view run/double_22.d @ 812:eaf0a0d20b60

Walter <walter@digitalmars.com> 2006-01-29 mail:002601c62518$68a870b0$0400a8c0@colossus
author thomask
date Sun, 05 Feb 2006 09:58:23 +0000
parents e77e4444c170
children
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// $HeadURL$
// $Date$
// $Author$

// @author@	Derek Parnell <derek@psych.ward>
// @date@	2005-04-02
// @uri@	news:5efpfwr0e1l5$.ks45nx0xz2zf$.dlg@40tude.net

// For floating point operations and expression intermediate values,
// a greater precision can be used than the type of the expression.
// Only the minimum precision is set by the types of the operands,
// not the maximum.
 
module dstress.run.double_22;

int main(){
	double f = 0.0000195;
	assert(typeid(typeof(0.0000195)) == typeid(double));

	real diff = (0.5 + f * 1e6) - (0.5 + 0.0000195 * 1e6);


	if(diff < 0){
		diff *= -1;
	}

	if(diff < double.epsilon * 8){
		return 0;
	}
}