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: 2025-12-26 09:21:14 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 2066
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 3960
Flxq_pow_table_pre 4391
Flxq_trace 4696
Flx_FlxqV_eval 5082
Flx_mulspec_halfmulii 5463
_Flxq_s 6567
_Flxq_rand 6572
Flx_FlxM_qmul 6927
FlxM_mul2 7099
gener_Flxq 7201
Flx_is_l_pow 8195
Flx_halfres_update_pre 9405
_Flxq_inv 9460
Flv_inv_pre 9644
Flx_mulspec_mulii 10143
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 12216
init_invlaplace 12514
Flx_halve 14026
Flx_diff1 14380
Flx_translate1 17041
Flx_halfres_split 19964
Flxq_autpow_msqr 20696
Flxq_sqrtn_spec_pre 21901
FlxM_eval_powers_pre 22301
Flxq_sqrtn 23095
Flx_invBarrett_Newton 23161
ZM_unpack_FlxM 23421
Flxq_lroot_pre 25053
zlx_translate1 25259
FlxM_Flx_mul2 26000
Flx_Laplace 27346
Flx_composedsum 27555
FlxV_composedsum 28967
Flx_translate1_basecase 29134
Flx_mod_Xn1 31510
FlxV_Flc_mul 34482
Fl_Flxq_log 35541
Flxq_sqrtl_spec_pre 37666
Flxq_sumautsum_msqr 40915
translate_basecase 42299
kron_unpack_Flx 42785
Flxq_minpoly 45937
FlxM_pack_ZM 46835
Flxq_autpow_sqr 47313
Flv_inv_indir 52207
kron_pack_Flx_spec 53168
Flx_Newton 54105
Flx_invLaplace 54365
Flxn_div 55165
Flxn_div_pre 55193
ZM_unpack_FlxM_bits 58160
Fl2_sqrt_pre 65849
get_Flxq_field 68902
set_Flxq 68922
_Flxq_equal0 69139
Flxq_autpow_pre 69448
Flx_to_FlxX 71405
Flx_is_smooth 74256
Flxn_mul 75842
Fl2_sqrtn_pre 76102
FlxM_mul_Kronecker_i 81581
FlxqM_mul_Kronecker 81581
FlxqM_red_pre 81581
Flx_matFrobenius_pre 86563
Flx_Frobenius 86619
Flx_mulspec_quartmulii 97165
Flxq_order 97328
Flxq_autsum_pre 98768
FlxC_to_ZXC 104060
Flv_Flm_polint 104556
Flxq_autsum_sqr 105110
int_to_Flx_quart 107385
Flxn_expint 109396
Flx_fromNewton 109402
Flxq_autsum_mul 112472
FlxqV_dotproduct_pre 113589
Flxq_lroot_fast_pre 113589
_Fl2_rand 113823
FlxM_pack_ZM_bits 116239
Flx_is_smooth_pre 118938
Flx_is_smooth_squarefree 127094
Fl2_norm_pre 127622
Flx_invBarrett_basecase 134389
Flx_extgcd_halfgcd 146648
Flx_splitting 147665
Flx_Fl_sub 151678
Flv_invVandermonde 153445
Flx_invBarrett_pre 158850
Flx_inflate 160601
Flxq_log 164217
Flxq_matrix_pow_pre 170658
FlxV_to_Flm 171869
Fl2_inv_pre 197319
Flx_to_int_quartspec 204547
Flxq_sumautsum_pre 210713
Flxn_recip 217358
Flxq_sqrt 230547
Flxq_sqrt_pre 230547
Flxq_powers 232008
FlxqC_red_pre 234845
Flxq_div 237864
get_Flxq_star 283446
Flx_mulspec_mulii_inflate 294038
Flxq_sumautsum_sqr 295314
FlxT_red 297282
Z_mod2BIL_Flx 305852
Z_mod2BIL_Flx_2 308782
FlxC_eval_powers_pre 325149
Flxq_inv 335768
Flx_sqr 354734
_Flxq_neg 366572
_Flxq_add 389834
bounded_order 395394
FlxV_to_FlxX 397977
Flxq_issquare 404492
Flx_addmulmul 416790
Flx_deflate 420772
Flx_integXn 422771
Flxq_norm 443136
Fl2_equal1 449784
Flx_to_int_halfspec 468590
Flxq_powu 488328
int_to_Flx_half 507058
Flx_blocks 516026
Flxn_mulhigh 516968
Flxq_easylog 519365
Flx_eval2BILspec 603279
Flx_divrem_Barrett 605432
FlxV_to_ZXV 606737
Flxq_auttrace_sqr 652799
Flxq_invsafe 669869
_Fl2_pow 671598
Fl2_pow_pre 671612
kron_pack_Flx_spec_half 688104
Flx_sqrspec_Kronecker 695097
