Re: MSVC fails to compile floor.c with -fp:strict

[Bruno Haible]

Michael Goffioul wrote:
> Same problem occurs in cbrt.c and cbrtf.c.

Fixed. No other occurrences of this problem found so far.


2012-03-13  Bruno Haible  <address@hidden>

        Avoid compilation errors with MSVC option -fp:strict.
        * lib/cbrt.c: Use MSVC specific pragma fenv_access.
        * lib/cbrtf.c: Likewise.
        Reported by Michael Goffioul <address@hidden>.

--- lib/cbrt.c.orig     Tue Mar 13 23:55:56 2012
+++ lib/cbrt.c  Tue Mar 13 23:55:34 2012
@@ -22,6 +22,12 @@
 /* Specification.  */
 #include <math.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
+
 /* Code based on glibc/sysdeps/ieee754/dbl-64/s_cbrt.c.  */
 
 #define CBRT2 1.2599210498948731648             /* 2^(1/3) */
--- lib/cbrtf.c.orig    Tue Mar 13 23:55:56 2012
+++ lib/cbrtf.c Tue Mar 13 23:55:35 2012
@@ -22,6 +22,12 @@
 /* Specification.  */
 #include <math.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
+
 /* Code based on glibc/sysdeps/ieee754/flt-32/s_cbrtf.c.  */
 
 #define CBRT2 1.2599210498948731648             /* 2^(1/3) */