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 30401-87099e65a6) Lines: 2553 2914 87.6 %
Date: 2025-07-18 09:23:12 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_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_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_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_halfgcd_all 154
Flx_sqrspec_halfsqri 325
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 2068
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxM_to_ZXM 2485
Flm_to_FlxV 2772
kron_unpack_Flx_2 2930
Flv_prod_pre 3304
kron_pack_Flx_spec_2 3389
Flxq_charpoly 3624
_Flx_composedsum 3910
Flx_powu_pre 3932
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 5583
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8172
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10047
Flx_mulspec_mulii 10144
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10528
Flx_sqrspec_sqri_inflate 11522
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12215
init_invlaplace 12514
Flx_diff1 13482
Flx_halve 14047
Flx_translate1 16142
Flxq_sqrtn_spec_pre 19261
Flx_halfres_split 19963
Flxq_sqrtn 20456
Flxq_autpow_msqr 20698
FlxM_eval_powers_pre 22302
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27353
Flx_composedsum 27580
Flx_translate1_basecase 28236
FlxV_composedsum 28991
Flx_mod_Xn1 31764
FlxV_Flc_mul 34482
Fl_Flxq_log 35545
Flxq_sqrtl_spec_pre 35706
Flxq_sumautsum_msqr 40558
translate_basecase 41401
kron_unpack_Flx 42785
Flxq_minpoly 44915
Flxq_autpow_sqr 46253
FlxM_pack_ZM 46835
Flv_inv_indir 51283
kron_pack_Flx_spec 53168
Flx_Newton 54159
Flx_invLaplace 54411
Flxn_div 55209
Flxn_div_pre 55230
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67490
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71629
Flx_is_smooth 74256
Flxn_mul 75868
Fl2_sqrtn_pre 78437
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86485
Flx_matFrobenius_pre 86570
Flx_mulspec_quartmulii 97167
Flxq_order 97328
Flxq_autsum_pre 98768
Flv_Flm_polint 103473
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105110
int_to_Flx_quart 107385
Flxn_expint 109422
Flx_fromNewton 109428
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118271
_Fl2_rand 118348
Flx_is_smooth_squarefree 126468
Fl2_norm_pre 128099
Flx_invBarrett_basecase 134339
Flx_extgcd_halfgcd 146592
Flx_splitting 147438
Flx_Fl_sub 151839
Flv_invVandermonde 153445
Flx_invBarrett_pre 158800
Flx_inflate 160422
Flxq_log 164217
Flxq_matrix_pow_pre 170664
FlxV_to_Flm 171883
Fl2_inv_pre 202091
Flx_to_int_quartspec 204552
Flxq_sumautsum_pre 208704
Flxn_recip 217439
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232078
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 282096
Flxq_sumautsum_sqr 292682
Z_mod2BIL_Flx 293618
FlxT_red 295175
Z_mod2BIL_Flx_2 296548
FlxC_eval_powers_pre 325158
Flxq_inv 335770
Flx_sqr 354646
_Flxq_neg 366572
_Flx_add 389834
bounded_order 394045
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416645
Flx_deflate 420964
Flx_integXn 422786
Flxq_norm 443320
Fl2_equal1 462740
Flx_to_int_halfspec 468821
Flxq_powu 488416
int_to_Flx_half 507268
Flxn_mulhigh 517007
Flx_blocks 517073
Flxq_easylog 519210
Flx_eval2BILspec 579103
Flx_divrem_Barrett 604913
