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: 2025-12-29 09:21:39 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 449810
Fl2_inv_pre 197361
Fl2_mul_pre 1953423
Fl2_norm_pre 127550
Fl2_pow_pre 671656
Fl2_sqr_pre 4912077
Fl2_sqrt_pre 65849
Fl2_sqrtn_pre 76054
Fl_Flxq_log 35554
Fl_Xp1_powu 0
Fl_to_Flx 21939748
Flm_to_FlxV 2772
FlvV_polint_tree 2587367
Flv_Flm_polint 104560
Flv_inv 1744435
Flv_invVandermonde 153445
Flv_inv_i 1756446
Flv_inv_indir 52213
Flv_inv_inplace 12017
Flv_inv_pre 9644
Flv_inv_pre_indir 21062037
Flv_inv_pre_inplace 19334750
Flv_polint 1485154
Flv_prod 0
Flv_prod_pre 3719
Flv_producttree 1745642
Flv_roots_to_pol 842088
Flv_to_Flx 25486238
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 325158
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 304370
FlxV_Flc_mul 34482
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxV_Flx_fromdigits 0
FlxV_composedsum 28981
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
FlxV_to_Flm 171873
FlxV_to_Flm_lg 12966818
FlxV_to_FlxX 397977
FlxV_to_ZXV 606743
FlxV_to_ZXV_inplace 3031494
Flx_Fl2_eval_pre 10773
Flx_Fl_add 9844619
Flx_Fl_mul 7329679
Flx_Fl_mul_pre 18293621
Flx_Fl_mul_to_monic 11856108
Flx_Fl_sub 151678
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1785939
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13165450
Flx_Flxq_eval 791317
Flx_Flxq_eval_pre 2444607
Flx_Frobenius 86619
Flx_Frobenius_pre 13811111
Flx_Laplace 27348
Flx_Newton 54097
Flx_add 66123329
Flx_addmulmul 416800
Flx_addshift 3724675
Flx_addspec 7250880
Flx_blocks 516912
Flx_blocks_Flm 12966149
Flx_composedprod 0
Flx_composedsum 27547
Flx_convol 0
Flx_deflate 420791
Flx_deriv 22981596
Flx_diff1 14447
Flx_digits 0
Flx_div_by_X_x 36575087
Flx_divrem 30445325
Flx_divrem_Barrett 607395
Flx_divrem_Barrettspec 908818
Flx_divrem_basecase 62280648
Flx_divrem_pre 79718598
Flx_double 2443925
Flx_equal 27017248
Flx_eval 20416399
Flx_eval2BILspec 603305
Flx_eval_powers_pre 48547118
Flx_eval_pre 136142024
Flx_extgcd 856684
Flx_extgcd_basecase 6286212
Flx_extgcd_halfgcd 146654
Flx_extgcd_pre 6286214
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109395
Flx_gcd 35030617
Flx_gcd_basecase 85770554
Flx_gcd_pre 87427128
Flx_get_red 14501707
Flx_get_red_pre 97235672
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1126820
Flx_halfgcd_all_pre 1126822
Flx_halfgcd_pre 873223
Flx_halfres_basecase 1133898
Flx_halfres_i 1153864
Flx_halfres_pre 1044
Flx_halfres_split 19963
Flx_halfres_update_pre 9405
Flx_halve 14026
Flx_inflate 161716
Flx_integ 0
Flx_integXn 422748
Flx_invBarrett 0
Flx_invBarrett_Newton 23161
Flx_invBarrett_basecase 134391
Flx_invBarrett_pre 158852
Flx_invLaplace 54367
Flx_is_l_pow 8188
Flx_is_smooth 74256
Flx_is_smooth_pre 118464
Flx_is_smooth_squarefree 126619
Flx_is_squarefree 9180620
Flx_lgrenormalizespec 2139909
Flx_matFrobenius 0
Flx_matFrobenius_pre 86566
Flx_mod_Xn1 31510
Flx_mod_Xnm1 4908436
Flx_mul 27810286
Flx_mul_pre 379452255
Flx_mulhigh_i 938608
Flx_mullimb 1189384297
Flx_mullimb_ok 3363885788
Flx_mulspec 385036154
Flx_mulspec_Kronecker 7356443
Flx_mulspec_basecase 347495605
Flx_mulspec_halfmulii 5463
Flx_mulspec_mulii 10140
Flx_mulspec_mulii_inflate 294051
Flx_mulspec_quartmulii 97167
Flx_neg 3266817
Flx_neg_inplace 1777875
Flx_negspec 3266800
Flx_normalize 64842874
Flx_powu 0
