/* * Cppcheck - A tool for static C/C++ code analysis * Copyright (C) 2007-2013 Daniel Marjamäki and Cppcheck team. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "mathlib.h" #include "testsuite.h" class TestMathLib : public TestFixture { public: TestMathLib() : TestFixture("TestMathLib") { } private: void run() { TEST_CASE(calculate); TEST_CASE(calculate1); TEST_CASE(convert); TEST_CASE(isint); TEST_CASE(isbin); TEST_CASE(isnegative); TEST_CASE(ispositive); TEST_CASE(isfloat); TEST_CASE(isGreater) TEST_CASE(isGreaterEqual) TEST_CASE(isEqual) TEST_CASE(isNotEqual) TEST_CASE(isLess) TEST_CASE(isLessEqual) TEST_CASE(naninf) } void isGreater() const { ASSERT_EQUALS(true , MathLib::isGreater("1.0", "0.001")); ASSERT_EQUALS(false, MathLib::isGreater("-1.0", "0.001")); } void isGreaterEqual() const { ASSERT_EQUALS(true , MathLib::isGreaterEqual("1.00", "1.0")); ASSERT_EQUALS(true , MathLib::isGreaterEqual("1.001", "1.0")); ASSERT_EQUALS(true , MathLib::isGreaterEqual("1.0", "0.001")); ASSERT_EQUALS(false, MathLib::isGreaterEqual("-1.0", "0.001")); } void isEqual() const { ASSERT_EQUALS(true , MathLib::isEqual("1.0", "1.0")); ASSERT_EQUALS(false , MathLib::isEqual("1.", "1.01")); ASSERT_EQUALS(true , MathLib::isEqual("0.1","1.0E-1")); } void isNotEqual() const { ASSERT_EQUALS(false , MathLib::isNotEqual("1.0", "1.0")); ASSERT_EQUALS(true , MathLib::isNotEqual("1.", "1.01")); } void isLess() const { ASSERT_EQUALS(false , MathLib::isLess("1.0", "0.001")); ASSERT_EQUALS(true , MathLib::isLess("-1.0", "0.001")); } void isLessEqual() const { ASSERT_EQUALS(true , MathLib::isLessEqual("1.00", "1.0")); ASSERT_EQUALS(false , MathLib::isLessEqual("1.001", "1.0")); ASSERT_EQUALS(false , MathLib::isLessEqual("1.0", "0.001")); ASSERT_EQUALS(true , MathLib::isLessEqual("-1.0", "0.001")); } void calculate() const { // addition ASSERT_EQUALS("256", MathLib::add("0xff", "1")); ASSERT_EQUALS("249", MathLib::add("250", "-1")); ASSERT_EQUALS("251", MathLib::add("250", "1")); ASSERT_EQUALS("-2.0" , MathLib::add("-1.", "-1")); ASSERT_EQUALS("-1" , MathLib::add("0", "-1")); ASSERT_EQUALS("1" , MathLib::add("1", "0")); ASSERT_EQUALS("0.0" , MathLib::add("0", "0.")); ASSERT_EQUALS("1.00000001" , MathLib::add("1", "0.00000001")); // #4016 ASSERT_EQUALS("30666.22" , MathLib::add("30666.22", "0.0")); // #4068 // subtraction ASSERT_EQUALS("254", MathLib::subtract("0xff", "1")); ASSERT_EQUALS("251", MathLib::subtract("250", "-1")); ASSERT_EQUALS("249", MathLib::subtract("250", "1")); ASSERT_EQUALS("0.0" , MathLib::subtract("-1.", "-1")); ASSERT_EQUALS("1" , MathLib::subtract("0", "-1")); ASSERT_EQUALS("1" , MathLib::subtract("1", "0")); ASSERT_EQUALS("0.0" , MathLib::subtract("0", "0.")); ASSERT_EQUALS("0.99999999" , MathLib::subtract("1", "0.00000001")); // #4016 ASSERT_EQUALS("30666.22" , MathLib::subtract("30666.22", "0.0")); // #4068 