Функция pow в Qt
Встретился с вообще непонятной ситуацией. Язык C++, оболочка Qt.
/** * GeSHi (C) 2004 - 2007 Nigel McNie, 2007 - 2008 Benny Baumann * (http://qbnz.com/highlighter/ and http://geshi.org/) */ .cpp.geshi_code {font-family:monospace;} .cpp.geshi_code .imp {font-weight: bold; color: red;} .cpp.geshi_code .kw1 {color: #0000ff;} .cpp.geshi_code .kw2 {color: #0000ff;} .cpp.geshi_code .kw3 {color: #0000dd;} .cpp.geshi_code .kw4 {color: #0000ff;} .cpp.geshi_code .co1 {color: #666666;} .cpp.geshi_code .co2 {color: #339900;} .cpp.geshi_code .coMULTI {color: #ff0000; font-style: italic;} .cpp.geshi_code .es0 {color: #000099; font-weight: bold;} .cpp.geshi_code .es1 {color: #000099; font-weight: bold;} .cpp.geshi_code .es2 {color: #660099; font-weight: bold;} .cpp.geshi_code .es3 {color: #660099; font-weight: bold;} .cpp.geshi_code .es4 {color: #660099; font-weight: bold;} .cpp.geshi_code .es5 {color: #006699; font-weight: bold;} .cpp.geshi_code .br0 {color: #008000;} .cpp.geshi_code .sy0 {color: #008000;} .cpp.geshi_code .sy1 {color: #000080;} .cpp.geshi_code .sy2 {color: #000040;} .cpp.geshi_code .sy3 {color: #000040;} .cpp.geshi_code .sy4 {color: #008080;} .cpp.geshi_code .st0 {color: #FF0000;} .cpp.geshi_code .nu0 {color: #0000dd;} .cpp.geshi_code .nu6 {color: #208080;} .cpp.geshi_code .nu8 {color: #208080;} .cpp.geshi_code .nu12 {color: #208080;} .cpp.geshi_code .nu16 {color:#800080;} .cpp.geshi_code .nu17 {color:#800080;} .cpp.geshi_code .nu18 {color:#800080;} .cpp.geshi_code .nu19 {color:#800080;} .cpp.geshi_code .me1 {color: #007788;} .cpp.geshi_code .me2 {color: #007788;} .cpp.geshi_code span.xtra { display:block; }
pow(12,(1/3));
ans=1
/** * GeSHi (C) 2004 - 2007 Nigel McNie, 2007 - 2008 Benny Baumann * (http://qbnz.com/highlighter/ and http://geshi.org/) */ .cpp.geshi_code {font-family:monospace;} .cpp.geshi_code .imp {font-weight: bold; color: red;} .cpp.geshi_code .kw1 {color: #0000ff;} .cpp.geshi_code .kw2 {color: #0000ff;} .cpp.geshi_code .kw3 {color: #0000dd;} .cpp.geshi_code .kw4 {color: #0000ff;} .cpp.geshi_code .co1 {color: #666666;} .cpp.geshi_code .co2 {color: #339900;} .cpp.geshi_code .coMULTI {color: #ff0000; font-style: italic;} .cpp.geshi_code .es0 {color: #000099; font-weight: bold;} .cpp.geshi_code .es1 {color: #000099; font-weight: bold;} .cpp.geshi_code .es2 {color: #660099; font-weight: bold;} .cpp.geshi_code .es3 {color: #660099; font-weight: bold;} .cpp.geshi_code .es4 {color: #660099; font-weight: bold;} .cpp.geshi_code .es5 {color: #006699; font-weight: bold;} .cpp.geshi_code .br0 {color: #008000;} .cpp.geshi_code .sy0 {color: #008000;} .cpp.geshi_code .sy1 {color: #000080;} .cpp.geshi_code .sy2 {color: #000040;} .cpp.geshi_code .sy3 {color: #000040;} .cpp.geshi_code .sy4 {color: #008080;} .cpp.geshi_code .st0 {color: #FF0000;} .cpp.geshi_code .nu0 {color: #0000dd;} .cpp.geshi_code .nu6 {color: #208080;} .cpp.geshi_code .nu8 {color: #208080;} .cpp.geshi_code .nu12 {color: #208080;} .cpp.geshi_code .nu16 {color:#800080;} .cpp.geshi_code .nu17 {color:#800080;} .cpp.geshi_code .nu18 {color:#800080;} .cpp.geshi_code .nu19 {color:#800080;} .cpp.geshi_code .me1 {color: #007788;} .cpp.geshi_code .me2 {color: #007788;} .cpp.geshi_code span.xtra { display:block; }
pow(12,(0.3333333333333))
ans=2.28943
Согласно гугловскому калькулятору - 2.28942848511
Подскажите, что делать?
