X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-floorf2.c;h=2d15a47be033ddbf7b784be89ab10207d003de43;hb=46f5f314f34a08c9305758482d7d2fdb0e999d09;hp=6811728cc3b1c1bba850b37bd43be010b918bcd2;hpb=04da1cb11cf8285b944492aaa636dbd596ed5e74;p=gnulib.git

diff --git a/tests/test-floorf2.c b/tests/test-floorf2.c
index 6811728cc..2d15a47be 100644
--- a/tests/test-floorf2.c
+++ b/tests/test-floorf2.c
@@ -1,5 +1,5 @@
 /* Test of rounding towards negative infinity.
-   Copyright (C) 2007-2010 Free Software Foundation, Inc.
+   Copyright (C) 2007-2014 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -31,6 +31,12 @@
 #include "isnanf-nolibm.h"
 #include "macros.h"
 
+/* MSVC with option -fp:strict refuses to compile constant initializers that
+   contain floating-point operations.  Pacify this compiler.  */
+#ifdef _MSC_VER
+# pragma fenv_access (off)
+#endif
+
 
 /* The reference implementation, taken from lib/floor.c.  */
 
@@ -63,8 +69,12 @@ floorf_reference (DOUBLE x)
 
   if (z > L_(0.0))
     {
+      /* For 0 < x < 1, return +0.0 even if the current rounding mode is
+         FE_DOWNWARD.  */
+      if (z < L_(1.0))
+        z = L_(0.0);
       /* Avoid rounding errors for values near 2^k, where k >= MANT_DIG-1.  */
-      if (z < TWO_MANT_DIG)
+      else if (z < TWO_MANT_DIG)
         {
           /* Round to the next integer (nearest or up or down, doesn't matter).  */
           z += TWO_MANT_DIG;