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:

• with GMP kernel
• with GMP kernel using --mt=pthread
• with native kernel, including micro-assembler code
• with native kernel, without micro-assembler
• with native kernel, without micro-assembler, disabling GCC extensions (DISABLE_INLINE)
• with GMP kernel, emulating an x86_32 architecture at Configure time via setarch

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 - ifactor1.c (source / functions) Hit Total Coverage Test: PARI/GP v2.16.2 lcov report (development 29115-f22e516b23) Lines: 1556 1897 82.0 % Date: 2024-04-29 08:07:43 Functions: 93 107 86.9 % Legend: Lines: hit not hit

Function Name	Hit count
COPY	0
SHALLOWCOPY	0
Z_ECM	0
Z_issmooth	0
Z_pollardbrent	0
ifac_GC	0
ifac_check	0
ifac_factor_dbg	0
ifac_print	0
ifac_realloc	0
radicalu	0
rho_dbg	0
vecfactoroddu	0
vecfactoru	0
ifac_ispowerful	7
uprecprime	32
precprime	49
vecsquarefreeu	49
ECM_alloc	71
ECM_init	71
Z_factor_until	98
ifac_resort	112
ifac_sort_one	112
ECM_loop	114
ifac_moebius	211
ifac_defrag	224
ifac_skip	296
ifac_core	311
ifac_read	658
uis_357_powermod_32bit_2	813
ellfacteur	946
update_pow	950
ifac_factoru	993
ifac_moebiusu	1074
ifac_insert_multiplet	1082
ispowerful	1708
ifac_start	1911
maxomegaoddu	2203
vecfactoroddu_i	2203
ifac_decomp	2643
squfof_ambig	2843
squfof	3152
pollardbrent	4815
pollardbrent_i	4815
ifac_crack	5542
ifac_start_hint	5547
ifac_whoiswho	5647
vecfactorsquarefreeu	7014
ifac_next	7194
ecm_elladd2	7474
ifac_divide	9877
factorint	10290
ifac_checkprime	10671
uis_357_powermod_32bit_1	14110
ifac_main	14959
ifac_find	15913
Z_factor_limit	20362
vecfactorsquarefreeu_coprime	20530
ellmult	27351
ZV_aff	28044
ifac_isprime	30296
vecfactoru_i	31911
special_primes	39262
elldouble	42656
ifac_delete	44652
INIT	50563
uisprime_nosmall	52210
moebiusu_fact	54173
moebius	54286
maxomegau	59532
coreu	59573
coreu_fact	59573
STOREi	61655
is_pth_power	69550
nextprime	126839
Z_issmooth_fact	198262
get_rule	218303
ecm_elladd	246226
ecm_elladd0	252408
aux_end	275085
absZ_factor_limit	290470
is_kth_power	487473
core	706791
absZ_factor_limit_strict	888382
tridiv_bound	1007210
unextprime_overflow	1241490
unextprime	1253500
STOREu	1365650
STORE	1427453
uis_357_power	2456116
moebiusu	2503341
uis_357_powermod	2510909
is_357_power	2793912
absZ_factor	3507351
factoru	3776567
check_res	4060778
snextpr	4634168
FpE_add_i	8397084
Z_factor	9520627
ifactor	9551312
ifactor_sign	14478098
tridiv_boundu	28267256
factoru_sign	32077379
one_iter	32831033
matsmalltrunc_init	37708388
matsmalltrunc_append	96061980
u_forprime_next_fast	235797271

Generated by: LCOV version 1.14