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Add regression tests for printf's %a/%A formats.

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While here, disable some of the long double tests on i386, since
FreeBSD/i386 is the only port that doesn't evaluate long doubles in
their full precision (due to constant folding bugs in gcc).
This commit is contained in:
das 2004-01-19 05:59:07 +00:00
parent 8bba23bcd3
commit b34ba9267d
1 changed files with 38 additions and 1 deletions
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39
tools/regression/lib/libc/stdio/test-printfloat.c
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@ -34,6 +34,7 @@ __FBSDID("$FreeBSD$");
#include <assert.h>
#include <err.h>
#include <float.h>
#include <ieeefp.h>
#include <locale.h>
#include <math.h>
#include <stdio.h>
@ -69,7 +70,7 @@ main(int argc, char *argv[])
testfmt("1234567.800000", "%Lf", 1234567.8L);
testfmt("1.23457E+06", "%LG", 1234567.8L);
#if LDBL_MANT_DIG > DBL_MANT_DIG
#if (LDBL_MANT_DIG > DBL_MANT_DIG) && !defined(__i386__)
testfmt("123456789.864210", "%Lf", 123456789.8642097531L);
testfmt("-1.23457E+08", "%LG", -123456789.8642097531L);
testfmt("123456789.8642097531", "%.10Lf", 123456789.8642097531L);
@ -159,6 +160,42 @@ main(int argc, char *argv[])
testfmt("9.0e+01", "%4.1e", 90.0);
testfmt("1e+02", "%4.0e", 100.0);
/*
* Hexadecimal floating point (%a, %A) tests. Some of these
* are only valid if the implementation converts to hex digits
* on nibble boundaries.
*/
testfmt("0x0p+0", "%a", 0x0.0p0);
testfmt("0X0.P+0", "%#LA", 0x0.0p0L);
testfmt("inf", "%La", (long double)INFINITY);
testfmt("+INF", "%+A", INFINITY);
testfmt("nan", "%La", (long double)NAN);
testfmt("NAN", "%A", NAN);
testfmt(" 0x1.23p+0", "%10a", 0x1.23p0);
testfmt(" 0x1.23p-500", "%12a", 0x1.23p-500);
testfmt(" 0x1.2p+40", "%10.1a", 0x1.23p40);
testfmt(" 0X1.230000000000000000000000P-4", "%32.24A", 0x1.23p-4);
#if (LDBL_MANT_DIG == 64) && !defined(__i386__)
testfmt("0xc.90fdaa22168c234p-2", "%La", 0x3.243f6a8885a308dp0L);
#elif (LDBL_MANT_DIG == 113)
testfmt("0x1.921fb54442d18469898cc51701b8p+1", "%La",
0x3.243f6a8885a308d313198a2e037p0L);
#else
testfmt("0xc.90fdaa22168cp-2", "%La", 0x3.243f6a8885a31p0L);
#endif
fpsetround(FP_RN);
testfmt("0x1.23456789abcdep+4", "%a", 0x1.23456789abcdep4);
testfmt("0X1.23456789ABDP+0", "%.11A", 0x1.23456789abcdep0);
testfmt("-0x1.23456p+0", "%.5a", -0x1.23456789abcdep0);
testfmt("0x1.234568p+0", "%.6a", 0x1.23456789abcdep0);
testfmt("-0x1.234566p+0", "%.6a", -0x1.23456689abcdep0);
testfmt("0x2.00p-1030", "%.2a", 0x1.fffp-1030);
testfmt("0x1.00p-1026", "%.2a", 0xf.fffp-1030);
printf("PASS printfloat\n");
return (0);