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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
This commit is contained in:
Leonardo de Moura 2012-10-21 22:16:58 -07:00
parent 142bf71b35
commit 9359ab7ce5
124 changed files with 2 additions and 0 deletions
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src/test/mpf.cpp Normal file
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/*++
Copyright (c) 2012 Microsoft Corporation
Module Name:
mpf.cpp
Abstract:
mpf repros...
Author:
Leonardo de Moura (leonardo) 2012-08-21.
Revision History:
--*/
#include"mpf.h"
#include"f2n.h"
static void bug_set_int() {
mpf_manager fm;
scoped_mpf a(fm);
fm.set(a, 11, 53, 3);
SASSERT(fm.to_double(a) == 3.0);
fm.set(a, 11, 53, 0);
SASSERT(fm.to_double(a) == 0.0);
fm.set(a, 11, 53, -1);
SASSERT(fm.to_double(a) == -1.0);
fm.set(a, 11, 53, INT_MAX);
SASSERT(fm.to_double(a) == (double)INT_MAX);
fm.set(a, 11, 53, INT_MIN);
SASSERT(fm.to_double(a) == (double)INT_MIN);
fm.set(a, 8, 24, 3);
SASSERT(fm.to_float(a) == 3.0);
SASSERT(fm.to_double(a) == 3.0);
fm.set(a, 8, 24, 0);
SASSERT(fm.to_float(a) == 0.0);
SASSERT(fm.to_double(a) == 0.0);
fm.set(a, 8, 24, -1);
SASSERT(fm.to_float(a) == -1.0);
SASSERT(fm.to_double(a) == -1.0);
fm.set(a, 8, 24, INT_MIN);
SASSERT(fm.to_float(a) == (float)INT_MIN);
// CMW: This one depends on the rounding mode, but fm.set(..., int) doesn't have one.
// fm.set(a, 8, 24, INT_MAX);
// SASSERT(fm.to_float(a) == (float)INT_MAX);
}
static void bug_set_double() {
mpf_manager fm;
scoped_mpf a(fm);
fm.set(a, 11, 53, 2.5);
SASSERT(fm.to_double(a) == 2.5);
fm.set(a, 11, 53, -42.25);
SASSERT(fm.to_double(a) == -42.25);
fm.set(a, 8, 24, (double)2.5);
SASSERT(fm.to_double(a) == 2.5);
fm.set(a, 8, 24, (double)-42.25);
SASSERT(fm.to_double(a) == -42.25);
fm.set(a, 8, 24, (float)2.5);
SASSERT(fm.to_float(a) == 2.5);
fm.set(a, 8, 24, (float)-42.25);
SASSERT(fm.to_float(a) == -42.25);
}
void tst_mpf() {
enable_trace("mpf_mul_bug");
bug_set_int();
bug_set_double();
}