Primitive-Collections/src/main/java/speiger/src/collections/utils/SanityChecks.java

31 lines
1.0 KiB
Java

package speiger.src.collections.utils;
public class SanityChecks
{
public static byte castToByte(int value)
{
if(value > Byte.MAX_VALUE || value < Byte.MIN_VALUE) throw new IllegalStateException("Value ["+value+"] out of Byte[-128,127] range");
return (byte)value;
}
public static short castToShort(int value)
{
if(value > Short.MAX_VALUE || value < Short.MIN_VALUE) throw new IllegalStateException("Value ["+value+"] out of Short[-32768,32767] range");
return (short)value;
}
public static char castToChar(int value)
{
if(value > Character.MAX_VALUE || value < Character.MIN_VALUE) throw new IllegalStateException("Value ["+value+"] out of Character[0,65535] range");
return (char)value;
}
public static float castToFloat(double value)
{
if(Double.isNaN(value)) return Float.NaN;
if(Double.isInfinite(value)) return value > 0 ? Float.POSITIVE_INFINITY : Float.NEGATIVE_INFINITY;
if(value < -Float.MAX_VALUE || value > Float.MAX_VALUE) throw new IllegalStateException("Value ["+value+"] out of Float range");
return (float)value;
}
}