Minor changes

[libfirm] / ir / tv / fltcalc.h

diff --git a/ir/tv/fltcalc.h b/ir/tv/fltcalc.h
index 75f0691..9d77031 100644 (file)
--- a/ir/tv/fltcalc.h
+++ b/ir/tv/fltcalc.h
@@ -247,6 +247,20 @@ fc_rounding_mode_t fc_get_rounding_mode(void);
  */
 unsigned char fc_sub_bits(const fp_value *val, unsigned num_bit, unsigned byte_ofs);
 
+/**
+ * Set the immediate precision for IEEE-754 results. Set this to
+ * 0 to get the same precision as the operands.
+ * For x87 compatibility, set this to 80.
+ *
+ * @return the old setting
+ */
+unsigned fc_set_immediate_precision(unsigned bits);
+
+/**
+ * Returns non-zero if the result of the last operation was exact.
+ */
+int fc_is_exact(void);
+
 void init_fltcalc(int precision);
 void finish_fltcalc(void);