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 30391-f41a6adeb0) Lines: 2553 2914 87.6 %
Date: 2025-07-14 09:22:41 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 2065
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 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5484
_Flxq_rand 5576
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7098
gener_Flxq 7201
Flx_powu_pre 7895
Flx_is_l_pow 8094
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 10047
Flx_mulspec_mulii 10133
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 12216
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 20700
FlxM_eval_powers_pre 22302
ZM_unpack_FlxM 23421
Flx_invBarrett_Newton 23515
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27369
Flx_composedsum 27576
Flx_translate1_basecase 28236
FlxV_composedsum 28993
Flx_mod_Xn1 31764
FlxV_Flc_mul 34482
Fl_Flxq_log 35542
Flxq_sqrtl_spec_pre 35707
Flxq_sumautsum_msqr 40558
translate_basecase 41401
kron_unpack_Flx 42785
Flxq_minpoly 44915
Flxq_autpow_sqr 46262
FlxM_pack_ZM 46835
Flv_inv_indir 51282
kron_pack_Flx_spec 53168
Flx_Newton 54151
Flx_invLaplace 54406
Flxn_div 55198
Flxn_div_pre 55227
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65765
Flxq_autpow_pre 67497
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flx_to_FlxX 71629
Flx_is_smooth 74256
Flxn_mul 75874
Fl2_sqrtn_pre 78454
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_Frobenius 86486
Flx_matFrobenius_pre 86571
Flx_mulspec_quartmulii 97165
Flxq_order 97328
Flxq_autsum_pre 98775
Flv_Flm_polint 103476
FlxC_to_ZXC 104060
Flxq_autsum_sqr 105129
int_to_Flx_quart 107385
Flxn_expint 109429
Flx_fromNewton 109433
Flxq_autsum_mul 112496
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 117881
_Fl2_rand 118347
Flx_is_smooth_squarefree 125960
Fl2_norm_pre 128074
Flx_invBarrett_basecase 134460
Flx_extgcd_halfgcd 146590
Flx_splitting 147552
Flx_Fl_sub 151840
Flv_invVandermonde 153445
Flx_invBarrett_pre 159275
Flx_inflate 160289
Flxq_log 164217
Flxq_matrix_pow_pre 170668
FlxV_to_Flm 171885
Fl2_inv_pre 202172
Flx_to_int_quartspec 204548
Flxq_sumautsum_pre 208704
Flxn_recip 217433
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_powers 232070
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 280807
Flx_mulspec_mulii_inflate 282090
Flxq_sumautsum_sqr 292682
Z_mod2BIL_Flx 293612
FlxT_red 296192
Z_mod2BIL_Flx_2 296542
FlxC_eval_powers_pre 325156
Flxq_inv 335770
Flx_sqr 354659
_Flxq_neg 366572
_Flx_add 389834
bounded_order 394048
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416639
Flx_deflate 420952
Flx_integXn 422836
Flxq_norm 443328
Fl2_equal1 462745
Flx_to_int_halfspec 468821
Flxq_powu 488426
int_to_Flx_half 507268
Flxn_mulhigh 516977
Flx_blocks 517075
Flxq_easylog 519224
Flx_eval2BILspec 579091
Flx_divrem_Barrett 605663
FlxV_to_ZXV 606890
Flxq_auttrace_sqr 655334
Flxq_invsafe 670626
kron_pack_Flx_spec_half 688104
_Fl2_pow 690449
Fl2_pow_pre 690459
Flx_sqrspec_Kronecker 691213
Flxq_auttrace_mul 782863
Flx_Flxq_eval 790637