ASSERT_EQUALS("0.0" , MathLib::subtract("0.0", "0.0")); // multiply ASSERT_EQUALS("-0.003" , MathLib::multiply("-1e-3", "3")); ASSERT_EQUALS("-11.96" , MathLib::multiply("-2.3", "5.2")); ASSERT_EQUALS("3000" , MathLib::multiply("1E3", "3")); ASSERT_EQUALS("3000" , MathLib::multiply("1E+3", "3")); ASSERT_EQUALS("3000.0" , MathLib::multiply("1.0E3", "3")); ASSERT_EQUALS("-3000.0" , MathLib::multiply("-1.0E3", "3")); ASSERT_EQUALS("-3000.0" , MathLib::multiply("-1.0E+3", "3")); ASSERT_EQUALS("0.0" , MathLib::multiply("+1.0E+3", "0")); ASSERT_EQUALS("2147483648" , MathLib::multiply("2","1073741824")); ASSERT_EQUALS("536870912" , MathLib::multiply("512","1048576")); // divide ASSERT_EQUALS("1" , MathLib::divide("1", "1")); ASSERT_EQUALS("0" , MathLib::divide("0", "1")); ASSERT_EQUALS("5" , MathLib::divide("-10", "-2")); ASSERT_EQUALS("-2.5", MathLib::divide("-10.", "4")); ASSERT_EQUALS("2.5" , MathLib::divide("-10.", "-4")); ASSERT_EQUALS("5.0" , MathLib::divide("25.5", "5.1")); ASSERT_EQUALS("7.0" , MathLib::divide("21.", "3")); ASSERT_EQUALS("1" , MathLib::divide("3", "2")); ASSERT_THROW(MathLib::divide("123", "0"), InternalError); // throw ASSERT_THROW(MathLib::divide("-9223372036854775808", "-1"), InternalError); // #4520 - out of range => throw MathLib::divide("123", "0.0"); // don't throw // Unknown action should throw exception ASSERT_THROW(MathLib::calculate("1","2",'j'),InternalError); } void calculate1() const { // mod ASSERT_EQUALS("0" , MathLib::calculate("2" , "1" , '%')); ASSERT_EQUALS("0.0" , MathLib::calculate("2.0" , "1.0" , '%')); ASSERT_EQUALS("2" , MathLib::calculate("12" , "5" , '%')); ASSERT_EQUALS("1" , MathLib::calculate("100" , "3" , '%')); ASSERT_EQUALS("12.0" , MathLib::calculate("12.0" , "13.0" , '%')); ASSERT_EQUALS("1.3" , MathLib::calculate("5.3" , "2.0" , '%')); ASSERT_EQUALS("1.7" , MathLib::calculate("18.5" , "4.2" , '%')); ASSERT_THROW(MathLib::calculate("123", "0", '%'), InternalError); // throw MathLib::calculate("123", "0.0", '%'); // don't throw } void convert() const { // ------------------ // tolong conversion: // ------------------ // from hex ASSERT_EQUALS(10 , MathLib::toLongNumber("0xa")); ASSERT_EQUALS(10995 , MathLib::toLongNumber("0x2AF3")); ASSERT_EQUALS(-10 , MathLib::toLongNumber("-0xa")); ASSERT_EQUALS(-10995, MathLib::toLongNumber("-0x2AF3")); ASSERT_EQUALS(10 , MathLib::toLongNumber("+0xa")); ASSERT_EQUALS(10995 , MathLib::toLongNumber("+0x2AF3")); // from octal ASSERT_EQUALS(8 , MathLib::toLongNumber("010")); ASSERT_EQUALS(8 , MathLib::toLongNumber("+010")); ASSERT_EQUALS(-8 , MathLib::toLongNumber("-010")); ASSERT_EQUALS(125 , MathLib::toLongNumber("0175")); ASSERT_EQUALS(125 , MathLib::toLongNumber("+0175")); ASSERT_EQUALS(-125 , MathLib::toLongNumber("-0175")); // from binary ASSERT_EQUALS(0 , MathLib::toLongNumber("0b0")); ASSERT_EQUALS(1 , MathLib::toLongNumber("0b1")); ASSERT_EQUALS(1 , MathLib::toLongNumber("+0b1")); ASSERT_EQUALS(-1 , MathLib::toLongNumber("-0b1")); ASSERT_EQUALS(215 , MathLib::toLongNumber("0b11010111")); ASSERT_EQUALS(-215 , MathLib::toLongNumber("-0b11010111")); ASSERT_EQUALS(215 , MathLib::toLongNumber("0B11010111")); // from base 10 ASSERT_EQUALS(10 , MathLib::toLongNumber("10")); ASSERT_EQUALS(10 , MathLib::toLongNumber("10.")); ASSERT_EQUALS(10 , MathLib::toLongNumber("10.0")); ASSERT_EQUALS(100 , MathLib::toLongNumber("10E+1")); ASSERT_EQUALS(1 , MathLib::toLongNumber("10E-1")); ASSERT_EQUALS(100 , MathLib::toLongNumber("+10E+1")); ASSERT_EQUALS(-1 , MathLib::toLongNumber("-10E-1")); ASSERT_EQUALS(100 , MathLib::toLongNumber("+10.E+1")); ASSERT_EQUALS(-1 , MathLib::toLongNumber("-10.E-1")); ASSERT_EQUALS(100 , MathLib::toLongNumber("+10.0E+1")); ASSERT_EQUALS(-1 , MathLib::toLongNumber("-10.0E-1")); // from long long ASSERT_EQUALS(0xFF00000000000000LL, MathLib::toLongNumber("0xFF00000000000000LL")); ASSERT_EQUALS(0x0A00000000000000LL, MathLib::toLongNumber("0x0A00000000000000LL")); // ----------------- // to double number: // ----------------- ASSERT_EQUALS_DOUBLE(10.0 , MathLib::toDoubleNumber("10")); ASSERT_EQUALS_DOUBLE(1000.0, MathLib::toDoubleNumber("10E+2")); ASSERT_EQUALS_DOUBLE(100.0 , MathLib::toDoubleNumber("1.0E+2")); ASSERT_EQUALS_DOUBLE(-100.0, MathLib::toDoubleNumber("-1.0E+2")); ASSERT_EQUALS_DOUBLE(-1e+10, MathLib::toDoubleNumber("-1.0E+10")); ASSERT_EQUALS_DOUBLE(100.0 , MathLib::toDoubleNumber("+1.0E+2")); ASSERT_EQUALS_DOUBLE(1e+10 , MathLib::toDoubleNumber("+1.0E+10")); ASSERT_EQUALS_DOUBLE(100.0 , MathLib::toDoubleNumber("1.0E+2")); ASSERT_EQUALS_DOUBLE(1e+10 , MathLib::toDoubleNumber("1.0E+10")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0E+0")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0E-0")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0E+00")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0E-00")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("-0E+00")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("+0E-00")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0.")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("0.0")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("-0")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("+0")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("-0.")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("+0.")