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significand (3)
  • significand (3) ( Solaris man: Библиотечные вызовы )
  • significand (3) ( FreeBSD man: Библиотечные вызовы )
  • >> significand (3) ( Linux man: Библиотечные вызовы )
  •  

    NAME

    significand, significandf, significandl -
    get mantissa of floating-point number
     
    

    SYNOPSIS

    #include <math.h>

    double significand(double x);
    float significandf(float x);
    long double significandl(long double x);

    Link with -lm.

    Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

    significand(), significandf(), significandl(): _SVID_SOURCE || _BSD_SOURCE  

    DESCRIPTION

    The significand() function returns the mantissa of x scaled to the range [1,2). It is equivalent to

    scalb(x, (double) -ilogb(x))

    This function exists mainly for use in certain standardized tests for IEEE 754 conformance.  

    SEE ALSO

    ilogb(3), scalb(3)  

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    COLOPHON


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