Flx_powu_pre 4076
Flx_recip 0
Flx_recipspec 7293928
Flx_red 1889071
Flx_rem 42224741
Flx_rem_basecase 799013807
Flx_rem_pre 922838733
Flx_renormalize 2151515537
Flx_rescale 1117
Flx_resultant 4733991
Flx_resultant_basecase_pre 14598688
Flx_resultant_pre 14600724
Flx_shift 27378919
Flx_shiftip 632241050
Flx_splitting 148466
Flx_sqr 354877
Flx_sqr_pre 275836233
Flx_sqrspec 276117440
Flx_sqrspec_Kronecker 695264
Flx_sqrspec_basecase 276183934
Flx_sqrspec_halfsqri 136
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2068
Flx_sqrspec_sqri_inflate 11814
Flx_sub 138632625
Flx_subspec 901213
Flx_to_Flv 66640012
Flx_to_FlxX 71405
Flx_to_ZX 38297663
Flx_to_ZX_inplace 36565024
Flx_to_int_halfspec 468590
Flx_to_int_quartspec 204552
Flx_translate1 17107
Flx_translate1_basecase 29201
Flx_triple 1049261
Flx_unscale 0
Flx_val 4470611
Flx_valrem 28496762
Flxn_div 55169
Flxn_div_pre 55191
Flxn_exp 0
Flxn_expint 109388
Flxn_inv 1037
Flxn_mul 75843
Flxn_mul_pre 5158669
Flxn_mulhigh 516816
Flxn_recip 217349
Flxn_red 6329655
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 69451
Flxq_autpow_sqr 47316
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112472
Flxq_autsum_pre 98768
Flxq_autsum_sqr 105110
Flxq_auttrace 0
Flxq_auttrace_mul 780105
Flxq_auttrace_pre 959938
Flxq_auttrace_sqr 652798
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2416819
Flxq_easylog 519372
Flxq_inv 335768
Flxq_inv_pre 4286483
Flxq_invsafe 670474
Flxq_invsafe_pre 5429542
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 170656
Flxq_minpoly 45937
Flxq_minpoly_pre 809689
Flxq_mul 13192528
Flxq_mul_pre 188206055
Flxq_norm 443129
Flxq_order 97328
Flxq_pow 948263
Flxq_pow_Frobenius 22521742
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23585205
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232017
Flxq_powers_pre 22431730
Flxq_powu 488327
Flxq_powu_pre 24174598
Flxq_sqr 2763154
Flxq_sqr_pre 274904439
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 4212688
Flxq_transmul_init 1746408
RgXV_to_FlxV 7
RgX_to_Flx 2249937
Rg_to_F2 1710563
Rg_to_Fl 73210690
Rg_to_Flxq 3588225
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3815604
ZXV_to_FlxV 0
ZX_to_Flx 171015387
Z_mod2BIL_Flx 305865
Z_mod2BIL_Flx_2 308795
Z_mod2BIL_Flx_3 0
Z_to_Flx 7556188
ZpX_invLaplace_init 497
_Fl2_mul 1924389
_Fl2_pow 671651
_Fl2_rand 113825
_Fl2_sqr 4912107
_Flx_add 0
_Flx_composedsum 3882
_Flx_divrem 0
_Flx_mul 11780611
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
_Flxq_add 389834
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147021657
_Flxq_neg 366572
_Flxq_one 22433392
_Flxq_pow 22514335
_Flxq_powu 68
_Flxq_powu_i 22920653
_Flxq_rand 6566
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 267055473
bounded_order 395386
gener_Flxq 7201
get_Fl_threshold 2325056353
get_Flx_red 986842734
get_Flxq_field 68902
get_Flxq_star 283446
init_invlaplace 12514
int_to_Flx 12212
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 21000968
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 5666104
kron_unpack_Flx_bits_wide 5667334
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8486114
mkF2 7325084
monomial_Flx 941301
random_Flx 2646058
set_Flxq 68922
set_Flxq_pre 69491340
translate_basecase 42366
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6407903

Generated by: LCOV version 1.16