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 - RgV.c (source / functions) Hit Total Coverage
Test: PARI/GP v2.18.1 lcov report (development 30617-dd5c93fb0e) Lines: 509 578 88.1 %
Date: 2026-01-20 09:21:06 Functions: 95 104 91.3 %
Legend: Lines: hit not hit

Function Name Sort by function name Hit count Sort by hit count
RgC_RgM_mul 0
RgM_RgV_mul 0
RgM_Rg_sub 0
RgM_multosym 0
RgM_transmul 0
RgV_sumpart 0
RgV_sumpart2 0
_RgM_sub 0
_RgM_zero 0
RgM_sqr_QXQM 7
RgM_RgC_mul_FpM 28
RgM_RgC_mul_FqM 28
RgV_is_ZMV 49
RgM_sqr_ZXQM 133
RgM_powers 168
RgM_is_QM 203
scalarmat_s 217
_RgM_sqr 238
isdiagonal 315
RgM_isdiagonal 336
RgM_sumcol 400
RgX_RgMV_eval 490
RgC_is_ei 644
RgM_Rg_add_shallow 739
_RgM_mul 763
RgM_sqr_fast 1372
RgM_sqr 1407
RgX_RgM_eval 1470
RgM_mul_ZXQM 1491
RgC_RgV_mul 1687
_RgM_red 2954
RgM_isidentity 3664
_RgM_add 3836
_RgM_one 4221
RgM_mul_QXQM 4795
RgMrow_RgC_mul 4795
RgV_neg 4795
RgX_is_monic_ZX 4844
_RgM_cmul 5796
RgM_Rg_add 7618
RgM_transmultosym 7663
RgM_liftred 12712
RgM_isscalar 18417
RgM_det_triangular 22848
RgC_Rg_sub 24155
RgM_mul_FqM 26005
Rg_RgC_sub 32766
RgV_zm_mul 34296
RgV_Rg_mul 38955
RgM_mul_FpM 57148
RgM_mul_FpM_i 57148
RgM_zm_mul 58307
RgMrow_zc_mul 70028
RgM_zc_mul 71981
RgV_zc_mul 83454
RgM_sub 174722
RgV_zc_mul_i 210424
RgM_zc_mul_i 244062
RgV_RgM_mul 296900
RgM_Rg_sub_shallow 317087
RgM_ZM_mul 356133
RgV_sub 356431
RgV_prod 454719
RgV_kill0 482030
RgM_neg 542310
RgM_Rg_div 604662
RgM_add 690886
scalarcol 786066
scalarmat 872930
RgV_dotproduct 1026870
RgC_neg 1036126
RgM_is_ZM 1310686
RgM_Rg_mul 1384961
scalarcol_shallow 1494683
RgM_ZC_mul_i 1940870
RgM_ZM_mul_worker 1940914
scalarcol_i 2280756
RgC_Rg_add 2519207
RgV_add 2600663
RgV_sum 3187464
_gmul 3340044
scalarmat_shallow 3374618
RgC_neg_i 4024254
RgC_Rg_div 4492171
RgM_mul_i 4723316
gram_matrix 4841482
RgC_sub 5003905
RgV_RgC_mul 5122351
RgC_sub_i 5924581
RgM_mul_fast 7624290
RgM_mul 7640068
RgMrow_zc_mul_i 8450493
matid 8943679
RgV_dotsquare 9750992
RgC_Rg_mul 11944699
fill_scalmat 13190909
RgV_dotproduct_i 14174480
RgC_add 15676357
RgC_add_i 18940120
RgM_RgC_mul 32238020
RgM_RgC_mul_fast 32238020
RgMrow_ZC_mul_i 32636846
RgM_RgC_mul_i 35169425
RgMrow_RgC_mul_i 118554018

Generated by: LCOV version 1.16