Fixed precision when converting double to text.

eichelberg · eichelberg · commit b8b42153ccb2 · 2025-02-11T17:35:46.000+01:00
Fixed a bug in OFStandard::ftoa() that caused floating point numbers
to be converted/printed with less precision than requested.

Thanks to Mathieu Malaterre &lt;mathieu.malaterre@gmail.com&gt; for the
bug report and test file.
diff --git a/ofstd/libsrc/ofstd.cc b/ofstd/libsrc/ofstd.cc
@@ -2455,7 +2455,7 @@ void OFStandard::ftoa(
     if (!success || d != val)
     {
       // really need precision 17 (DBL_DECIMAL_DIG)
-      ftoa_convert(dst, siz, val, flags, width, prec);
+      ftoa_convert(dst, siz, val, flags, width, 17);
     }
   }
   else

Original file line number	Diff line number	Diff line change
`@@ -2455,7 +2455,7 @@ void OFStandard::ftoa(`
`2455`	`2455`	`if (!success \|\| d != val)`
`2456`	`2456`	`{`
`2457`	`2457`	`// really need precision 17 (DBL_DECIMAL_DIG)`
`2458`		`- ftoa_convert(dst, siz, val, flags, width, prec);`
	`2458`	`+ ftoa_convert(dst, siz, val, flags, width, 17);`
`2459`	`2459`	`}`
`2460`	`2460`	`}`
`2461`	`2461`	`else`