FlxV_to_ZXV 606898
Flxq_auttrace_sqr 655338
Flxq_invsafe 670638
kron_pack_Flx_spec_half 688104
_Fl2_pow 690364
Fl2_pow_pre 690379
Flx_sqrspec_Kronecker 691180
Flxq_auttrace_mul 782857
Flx_Flxq_eval 790617
Flv_roots_to_pol 795564
Flxq_minpoly_pre 810727
Flx_extgcd 857185
Flx_halfgcd_pre 874274
Flx_subspec 898213
Flx_divrem_Barrettspec 905780
Flxq_pow 932658
Flx_mulhigh_i 938796
monomial_Flx 942699
Flxq_auttrace_pre 962244
Flx_triple 1049887
Flx_halfgcd_all_i 1127759
Flx_halfgcd_all_pre 1127763
Flx_halfres_basecase 1134838
Flx_halfres_i 1154803
_Flxq_rmul 1461838
Flv_polint 1486556
_Flxq_red 1550928
Rg_to_F2 1706826
Flv_inv 1744750
Flv_producttree 1745952
Flxq_transmul_init 1748530
Flv_inv_i 1756762
Flx_neg_inplace 1756920
Flx_Flv_multieval_tree 1786252
Flx_red 1881585
_Fl2_mul 1986023
Fl2_mul_pre 2014459
Flx_lgrenormalizespec 2133898
RgX_to_Flx 2250312
Flxq_div_pre 2417764
Flx_Flxq_eval_pre 2444100
Flx_double 2445177
FlvV_polint_tree 2540443
random_Flx 2646585
Flxq_sqr 2759485
FlxV_to_ZXV_inplace 3028137
Flx_negspec 3264687
Flx_neg 3264706
Rg_to_Flxq 3598630
Flx_addshift 3684967
ZXT_to_FlxT 3798187
Flxq_transmul 4217761
Flxq_inv_pre 4284241
Flx_val 4481636
Flx_resultant 4734163
Flx_mod_Xnm1 5057017
Fl2_sqr_pre 5075727
_Fl2_sqr 5075729
Flxn_mul_pre 5163258
Flxq_invsafe_pre 5429039
kron_unpack_Flx_bits_wide 5579137
kron_unpack_Flx_bits_narrow 5658100
Flx_extgcd_basecase 6286209
Flx_extgcd_pre 6286218
Flxn_red 6333995
zx_to_Flx 6514780
Flx_addspec 7170354
Flx_mulspec_Kronecker 7263085
Flx_recipspec 7294275
Flx_Fl_mul 7326328
Z_to_Flx 7561325
mkF2 7561980
maxbitcoeffpol 8376415
Flx_is_squarefree 9183688
Flx_Fl_add 10022737
_Flx_mul 11000109
Flx_Fl_mul_to_monic 12022931
Flx_blocks_Flm 12968577
FlxV_to_Flm_lg 12969682
Flx_FlxqV_eval_pre 13168426
Flxq_mul 13191066
Flx_Frobenius_pre 13805431
Flx_get_red 14492738
Flx_resultant_basecase_pre 14620521
Flx_resultant_pre 14622434
Flx_Fl_mul_pre 18289588
Flv_inv_pre_inplace 19650278
Flx_eval 20422811
kron_pack_Flx_spec_bits 20810631
Fl_to_Flx 21218219
Flv_inv_pre_indir 21372628
_Flxq_one 22423593
Flxq_powers_pre 22423915
Flx_deriv 22980202
_Flxq_powu_i 23095488
_Flxq_pow 23395336
Flxq_pow_Frobenius 23402742
Flxq_powu_pre 24350741
Flxq_pow_pre 24444264
Flv_to_Flx 25484069
Flx_shift 27388558
Flx_valrem 27442496
Flx_mul 27819855
Flx_equal 27961830
Flx_divrem 30449219
Flx_gcd 34248627
Flx_div_by_X_x 34758750
Flx_to_ZX_inplace 36560190
Flx_to_ZX 38285166
Flx_rem 42214938
Flx_eval_powers_pre 48506380
Flx_divrem_basecase 62280354
Flx_normalize 63947874
Flx_add 64851004
Flx_to_Flv 66628345
set_Flxq_pre 70520319
Rg_to_Fl 73222105
Flx_divrem_pre 79723318
Flx_gcd_basecase 85177921
Flx_gcd_pre 86837069
Flx_get_red_pre 98271033
Flx_eval_pre 136406823
Flx_sub 138660768
_Flxq_mul 149813672
ZX_to_Flx 170957346
Flxq_mul_pre 191025696
_Flxq_sqr 270897388
Flxq_sqr_pre 278876507
Flx_sqrspec_basecase 279271920
Flx_sqr_pre 279884337
Flx_sqrspec 279980946
Flx_mulspec_basecase 347064642
Flx_mul_pre 379078868
Flx_mulspec 384627463
Flx_shiftip 635079614
Flx_rem_basecase 804039396
Flx_rem_pre 928523896
get_Flx_red 992517430
Flx_mullimb 1183135109
Flx_renormalize 2157889482
get_Fl_threshold 2337874980
Flx_mullimb_ok 3412414659

Generated by: LCOV version 1.16