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ldexp(3)

NAME

     ldexp -- multiply floating-point number by integral power of 2

LIBRARY

     Standard C Library (libc, -lc)

SYNOPSIS

     #include <math.h>

     double
     ldexp(double x, int exp);

DESCRIPTION

     The ldexp() function multiplies a floating-point number by an integral
     power of 2.

RETURN VALUES

     The ldexp() function returns the value of x times 2 raised to the power
     exp.

     If the resultant value would cause an overflow, the global variable errno
     is set to ERANGE and the value HUGE is returned.

SEE ALSO

     frexp(3), math(3), modf(3)

STANDARDS

     The ldexp() function conforms to ISO/IEC 9899:1990 (``ISO C90'').

FreeBSD 5.4			April 19, 1994			   FreeBSD 5.4

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