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 30316-0578a48613) Lines: 2553 2914 87.6 %
Date: 2025-06-01 09:19:36 Functions: 304 359 84.7 %
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_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_neg 0
FlxC_sub 0
FlxC_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
FlxM_translate 0
FlxV_Flx_fromdigits 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 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_translate 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_divrem 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 1030
Flx_halfres_pre 1044
Flx_rescale 1117
Flxq_autpowers 1667
FlxqX_dotproduct 1918
Flx_sqrspec_sqri 2263
Flm_to_FlxV 2324
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxM_to_ZXM 2485
kron_unpack_Flx_2 2930
kron_pack_Flx_spec_2 3389
Flxq_charpoly 3624
Flv_prod_pre 3627
_Flx_composedsum 3910
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5460
_Flxq_rand 5564
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_powu_pre 7892
Flx_is_l_pow 8171
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flx_mulspec_mulii 10144
Flx_sqrspec_quartsqri 10218
Flv_inv_pre 10491
Flx_Fl2_eval_pre 10528
Flx_sqrspec_sqri_inflate 11498
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12412
init_invlaplace 12514
Flx_diff1 13482
Flx_halve 14117
Flx_translate1 16142
Flxq_sqrtn_spec_pre 19262
Flx_halfres_split 19963
FlxM_eval_powers_pre 20038
Flxq_sqrtn 20456
Flxq_autpow_msqr 20696
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 25999
Flx_Laplace 27368
Flx_composedsum 27583
Flx_translate1_basecase 28236
FlxV_composedsum 28992
Flx_mod_Xn1 30116
FlxV_Flc_mul 34482
Fl_Flxq_log 35539
Flxq_sqrtl_spec_pre 35707
Flxq_sumautsum_msqr 40558
translate_basecase 41401
kron_unpack_Flx 42785
Flxq_minpoly 44467
Flxq_autpow_sqr 46249
FlxM_pack_ZM 46835
Flv_inv_indir 49975
kron_pack_Flx_spec 53168
Flx_Newton 54165
Flx_invLaplace 54424
Flxn_div 55212
Flxn_div_pre 55238
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67488
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71244
Fl2_sqrtn_pre 74071
Flx_is_smooth 74256
Flxn_mul 75414
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86582
Flx_mulspec_quartmulii 97166
Flxq_order 97328
Flxq_autsum_pre 98768
Flv_Flm_polint 101398
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105110
int_to_Flx_quart 107385
Flx_fromNewton 109431
Flxn_expint 109431
_Fl2_rand 111254
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118389
Fl2_norm_pre 124457
Flx_is_smooth_squarefree 126577
Flx_invBarrett_basecase 134262
Flx_extgcd_halfgcd 146586
Flx_splitting 147495
Flx_Fl_sub 151680
Flv_invVandermonde 153162
Flx_invBarrett_pre 158724
Flx_inflate 160526
Flxq_log 164217
Flxq_matrix_pow_pre 170685
FlxV_to_Flm 171903
Fl2_inv_pre 193637
Flx_to_int_quartspec 204549
Flxq_sumautsum_pre 208704
Flxn_recip 217508
Flxq_sqrt 230554
Flxq_sqrt_pre 230554
Flxq_powers 232065
FlxqC_red_pre 234845
Flxq_div 237864
FlxC_eval_powers_pre 254973
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 283360
Flxq_sumautsum_sqr 292682
Z_mod2BIL_Flx 294858
FlxT_red 295613
Z_mod2BIL_Flx_2 297788
Flxq_inv 335771
Flx_sqr 354675
_Flxq_neg 366572
Flv_polint 368425
_Flx_add 389834
bounded_order 394025
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416635
Flx_deflate 420505
Flx_integXn 422838
Fl2_equal1 441980
Flxq_norm 443342
