#*****************************************************************************
# Copyright 2004-2008 Steve Menard
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#*****************************************************************************
from jpype import JPackage,java,JFloat
import unittest, common, sys
def suite() :
return unittest.makeSuite(NumericTestCase)
class NumericTestCase(common.JPypeTestCase) :
def testMathAbs(self) :
assert java.lang.Math.abs(-10) == 10
def testDoubleConversion(self) :
f = java.lang.Float.MAX_VALUE * 2
jpype = JPackage("jpype")
assert jpype.numeric.NumericTest.doubleIsTwiceMaxFloat(f)
def testDoubleIsProperlyConverted(self) :
if sys.platform.find("linux") != -1 :
# double comparison on linux is broken ... Nan == 0.0!!!
print java.lang.Double.NaN, " != ", 0.0, " -> ", bool(java.lang.Double.NaN != 0.0), " == -> ", bool(java.lang.Double.NaN == 0.0)
else :
assert java.lang.Double.NEGATIVE_INFINITY != 0.0
assert java.lang.Double.MAX_VALUE != 0.0
assert java.lang.Double.NaN != 0.0
assert java.lang.Double.POSITIVE_INFINITY != 0.0
def testNegativeJFloatWrapper(self):
f = JFloat(-1)
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