Some cleanup.

[pdclib] / includes / fenv.h

diff --git a/includes/fenv.h b/includes/fenv.h
index 395e980cf38a6bfcbdceff0c0df6e1cb97766b46..33e8beaeba9a724d332655261238eacd79f3bb37 100644 (file)
--- a/includes/fenv.h
+++ b/includes/fenv.h
@@ -4,12 +4,51 @@
 // Public Domain C Library - http://pdclib.sourceforge.net
 // This code is Public Domain. Use, modify, and redistribute at will.
 // ----------------------------------------------------------------------------
-// TODO
+// Floating-point environment
 // ----------------------------------------------------------------------------
 
 #ifndef __FENV_H
 #define __FENV_H __FENV_H
 
-// TODO
+// ----------------------------------------------------------------------------
+// MACROS
+
+// Used
+#define FE_DIVBYZERO  // TODO
+#define FE_INEXACT    // TODO
+#define FE_INVALID    // TODO
+#define FE_OVERFLOW   // TODO
+#define FE_UNDERFLOW  // TODO
+#define FE_ALL_EXCEPT // TODO
+
+#define FE_DOWNWARD   // TODO
+#define FE_TONEAREST  // TODO
+#define FE_TOWARDZERO // TODO
+#define FE_UPWARD     // TODO
+
+#define FE_DFL_ENV    // TODO
+
+// ----------------------------------------------------------------------------
+// TYPEDEFS
+
+typedef fenv_t;    // TODO
+typedef fexcept_t; // TODO
+
+// ----------------------------------------------------------------------------
+// FUNCTIONS
+
+int feclearexcept( int exceptions );
+int fegetexceptflag( fexcept_t * flags, int exceptions );
+int feraiseexcept( int exceptions );
+int fesetexceptflag( const fexcept_t * flags, int exceptions );
+int fetestexcept( int exceptions );
+
+int fegetround( void );
+int fesetround( int mode );
+
+int fegetenv( fenv_t * environment );
+int feholdexcept( fenv_t * environment );
+int fesetenv( const fenv_t * environment );
+int feupdateenv( const fenv_t * environment );
 
 #endif // __FENV_H