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 30365-beea1ff998) Lines: 2553 2914 87.6 %
Date: 2025-07-02 09:21:24 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 324
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 2262
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
Flxq_pow_table_pre 4391
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5481
_Flxq_rand 5583
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_powu_pre 7921
Flx_is_l_pow 8177
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10038
Flx_mulspec_mulii 10145
Flx_sqrspec_quartsqri 10218
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 14047
Flx_translate1 16142
Flxq_sqrtn_spec_pre 19262
Flx_halfres_split 19964
Flxq_sqrtn 20456
Flxq_autpow_msqr 20696
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 27373
Flx_composedsum 27589
Flx_translate1_basecase 28236
FlxV_composedsum 28994
Flx_mod_Xn1 31764
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 44915
Flxq_autpow_sqr 46252
FlxM_pack_ZM 46835
Flv_inv_indir 51381
kron_pack_Flx_spec 53168
Flx_Newton 54175
Flx_invLaplace 54420
Flxn_div 55228
Flxn_div_pre 55240
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67493
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71629
Flx_is_smooth 74256
Flxn_mul 75867
Fl2_sqrtn_pre 78685
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86568
Flx_mulspec_quartmulii 97166
Flxq_order 97328
Flxq_autsum_pre 98768
Flv_Flm_polint 103577
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105110
int_to_Flx_quart 107385
Flxn_expint 109431
Flx_fromNewton 109433
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118406
_Fl2_rand 118755
Flx_is_smooth_squarefree 126637
Fl2_norm_pre 127093
Flx_invBarrett_basecase 134328
Flx_extgcd_halfgcd 146590
Flx_splitting 147608
Flx_Fl_sub 151843
Flv_invVandermonde 153445
Flx_invBarrett_pre 158789
Flx_inflate 160638
Flxq_log 164217
Flxq_matrix_pow_pre 170668
FlxV_to_Flm 171886
Fl2_inv_pre 202501
Flx_to_int_quartspec 204549
Flxq_sumautsum_pre 208704
Flxn_recip 217513
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232068
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 284166
Flxq_sumautsum_sqr 292682
Z_mod2BIL_Flx 295664
FlxT_red 296647
Z_mod2BIL_Flx_2 298594
FlxC_eval_powers_pre 325155
Flxq_inv 335768
Flx_sqr 354675
_Flxq_neg 366572
Flv_polint 368511
_Flx_add 389834
bounded_order 394046
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416641
Flx_deflate 420980
Flx_integXn 422841
Flxq_norm 443326
Fl2_equal1 463829
Flx_to_int_halfspec 468814
Flxq_powu 488426
int_to_Flx_half 507265
Flxn_mulhigh 517064
Flx_blocks 517122
Flxq_easylog 519205
Flx_eval2BILspec 583219
Flx_divrem_Barrett 605029
FlxV_to_ZXV 606888
Flv_inv 626804
Flv_producttree 628013
Flv_inv_i 638820
Flxq_auttrace_sqr 655317
Flx_Flv_multieval_tree 668313
Flxq_invsafe 670606
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 690285
_Fl2_pow 691957
Fl2_pow_pre 691969
Flxq_auttrace_mul 782833
