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 30482-15ec328664) Lines: 2553 2914 87.6 %
Date: 2025-09-06 09:24:15 Functions: 304 359 84.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl2_equal1 462581
Fl2_inv_pre 202004
Fl2_mul_pre 2013265
Fl2_norm_pre 128049
Fl2_pow_pre 690046
Fl2_sqr_pre 5072425
Fl2_sqrt_pre 65765
Fl2_sqrtn_pre 78379
Fl_Flxq_log 35540
Fl_Xp1_powu 0
Fl_to_Flx 21227478
Flm_to_FlxV 2772
FlvV_polint_tree 2540776
Flv_Flm_polint 103477
Flv_inv 1744780
Flv_invVandermonde 153445
Flv_inv_i 1756791
Flv_inv_indir 51282
Flv_inv_inplace 12017
Flv_inv_pre 10047
Flv_inv_pre_indir 21325044
Flv_inv_pre_inplace 19585103
Flv_polint 1486579
Flv_prod 0
Flv_prod_pre 3304
Flv_producttree 1745980
Flv_roots_to_pol 795691
Flv_to_Flx 25486051
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 325160
FlxC_neg 0
FlxC_sub 0
FlxC_to_ZXC 104060
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_Flx_mul2 25999
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 294007
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 171881
FlxV_to_Flm_lg 12969963
FlxV_to_FlxX 397977
FlxV_to_ZXV 606876
FlxV_to_ZXV_inplace 3029139
Flx_Fl2_eval_pre 10528
Flx_Fl_add 10024720
Flx_Fl_mul 7325889
Flx_Fl_mul_pre 18289537
Flx_Fl_mul_to_monic 12026523
Flx_Fl_sub 151841
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_Flv_multieval_tree 1786280
Flx_FlxM_qmul 6927
Flx_FlxqV_eval 5082
Flx_FlxqV_eval_pre 13168693
Flx_Flxq_eval 790614
Flx_Flxq_eval_pre 2444583
Flx_Frobenius 86480
Flx_Frobenius_pre 13812560
Flx_Laplace 27374
Flx_Newton 54159
Flx_add 64864083
Flx_addmulmul 416634
Flx_addshift 3684967
Flx_addspec 7170354
Flx_blocks 517147
Flx_blocks_Flm 12969407
Flx_composedprod 0
Flx_composedsum 27576
Flx_convol 0
Flx_deflate 420981
Flx_deriv 22987281
Flx_diff1 13482
Flx_digits 0
Flx_div_by_X_x 34793903
Flx_divrem 30451282
Flx_divrem_Barrett 604607
Flx_divrem_Barrettspec 905456
Flx_divrem_basecase 62295726
Flx_divrem_pre 79738837
Flx_double 2445177
Flx_equal 26944647
Flx_eval 20405818
Flx_eval2BILspec 579103
Flx_eval_powers_pre 48502104
Flx_eval_pre 136357592
Flx_extgcd 857241
Flx_extgcd_basecase 6286191
Flx_extgcd_halfgcd 146586
Flx_extgcd_pre 6286183
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
Flx_fromNewton 109426
Flx_gcd 34266918
Flx_gcd_basecase 85210459
Flx_gcd_pre 86869927
Flx_get_red 14501710
Flx_get_red_pre 97300234
Flx_halfgcd 0
Flx_halfgcd_all 154
Flx_halfgcd_all_i 1128205
Flx_halfgcd_all_pre 1128208
Flx_halfgcd_pre 874514
Flx_halfres_basecase 1135283
Flx_halfres_i 1155248
Flx_halfres_pre 1044
Flx_halfres_split 19962
Flx_halfres_update_pre 9405
Flx_halve 14047
Flx_inflate 160375
Flx_integ 0
Flx_integXn 422838
Flx_invBarrett 0
Flx_invBarrett_Newton 23160
Flx_invBarrett_basecase 134340
Flx_invBarrett_pre 158800
Flx_invLaplace 54427
Flx_is_l_pow 8183
Flx_is_smooth 74256
Flx_is_smooth_pre 118631
Flx_is_smooth_squarefree 126799
Flx_is_squarefree 9184138
Flx_lgrenormalizespec 2133357
Flx_matFrobenius 0
Flx_matFrobenius_pre 86565
Flx_mod_Xn1 31763
Flx_mod_Xnm1 5057352
Flx_mul 27824316
Flx_mul_pre 377023696
Flx_mulhigh_i 938896
Flx_mullimb 1185669900
Flx_mullimb_ok 3374040163
Flx_mulspec 382576736
Flx_mulspec_Kronecker 7262719
Flx_mulspec_basecase 345172286
Flx_mulspec_halfmulii 5484
Flx_mulspec_mulii 10140
Flx_mulspec_mulii_inflate 282096
Flx_mulspec_quartmulii 97165
Flx_neg 3264484
Flx_neg_inplace 1756920
Flx_negspec 3264478
Flx_normalize 63992434
Flx_powu 0
Flx_powu_pre 3916
Flx_recip 0
Flx_recipspec 7295169
