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 30587-f85873d515) Lines: 2553 2925 87.3 %
Date: 2025-12-28 09:21:53 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 449704
Fl2_inv_pre 197232
Fl2_mul_pre 1951521
Fl2_norm_pre 127542
Fl2_pow_pre 671394
Fl2_sqr_pre 4906030
Fl2_sqrt_pre 65849
Fl2_sqrtn_pre 75991
Fl_Flxq_log 35542
Fl_Xp1_powu 0
Fl_to_Flx 21935993
Flm_to_FlxV 2772
FlvV_polint_tree 2587589
Flv_Flm_polint 104561
Flv_inv 1744464
Flv_invVandermonde 153445
Flv_inv_i 1756471
Flv_inv_indir 52211
Flv_inv_inplace 12017
Flv_inv_pre 9646
Flv_inv_pre_indir 21024558
Flv_inv_pre_inplace 19298645
Flv_polint 1485185
Flv_prod 0
Flv_prod_pre 3719
Flv_producttree 1745677
Flv_roots_to_pol 842172
Flv_to_Flx 25485735
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 325159
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 297182
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28967
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171882
FlxV_to_Flm_lg 12966928
FlxV_to_FlxX 397977
FlxV_to_ZXV 606739
FlxV_to_ZXV_inplace 3031493
Flx_Fl2_eval_pre 10773
Flx_Fl_add 9847162
Flx_Fl_mul 7328387
Flx_Fl_mul_pre 18293613
Flx_Fl_mul_to_monic 11857606
Flx_Fl_sub 151680
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1785975
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13165566
Flx_Flxq_eval 791290
Flx_Flxq_eval_pre 2444566
Flx_Frobenius 86618
Flx_Frobenius_pre 13811788
Flx_Laplace 27354
Flx_Newton 54106
Flx_add 66119116
Flx_addmulmul 416799
Flx_addshift 3724675
Flx_addspec 7250880
Flx_blocks 517172
Flx_blocks_Flm 12966272
Flx_composedprod 0
Flx_composedsum 27559
Flx_convol 0
Flx_deflate 420790
Flx_deriv 22982378
Flx_diff1 14448
Flx_digits 0
Flx_div_by_X_x 36554189
Flx_divrem 30445173
Flx_divrem_Barrett 605426
Flx_divrem_Barrettspec 906708
Flx_divrem_basecase 62285453
Flx_divrem_pre 79725169
Flx_double 2443925
Flx_equal 28388909
Flx_eval 20408031
Flx_eval2BILspec 603295
Flx_eval_powers_pre 48551194
Flx_eval_pre 136125011
Flx_extgcd 856678
Flx_extgcd_basecase 6286136
Flx_extgcd_halfgcd 146651
Flx_extgcd_pre 6286107
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109404
Flx_gcd 35016960
Flx_gcd_basecase 85771313
Flx_gcd_pre 87425571
Flx_get_red 14502486
Flx_get_red_pre 98553012
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1127281
Flx_halfgcd_all_pre 1127286
Flx_halfgcd_pre 873172
Flx_halfres_basecase 1134355
Flx_halfres_i 1154325
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14026
Flx_inflate 160818
Flx_integ 0
Flx_integXn 422827
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134390
Flx_invBarrett_pre 158852
Flx_invLaplace 54390
Flx_is_l_pow 8217
Flx_is_smooth 74256
Flx_is_smooth_pre 119177
Flx_is_smooth_squarefree 127376
Flx_is_squarefree 9180519
Flx_lgrenormalizespec 2135836
Flx_matFrobenius 0
Flx_matFrobenius_pre 86566
Flx_mod_Xn1 31511
Flx_mod_Xnm1 4908199
Flx_mul 27815542
Flx_mul_pre 382079862
Flx_mulhigh_i 939048
Flx_mullimb 1189013731
Flx_mullimb_ok 3407251539
Flx_mulspec 387654937
Flx_mulspec_Kronecker 7352555
Flx_mulspec_basecase 350165767
Flx_mulspec_halfmulii 5463
Flx_mulspec_mulii 10143
Flx_mulspec_mulii_inflate 294046
Flx_mulspec_quartmulii 97155
Flx_neg 3265077
Flx_neg_inplace 1777875
Flx_negspec 3265074
Flx_normalize 64830166
Flx_powu 0
Flx_powu_pre 3963
Flx_recip 0
Flx_recipspec 7289513
Flx_red 1882615
Flx_rem 42222187
Flx_rem_basecase 803022710
Flx_rem_pre 926896814
Flx_renormalize 2160522228
Flx_rescale 1117
