Login Register

frexp

Math.frexp(numeric) â [ fraction, exponent ]

Class Public methods

Returns a two-element array containing the normalized fraction (a Float) and exponent (a Fixnum) of numeric.

fraction, exponent = Math.frexp(1234)   #=> [0.6025390625, 11]
fraction * 2**exponent                  #=> 1234.0

doc_ruby_on_rails

2015-04-18 01:59:53

Comments

Leave a Comment

Please login to continue.

Popular Articles

frexp Defined in header <math.h> float frexpf( float arg, int* exp ); (1) (since C99) double frexp( double arg, int* exp );

std::frexp Defined in header <cmath> float frexp( float arg, int* exp ); (1) double frexp( double arg, int* exp ); (2) long

math.frexp() math.frexp(x) Return the mantissa and exponent of x as the pair (m, e). m is a float and e is an integer such that x == m * 2**e exactly. If x is

numpy.frexp() numpy.frexp(x[, out1, out2]) = Decompose the elements of x into mantissa and twos exponent. Returns (mantissa, exponent), where x = mantissa * 2