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("-0.0")); ASSERT_EQUALS_DOUBLE(0.0 , MathLib::toDoubleNumber("+0.0")); // verify: string --> double --> string conversion ASSERT_EQUALS("1.0" , MathLib::toString(MathLib::toDoubleNumber("1.0f"))); ASSERT_EQUALS("1.0" , MathLib::toString(MathLib::toDoubleNumber("1.0"))); ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("0.0f"))); ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("0.0"))); ASSERT_EQUALS("-1.0" , MathLib::toString(MathLib::toDoubleNumber("-1.0f"))); ASSERT_EQUALS("-1.0" , MathLib::toString(MathLib::toDoubleNumber("-1.0"))); ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("-0.0f"))); ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("-0.0"))); ASSERT_EQUALS("1.0" , MathLib::toString(MathLib::toDoubleNumber("+1.0f"))); ASSERT_EQUALS("1.0" , MathLib::toString(MathLib::toDoubleNumber("+1.0"))); ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("+0.0f"))); ASSERT_EQUALS("0.0" , MathLib::toString(MathLib::toDoubleNumber("+0.0"))); } void isint() const { // zero tests ASSERT_EQUALS(true , MathLib::isInt("0")); ASSERT_EQUALS(false, MathLib::isInt("0.")); ASSERT_EQUALS(false, MathLib::isInt("0.0")); ASSERT_EQUALS(false, MathLib::isInt("-0.")); ASSERT_EQUALS(false, MathLib::isInt("+0.")); ASSERT_EQUALS(false, MathLib::isInt("-0.0")); ASSERT_EQUALS(false, MathLib::isInt("+0.0")); ASSERT_EQUALS(false, MathLib::isInt("+0.0E+1")); ASSERT_EQUALS(false, MathLib::isInt("+0.0E-1")); ASSERT_EQUALS(false, MathLib::isInt("-0.0E+1")); ASSERT_EQUALS(false, MathLib::isInt("-0.0E-1")); ASSERT_EQUALS(true , MathLib::isInt("1")); ASSERT_EQUALS(true , MathLib::isInt("-1")); ASSERT_EQUALS(true , MathLib::isInt("+1")); ASSERT_EQUALS(true , MathLib::isInt("+1E+1")); ASSERT_EQUALS(true , MathLib::isInt("+1E+10000")); ASSERT_EQUALS(true , MathLib::isInt("-1E+1")); ASSERT_EQUALS(true , MathLib::isInt("-1E+10000")); ASSERT_EQUALS(false, MathLib::isInt("-1E-1")); ASSERT_EQUALS(false, MathLib::isInt("-1E-10000")); ASSERT_EQUALS(true , MathLib::isInt("0xff")); ASSERT_EQUALS(true , MathLib::isInt("0xa")); ASSERT_EQUALS(true , MathLib::isInt("0l")); ASSERT_EQUALS(true , MathLib::isInt("0L")); ASSERT_EQUALS(true , MathLib::isInt("0ul")); ASSERT_EQUALS(true , MathLib::isInt("0ull")); ASSERT_EQUALS(true , MathLib::isInt("0llu")); ASSERT_EQUALS(true , MathLib::isInt("333L")); ASSERT_EQUALS(true , MathLib::isInt("330L")); ASSERT_EQUALS(true , MathLib::isInt("330llu")); ASSERT_EQUALS(true , MathLib::isInt("07")); ASSERT_EQUALS(true , MathLib::isInt("0123")); ASSERT_EQUALS(false, MathLib::isInt("0.4")); ASSERT_EQUALS(false, MathLib::isInt("2352.3f")); ASSERT_EQUALS(false, MathLib::isInt("0.00004")); ASSERT_EQUALS(false, MathLib::isInt("2352.00001f")); ASSERT_EQUALS(false, MathLib::isInt(".4")); ASSERT_EQUALS(false, MathLib::isInt("1.0E+1")); ASSERT_EQUALS(false, MathLib::isInt("1.0E-1")); ASSERT_EQUALS(false, MathLib::isInt("-1.0E+1")); ASSERT_EQUALS(false, MathLib::isInt("+1.0E-1")); ASSERT_EQUALS(false, MathLib::isInt("-1.E+1")); ASSERT_EQUALS(false, MathLib::isInt("+1.E-1")); ASSERT_EQUALS(false, MathLib::isInt(" 1.0E+1")); // with whitespace in front ASSERT_EQUALS(false, MathLib::isInt(" 