ldexp man page on OpenBSD

ldexp man page on OpenBSD

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LDEXP(3)		  OpenBSD Programmer's Manual		      LDEXP(3)

NAME
     ldexp, ldexpf, ldexpl - multiply floating-point number by integral power
     of 2

SYNOPSIS
     #include <math.h>

     double
     ldexp(double x, int exp);

     float
     ldexpf(float x, int exp);

     long double
     ldexpl(long double x, int exp);

DESCRIPTION
     The ldexp() function multiplies a floating-point number by an integral
     power of 2.  The ldexpf() function is a single precision version of
     ldexp().  The ldexpl() function is an extended precision version of
     ldexp().

RETURN VALUES
     The ldexp(), ldexpf() and ldexpl() functions return 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 ANSI X3.159-1989 (``ANSI C'').

OpenBSD 4.9		       December 12, 2008		   OpenBSD 4.9

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