C++ (Cpp) ieee754dp_one Examples

Example #1

File: ieee754m.c Project: CSCLOG/beaglebone

ieee754dp ieee754dp_ceil(ieee754dp x)
{
	ieee754dp i;

	if (ieee754dp_gt(ieee754dp_modf(x, &i), ieee754dp_zero(0)))
		return ieee754dp_add(i, ieee754dp_one(0));
	else
		return i;
}

Example #2

File: ieee754m.c Project: CSCLOG/beaglebone

ieee754dp ieee754dp_floor(ieee754dp x)
{
	ieee754dp i;

	if (ieee754dp_lt(ieee754dp_modf(x, &i), ieee754dp_zero(0)))
		return ieee754dp_sub(i, ieee754dp_one(0));
	else
		return i;
}

Example #3

File: dp_fint.c Project: Core2idiot/Kernel-Samsung-3.0...-

ieee754dp ieee754dp_fint(int x)
{
	u64 xm;
	int xe;
	int xs;

	CLEARCX;

	if (x == 0)
		return ieee754dp_zero(0);
	if (x == 1 || x == -1)
		return ieee754dp_one(x < 0);
	if (x == 10 || x == -10)
		return ieee754dp_ten(x < 0);

	xs = (x < 0);
	if (xs) {
		if (x == (1 << 31))
			xm = ((unsigned) 1 << 31);	/* max neg can't be safely negated */
		else
			xm = -x;
	} else {
		xm = x;
	}

#if 1
	/* normalize - result can never be inexact or overflow */
	xe = DP_MBITS;
	while ((xm >> DP_MBITS) == 0) {
		xm <<= 1;
		xe--;
	}
	return builddp(xs, xe + DP_EBIAS, xm & ~DP_HIDDEN_BIT);
#else
	/* normalize */
	xe = DP_MBITS + 3;
	while ((xm >> (DP_MBITS + 3)) == 0) {
		xm <<= 1;
		xe--;
	}
	DPNORMRET1(xs, xe, xm, "fint", x);
#endif
}

Example #4

File: dp_fint.c Project: Blackburn29/PsycoKernel

ieee754dp ieee754dp_fint(int x)
{
	u64 xm;
	int xe;
	int xs;

	CLEARCX;

	if (x == 0)
		return ieee754dp_zero(0);
	if (x == 1 || x == -1)
		return ieee754dp_one(x < 0);
	if (x == 10 || x == -10)
		return ieee754dp_ten(x < 0);

	xs = (x < 0);
	if (xs) {
		if (x == (1 << 31))
			xm = ((unsigned) 1 << 31);	
		else
			xm = -x;
	} else {
		xm = x;
	}

#if 1
	
	xe = DP_MBITS;
	while ((xm >> DP_MBITS) == 0) {
		xm <<= 1;
		xe--;
	}
	return builddp(xs, xe + DP_EBIAS, xm & ~DP_HIDDEN_BIT);
#else
	
	xe = DP_MBITS + 3;
	while ((xm >> (DP_MBITS + 3)) == 0) {
		xm <<= 1;
		xe--;
	}
	DPNORMRET1(xs, xe, xm, "fint", x);
#endif
}