1.0E-1")); ASSERT_EQUALS(false, MathLib::isInt(" -1.0E+1")); ASSERT_EQUALS(false, MathLib::isInt(" +1.0E-1")); ASSERT_EQUALS(false, MathLib::isInt(" -1.E+1")); ASSERT_EQUALS(false, MathLib::isInt(" +1.E-1")); // with whitespace in front and end ASSERT_EQUALS(false, MathLib::isInt(" 1.0E-1 ")); ASSERT_EQUALS(false, MathLib::isInt(" -1.0E+1 ")); ASSERT_EQUALS(false, MathLib::isInt(" +1.0E-1 ")); ASSERT_EQUALS(false, MathLib::isInt(" -1.E+1 ")); ASSERT_EQUALS(false, MathLib::isInt(" +1.E-1 ")); // with whitespace in front and end ASSERT_EQUALS(false, MathLib::isInt("1.0E-1 ")); ASSERT_EQUALS(false, MathLib::isInt("-1.0E+1 ")); ASSERT_EQUALS(false, MathLib::isInt("+1.0E-1 ")); ASSERT_EQUALS(false, MathLib::isInt("-1.E+1 ")); ASSERT_EQUALS(false, MathLib::isInt("+1.E-1 ")); // test some garbage ASSERT_EQUALS(false, MathLib::isInt("u")); ASSERT_EQUALS(false, MathLib::isInt("l")); ASSERT_EQUALS(false, MathLib::isInt("ul")); ASSERT_EQUALS(false, MathLib::isInt("ll")); ASSERT_EQUALS(false, MathLib::isInt("U")); ASSERT_EQUALS(false, MathLib::isInt("L")); ASSERT_EQUALS(false, MathLib::isInt("uL")); ASSERT_EQUALS(false, MathLib::isInt("LL")); } void isbin() { // positive testing ASSERT_EQUALS(true, MathLib::isBin("0b0")); ASSERT_EQUALS(true, MathLib::isBin("0b1")); ASSERT_EQUALS(true, MathLib::isBin("+0b1")); ASSERT_EQUALS(true, MathLib::isBin("-0b1")); ASSERT_EQUALS(true, MathLib::isBin("0b11010111")); ASSERT_EQUALS(true, MathLib::isBin("-0b11010111")); ASSERT_EQUALS(true, MathLib::isBin("0B11010111")); ASSERT_EQUALS(true, MathLib::isBin("0b11010111u")); ASSERT_EQUALS(true, MathLib::isBin("0b11010111ul")); ASSERT_EQUALS(true, MathLib::isBin("0b11010111ull")); ASSERT_EQUALS(true, MathLib::isBin("0b11010111l")); ASSERT_EQUALS(true, MathLib::isBin("0b11010111ll")); ASSERT_EQUALS(true, MathLib::isBin("0b11010111llu")); ASSERT_EQUALS(true, MathLib::isBin("0b11010111l")); ASSERT_EQUALS(true, MathLib::isBin("0b11010111lu")); ASSERT_EQUALS(false, MathLib::isBin("0b11010111lul")); // Suffix LUL not allowed // negative testing ASSERT_EQUALS(false, MathLib::isBin("100101bx")); ASSERT_EQUALS(false, MathLib::isBin("0")); ASSERT_EQUALS(false, MathLib::isBin("0B")); ASSERT_EQUALS(false, MathLib::isBin("0C")); ASSERT_EQUALS(false, MathLib::isBin("+0B")); ASSERT_EQUALS(false, MathLib::isBin("-0B")); ASSERT_EQUALS(false, MathLib::isBin("-0Bx")); ASSERT_EQUALS(false, MathLib::isBin("0b11010111x")); ASSERT_EQUALS(false, MathLib::isBin("0b11010111ux")); ASSERT_EQUALS(false, MathLib::isBin("0b11010111lx")); ASSERT_EQUALS(false, MathLib::isBin("0b11010111lux")); ASSERT_EQUALS(false, MathLib::isBin("0b11010111ulx")); ASSERT_EQUALS(false, MathLib::isBin("0b11010111lulx")); ASSERT_EQUALS(false, MathLib::isBin("0b11010111ullx")); ASSERT_EQUALS(false, MathLib::isBin("0b11010111lll")); // test empty string