std::frexp
From cppreference.com
| Defined in header
<cmath>
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| float frexp( float x, int* exp );
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| double frexp( double x, int* exp );
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| long double frexp( long double x, int* exp );
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| double frexp( Integral x, int* exp );
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(since C++11) | |
Decomposes given floating point value x to significand and exponent.
[edit] Parameters
| x | - | floating point value |
| exp | - | pointer to integer value to store the exponent to |
[edit] Return value
Significand of the given floating point number in the range of [0.5; 1). The exponent is put into integer value pointed to by exp.
[edit] See also
| multiplies a number by 2 raised to a power (function) |
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| (C++11)
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extracts exponent of the number (function) |
| (C++11)
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extracts exponent of the number (function) |
| decomposes a number into integer and fractional parts (function) |
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C documentation for frexp
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