Flx_resultant 4733779
Flx_resultant_basecase_pre 14597831
Flx_resultant_pre 14600023
Flx_shift 27379632
Flx_shiftip 636227284
Flx_splitting 147664
Flx_sqr 354740
Flx_sqr_pre 277218375
Flx_sqrspec 277506855
Flx_sqrspec_Kronecker 695102
Flx_sqrspec_basecase 277648840
Flx_sqrspec_halfsqri 136
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2069
Flx_sqrspec_sqri_inflate 11814
Flx_sub 138640273
Flx_subspec 899189
Flx_to_Flv 66639195
Flx_to_FlxX 71405
Flx_to_ZX 38297961
Flx_to_ZX_inplace 36566256
Flx_to_int_halfspec 468590
Flx_to_int_quartspec 204532
Flx_translate1 17108
Flx_translate1_basecase 29202
Flx_triple 1049261
Flx_unscale 0
Flx_val 4469712
Flx_valrem 28473909
Flxn_div 55182
Flxn_div_pre 55207
Flxn_exp 0
Flxn_expint 109403
Flxn_inv 1037
Flxn_mul 75847
Flxn_mul_pre 5160231
Flxn_mulhigh 517083
Flxn_recip 217439
Flxn_red 6331745
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 69450
Flxq_autpow_sqr 47313
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112472
Flxq_autsum_pre 98768
Flxq_autsum_sqr 105110
Flxq_auttrace 0
Flxq_auttrace_mul 779992
Flxq_auttrace_pre 959859
Flxq_auttrace_sqr 652683
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2416819
Flxq_easylog 519383
Flxq_inv 335768
Flxq_inv_pre 4286516
Flxq_invsafe 670350
Flxq_invsafe_pre 5429437
Flxq_is2npower 0
Flxq_issquare 404492
Flxq_log 164216
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_lroot_fast_pre 113589
Flxq_lroot_pre 25053
Flxq_matrix_pow 399
Flxq_matrix_pow_pre 170661
Flxq_minpoly 45937
Flxq_minpoly_pre 809658
Flxq_mul 13192517
Flxq_mul_pre 190877669
Flxq_norm 443123
Flxq_order 97328
Flxq_pow 948276
Flxq_pow_Frobenius 23828887
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 24892363
Flxq_pow_table 0
Flxq_pow_table_pre 4392
Flxq_powers 232010
Flxq_powers_pre 22433722
Flxq_powu 488336
Flxq_powu_pre 24180170
Flxq_sqr 2763150
Flxq_sqr_pre 276287961
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_sqrtl_spec_pre 37667
Flxq_sqrtn 23094
Flxq_sqrtn_spec_pre 21901
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4212558
Flxq_transmul_init 1746310
RgXV_to_FlxV 7
RgX_to_Flx 2249943
Rg_to_F2 1710409
Rg_to_Fl 73209985
Rg_to_Flxq 3588238
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813310
ZXV_to_FlxV 0
ZX_to_Flx 171000839
Z_mod2BIL_Flx 305860
Z_mod2BIL_Flx_2 308790
Z_mod2BIL_Flx_3 0
Z_to_Flx 7556476
ZpX_invLaplace_init 497
_Fl2_mul 1922285
_Fl2_pow 671391
_Fl2_rand 113760
_Fl2_sqr 4906250
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11786937
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 149686587
_Flxq_neg 366572
_Flxq_one 22435306
_Flxq_pow 23821480
_Flxq_powu 68
_Flxq_powu_i 22926429
_Flxq_rand 6554
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 268430557
bounded_order 395377
gener_Flxq 7201
get_Fl_threshold 2338324387
get_Flx_red 990913806
get_Flxq_field 68902
get_Flxq_star 283445
init_invlaplace 12514
int_to_Flx 12215
int_to_Flx_half 507058
int_to_Flx_quart 107385
kron_pack_Flx_spec 53168
kron_pack_Flx_spec_2 3389
kron_pack_Flx_spec_3 0
kron_pack_Flx_spec_bits 20992923
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 5660098
kron_unpack_Flx_bits_wide 5669307
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8481762
mkF2 7316925
monomial_Flx 941248
random_Flx 2645867
set_Flxq 68922
set_Flxq_pre 70805819
translate_basecase 42367
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6400046

Generated by: LCOV version 1.16