ASSERT_EQUALS(false, MathLib::isBin("")); } void isnegative() const { ASSERT_EQUALS(true , MathLib::isNegative("-1")); ASSERT_EQUALS(true , MathLib::isNegative("-1.")); ASSERT_EQUALS(true , MathLib::isNegative("-1.0")); ASSERT_EQUALS(true , MathLib::isNegative("-1.0E+2")); ASSERT_EQUALS(true , MathLib::isNegative("-1.0E-2")); ASSERT_EQUALS(false, MathLib::isNegative("+1")); ASSERT_EQUALS(false, MathLib::isNegative("+1.")); ASSERT_EQUALS(false, MathLib::isNegative("+1.0")); ASSERT_EQUALS(false, MathLib::isNegative("+1.0E+2")); ASSERT_EQUALS(false, MathLib::isNegative("+1.0E-2")); } void ispositive() const { ASSERT_EQUALS(false, MathLib::isPositive("-1")); ASSERT_EQUALS(false, MathLib::isPositive("-1.")); ASSERT_EQUALS(false, MathLib::isPositive("-1.0")); ASSERT_EQUALS(false, MathLib::isPositive("-1.0E+2")); ASSERT_EQUALS(false, MathLib::isPositive("-1.0E-2")); ASSERT_EQUALS(true , MathLib::isPositive("+1")); ASSERT_EQUALS(true , MathLib::isPositive("+1.")); ASSERT_EQUALS(true , MathLib::isPositive("+1.0")); ASSERT_EQUALS(true , MathLib::isPositive("+1.0E+2")); ASSERT_EQUALS(true , MathLib::isPositive("+1.0E-2")); } void isfloat() const { ASSERT_EQUALS(false, MathLib::isFloat("0")); ASSERT_EQUALS(true , MathLib::isFloat("0.")); ASSERT_EQUALS(true , MathLib::isFloat("0.0")); ASSERT_EQUALS(true , MathLib::isFloat("-0.")); ASSERT_EQUALS(true , MathLib::isFloat("+0.")); ASSERT_EQUALS(true , MathLib::isFloat("-0.0")); ASSERT_EQUALS(true , MathLib::isFloat("+0.0")); ASSERT_EQUALS(true , MathLib::isFloat("+0.0E+1")); ASSERT_EQUALS(true , MathLib::isFloat("+0.0E-1")); ASSERT_EQUALS(true , MathLib::isFloat("-0.0E+1")); ASSERT_EQUALS(true , MathLib::isFloat("-0.0E-1")); ASSERT_EQUALS(false , MathLib::isFloat("1")); ASSERT_EQUALS(false , MathLib::isFloat("-1")); ASSERT_EQUALS(false , MathLib::isFloat("+1")); ASSERT_EQUALS(false , MathLib::isFloat("+1E+1")); ASSERT_EQUALS(false , MathLib::isFloat("+1E+10000")); ASSERT_EQUALS(false , MathLib::isFloat("-1E+1")); ASSERT_EQUALS(false , MathLib::isFloat("-1E+10000")); ASSERT_EQUALS(true , MathLib::isFloat(".1250E+04")); ASSERT_EQUALS(true , MathLib::isFloat("-1E-1")); ASSERT_EQUALS(true , MathLib::isFloat("-1E-10000")); ASSERT_EQUALS(true , MathLib::isFloat("0.4")); ASSERT_EQUALS(true , MathLib::isFloat("2352.3f")); ASSERT_EQUALS(true , MathLib::isFloat("0.00004")); ASSERT_EQUALS(true , MathLib::isFloat("2352.00001f")); ASSERT_EQUALS(true , MathLib::isFloat(".4")); ASSERT_EQUALS(true , MathLib::isFloat("1.0E+1")); ASSERT_EQUALS(true , MathLib::isFloat("1.0E-1")); ASSERT_EQUALS(true , MathLib::isFloat("-1.0E+1")); } void naninf() { ASSERT_EQUALS("nan.0", MathLib::divide("0.0", "0.0")); // nan ASSERT_EQUALS("inf.0", MathLib::divide("3.0", "0.0")); // inf ASSERT_EQUALS("-inf.0", MathLib::divide("-3.0", "0.0")); // -inf (#5142) } }; REGISTER_TEST(TestMathLib)