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FLT_EVAL_METHOD

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integral_constant(C++11)
 
 
Defined in header <cfloat>
#define FLT_EVAL_METHOD /* implementation defined */
(seit C++11)
Legt die Genauigkeit, in dem alle Fließkomma-Arithmetik Operationen durchgeführt .
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Specifies the precision in which all floating-point arithmetic operations are done.
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Value
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Value
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Explanation
negative values except -1
Verhalten Implementierung definiert
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implementation-defined behavior
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-1
der Standardwert Präzision ist nicht bekannt
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the default precision is not known
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0
Alle Operationen und Konstanten im Bereich auszuwerten und Präzision des Typs verwendet. Zusätzlich float_t und double_t entsprechen float und double sind
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all operations and constants evaluate in the range and precision of the type used. Additionally, float_t and double_t are equivalent to float and double respectively
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1
Alle Operationen und Konstanten im Bereich auszuwerten und Präzision double. Zusätzlich sowohl float_t und double_t entsprechen double
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all operations and constants evaluate in the range and precision of double. Additionally, both float_t and double_t are equivalent to double
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2
Alle Operationen und Konstanten im Bereich auszuwerten und Präzision long double. Zusätzlich sowohl float_t und double_t entsprechen long double
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all operations and constants evaluate in the range and precision of long double. Additionally, both float_t and double_t are equivalent to long double
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[Bearbeiten] Siehe auch

C documentation for FLT_EVAL_METHOD