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ldexp.0
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1992-08-10
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LDEXP(3) UNIX Programmer's Manual LDEXP(3)
NNAAMMEE
llddeexxpp - mutliply floatingpoint number by integral power of 2
SSYYNNOOPPSSIISS
##iinncclluuddee <<mmaatthh..hh>>
_d_o_u_b_l_e
llddeexxpp(_d_o_u_b_l_e _x, _i_n_t _e_x_p)
DDEESSCCRRIIPPTTIIOONN
The llddeexxpp() function multiplies a floatingpoint number by an integral
power of 2.
RREETTUURRNN VVAALLUUEESS
The llddeexxpp() function returns the value of _x times 2 raised to the power
_e_x_p.
If the resultant value would cause an overflow, the global variable _e_r_r_n_o
is set to ERANGE and the value HUGE is returned.
SSEEEE AALLSSOO
frexp(3), modf(3), math(3)
SSTTAANNDDAARRDDSS
The llddeexxpp() function conforms ANSI C3.1591989 (``ANSI C'').
BSD Experimental June 29, 1991 1