ldexp
From cppreference.com
| Defined in header
<math.h>
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| float ldexpf( float arg, int exp );
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(since C99) | |
| double ldexp( double arg, int exp );
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| long double ldexpl( long double arg, int exp );
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(since C99) | |
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 arg×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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| (C99)(C99)
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multiplies a number by FLT_RADIX raised to a power (function) |
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C++ documentation for ldexp
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