Flxq_auttrace_mul 780122
Flx_Flxq_eval 791301
Flxq_minpoly_pre 809699
Flv_roots_to_pol 841946
Flx_extgcd 856679
Flx_halfgcd_pre 873155
Flx_subspec 899261
Flx_divrem_Barrettspec 906893
Flx_mulhigh_i 938805
monomial_Flx 941227
Flxq_pow 948219
Flxq_auttrace_pre 959909
Flx_triple 1049261
Flx_halfgcd_all_i 1127383
Flx_halfgcd_all_pre 1127392
Flx_halfres_basecase 1134461
Flx_halfres_i 1154429
_Flxq_rmul 1461838
Flv_polint 1485160
_Flxq_red 1550928
Rg_to_F2 1710409
Flv_inv 1744428
Flv_producttree 1745645
Flxq_transmul_init 1746272
Flv_inv_i 1756435
Flx_neg_inplace 1777875
Flx_Flv_multieval_tree 1785942
Flx_red 1882711
_Fl2_mul 1923722
Fl2_mul_pre 1952755
Flx_lgrenormalizespec 2136002
RgX_to_Flx 2249939
Flxq_div_pre 2416819
Flx_double 2443925
Flx_Flxq_eval_pre 2444536
FlvV_polint_tree 2587243
random_Flx 2645972
Flxq_sqr 2763153
FlxV_to_ZXV_inplace 3031440
Flx_negspec 3264969
Flx_neg 3264972
Rg_to_Flxq 3588241
Flx_addshift 3724675
ZXT_to_FlxT 3813707
Flxq_transmul 4212285
Flxq_inv_pre 4286471
Flx_val 4463922
Flx_resultant 4732609
Fl2_sqr_pre 4908634
_Fl2_sqr 4908644
Flx_mod_Xnm1 4908715
Flxn_mul_pre 5159062
Flxq_invsafe_pre 5428869
kron_unpack_Flx_bits_narrow 5660094
kron_unpack_Flx_bits_wide 5667195
Flx_extgcd_pre 6285505
Flx_extgcd_basecase 6285521
Flxn_red 6330565
zx_to_Flx 6387953
Flx_addspec 7250880
Flx_recipspec 7289441
mkF2 7320096
Flx_Fl_mul 7327557
Flx_mulspec_Kronecker 7350998
Z_to_Flx 7556433
maxbitcoeffpol 8479837
Flx_is_squarefree 9180613
Flx_Fl_add 9846353
_Flx_mul 11781004
Flx_Fl_mul_to_monic 11856396
Flx_blocks_Flm 12966043
FlxV_to_Flm_lg 12966941
Flx_FlxqV_eval_pre 13165580
Flxq_mul 13192341
Flx_Frobenius_pre 13810605
Flx_get_red 14501681
Flx_resultant_basecase_pre 14595980
Flx_resultant_pre 14598242
Flx_Fl_mul_pre 18291679
Flv_inv_pre_inplace 19226501
Flx_eval 20410591
Flv_inv_pre_indir 20955505
kron_pack_Flx_spec_bits 20989331
Fl_to_Flx 21932888
Flxq_powers_pre 22432246
_Flxq_one 22433285
_Flxq_powu_i 22923183
Flx_deriv 22980394
_Flxq_pow 23061989
Flxq_pow_Frobenius 23069397
Flxq_pow_pre 24132844
Flxq_powu_pre 24177206
Flv_to_Flx 25485458
Flx_shift 27377082
Flx_equal 27625750
Flx_mul 27816615
Flx_valrem 28481159
Flx_divrem 30447097
Flx_gcd 35024436
Flx_div_by_X_x 36563658
Flx_to_ZX_inplace 36567712
Flx_to_ZX 38297082
Flx_rem 42219815
Flx_eval_powers_pre 48480508
Flx_divrem_basecase 62272479
Flx_normalize 64817540
Flx_add 66109112
Flx_to_Flv 66636441
set_Flxq_pre 70040181
Rg_to_Fl 73208731
Flx_divrem_pre 79713157
Flx_gcd_basecase 85769362
Flx_gcd_pre 87424381
Flx_get_red_pre 97785687
Flx_eval_pre 136118832
Flx_sub 138624816
_Flxq_mul 148123264
ZX_to_Flx 171006883
Flxq_mul_pre 189313636
_Flxq_sqr 267596747
Flxq_sqr_pre 275465900
Flx_sqr_pre 276405089
Flx_sqrspec 276723159
Flx_sqrspec_basecase 276894099
Flx_mulspec_basecase 348573419
Flx_mul_pre 380472932
Flx_mulspec 386077084
Flx_shiftip 633898390
Flx_rem_basecase 800694502
Flx_rem_pre 924417355
get_Flx_red 988429923
Flx_mullimb 1187560213
Flx_renormalize 2154986322
get_Fl_threshold 2330013729
Flx_mullimb_ok 3390018623

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