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 30586-ccf601f509) Lines: 2553 2925 87.3 %
Date: 2025-12-24 09:20:59 Functions: 304 363 83.7 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
Fl_Xp1_powu 0
Flv_prod 0
FlxC_Fl_translate 0
FlxC_FlxqV_eval 0
FlxC_FlxqV_eval_pre 0
FlxC_Flxq_eval 0
FlxC_Flxq_eval_pre 0
FlxC_neg 0
FlxC_sub 0
FlxM_Fl_translate 0
FlxM_Flx_add_shallow 0
FlxM_max_degree 0
FlxM_max_degree_i 0
FlxM_mul 0
FlxM_neg 0
FlxM_sub 0
FlxM_to_FlxXV 0
FlxV_Flx_fromdigits 0
FlxV_factorback 0
FlxV_max_degree_i 0
FlxV_prod 0
FlxV_red 0
Flx_Fl_translate 0
Flx_Flv_multieval 0
Flx_composedprod 0
Flx_convol 0
Flx_digits 0
Flx_halfgcd 0
Flx_integ 0
Flx_invBarrett 0
Flx_matFrobenius 0
Flx_powu 0
Flx_recip 0
Flx_unscale 0
Flxn_exp 0
Flxn_sqr 0
Flxn_sqr_pre 0
FlxqC_Flxq_mul 0
FlxqM_Flxq_mul 0
FlxqV_dotproduct 0
Flxq_autsum 0
Flxq_auttrace 0
Flxq_is2npower 0
Flxq_lroot 0
Flxq_lroot_fast 0
Flxq_pow_init 0
Flxq_pow_table 0
ZXV_to_FlxV 0
Z_mod2BIL_Flx_3 0
_Flx_add 0
_Flx_divrem 0
_Flx_one 0
_Flx_pow 0
_Flx_sqr 0
kron_pack_Flx_spec_3 0
kron_unpack_Flx_3 0
zero_FlxC 0
zero_FlxM 0
zero_FlxM_copy 0
Flxq_autpow 7
RgXV_to_FlxV 7
matJ2_FlxM 13
Flxq_conjvec 20
Flxq_pow_init_pre 28
Flx_extresultant 53
Flx_extresultant_basecase 53
Flx_extresultant_pre 53
_Flxq_powu 68
Flx_sqrspec_halfsqri 136
Flx_halfgcd_all 154
Flxq_matrix_pow 399
ZpX_invLaplace_init 497
matid2_FlxM 911
Flxn_inv 1037
Flx_halfres_pre 1044
Flx_rescale 1117
Flxq_autpowers 1667
FlxqX_dotproduct 1918
Flx_sqrspec_sqri 2069
FlxV_Flv_multieval 2471
FlxV_Flv_multieval_tree 2471
FlxM_to_ZXM 2485
Flm_to_FlxV 2772
kron_unpack_Flx_2 2930
kron_pack_Flx_spec_2 3389
Flxq_charpoly 3624
Flv_prod_pre 3719
_Flx_composedsum 3882
Flx_powu_pre 4034
Flxq_pow_table_pre 4393
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5463
_Flxq_rand 6539
_Flxq_s 6567
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8227
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 9645
Flx_mulspec_mulii 10140
Flx_sqrspec_quartsqri 10218
Flx_Fl2_eval_pre 10773
Flx_sqrspec_sqri_inflate 11814
Flv_inv_inplace 12017
zl_Xp1_powu 12017
int_to_Flx 12213
init_invlaplace 12514
Flx_halve 14026
Flx_diff1 14443
Flx_translate1 17103
Flx_halfres_split 19964
Flxq_autpow_msqr 20696
Flxq_sqrtn_spec_pre 21901
FlxM_eval_powers_pre 22302
Flxq_sqrtn 23095
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27345
Flx_composedsum 27547
FlxV_composedsum 28976
Flx_translate1_basecase 29197
Flx_mod_Xn1 31510
FlxV_Flc_mul 34482
Fl_Flxq_log 35543
Flxq_sqrtl_spec_pre 37667
Flxq_sumautsum_msqr 40915
translate_basecase 42362
kron_unpack_Flx 42785
Flxq_minpoly 45937
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47313
Flv_inv_indir 52212
kron_pack_Flx_spec 53168
Flx_Newton 54095
Flx_invLaplace 54369
Flxn_div 55139
Flxn_div_pre 55181
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65849
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69450
Flx_to_FlxX 71405
Flx_is_smooth 74256
Flxn_mul 75841
Fl2_sqrtn_pre 76104
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_matFrobenius_pre 86568
Flx_Frobenius 86619
Flx_mulspec_quartmulii 97165
Flxq_order 97328
Flxq_autsum_pre 98768
FlxC_to_ZXC 104060
Flv_Flm_polint 104558
Flxq_autsum_sqr 105110
int_to_Flx_quart 107384
Flx_fromNewton 109391
Flxn_expint 109392
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
_Fl2_rand 113938
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 119074
Flx_is_smooth_squarefree 127278
Fl2_norm_pre 127622
Flx_invBarrett_basecase 134388
Flx_extgcd_halfgcd 146648
Flx_splitting 148183
Flx_Fl_sub 151680
Flv_invVandermonde 153445
Flx_invBarrett_pre 158850
Flx_inflate 161211
Flxq_log 164217
Flxq_matrix_pow_pre 170661
FlxV_to_Flm 171883
Fl2_inv_pre 197314
Flx_to_int_quartspec 204548
Flxq_sumautsum_pre 210713
Flxn_recip 217254
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_powers 232018