Flx_Flxq_eval 790612
Flv_roots_to_pol 797666
Flxq_minpoly_pre 810674
Flx_extgcd 857188
Flx_halfgcd_pre 874332
Flx_subspec 898265
Flx_divrem_Barrettspec 905749
Flxq_pow 932569
Flx_mulhigh_i 938994
monomial_Flx 942760
Flxq_auttrace_pre 962207
Flx_triple 1049887
Flx_halfgcd_all_pre 1127915
Flx_halfgcd_all_i 1127916
Flx_halfres_basecase 1134994
Flx_halfres_i 1154960
FlvV_polint_tree 1424460
_Flxq_rmul 1461838
_Flxq_red 1550928
Rg_to_F2 1706863
Flxq_transmul_init 1748638
Flx_neg_inplace 1756902
Flx_red 1882912
_Fl2_mul 1995357
Fl2_mul_pre 2023785
Flx_lgrenormalizespec 2133831
RgX_to_Flx 2250314
Flxq_div_pre 2417764
Flx_Flxq_eval_pre 2444054
Flx_double 2445177
Z_to_Flx 2631516
random_Flx 2646651
Flxq_sqr 2759489
FlxV_to_ZXV_inplace 3028161
Flx_negspec 3265091
Flx_neg 3265093
Rg_to_Flxq 3598613
Flx_addshift 3684621
ZXT_to_FlxT 3798250
Flxq_transmul 4218010
Flxq_inv_pre 4284256
Flx_val 4471824
Flx_resultant 4734200
_Fl2_sqr 5104188
Fl2_sqr_pre 5104246
Flxn_mul_pre 5164239
Flx_mod_Xnm1 5177170
Flxq_invsafe_pre 5428980
kron_unpack_Flx_bits_wide 5583988
kron_unpack_Flx_bits_narrow 5658279
Flx_extgcd_pre 6286141
Flx_extgcd_basecase 6286150
Flxn_red 6335311
zx_to_Flx 6486495
Flx_addspec 7169811
Flx_mulspec_Kronecker 7268789
Flx_recipspec 7294683
Flx_Fl_mul 7326089
mkF2 7601242
maxbitcoeffpol 8383286
Flx_is_squarefree 9183417
Flx_Fl_add 10145298
Flx_resultant_basecase_pre 10272820
Flx_resultant_pre 10274703
_Flx_mul 11022915
Flx_Fl_mul_to_monic 12139273
Flx_blocks_Flm 12968040
FlxV_to_Flm_lg 12968779
Flx_FlxqV_eval_pre 13167577
Flxq_mul 13191092
Flx_Frobenius_pre 13803875
Flx_get_red 14490736
Flx_Fl_mul_pre 18289575
Flv_inv_pre_inplace 19660189
Flv_inv_pre_indir 20265776
Fl_to_Flx 20367064
Flx_eval 20420064
kron_pack_Flx_spec_bits 20821484
Flx_deriv 21861388
_Flxq_one 22417236
Flxq_powers_pre 22420364
_Flxq_powu_i 23215649
_Flxq_pow 24377929
Flxq_pow_Frobenius 24385336
Flxq_powu_pre 24472061
Flxq_pow_pre 25426834
Flv_to_Flx 25482901
Flx_shift 27390889
Flx_valrem 27592951
Flx_mul 27778543
Flx_equal 28944446
Flx_divrem 30447809
Flx_gcd 34068052
Flx_div_by_X_x 34735859
Flx_to_ZX_inplace 36555337
Flx_to_ZX 37308781
Flx_rem 42213601
Flx_eval_powers_pre 48396037
Flx_divrem_basecase 62270297
Flx_add 63389275
Flx_normalize 64210448
Flx_to_Flv 66627555
set_Flxq_pre 71616653
Rg_to_Fl 73221877
Flx_divrem_pre 79710721
Flx_gcd_basecase 85103371
Flx_gcd_pre 86766419
Flx_get_red_pre 99358324
Flx_eval_pre 100786341
Flx_sub 138653385
_Flxq_mul 152578554
ZX_to_Flx 169914915
Flxq_mul_pre 193788737
_Flxq_sqr 274002867
Flxq_sqr_pre 282009361
Flx_sqrspec_basecase 282289883
Flx_sqr_pre 283004198
Flx_sqrspec 283077987
Flx_mulspec_basecase 345426784
Flx_mul_pre 377418772
Flx_mulspec 382946565
Flx_shiftip 636473315
Flx_rem_basecase 798246995
Flx_rem_pre 922980927
get_Flx_red 986970553
Flx_mullimb 1172337689
Flx_renormalize 2137874493
get_Fl_threshold 2330370782
Flx_mullimb_ok 3439048178

Generated by: LCOV version 1.16