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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package math
/*
* floor and ceil-- greatest integer <= arg
* (resp least >=)
*/
export func
floor(arg float64) float64
{
var fract, d float64;
d = arg;
if d < 0 {
d,fract = sys.modf(-d);
if fract != 0.0 {
d = d+1;
}
return -d;
}
d,fract = sys.modf(d);
return d;
}
export func
ceil(arg float64) float64
{
return -floor(-arg);
}
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