1LDEXP(3) Linux Programmer's Manual LDEXP(3)
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6 ldexp, ldexpf, ldexpl - multiply floating-point number by integral
7 power of 2
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10 #include <math.h>
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12 double ldexp(double x, int exp);
13 float ldexpf(float x, int exp);
14 long double ldexpl(long double x, int exp);
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16 Link with -lm.
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19 The ldexp() function returns the result of multiplying the floating-
20 point number x by 2 raised to the power exp.
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23 SVr4, 4.3BSD, C89. The float and long double variants are C99 require‐
24 ments.
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27 frexp(3), modf(3), scalb(3)
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31 2004-10-31 LDEXP(3)