[WebAssembly] Clean up comments and fix a missing #include dependency.

[oota-llvm.git] / lib / Support / APFloat.cpp

diff --git a/lib/Support/APFloat.cpp b/lib/Support/APFloat.cpp
index 43d009976bd7924763d607a31f3071aeb564eb7f..19b8221b60cb55389d7c9858fe93d0595c5e2c54 100644 (file)
--- a/lib/Support/APFloat.cpp
+++ b/lib/Support/APFloat.cpp
@@ -767,6 +767,15 @@ APFloat::isLargest() const {
     && isSignificandAllOnes();
 }
 
+bool
+APFloat::isInteger() const {
+  // This could be made more efficient; I'm going for obviously correct.
+  if (!isFinite()) return false;
+  APFloat truncated = *this;
+  truncated.roundToIntegral(rmTowardZero);
+  return compare(truncated) == cmpEqual;
+}
+
 bool
 APFloat::bitwiseIsEqual(const APFloat &rhs) const {
   if (this == &rhs)
@@ -841,6 +850,21 @@ APFloat::semanticsPrecision(const fltSemantics &semantics)
 {
   return semantics.precision;
 }
+APFloat::ExponentType
+APFloat::semanticsMaxExponent(const fltSemantics &semantics)
+{
+  return semantics.maxExponent;
+}
+APFloat::ExponentType
+APFloat::semanticsMinExponent(const fltSemantics &semantics)
+{
+  return semantics.minExponent;
+}
+unsigned int
+APFloat::semanticsSizeInBits(const fltSemantics &semantics)
+{
+  return semantics.sizeInBits;
+}
 
 const integerPart *
 APFloat::significandParts() const
@@ -1756,7 +1780,7 @@ APFloat::remainder(const APFloat &rhs)
 /* Normalized llvm frem (C fmod).
    This is not currently correct in all cases.  */
 APFloat::opStatus
-APFloat::mod(const APFloat &rhs, roundingMode rounding_mode)
+APFloat::mod(const APFloat &rhs)
 {
   opStatus fs;
   fs = modSpecials(rhs);
@@ -1781,10 +1805,10 @@ APFloat::mod(const APFloat &rhs, roundingMode rounding_mode)
                                           rmNearestTiesToEven);
     assert(fs==opOK);   // should always work
 
-    fs = V.multiply(rhs, rounding_mode);
+    fs = V.multiply(rhs, rmNearestTiesToEven);
     assert(fs==opOK || fs==opInexact);   // should not overflow or underflow
 
-    fs = subtract(V, rounding_mode);
+    fs = subtract(V, rmNearestTiesToEven);
     assert(fs==opOK || fs==opInexact);   // likewise
 
     if (isZero())