/// <summary>
/// elementwise logical 'or' operator
/// </summary>
/// <param name="A">input array A</param>
/// <param name="B">input array B</param>
/// <returns>logical array of same size as A and B, elements with result of logical 'or'.</returns>
/// <remarks>A and B must have the same size or either one may be scalar.</remarks>
public static ILLogicalArray or( ILArray<Int64> A, ILArray<Int64> B) {
if (A == null || B == null)
throw new ILArgumentException ("ILMath.and: A and B must be matrices and cannot be null!");
if (!A.Dimensions.IsSameShape(B.Dimensions))
throw new ILArgumentException("input arrays must have the same size");
if (A.IsEmpty || B.IsEmpty)
return ILLogicalArray.empty(A.Dimensions);
if (A.IsScalar) {
if (A.GetValue(0) == 0) return B != 0.0;
return tological(ones(B.Dimensions));
} else if (B.IsScalar) {
if (B.GetValue(0) == 0) return A != 0.0;
return tological(ones(A.Dimensions));
}
oplogical_int64int64 helper = new oplogical_int64int64 ();
return LogicalBinaryInt64Operator (A, B, helper.or);
}
/// <summary>
/// elementwise logical 'and' operator
/// </summary>
/// <param name="A">input array A</param>
/// <param name="B">input array B</param>
/// <returns>logical array of same size as A and B, elements with result of logical 'and'.</returns>
/// <remarks>A and B must have the same size or either one may be scalar. If one of A or B is empty,
/// an empty array of the same inner element type is returned.</remarks>
public static ILLogicalArray and( ILArray<Int64> A, ILArray<Int64> B) {
if (A == null || B == null)
throw new ILArgumentException ("ILMath.and: A and B must be matrices and cannot be null!");
if (!A.Dimensions.IsSameShape(B.Dimensions))
throw new ILArgumentException("input arrays must have the same size");
if (A.IsEmpty || B.IsEmpty)
return ILLogicalArray.empty(A.Dimensions);
if (A.IsScalar) {
if (A.GetValue(0) != 0) return B != 0.0;
byte[] ret = ILMemoryPool.Pool.New<byte>(B.Dimensions.NumberOfElements);
return new ILLogicalArray(ret, B.Dimensions,0);
} else if (B.IsScalar) {
if (B.GetValue(0) != 0) return A != 0.0;
byte[] ret = ILMemoryPool.Pool.New<byte>(A.Dimensions.NumberOfElements);
return new ILLogicalArray(ret, A.Dimensions,0);
}
oplogical_int64int64 helper = new oplogical_int64int64 ();
return LogicalBinaryInt64Operator (A, B, helper.and);
}