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 283446
Flx_mulspec_mulii_inflate 294038
Flxq_sumautsum_sqr 295314
FlxT_red 301840
Z_mod2BIL_Flx 305852
Z_mod2BIL_Flx_2 308782
FlxC_eval_powers_pre 325156
Flxq_inv 335770
Flx_sqr 354823
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395357
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416798
Flx_deflate 420776
Flx_integXn 422698
Flxq_norm 443137
Fl2_equal1 449818
Flx_to_int_halfspec 468590
Flxq_powu 488335
int_to_Flx_half 507058
Flxn_mulhigh 516695
Flx_blocks 516784
Flxq_easylog 519382
Flx_eval2BILspec 603279
Flx_divrem_Barrett 606691
FlxV_to_ZXV 606748
Flxq_auttrace_sqr 652685
Flxq_invsafe 670263
_Fl2_pow 671572
Fl2_pow_pre 671589
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 695181
Flxq_auttrace_mul 779995
Flx_Flxq_eval 791307
Flxq_minpoly_pre 809610
Flv_roots_to_pol 842077
Flx_extgcd 856692
Flx_halfgcd_pre 873073
Flx_subspec 900399
Flx_divrem_Barrettspec 907980
Flx_mulhigh_i 938322
monomial_Flx 941141
Flxq_pow 948281
Flxq_auttrace_pre 959832
Flx_triple 1049261
Flx_halfgcd_all_i 1127308
Flx_halfgcd_all_pre 1127310
Flx_halfres_basecase 1134387
Flx_halfres_i 1154353
_Flxq_rmul 1461838
Flv_polint 1485176
_Flxq_red 1550928
Rg_to_F2 1710507
Flv_inv 1744448
Flv_producttree 1745662
Flxq_transmul_init 1746111
Flv_inv_i 1756456
Flx_neg_inplace 1777875
Flx_Flv_multieval_tree 1785961
Flx_red 1886772
_Fl2_mul 1924728
Fl2_mul_pre 1953744
Flx_lgrenormalizespec 2138405
RgX_to_Flx 2249943
Flxq_div_pre 2416819
Flx_double 2443925
Flx_Flxq_eval_pre 2444598
FlvV_polint_tree 2587398
random_Flx 2645718
Flxq_sqr 2763153
FlxV_to_ZXV_inplace 3031508
Flx_negspec 3266141
Flx_neg 3266144
Rg_to_Flxq 3588226
Flx_addshift 3724675
ZXT_to_FlxT 3814965
Flxq_transmul 4212084
Flxq_inv_pre 4286501
Flx_val 4470421
Flx_resultant 4733149
Flx_mod_Xnm1 4908018
Fl2_sqr_pre 4910739
_Fl2_sqr 4910800
Flxn_mul_pre 5157678
Flxq_invsafe_pre 5429290
kron_unpack_Flx_bits_narrow 5663946
kron_unpack_Flx_bits_wide 5668158
Flx_extgcd_pre 6285949
Flx_extgcd_basecase 6285958
Flxn_red 6328555
zx_to_Flx 6403580
Flx_addspec 7250880
Flx_recipspec 7291174
mkF2 7323466
Flx_Fl_mul 7328893
Flx_mulspec_Kronecker 7354861
Z_to_Flx 7556453
maxbitcoeffpol 8484477
Flx_is_squarefree 9180750
Flx_Fl_add 9844390
_Flx_mul 11780775
Flx_Fl_mul_to_monic 11856301
Flx_blocks_Flm 12966111
FlxV_to_Flm_lg 12966753
Flx_FlxqV_eval_pre 13165340
Flxq_mul 13192434
Flx_Frobenius_pre 13810951
Flx_get_red 14501381
Flx_resultant_basecase_pre 14597297
Flx_resultant_pre 14599442
Flx_Fl_mul_pre 18293780
Flv_inv_pre_inplace 19304178
Flx_eval 20423151
kron_pack_Flx_spec_bits 20997950
Flv_inv_pre_indir 21030309
Fl_to_Flx 21936484
Flxq_powers_pre 22432350
_Flxq_one 22433714
_Flxq_powu_i 22924025
Flx_deriv 22981689
_Flxq_pow 23062020
Flxq_pow_Frobenius 23069428
Flxq_pow_pre 24132849
Flxq_powu_pre 24178365
Flv_to_Flx 25485668
Flx_shift 27375834
Flx_equal 27627808
Flx_mul 27819360
Flx_valrem 28474074
Flx_divrem 30446942
Flx_gcd 35028374
Flx_div_by_X_x 36566686
Flx_to_ZX_inplace 36566775
Flx_to_ZX 38297752
Flx_rem 42223980
Flx_eval_powers_pre 48541864
Flx_divrem_basecase 62284125
Flx_normalize 64813409
Flx_add 66118703
Flx_to_Flv 66637760
set_Flxq_pre 70041897
Rg_to_Fl 73210499
Flx_divrem_pre 79722996
Flx_gcd_basecase 85771616
Flx_gcd_pre 87426817
Flx_get_red_pre 97787095
Flx_eval_pre 136139664
Flx_sub 138637998
_Flxq_mul 148075350
ZX_to_Flx 171009927
Flxq_mul_pre 189259788
_Flxq_sqr 267414294
Flxq_sqr_pre 275263278
Flx_sqr_pre 276186993
Flx_sqrspec 276470398
Flx_sqrspec_basecase 276578079
Flx_mulspec_basecase 348534014
Flx_mul_pre 380483800
Flx_mulspec 386058107
Flx_shiftip 633615427
Flx_rem_basecase 800299031
Flx_rem_pre 924178067
get_Flx_red 988167796
Flx_mullimb 1186603985
Flx_renormalize 2155273176
get_Fl_threshold 2329401884
Flx_mullimb_ok 3388057477

Generated by: LCOV version 1.16