Flv_roots_to_pol 795617
Flxq_minpoly_pre 810722
Flx_extgcd 857197
Flx_halfgcd_pre 874358
Flx_subspec 899155
Flx_divrem_Barrettspec 906776
Flxq_pow 932602
Flx_mulhigh_i 938805
monomial_Flx 942780
Flxq_auttrace_pre 962244
Flx_triple 1049887
Flx_halfgcd_all_i 1127926
Flx_halfgcd_all_pre 1127932
Flx_halfres_basecase 1135004
Flx_halfres_i 1154970
_Flxq_rmul 1461838
Flv_polint 1486682
_Flxq_red 1550928
Rg_to_F2 1706852
Flv_inv 1744882
Flv_producttree 1746087
Flxq_transmul_init 1748674
Flv_inv_i 1756892
Flx_neg_inplace 1758072
Flx_Flv_multieval_tree 1786388
Flx_red 1882522
_Fl2_mul 1986298
Fl2_mul_pre 2014732
Flx_lgrenormalizespec 2144390
RgX_to_Flx 2250309
Flxq_div_pre 2417764
Flx_Flxq_eval_pre 2444100
Flx_double 2445177
FlvV_polint_tree 2540841
random_Flx 2646663
Flxq_sqr 2759494
FlxV_to_ZXV_inplace 3028155
Flx_negspec 3264912
Flx_neg 3264917
Rg_to_Flxq 3598592
Flx_addshift 3687271
ZXT_to_FlxT 3798371
Flxq_transmul 4218095
Flxq_inv_pre 4284265
Flx_val 4493853
Flx_resultant 4734145
Flx_mod_Xnm1 5058072
Fl2_sqr_pre 5076670
_Fl2_sqr 5076670
Flxn_mul_pre 5163294
Flxq_invsafe_pre 5429003
kron_unpack_Flx_bits_wide 5589725
kron_unpack_Flx_bits_narrow 5658981
Flx_extgcd_pre 6286186
Flx_extgcd_basecase 6286193
Flxn_red 6335024
zx_to_Flx 6531147
Flx_addspec 7174962
Flx_mulspec_Kronecker 7275561
Flx_recipspec 7296755
Flx_Fl_mul 7326360
Z_to_Flx 7561528
mkF2 7562378
maxbitcoeffpol 8389528
Flx_is_squarefree 9183381
Flx_Fl_add 10025639
_Flx_mul 11010199
Flx_Fl_mul_to_monic 12024615
Flx_blocks_Flm 12969021
FlxV_to_Flm_lg 12969980
Flx_FlxqV_eval_pre 13168523
Flxq_mul 13191069
Flx_Frobenius_pre 13805425
Flx_get_red 14493011
Flx_resultant_basecase_pre 14660066
Flx_resultant_pre 14662072
Flx_Fl_mul_pre 18288900
Flv_inv_pre_inplace 19660707
Flx_eval 20421956
kron_pack_Flx_spec_bits 20834930
Fl_to_Flx 21215815
Flv_inv_pre_indir 21393709
_Flxq_one 22425418
Flxq_powers_pre 22425539
_Flxq_pow 22602110
Flxq_pow_Frobenius 22609523
Flx_deriv 22979304
_Flxq_powu_i 23095230
Flxq_pow_pre 23650974
Flxq_powu_pre 24350402
Flv_to_Flx 25484482
Flx_equal 27167079
Flx_shift 27389210
Flx_valrem 27453987
Flx_mul 27821492
Flx_divrem 30447632
Flx_gcd 34244979
Flx_div_by_X_x 34772221
Flx_to_ZX_inplace 36556396
Flx_to_ZX 38284093
Flx_rem 42213884
Flx_eval_powers_pre 49701398
Flx_divrem_basecase 62268501
Flx_normalize 63986373
Flx_add 64881115
Flx_to_Flv 66630184
set_Flxq_pre 69726906
Rg_to_Fl 73222078
Flx_divrem_pre 79706970
Flx_gcd_basecase 85167997
Flx_gcd_pre 86822816
Flx_get_red_pre 97471078
Flx_sub 138661112
Flx_eval_pre 138759381
_Flxq_mul 148131755
ZX_to_Flx 170951412
Flxq_mul_pre 189313496
_Flxq_sqr 269631783
Flxq_sqr_pre 277449288
Flx_sqr_pre 278431915
Flx_sqrspec 278784753
Flx_sqrspec_basecase 278868889
Flx_mulspec_basecase 345752158
Flx_mul_pre 377415327
Flx_mulspec 383086096
Flx_shiftip 632823653
Flx_rem_basecase 801881631
Flx_rem_pre 926019160
get_Flx_red 990024373
Flx_mullimb 1185716259
Flx_renormalize 2153646087
get_Fl_threshold 2328969100
Flx_mullimb_ok 3381612785

Generated by: LCOV version 1.16