0000713: in remquo quo should be unspecified when the result is NaN

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Category

Severity

Type

Date Submitted

Last Update

0000713

[1003.1(2013)/Issue7+TC1] System Interfaces

Editorial

Omission

2013-06-18 00:00

Reporter

nsz

View Status

public

Assigned To

Priority

normal

Resolution

Open

Status

New

Name

Szabolcs Nagy

Organization

musl

User Reference

Section

remquo

Page Number

Line Number

Interp Status

---

Final Accepted Text

Summary

0000713: in remquo quo should be unspecified when the result is NaN

Description

the description of quo in remquo(x,y,quo) is

"In the object pointed to by quo, they store a value whose sign
is the sign of x/y and whose magnitude is congruent modulo 2^n
to the magnitude of the integral quotient of x/y, where n is an
implementation-defined integer greater than or equal to 3. If y
is zero, the value stored in the object pointed to by quo is
unspecified."

quo does not seem to be correctly specified when x/y
is +-Inf or NaN, only the y==0 special case is handled

this may affect ISO C as well

Desired Action

add with MX shading that

if x is +-Inf or x or y is NaN, *quo is unspecified

Tags

c99

Attached Files

Relationships

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Issue History
Date Modified	Username	Field	Change
2013-06-18 00:00	nsz	New Issue
2013-06-18 00:00	nsz	Name	=> Szabolcs Nagy
2013-06-18 00:00	nsz	Organization	=> musl
2013-06-18 00:00	nsz	Section	=> remquo
2013-06-20 15:54	nick	Tag Attached: c99

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