/** * GeSHi (C) 2004 - 2007 Nigel McNie, 2007 - 2008 Benny Baumann * (http://qbnz.com/highlighter/ and http://geshi.org/) */ .cpp.geshi_code {font-family:monospace;} .cpp.geshi_code .imp {font-weight: bold; color: red;} .cpp.geshi_code .kw1 {color: #0000ff;} .cpp.geshi_code .kw2 {color: #0000ff;} .cpp.geshi_code .kw3 {color: #0000dd;} .cpp.geshi_code .kw4 {color: #0000ff;} .cpp.geshi_code .co1 {color: #666666;} .cpp.geshi_code .co2 {color: #339900;} .cpp.geshi_code .coMULTI {color: #ff0000; font-style: italic;} .cpp.geshi_code .es0 {color: #000099; font-weight: bold;} .cpp.geshi_code .es1 {color: #000099; font-weight: bold;} .cpp.geshi_code .es2 {color: #660099; font-weight: bold;} .cpp.geshi_code .es3 {color: #660099; font-weight: bold;} .cpp.geshi_code .es4 {color: #660099; font-weight: bold;} .cpp.geshi_code .es5 {color: #006699; font-weight: bold;} .cpp.geshi_code .br0 {color: #008000;} .cpp.geshi_code .sy0 {color: #008000;} .cpp.geshi_code .sy1 {color: #000080;} .cpp.geshi_code .sy2 {color: #000040;} .cpp.geshi_code .sy3 {color: #000040;} .cpp.geshi_code .sy4 {color: #008080;} .cpp.geshi_code .st0 {color: #FF0000;} .cpp.geshi_code .nu0 {color: #0000dd;} .cpp.geshi_code .nu6 {color: #208080;} .cpp.geshi_code .nu8 {color: #208080;} .cpp.geshi_code .nu12 {color: #208080;} .cpp.geshi_code .nu16 {color:#800080;} .cpp.geshi_code .nu17 {color:#800080;} .cpp.geshi_code .nu18 {color:#800080;} .cpp.geshi_code .nu19 {color:#800080;} .cpp.geshi_code .me1 {color: #007788;} .cpp.geshi_code .me2 {color: #007788;} .cpp.geshi_code span.xtra { display:block; }
pow(12,(1/3));
ans=1
/** * GeSHi (C) 2004 - 2007 Nigel McNie, 2007 - 2008 Benny Baumann * (http://qbnz.com/highlighter/ and http://geshi.org/) */ .cpp.geshi_code {font-family:monospace;} .cpp.geshi_code .imp {font-weight: bold; color: red;} .cpp.geshi_code .kw1 {color: #0000ff;} .cpp.geshi_code .kw2 {color: #0000ff;} .cpp.geshi_code .kw3 {color: #0000dd;} .cpp.geshi_code .kw4 {color: #0000ff;} .cpp.geshi_code .co1 {color: #666666;} .cpp.geshi_code .co2 {color: #339900;} .cpp.geshi_code .coMULTI {color: #ff0000; font-style: italic;} .cpp.geshi_code .es0 {color: #000099; font-weight: bold;} .cpp.geshi_code .es1 {color: #000099; font-weight: bold;} .cpp.geshi_code .es2 {color: #660099; font-weight: bold;} .cpp.geshi_code .es3 {color: #660099; font-weight: bold;} .cpp.geshi_code .es4 {color: #660099; font-weight: bold;} .cpp.geshi_code .es5 {color: #006699; font-weight: bold;} .cpp.geshi_code .br0 {color: #008000;} .cpp.geshi_code .sy0 {color: #008000;} .cpp.geshi_code .sy1 {color: #000080;} .cpp.geshi_code .sy2 {color: #000040;} .cpp.geshi_code .sy3 {color: #000040;} .cpp.geshi_code .sy4 {color: #008080;} .cpp.geshi_code .st0 {color: #FF0000;} .cpp.geshi_code .nu0 {color: #0000dd;} .cpp.geshi_code .nu6 {color: #208080;} .cpp.geshi_code .nu8 {color: #208080;} .cpp.geshi_code .nu12 {color: #208080;} .cpp.geshi_code .nu16 {color:#800080;} .cpp.geshi_code .nu17 {color:#800080;} .cpp.geshi_code .nu18 {color:#800080;} .cpp.geshi_code .nu19 {color:#800080;} .cpp.geshi_code .me1 {color: #007788;} .cpp.geshi_code .me2 {color: #007788;} .cpp.geshi_code span.xtra { display:block; }
pow(12,(0.3333333333333))
ans=2.28943
Согласно гугловскому калькулятору - 2.28942848511
Подскажите, что делать?