SIGNIFICANDSection: Linux Programmer's Manual (3)
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NAMEsignificand, significandf, significandl - get mantissa of floating-point number
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)):
DESCRIPTIONThe significand() function returns the mantissa of x scaled to the range [1,2). It is equivalent to
scalb(x, (double) -ilogb(x))
CONFORMING TOThese functions are non-standard; the double version is available on a number of other systems.
SEE ALSOilogb(3), scalb(3)
COLOPHONThis page is part of release 3.21 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/.