std::ldexp
From cppreference.com
| Defined in header <cmath>
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| float ldexp( float arg, int exp );
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| double ldexp( double arg, int exp );
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| long double ldexp( long double arg, int exp );
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| double ldexp( Integral arg, int exp );
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(since C++11) | |
Multiplies an floating point value arg by 2 raised to power exp.
[edit] Parameters
| arg | - | floating point value |
| exp | - | integer value |
[edit] Return value
returns x×2exp
If the result is too large for the underlying type, range error occurs and HUGE_VAL is returned.
[edit] See also
| decomposes a number into significand and a power of 2 (function) |
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(C++11)
(C++11) |
multiplies a number by FLT_RADIX raised to a power (function) |