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Replaced mask constant by explicit local constants. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1461283 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Luc Maisonobe 2013-03-26 19:48:08 +00:00
parent bb8a2a68ec
commit ce9c345ef7
1 changed files with 8 additions and 2 deletions
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10
src/main/java/org/apache/commons/math3/util/FastMath.java
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@ -307,6 +307,12 @@ public class FastMath {
/** Mask used to clear low order 30 bits */
private static final long MASK_30BITS = -1L - (HEX_40000000 -1); // 0xFFFFFFFFC0000000L;
/** Mask used to clear the non-sign part of an int. */
private static final int MASK_NON_SIGN_INT = 0x7fffffff;
/** Mask used to clear the non-sign part of a long. */
private static final long MASK_NON_SIGN_LONG = 0x7fffffffffffffffl;
/** 2^52 - double numbers this large must be integral (no fraction) or NaN or Infinite */
private static final double TWO_POWER_52 = 4503599627370496.0;
/** 2^53 - double numbers this large must be even. */
@ -3011,7 +3017,7 @@ public class FastMath {
* @return abs(x)
*/
public static float abs(final float x) {
return Float.intBitsToFloat(Integer.MAX_VALUE & Float.floatToRawIntBits(x));
return Float.intBitsToFloat(MASK_NON_SIGN_INT & Float.floatToRawIntBits(x));
}
/**
@ -3020,7 +3026,7 @@ public class FastMath {
* @return abs(x)
*/
public static double abs(double x) {
return Double.longBitsToDouble(Long.MAX_VALUE & Double.doubleToRawLongBits(x));
return Double.longBitsToDouble(MASK_NON_SIGN_LONG & Double.doubleToRawLongBits(x));
}
/**