math.ldexp()

Type Function

Library math.*

Return value Number

Revision 2017.3060

Keywords ldexp

See also math.frexp()

Overview

Returns m*2^e^ where m containts the significant binary digits and e is the exponent.

math.ldexp( m, e )

Number. The significand.

Number. The exponent.

print( math.ldexp( 0.5, 8 ) )     ---> 128