
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5463
_Flxq_rand 6556
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8167
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 9645
Flx_mulspec_mulii 10144
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 14402
Flx_translate1 17062
Flx_halfres_split 19964
Flxq_autpow_msqr 20696
Flxq_sqrtn_spec_pre 21900
FlxM_eval_powers_pre 22302
Flxq_sqrtn 23095
Flx_invBarrett_Newton 23160
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27343
Flx_composedsum 27546
FlxV_composedsum 28969
Flx_translate1_basecase 29144
Flx_mod_Xn1 31509
FlxV_Flc_mul 34482
Fl_Flxq_log 35550
Flxq_sqrtl_spec_pre 37667
Flxq_sumautsum_msqr 40915
translate_basecase 42313
kron_unpack_Flx 42785
Flxq_minpoly 45937
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47315
Flv_inv_indir 52213
kron_pack_Flx_spec 53168
Flx_Newton 54105
Flx_invLaplace 54368
Flxn_div 55162
Flxn_div_pre 55187
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65849
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69452
Flx_to_FlxX 71405
Flx_is_smooth 74256
Flxn_mul 75847
Fl2_sqrtn_pre 76057
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_matFrobenius_pre 86568
Flx_Frobenius 86619
Flx_mulspec_quartmulii 97166
Flxq_order 97328
Flxq_autsum_pre 98770
FlxC_to_ZXC 104104
Flv_Flm_polint 104561
Flxq_autsum_sqr 105116
int_to_Flx_quart 107383
Flxn_expint 109397
Flx_fromNewton 109401
Flxq_autsum_mul 112480
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
_Fl2_rand 113817
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118798
Flx_is_smooth_squarefree 126960
Fl2_norm_pre 127513
Flx_invBarrett_basecase 134392
Flx_extgcd_halfgcd 146649
Flx_splitting 147784
Flx_Fl_sub 151680
Flv_invVandermonde 153445
Flx_invBarrett_pre 158852
Flx_inflate 160707
Flxq_log 164210
Flxq_matrix_pow_pre 170665
FlxV_to_Flm 171880
Fl2_inv_pre 197213
Flx_to_int_quartspec 204550
Flxq_sumautsum_pre 210713
Flxn_recip 217357
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_powers 232025
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 283439
Flx_mulspec_mulii_inflate 294053
Flxq_sumautsum_sqr 295314
FlxT_red 298266
Z_mod2BIL_Flx 305867
Z_mod2BIL_Flx_2 308797
FlxC_eval_powers_pre 325160
Flxq_inv 335770
Flx_sqr 354756
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395380
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416795
Flx_deflate 420778
Flx_integXn 422741
Flxq_norm 443130
Fl2_equal1 449680
Flx_to_int_halfspec 468590
Flxq_powu 488327
int_to_Flx_half 507058
Flxn_mulhigh 516856
Flx_blocks 516962
Flxq_easylog 519379
Flx_eval2BILspec 603309
Flx_divrem_Barrett 605710
FlxV_to_ZXV 606756
Flxq_auttrace_sqr 652779
Flxq_invsafe 670112
_Fl2_pow 671408
Fl2_pow_pre 671431
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 695131
Flxq_auttrace_mul 780059
Flx_Flxq_eval 791327
Flxq_minpoly_pre 809749
Flv_roots_to_pol 842099
Flx_extgcd 856685
Flx_halfgcd_pre 873245
Flx_subspec 899461
