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 30497-174c393803) Lines: 2553 2914 87.6 %
Date: 2025-09-15 09:23:33 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 463172
Fl2_inv_pre 202339
Fl2_mul_pre 2015371
Fl2_norm_pre 128078
Fl2_pow_pre 691021
Fl2_sqr_pre 5077251
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78474
Fl_Flxq_log 35547
Fl_Xp1_powu 0
Fl_to_Flx 21220529
Flm_to_FlxV 2772
FlvV_polint_tree 2540976
Flv_Flm_polint 103479
Flv_inv 1744788
Flv_invVandermonde 153445
Flv_inv_i 1756799
Flv_inv_indir 51282
Flv_inv_inplace 12017
Flv_inv_pre 10049
Flv_inv_pre_indir 21427301
Flv_inv_pre_inplace 19696339
Flv_polint 1486580
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745985
Flv_roots_to_pol 795739
Flv_to_Flx 25485186
FlxC_Fl_translate 0
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_eval_powers_pre 325155
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 26000
FlxM_eval_powers_pre 22302
FlxM_max_degree 0
FlxM_max_degree_i 0
FlxM_mul 0
FlxM_mul2 7099
FlxM_mul_Kronecker_i 81581
FlxM_neg 0
FlxM_pack_ZM 46835
FlxM_pack_ZM_bits 116239
FlxM_sub 0
FlxM_to_FlxXV 0
FlxM_to_ZXM 2485
FlxT_red 294125
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28989
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171888
FlxV_to_Flm_lg 12970345
FlxV_to_FlxX 397977
FlxV_to_ZXV 606888
FlxV_to_ZXV_inplace 3031350
Flx_Fl2_eval_pre 10528
Flx_Fl_add 10027685
Flx_Fl_mul 7325911
Flx_Fl_mul_pre 18289961
Flx_Fl_mul_to_monic 12027094
Flx_Fl_sub 151840
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786291
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168914
Flx_Flxq_eval 790631
Flx_Flxq_eval_pre 2444589
Flx_Frobenius 86485
Flx_Frobenius_pre 13812020
Flx_Laplace 27370
Flx_Newton 54157
Flx_add 64863667
Flx_addmulmul 416643
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 516988
Flx_blocks_Flm 12969273
Flx_composedprod 0
Flx_composedsum 27578
Flx_convol 0
Flx_deflate 420981
Flx_deriv 22986794
Flx_diff1 13482
Flx_digits 0
Flx_div_by_X_x 34774554
Flx_divrem 30450741
Flx_divrem_Barrett 604635
Flx_divrem_Barrettspec 905316
Flx_divrem_basecase 62300795
Flx_divrem_pre 79737956
Flx_double 2445177
Flx_equal 27173389
Flx_eval 20425644
Flx_eval2BILspec 579101
Flx_eval_powers_pre 48571517
Flx_eval_pre 136389110
Flx_extgcd 857240
Flx_extgcd_basecase 6286195
Flx_extgcd_halfgcd 146592
Flx_extgcd_pre 6286188
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109428
Flx_gcd 34257298
Flx_gcd_basecase 85199262
Flx_gcd_pre 86858539
Flx_get_red 14503444
Flx_get_red_pre 97580531
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128300
Flx_halfgcd_all_pre 1128302
Flx_halfgcd_pre 874443
Flx_halfres_basecase 1135379
Flx_halfres_i 1155345
Flx_halfres_pre 1044
Flx_halfres_split 19963
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160502
Flx_integ 0
Flx_integXn 422836
Flx_invBarrett 0
Flx_invBarrett_Newton 23159
Flx_invBarrett_basecase 134341
Flx_invBarrett_pre 158800
Flx_invLaplace 54442
Flx_is_l_pow 8179
Flx_is_smooth 74256
Flx_is_smooth_pre 118811
Flx_is_smooth_squarefree 126954
Flx_is_squarefree 9184017
Flx_lgrenormalizespec 2132979
Flx_matFrobenius 0
Flx_matFrobenius_pre 86571
Flx_mod_Xn1 31761
Flx_mod_Xnm1 5057504
Flx_mul 27827079
Flx_mul_pre 377547740
Flx_mulhigh_i 938787
Flx_mullimb 1184770128
Flx_mullimb_ok 3384610212
Flx_mulspec 383219723
Flx_mulspec_Kronecker 7264006
Flx_mulspec_basecase 345911995
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10126
Flx_mulspec_mulii_inflate 282095
Flx_mulspec_quartmulii 97179
Flx_neg 3264428
Flx_neg_inplace 1756920
Flx_negspec 3264420
Flx_normalize 63992935
Flx_powu 0
Flx_powu_pre 3916
Flx_recip 0
Flx_recipspec 7294094
Flx_red 1880674
Flx_rem 42211388
Flx_rem_basecase 802409082
Flx_rem_pre 926503749
