# remquo(3) [freebsd man page]

```REMAINDER(3)						   BSD Library Functions Manual 					      REMAINDER(3)

NAME
remainder, remainderf, remainderl, remquo, remquof, remquol -- minimal residue functions

LIBRARY
Math Library (libm, -lm)

SYNOPSIS
#include <math.h>

double
remainder(double x, double y);

float
remainderf(float x, float y);

long double
remainderl(long double x, long double y);

double
remquo(double x, double y, int *quo);

float
remquof(float x, float y, int *quo);

long double
remquol(long double x, long double y, int *quo);

DESCRIPTION
remainder(), remainderf(), remainderl(), remquo(), remquof(), and remquol() return the remainder r := x - n*y where n is the integer nearest
the exact value of x/y; moreover if |n - x/y| = 1/2 then n is even.  Consequently the remainder is computed exactly and |r| <= |y|/2.  But
attempting to take the remainder when y is 0 or x is +-infinity is an invalid operation that produces a NaN.

The remquo(), remquof(), and remquol() functions also store the last k bits of n in the location pointed to by quo, provided that n exists.
The number of bits k is platform-specific, but is guaranteed to be at least 3.

fmod(3), ieee(3), math(3)

STANDARDS
The remainder(), remainderf(), remainderl(), remquo(), remquof(), and remquol() routines conform to ISO/IEC 9899:1999 (``ISO C99'').  The
remainder is as defined in IEEE Std 754-1985.

HISTORY
The remainder() and remainderf() functions appeared in 4.3BSD and FreeBSD 2.0, respectively.  The remquo() and remquof() functions were added
in FreeBSD 6.0, and remainderl() and remquol() were added in FreeBSD 8.0.

BSD								  March 30, 2008							       BSD```

## Check Out this Related Man Page

```REMAINDER(3)						   BSD Library Functions Manual 					      REMAINDER(3)

NAME
remainder, remainderf, remainderl, remquo, remquof, remquol -- minimal residue functions

LIBRARY
Math Library (libm, -lm)

SYNOPSIS
#include <math.h>

double
remainder(double x, double y);

float
remainderf(float x, float y);

long double
remainderl(long double x, long double y);

double
remquo(double x, double y, int *quo);

float
remquof(float x, float y, int *quo);

long double
remquol(long double x, long double y, int *quo);

DESCRIPTION
remainder(), remainderf(), remainderl(), remquo(), remquof(), and remquol() return the remainder r := x - n*y where n is the integer nearest
the exact value of x/y; moreover if |n - x/y| = 1/2 then n is even.  Consequently the remainder is computed exactly and |r| <= |y|/2.  But
attempting to take the remainder when y is 0 or x is +-infinity is an invalid operation that produces a NaN.

The remquo(), remquof(), and remquol() functions also store the last k bits of n in the location pointed to by quo, provided that n exists.
The number of bits k is platform-specific, but is guaranteed to be at least 3.

fmod(3), ieee(3), math(3)

STANDARDS
The remainder(), remainderf(), remainderl(), remquo(), remquof(), and remquol() routines conform to ISO/IEC 9899:1999 (``ISO C99'').  The
remainder is as defined in IEEE Std 754-1985.

HISTORY
The remainder() and remainderf() functions appeared in 4.3BSD and FreeBSD 2.0, respectively.  The remquo() and remquof() functions were added
in FreeBSD 6.0, and remainderl() and remquol() were added in FreeBSD 8.0.

BSD								  March 30, 2008							       BSD```
Man Page

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