---
name: "remquo"
section: "3clc"
platform: "linux"
package: "opencl-1.2-man-doc"
version: "1.0~svn33624-5.1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/remquo/3clc"
---

# remquo(3clc)

Floating point remainder and quotient function.

## NAME

remquo - Floating point remainder and quotient function.

##

**floatn remquo(floatn** *x***, floatn** *y***, \_\_global intn \****quo***);**

**floatn remquo(floatn** *x***, floatn** *y***, \_\_local intn \****quo***);**

**floatn remquo(floatn** *x***, floatn** *y***, \_\_private intn \****quo***);**

**float remquo(float** *x***, float** *y***, \_\_global int \****quo***);**

**float remquo(float** *x***, float** *y***, \_\_local int \****quo***);**

**float remquo(float** *x***, float** *y***, \_\_private int \****quo***);**

**doublen remquo(doublen** *x***, doublen** *y***, \_\_global intn \****quo***);**

**doublen remquo(doublen** *x***, doublen** *y***, \_\_local intn \****quo***);**

**doublen remquo(doublen** *x***, doublen** *y***, \_\_private intn \****quo***);**

**double remquo(double** *x***, double** *y***, \_\_global int \****quo***);**

**double remquo(double** *x***, double** *y***, \_\_local int \****quo***);**

**double remquo(double** *x***, double** *y***, \_\_private int \****quo***);**

**halfn remquo(halfn** *x***, halfn** *y***, \_\_global intn \****quo***);**

**halfn remquo(halfn** *x***, halfn** *y***, \_\_local intn \****quo***);**

**halfn remquo(halfn** *x***, halfn** *y***, \_\_private intn \****quo***);**

**half remquo(half** *x***, half** *y***, \_\_global int \****quo***);**

**half remquo(half** *x***, half** *y***, \_\_local int \****quo***);**

**half remquo(half** *x***, half** *y***, \_\_private int \****quo***);**

## DESCRIPTION

The **remquo** function computes the value *r* such that *r* = *x* - *n*\**y*, where *k* is the integer nearest the exact value of *x*/*y*. If there are two integers closest to *x*/*y*, *k* shall be the even one. If *r* is zero, it is given the same sign as *x*. This is the same value that is returned by the [**remainder**(3clc)](/remainder/3clc.md) function.

**remquo** also calculates the lower seven bits of the integral quotient *x*/*y*, and gives that value the same sign as *x*/*y*. It stores this signed value in the object pointed to by *quo*.

## NOTES

The vector versions of the math functions operate component-wise. The description is per-component.

The built-in math functions are not affected by the prevailing rounding mode in the calling environment, and always return the same value as they would if called with the round to nearest even rounding mode.

The built-in math functions take scalar or vector arguments. For any specific use of these function, the actual type has to be the same for all arguments and the return type unless otherwise specified.

The generic type name **gentype** is used to indicate that the function can take **float**, **float2**, **float3**, **float4**, **float8**, **float16**, **double**, **double2**, **double3**, **double4**, **double8**, or **double16** as the type for the arguments.

If extended with [**cl\_khr\_fp16**(3clc)](/cl_khr_fp16/3clc.md), generic type name **gentype** may indicate **half** and **half{2\|3\|4\|8\|16}** as arguments and return values.

The generic type name **gentypef** is used to indicate that the function can take **float**, **float2**, **float3**, **float4**, **float8**, or **float16** as the type for the arguments.

The generic type name **gentyped** is used to indicate that the function can take **double**, **double2**, **double3**, **double4**, **double8**, or **double16** as the type for the arguments.

## SPECIFICATION

**OpenCL Specification**\[1\]

## SEE ALSO

[**mathFunctions**(3clc)](/mathFunctions/3clc.md)

## AUTHORS

**The Khronos Group**

## COPYRIGHT

Copyright © 2007-2011 The Khronos Group Inc.\
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and/or associated documentation files (the "Materials"), to deal in the Materials without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Materials, and to permit persons to whom the Materials are furnished to do so, subject to the condition that this copyright notice and permission notice shall be included in all copies or substantial portions of the Materials.

## NOTES

- 1\.

  OpenCL Specification

  page 244, section 6.12.2 - Math Functions