Flx_renormalize 2154069678
Flx_rescale 1117
Flx_resultant 4734199
Flx_resultant_basecase_pre 14620252
Flx_resultant_pre 14622303
Flx_shift 27395508
Flx_shiftip 633116917
Flx_splitting 147323
Flx_sqr 354618
Flx_sqr_pre 278674046
Flx_sqrspec 279024365
Flx_sqrspec_Kronecker 691157
Flx_sqrspec_basecase 279069800
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2067
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138681652
Flx_subspec 897790
Flx_to_Flv 66638637
Flx_to_FlxX 71629
Flx_to_ZX 38306121
Flx_to_ZX_inplace 36574620
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204576
Flx_translate1 16142
Flx_translate1_basecase 28236
Flx_triple 1049887
Flx_unscale 0
Flx_val 4488309
Flx_valrem 27449235
Flxn_div 55186
Flxn_div_pre 55223
Flxn_exp 0
Flxn_expint 109425
Flxn_inv 1037
Flxn_mul 75872
Flxn_mul_pre 5163220
Flxn_mulhigh 516868
Flxn_recip 217392
Flxn_red 6334634
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqC_red_pre 234845
FlxqM_Flxq_mul 0
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
FlxqV_dotproduct 0
FlxqV_dotproduct_pre 113589
FlxqX_dotproduct 1918
Flxq_autpow 7
Flxq_autpow_msqr 20696
Flxq_autpow_pre 67491
Flxq_autpow_sqr 46250
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112476
Flxq_autsum_pre 98769
Flxq_autsum_sqr 105113
Flxq_auttrace 0
Flxq_auttrace_mul 782883
Flxq_auttrace_pre 962498
Flxq_auttrace_sqr 655337
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417764
Flxq_easylog 519200
Flxq_inv 335769
Flxq_inv_pre 4284221
Flxq_invsafe 670643
Flxq_invsafe_pre 5428963
Flxq_is2npower 0
Flxq_issquare 404492
Flxq_log 164217
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_lroot_fast_pre 113589
Flxq_lroot_pre 25053
Flxq_matrix_pow 399
Flxq_matrix_pow_pre 170668
Flxq_minpoly 44915
Flxq_minpoly_pre 810919
Flxq_mul 13191035
Flxq_mul_pre 189522295
Flxq_norm 443322
Flxq_order 97328
Flxq_pow 948294
Flxq_pow_Frobenius 22668593
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23725732
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232069
Flxq_powers_pre 22437301
Flxq_powu 488419
Flxq_powu_pre 24359966
Flxq_sqr 2759496
Flxq_sqr_pre 277709525
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35707
Flxq_sqrtn 20456
Flxq_sqrtn_spec_pre 19262
Flxq_sumautsum_msqr 40558
Flxq_sumautsum_pre 208704
Flxq_sumautsum_sqr 292682
Flxq_trace 4696
Flxq_transmul 4218559
Flxq_transmul_init 1748863
RgXV_to_FlxV 7
RgX_to_Flx 2250309
Rg_to_F2 1706908
Rg_to_Fl 73224290
Rg_to_Flxq 3598607
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813496
ZXV_to_FlxV 0
ZX_to_Flx 171026370
Z_mod2BIL_Flx 293617
Z_mod2BIL_Flx_2 296547
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561349
ZpX_invLaplace_init 497
_Fl2_mul 1986940
_Fl2_pow 691010
_Fl2_rand 118334
_Fl2_sqr 5077288
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11010261
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 148352482
_Flxq_neg 366572
_Flxq_one 22438539
_Flxq_pow 22661185
_Flxq_powu 68
_Flxq_powu_i 23105071
_Flxq_rand 5570
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 269931283
bounded_order 394034
gener_Flxq 7201
get_Fl_threshold 2330624418
get_Flx_red 990536311
get_Flxq_field 68902
get_Flxq_star 280807
init_invlaplace 12514
int_to_Flx 12212
int_to_Flx_half 507268
int_to_Flx_quart 107397
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20812396
kron_pack_Flx_spec_half 688104
kron_unpack_Flx 42785
kron_unpack_Flx_2 2930
kron_unpack_Flx_3 0
kron_unpack_Flx_bits_narrow 5657275
kron_unpack_Flx_bits_wide 5579796
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8377699
mkF2 7563519
monomial_Flx 942867
random_Flx 2646961
set_Flxq 68922
set_Flxq_pre 69823241
translate_basecase 41401
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6524219

Generated by: LCOV version 1.16