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 30590-f14e077362) Lines: 2553 2925 87.3 %
Date: 2025-12-31 09:21:49 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 450424
Fl2_inv_pre 197612
Fl2_mul_pre 1956191
Fl2_norm_pre 127658
Fl2_pow_pre 672541
Fl2_sqr_pre 4918703
Fl2_sqrt_pre 65849
Fl2_sqrtn_pre 76152
Fl_Flxq_log 35539
Fl_Xp1_powu 0
Fl_to_Flx 21948856
Flm_to_FlxV 2772
FlvV_polint_tree 2587481
Flv_Flm_polint 104560
Flv_inv 1744451
Flv_invVandermonde 153445
Flv_inv_i 1756458
Flv_inv_indir 52214
Flv_inv_inplace 12017
Flv_inv_pre 9645
Flv_inv_pre_indir 21104386
Flv_inv_pre_inplace 19382673
Flv_polint 1485168
Flv_prod 0
Flv_prod_pre 3719
Flv_producttree 1745652
Flv_roots_to_pol 842125
Flv_to_Flx 25487249
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 325156
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 296169
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28965
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171870
FlxV_to_Flm_lg 12967470
FlxV_to_FlxX 397977
FlxV_to_ZXV 606751
FlxV_to_ZXV_inplace 3031535
Flx_Fl2_eval_pre 10773
Flx_Fl_add 9849322
Flx_Fl_mul 7328929
Flx_Fl_mul_pre 18294822
Flx_Fl_mul_to_monic 11857974
Flx_Fl_sub 151679
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1785956
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13166250
Flx_Flxq_eval 791318
Flx_Flxq_eval_pre 2444625
Flx_Frobenius 86619
Flx_Frobenius_pre 13812009
Flx_Laplace 27355
Flx_Newton 54112
Flx_add 66142178
Flx_addmulmul 416796
Flx_addshift 3724675
Flx_addspec 7250880
Flx_blocks 517323
Flx_blocks_Flm 12967071
Flx_composedprod 0
Flx_composedsum 27554
Flx_convol 0
Flx_deflate 420799
Flx_deriv 22983195
Flx_diff1 14444
Flx_digits 0
Flx_div_by_X_x 36578011
Flx_divrem 30447056
Flx_divrem_Barrett 605145
Flx_divrem_Barrettspec 906529
Flx_divrem_basecase 62292475
Flx_divrem_pre 79732704
Flx_double 2443925
Flx_equal 26870633
Flx_eval 20434111
Flx_eval2BILspec 603305
Flx_eval_powers_pre 48547976
Flx_eval_pre 136158309
Flx_extgcd 856689
Flx_extgcd_basecase 6286189
Flx_extgcd_halfgcd 146649
Flx_extgcd_pre 6286190
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109405
Flx_gcd 35029674
Flx_gcd_basecase 85792266
Flx_gcd_pre 87448517
Flx_get_red 14502368
Flx_get_red_pre 97111457
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1127294
Flx_halfgcd_all_pre 1127293
Flx_halfgcd_pre 873170
Flx_halfres_basecase 1134369
Flx_halfres_i 1154338
Flx_halfres_pre 1044
Flx_halfres_split 19964
Flx_halfres_update_pre 9405
Flx_halve 14026
Flx_inflate 161492
Flx_integ 0
Flx_integXn 422803
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134391
Flx_invBarrett_pre 158851
Flx_invLaplace 54380
Flx_is_l_pow 8215
Flx_is_smooth 74256
Flx_is_smooth_pre 119386
Flx_is_smooth_squarefree 127557
Flx_is_squarefree 9180649
Flx_lgrenormalizespec 2135465
Flx_matFrobenius 0
Flx_matFrobenius_pre 86567
Flx_mod_Xn1 31509
Flx_mod_Xnm1 4908170
Flx_mul 27815807
Flx_mul_pre 379381118
Flx_mulhigh_i 939325
Flx_mullimb 1187346305
Flx_mullimb_ok 3375793748
Flx_mulspec 384957416
Flx_mulspec_Kronecker 7351383
Flx_mulspec_basecase 347368115
Flx_mulspec_halfmulii 5463
Flx_mulspec_mulii 10143
Flx_mulspec_mulii_inflate 294051
Flx_mulspec_quartmulii 97167
Flx_neg 3264709
Flx_neg_inplace 1777875
Flx_negspec 3264706
Flx_normalize 64832664
Flx_powu 0
Flx_powu_pre 3947
Flx_recip 0
Flx_recipspec 7289068
Flx_red 1881754
