NAME

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

LIBRARY

       Math library (libm, -lm)

SYNOPSIS

       #include <math.h>

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

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

       significand(), significandf(), significandl():
           /* Since glibc 2.19: */ _DEFAULT_SOURCE
               || /* glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE

DESCRIPTION

       These functions return the mantissa of x scaled to the range [1, FLT_RADIX).  They are equivalent to

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

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

ATTRIBUTES

       For an explanation of the terms used in this section, see attributes(7).
       ┌─────────────────────────────────────────────────────────────────────────────┬───────────────┬─────────┐
       │ Interface                                                                   │ Attribute     │ Value   │
       ├─────────────────────────────────────────────────────────────────────────────┼───────────────┼─────────┤
       │ significand(), significandf(), significandl()                               │ Thread safety │ MT-Safe │
       └─────────────────────────────────────────────────────────────────────────────┴───────────────┴─────────┘

STANDARDS

       None.

       significand()
              BSD.

HISTORY

       significand()
              BSD.

SEE ALSO

       ilogb(3), scalb(3)

Linux man-pages 6.7                                2024-03-12                                     significand(3)