/members-area/personalblogs/b/blog/posts/the-unpredictability-of-float-data-type-explainedEver wondered why one of the C data types is called float ?Because in some cases it literally floats nearby expected values! For example :-when you do multiple operations between two relatively small and large values of float. Proofint main(){fl...en-USTelligent Community 12https://community.element14.com/members-area/personalblogs/b/blog/posts/the-unpredictability-of-float-data-type-explainedTue, 31 May 2016 20:25:25 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:367b810d-ab90-4cfe-8d2b-d51c3e95a394DAB0<p>I always say a fool and their data are soon parted.</p><p>&nbsp;</p><p>You need to really analyze your application to make sure that float and conversion issues are not add issues into your algorithm.</p><p>&nbsp;</p><p>This was one of the first things they teach you in computer science classes.</p><p>&nbsp;</p><p>Don&#39;t just guess, test and verify.&nbsp; Some compilers do aweful things when you aren&#39;t looking.</p><p>&nbsp;</p><p>DAB</p><img src="https://community.element14.com/aggbug?PostID=21700&AppID=293&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/members-area/personalblogs/b/blog/posts/the-unpredictability-of-float-data-type-explainedTue, 31 May 2016 14:24:37 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:367b810d-ab90-4cfe-8d2b-d51c3e95a394clem571<p>Take 1 float and divide by 3 and get .3333... a repeating number. Next multiply by 100 for 33.33333... Next multiply by 3 and see what happens.</p><p>Problem is computers cannot handle numbers with accuracy needed for repeating numbers. Common with ALL computers.<span>[View:/resized-image/__size/16x16/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-367b810d-ab90-4cfe-8d2b-d51c3e95a394/contentimage_5F00_2.png:16:16]</span></p><img src="https://community.element14.com/aggbug?PostID=21700&AppID=293&AppType=Weblog&ContentType=0" width="1" height="1">