Flx_divrem_Barrettspec 907033
Flx_mulhigh_i 938407
monomial_Flx 941330
Flxq_pow 948247
Flxq_auttrace_pre 959902
Flx_triple 1049261
Flx_halfgcd_all_pre 1127430
Flx_halfgcd_all_i 1127431
Flx_halfres_basecase 1134510
Flx_halfres_i 1154475
_Flxq_rmul 1461838
Flv_polint 1485147
_Flxq_red 1550928
Rg_to_F2 1710431
Flv_inv 1744419
Flv_producttree 1745630
Flxq_transmul_init 1746466
Flv_inv_i 1756428
Flx_neg_inplace 1777875
Flx_Flv_multieval_tree 1785937
Flx_red 1883614
_Fl2_mul 1923465
Fl2_mul_pre 1952513
Flx_lgrenormalizespec 2135760
RgX_to_Flx 2249931
Flxq_div_pre 2416819
Flx_double 2443925
Flx_Flxq_eval_pre 2444628
FlvV_polint_tree 2587363
random_Flx 2645988
Flxq_sqr 2763156
FlxV_to_ZXV_inplace 3031549
Flx_negspec 3265354
Flx_neg 3265367
Rg_to_Flxq 3588200
Flx_addshift 3724675
ZXT_to_FlxT 3814067
Flxq_transmul 4212929
Flxq_inv_pre 4286504
Flx_val 4478910
Flx_resultant 4732932
Flx_mod_Xnm1 4907804
Fl2_sqr_pre 4908047
_Fl2_sqr 4908402
Flxn_mul_pre 5159034
Flxq_invsafe_pre 5429173
kron_unpack_Flx_bits_narrow 5661009
kron_unpack_Flx_bits_wide 5669360
Flx_extgcd_basecase 6285779
Flx_extgcd_pre 6285828
Flxn_red 6329613
zx_to_Flx 6409066
Flx_addspec 7250880
Flx_recipspec 7290104
mkF2 7321786
Flx_Fl_mul 7327806
Flx_mulspec_Kronecker 7352308
Z_to_Flx 7556314
maxbitcoeffpol 8481572
Flx_is_squarefree 9180644
Flx_Fl_add 9845097
_Flx_mul 11774767
Flx_Fl_mul_to_monic 11857351
Flx_blocks_Flm 12966478
FlxV_to_Flm_lg 12967380
Flx_FlxqV_eval_pre 13166223
Flxq_mul 13192332
Flx_Frobenius_pre 13812988
Flx_get_red 14503514
Flx_resultant_basecase_pre 14597076
Flx_resultant_pre 14599351
Flx_Fl_mul_pre 18291968
Flv_inv_pre_inplace 19345569
Flx_eval 20436287
kron_pack_Flx_spec_bits 20991355
Flv_inv_pre_indir 21083396
Fl_to_Flx 21943016
_Flxq_pow 22371984
Flxq_pow_Frobenius 22379395
Flxq_powers_pre 22435699
_Flxq_one 22436579
_Flxq_powu_i 22927308
Flx_deriv 22982681
Flxq_pow_pre 23442776
Flxq_powu_pre 24180671
Flv_to_Flx 25484886
Flx_equal 26929204
Flx_shift 27378661
Flx_mul 27818769
Flx_valrem 28456022
Flx_divrem 30449659
Flx_gcd 35012227
Flx_div_by_X_x 36556641
Flx_to_ZX_inplace 36572999
Flx_to_ZX 38298097
Flx_rem 42236000
Flx_eval_powers_pre 48658051
Flx_divrem_basecase 62286317
Flx_normalize 64809560
Flx_add 66103280
Flx_to_Flv 66639711
set_Flxq_pre 69361231
Rg_to_Fl 73210094
Flx_divrem_pre 79728382
Flx_gcd_basecase 85771594
Flx_gcd_pre 87428307
Flx_get_red_pre 97112379
Flx_eval_pre 136167026
Flx_sub 138641708
_Flxq_mul 146859219
ZX_to_Flx 171014957
Flxq_mul_pre 188073076
_Flxq_sqr 267494593
Flxq_sqr_pre 275408386
Flx_sqrspec_basecase 275816469
Flx_sqr_pre 276382149
Flx_sqrspec 276567707
Flx_mulspec_basecase 347121820
Flx_mul_pre 379288277
Flx_mulspec 384872694
Flx_shiftip 632093502
Flx_rem_basecase 798791262
Flx_rem_pre 922865022
get_Flx_red 986919552
Flx_mullimb 1185970186
Flx_renormalize 2151602043
get_Fl_threshold 2325335566
Flx_mullimb_ok 3373399915

Generated by: LCOV version 1.16