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Report From: Delphi-BCB/RTL/Delphi/Format + Float [ Add a report in this area ]

Report #: 87848

Status: Open

incoherence between FloatToStr and StrToFloat

Project: Delphi

Build #: 14.0.3593.25826

Version: 14.0

Submitted By: Didier LOZAC'H

Report Type: Basic functionality failure

Date Reported: 9/7/2010 7:32:45 AM

Severity: Commonly encountered problem

Last Updated: 3/20/2012 2:24:39 AM

Platform: All platforms

Internal Tracking #: 280353

Resolution: None (Resolution Comments)

Resolved in Build: : None

Duplicate of: None

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Total Votes: 10

Description

The "FloatToStr" function converts a NAN (not a number) value to the text "nan";

but the function "StrToFloat" is not able to convert back the "nan" text to a NAN (not a number) value

Steps to Reproduce:

Open, Compile and Run the attached program :
           This program creates a NAN value
                                writes this value in a text file
                                reads the text file created previously => an exception occurs.

Workarounds

None

Attachment

FloatToStr - StrToFloat.zip

Comments

None

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