Flx_to_int_halfspec 468584
Flxq_powu 488326
int_to_Flx_half 507055
Flxn_mulhigh 517060
Flx_blocks 517154
Flxq_easylog 519201
Flx_eval2BILspec 581607
Flx_divrem_Barrett 604597
FlxV_to_ZXV 605872
Flv_inv 624268
Flv_producttree 625461
Flv_inv_i 636281
Flxq_auttrace_sqr 636763
_Fl2_pow 659329
Fl2_pow_pre 659344
Flx_Flv_multieval_tree 665771
Flxq_invsafe 669618
Flx_sqrspec_Kronecker 683393
kron_pack_Flx_spec_half 688104
Flv_roots_to_pol 744002
Flxq_auttrace_mul 764112
Flxq_minpoly_pre 783893
Flx_Flxq_eval 789616
Flx_halfgcd_pre 845690
Flx_extgcd 854941
Flx_subspec 897798
Flx_divrem_Barrettspec 905487
monomial_Flx 912503
Flxq_pow 930723
Flxq_auttrace_pre 935410
Flx_mulhigh_i 938934
Flx_triple 1049734
Flx_halfgcd_all_i 1099219
Flx_halfgcd_all_pre 1099224
Flx_halfres_basecase 1106294
Flx_halfres_i 1126260
FlvV_polint_tree 1387203
_Flxq_rmul 1461838
_Flxq_red 1550928
Flxq_transmul_init 1691359
Rg_to_F2 1706841
Flx_neg_inplace 1747890
Flx_red 1879973
_Fl2_mul 1885967
Fl2_mul_pre 1914402
Flx_lgrenormalizespec 2133229
RgX_to_Flx 2241620
Flx_Flxq_eval_pre 2403399
Flxq_div_pre 2417569
Flx_double 2444871
random_Flx 2591175
Z_to_Flx 2601009
Flxq_sqr 2759497
FlxV_to_ZXV_inplace 2926331
Flx_negspec 3265101
Flx_neg 3265106
Rg_to_Flxq 3563154
Flx_addshift 3664597
ZXT_to_FlxT 3794564
Flxq_transmul 4082172
Flx_val 4140285
Flxq_inv_pre 4283912
Flx_resultant 4733055
Fl2_sqr_pre 4817879
_Fl2_sqr 4817948
Flx_mod_Xnm1 5053595
Flxn_mul_pre 5060438
Flxq_invsafe_pre 5412613
kron_unpack_Flx_bits_wide 5531292
kron_unpack_Flx_bits_narrow 5655827
zx_to_Flx 6038184
Flxn_red 6232001
Flx_extgcd_pre 6267540
Flx_extgcd_basecase 6267545
Flx_recipspec 7122269
Flx_addspec 7130769
mkF2 7183455
Flx_mulspec_Kronecker 7222086
Flx_Fl_mul 7322399
maxbitcoeffpol 8328949
Flx_is_squarefree 8531875
Flx_Fl_add 9888806
Flx_resultant_basecase_pre 10269520
Flx_resultant_pre 10271727
_Flx_mul 10467562
Flx_Fl_mul_to_monic 11905684
Flx_blocks_Flm 12802225
FlxV_to_Flm_lg 12803164
Flx_FlxqV_eval_pre 13001895
Flxq_mul 13190428
Flx_Frobenius_pre 13701182
Flx_get_red 14285102
Flx_Fl_mul_pre 18251521
Flv_inv_pre_inplace 18513350
Flv_inv_pre_indir 19112621
Fl_to_Flx 19861612
Flx_eval 20366311
kron_pack_Flx_spec_bits 20720700
Flx_deriv 21149999
_Flxq_one 22204875
Flxq_powers_pre 22206900
_Flxq_powu_i 22860679
_Flxq_pow 23153320
Flxq_pow_Frobenius 23160728
Flxq_powu_pre 24111541
Flxq_pow_pre 24200379
Flv_to_Flx 25248357
Flx_valrem 26290646
Flx_shift 26786962
Flx_mul 27623646
Flx_equal 27717515
Flx_divrem 30289479
Flx_gcd 32466183
Flx_div_by_X_x 32991237
Flx_to_ZX_inplace 36384753
Flx_to_ZX 37106579
Flx_rem 41841894
Flx_eval_powers_pre 43529734
Flx_divrem_basecase 61725116
Flx_normalize 62066692
Flx_add 62585259
Flx_to_Flv 65836334
set_Flxq_pre 69793259
Rg_to_Fl 73126395
Flx_divrem_pre 79160549
Flx_gcd_basecase 82878601
Flx_gcd_pre 84519704
Flx_get_red_pre 97176920
Flx_eval_pre 100651028
Flx_sub 138062521
_Flxq_mul 148420465
ZX_to_Flx 167480627
Flxq_mul_pre 189496034
_Flxq_sqr 268352902
Flxq_sqr_pre 276239802
Flx_sqr_pre 277190673
Flx_sqrspec_basecase 277199414
Flx_sqrspec 277392600
Flx_mulspec_basecase 338812282
Flx_mul_pre 370533273
Flx_mulspec 376183165
Flx_shiftip 624674521
Flx_rem_basecase 784800762
Flx_rem_pre 908097373
get_Flx_red 971470175
Flx_mullimb 1163012115
Flx_renormalize 2106211049
get_Fl_threshold 2287850914
Flx_mullimb_ok 3359949127

Generated by: LCOV version 1.16