From: Peter Klausler <pklausler@nvidia.com>
Date: Mon, 27 Jun 2022 21:22:31 +0000 (-0700)
Subject: [flang][runtime] Emit "0.0E+0" for (1PG0.0) editing of 0.0
X-Git-Tag: upstream/15.0.7~3131
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=53dca2e6ec6c3bfd7d221c6486f1014bd26b60a8;p=platform%2Fupstream%2Fllvm.git

[flang][runtime] Emit "0.0E+0" for (1PG0.0) editing of 0.0

When a scale factor is in effect, respect it for G0.0 output editing.

Differential Revision: https://reviews.llvm.org/D128761
---

diff --git a/flang/runtime/edit-output.cpp b/flang/runtime/edit-output.cpp
index 7dc60cb..57641dd 100644
--- a/flang/runtime/edit-output.cpp
+++ b/flang/runtime/edit-output.cpp
@@ -261,9 +261,10 @@ bool RealOutputEditing<binaryPrecision>::EditEorDOutput(const DataEdit &edit) {
     flags |= decimal::AlwaysSign;
   }
   bool noLeadingSpaces{editWidth == 0};
+  int scale{edit.modes.scale}; // 'kP' value
   if (editWidth == 0) { // "the processor selects the field width"
     if (edit.digits.has_value()) { // E0.d
-      if (editDigits == 0) { // E0.0
+      if (editDigits == 0 && scale <= 0) { // E0.0
         significantDigits = 1;
       }
     } else { // E0
@@ -274,7 +275,6 @@ bool RealOutputEditing<binaryPrecision>::EditEorDOutput(const DataEdit &edit) {
   }
   bool isEN{edit.variation == 'N'};
   bool isES{edit.variation == 'S'};
-  int scale{edit.modes.scale}; // 'kP' value
   int zeroesAfterPoint{0};
   if (isEN) {
     scale = IsZero() ? 1 : 3;