Flx_rem 42228339
Flx_rem_basecase 799236348
Flx_rem_pre 923261318
Flx_renormalize 2152741123
Flx_rescale 1117
Flx_resultant 4733987
Flx_resultant_basecase_pre 14598884
Flx_resultant_pre 14600897
Flx_shift 27382022
Flx_shiftip 632447021
Flx_splitting 147549
Flx_sqr 354716
Flx_sqr_pre 276054881
Flx_sqrspec 276319201
Flx_sqrspec_Kronecker 695100
Flx_sqrspec_basecase 276289379
Flx_sqrspec_halfsqri 136
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2069
Flx_sqrspec_sqri_inflate 11814
Flx_sub 138647160
Flx_subspec 898916
Flx_to_Flv 66644171
Flx_to_FlxX 71405
Flx_to_ZX 38298256
Flx_to_ZX_inplace 36568523
Flx_to_int_halfspec 468590
Flx_to_int_quartspec 204552
Flx_translate1 17104
Flx_translate1_basecase 29198
Flx_triple 1049261
Flx_unscale 0
Flx_val 4467656
Flx_valrem 28496877
Flxn_div 55199
Flxn_div_pre 55211
Flxn_exp 0
Flxn_expint 109399
Flxn_inv 1037
Flxn_mul 75851
Flxn_mul_pre 5161266
Flxn_mulhigh 517246
Flxn_recip 217462
Flxn_red 6334008
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 20697
Flxq_autpow_pre 69451
Flxq_autpow_sqr 47316
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112485
Flxq_autsum_pre 98771
Flxq_autsum_sqr 105119
Flxq_auttrace 0
Flxq_auttrace_mul 780028
Flxq_auttrace_pre 959931
Flxq_auttrace_sqr 652737
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2416818
Flxq_easylog 519363
Flxq_inv 335768
Flxq_inv_pre 4286472
Flxq_invsafe 670477
Flxq_invsafe_pre 5429521
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 170657
Flxq_minpoly 45937
Flxq_minpoly_pre 809672
Flxq_mul 13192527
Flxq_mul_pre 188045872
Flxq_norm 443133
Flxq_order 97328
Flxq_pow 948191
Flxq_pow_Frobenius 22379319
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23442700
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232022
Flxq_powers_pre 22434677
Flxq_powu 488329
Flxq_powu_pre 24183579
Flxq_sqr 2763156
Flxq_sqr_pre 275118854
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_sqrtl_spec_pre 37667
Flxq_sqrtn 23095
Flxq_sqrtn_spec_pre 21901
Flxq_sumautsum_msqr 40915
Flxq_sumautsum_pre 210713
Flxq_sumautsum_sqr 295314
Flxq_trace 4696
Flxq_transmul 4212579
Flxq_transmul_init 1746321
RgXV_to_FlxV 7
RgX_to_Flx 2249927
Rg_to_F2 1710386
Rg_to_Fl 73210243
Rg_to_Flxq 3588185
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813096
ZXV_to_FlxV 0
ZX_to_Flx 171015795
Z_mod2BIL_Flx 305865
Z_mod2BIL_Flx_2 308795
Z_mod2BIL_Flx_3 0
Z_to_Flx 7556380
ZpX_invLaplace_init 497
_Fl2_mul 1927167
_Fl2_pow 672535
_Fl2_rand 114001
_Fl2_sqr 4918706
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11793783
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 146850288
_Flxq_neg 366572
_Flxq_one 22436232
_Flxq_pow 22371908
_Flxq_powu 68
_Flxq_powu_i 22928829
_Flxq_rand 6573
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 267282985
bounded_order 395396
gener_Flxq 7201
get_Fl_threshold 2325757360
get_Flx_red 987213321
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12217
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 20990328
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 5659292
kron_unpack_Flx_bits_wide 5668828
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8480008
mkF2 7334762
monomial_Flx 941246
random_Flx 2646024
set_Flxq 68922
set_Flxq_pre 69360772
translate_basecase 42363
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6408719

Generated by: LCOV version 1.16