Flx_red 1880572
Flx_rem 42212080
Flx_rem_basecase 801194762
Flx_rem_pre 925709258
Flx_renormalize 2153378977
Flx_rescale 1117
Flx_resultant 4734147
Flx_resultant_basecase_pre 14620453
Flx_resultant_pre 14622424
Flx_shift 27395760
Flx_shiftip 632478991
Flx_splitting 147324
Flx_sqr 354618
Flx_sqr_pre 278397871
Flx_sqrspec 278666395
Flx_sqrspec_Kronecker 691149
Flx_sqrspec_basecase 278868610
Flx_sqrspec_halfsqri 325
Flx_sqrspec_quartsqri 10218
Flx_sqrspec_sqri 2067
Flx_sqrspec_sqri_inflate 11522
Flx_sub 138677518
Flx_subspec 897862
Flx_to_Flv 66634599
Flx_to_FlxX 71628
Flx_to_ZX 38303891
Flx_to_ZX_inplace 36575069
Flx_to_int_halfspec 468821
Flx_to_int_quartspec 204548
Flx_translate1 16142
Flx_translate1_basecase 28236
Flx_triple 1049887
Flx_unscale 0
Flx_val 4481728
Flx_valrem 27463863
Flxn_div 55205
Flxn_div_pre 55232
Flxn_exp 0
Flxn_expint 109426
Flxn_inv 1037
Flxn_mul 75872
Flxn_mul_pre 5164057
Flxn_mulhigh 517052
Flxn_recip 217453
Flxn_red 6335508
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 20698
Flxq_autpow_pre 67496
Flxq_autpow_sqr 46260
Flxq_autpowers 1667
Flxq_autsum 0
Flxq_autsum_mul 112490
Flxq_autsum_pre 98774
Flxq_autsum_sqr 105124
Flxq_auttrace 0
Flxq_auttrace_mul 782790
Flxq_auttrace_pre 962478
Flxq_auttrace_sqr 655266
Flxq_charpoly 3624
Flxq_conjvec 20
Flxq_div 237864
Flxq_div_pre 2417763
Flxq_easylog 519191
Flxq_inv 335768
Flxq_inv_pre 4284204
Flxq_invsafe 670653
Flxq_invsafe_pre 5428966
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 170663
Flxq_minpoly 44915
Flxq_minpoly_pre 810896
Flxq_mul 13191089
Flxq_mul_pre 188959980
Flxq_norm 443325
Flxq_order 97328
Flxq_pow 948339
Flxq_pow_Frobenius 22383284
Flxq_pow_init 0
Flxq_pow_init_pre 28
Flxq_pow_pre 23440496
Flxq_pow_table 0
Flxq_pow_table_pre 4393
Flxq_powers 232056
Flxq_powers_pre 22439101
Flxq_powu 488419
Flxq_powu_pre 24358911
Flxq_sqr 2759492
Flxq_sqr_pre 277423083
Flxq_sqrt 230484
Flxq_sqrt_pre 230484
Flxq_sqrtl_spec_pre 35707
Flxq_sqrtn 20455
Flxq_sqrtn_spec_pre 19262
Flxq_sumautsum_msqr 40558
Flxq_sumautsum_pre 208704
Flxq_sumautsum_sqr 292682
Flxq_trace 4696
Flxq_transmul 4218724
Flxq_transmul_init 1749012
RgXV_to_FlxV 7
RgX_to_Flx 2250316
Rg_to_F2 1706913
Rg_to_Fl 73224294
Rg_to_Flxq 3598657
ZM_unpack_FlxM 23421
ZM_unpack_FlxM_bits 58160
ZXT_to_FlxT 3813563
ZXV_to_FlxV 0
ZX_to_Flx 171033605
Z_mod2BIL_Flx 293618
Z_mod2BIL_Flx_2 296548
Z_mod2BIL_Flx_3 0
Z_to_Flx 7561524
ZpX_invLaplace_init 497
_Fl2_mul 1984825
_Fl2_pow 690035
_Fl2_rand 118257
_Fl2_sqr 5072410
_Flx_add 389834
_Flx_composedsum 3910
_Flx_divrem 0
_Flx_mul 11011003
_Flx_sqr 0
_Flxq_equal0 69139
_Flxq_inv 9460
_Flxq_mul 147775873
_Flxq_neg 366572
_Flxq_one 22439147
_Flxq_pow 22375872
_Flxq_powu 68
_Flxq_powu_i 23103371
_Flxq_rand 5571
_Flxq_red 1550928
_Flxq_rmul 1461838
_Flxq_s 6567
_Flxq_sqr 269551118
bounded_order 394038
gener_Flxq 7201
get_Fl_threshold 2327307771
get_Flx_red 989741597
get_Flxq_field 68902
get_Flxq_star 280806
init_invlaplace 12514
int_to_Flx 12216
int_to_Flx_half 507268
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 20810062
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 5657177
kron_unpack_Flx_bits_wide 5578727
matJ2_FlxM 13
matid2_FlxM 911
maxbitcoeffpol 8376553
mkF2 7555878
monomial_Flx 942938
random_Flx 2647065
set_Flxq 68922
set_Flxq_pre 69541994
translate_basecase 41401
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
zl_Xp1_powu 12017
zlx_translate1 25259
zx_to_Flx 6526825

Generated by: LCOV version 1.16