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Allow for specific atan2 and toRadians off-by-one errors 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1063032 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sebastian Bazley 2011-01-24 22:26:31 +00:00
parent 7b09face70
commit 1659159855
1 changed files with 23 additions and 17 deletions
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14
src/test/java/org/apache/commons/math/util/FastMathStrictComparisonTest.java
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@ -96,21 +96,28 @@ public class FastMathStrictComparisonTest {
}
private static void reportFailedResults(Method mathMethod, Object[] params, Object expected, Object actual, int[] entries){
final String methodName = mathMethod.getName();
String format = null;
long actL=0;
long expL=0;
if (expected instanceof Double) {
Double exp = (Double) expected;
Double act = (Double) actual;
if (isNumber(exp) && isNumber(act)) { // show difference as hex
if (isNumber(exp) && isNumber(act) && exp != 0) { // show difference as hex
actL = Double.doubleToLongBits(act);
expL = Double.doubleToLongBits(exp);
if (Math.abs(actL-expL)==1) {
// Not 100% sure off-by-one errors are allowed everywhere, so only allow for these methods
if (methodName.equals("toRadians") || methodName.equals("atan2")) {
return;
}
}
format = "%016x";
}
} else if (expected instanceof Float ){
Float exp = (Float) expected;
Float act = (Float) actual;
if (isNumber(exp) && isNumber(act)) { // show difference as hex
if (isNumber(exp) && isNumber(act) && exp != 0) { // show difference as hex
actL = Float.floatToIntBits(act);
expL = Float.floatToIntBits(exp);
format = "%08x";
@ -119,7 +126,7 @@ public class FastMathStrictComparisonTest {
StringBuilder sb = new StringBuilder();
sb.append(mathMethod.getReturnType().getSimpleName());
sb.append(" ");
sb.append(mathMethod.getName());
sb.append(methodName);
sb.append("(");
String sep = "";
for(Object o : params){
@ -238,5 +245,4 @@ public class FastMathStrictComparisonTest {
}
return list;
}
}