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Testing "unsigned long" vs. "double" does only make sense if there is 

enough precision in double. Make it select double, long double or skip
the test at runtime, depending on sizeof() results.
This commit is contained in:
martin 2003-06-16 07:11:52 +00:00
parent 5ab640a98e
commit b9577aa450
1 changed files with 22 additions and 5 deletions
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27
regress/lib/libc/convfp/convfp.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: convfp.c,v 1.2 2003/06/15 23:38:17 martin Exp $ */
/* $NetBSD: convfp.c,v 1.3 2003/06/16 07:11:52 martin Exp $ */
/*-
* Copyright (c) 2003 The NetBSD Foundation, Inc.
@ -49,9 +49,10 @@
int
main()
{
unsigned long ul;
double d;
unsigned int ui;
unsigned long ul;
long double dt;
double d;
/* unsigned int test */
d = UINT_TESTVALUE;
@ -63,8 +64,23 @@ main()
exit(1);
}
d = ULONG_TESTVALUE;
ul = (unsigned long)d;
/* unsigned long vs. {long} double test */
if (sizeof(d) > sizeof(ul)) {
d = ULONG_TESTVALUE;
ul = (unsigned long)d;
printf("testing double vs. long\n");
} else if (sizeof(dt) > sizeof(ul)) {
dt = ULONG_TESTVALUE;
ul = (unsigned long)dt;
printf("testing long double vs. long\n");
} else {
printf("no suitable {long} double type found, skipping "
"\"unsigned long\" test\n");
printf("sizeof(long) = %d, sizeof(double) = %d, "
"sizeof(long double) = %d\n",
sizeof(ul), sizeof(d), sizeof(dt));
goto done;
}
if (ul != ULONG_TESTVALUE) {
printf("FAILED: unsigned long %lu (0x%lx) != %lu (0x%lx)\n",
@ -72,6 +88,7 @@ main()
exit(1);
}
done:
printf("PASSED\n");
exit(0);