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-rw-r--r--lib/system/sysstr.nim6
1 files changed, 2 insertions, 4 deletions
diff --git a/lib/system/sysstr.nim b/lib/system/sysstr.nim
index eb9d2000b..4244bae4c 100644
--- a/lib/system/sysstr.nim
+++ b/lib/system/sysstr.nim
@@ -252,10 +252,8 @@ proc nimIntToStr(x: int): string {.compilerRtl.} =
 
 proc nimFloatToStr(x: float): string {.compilerproc.} =
   var buf: array [0..59, char]
-  c_sprintf(buf, "%#.f", x)
-  result = $buf
-  if result[len(result)-1] == '.':
-    result.add("0")
+  c_sprintf(buf, "%#.16e", x)
+  return $buf
 
 proc nimInt64ToStr(x: int64): string {.compilerRtl.} =
   result = newString(sizeof(x)*4)