Revert "add time utilities to QuantLib, add a forecastFixing by time to IborIndex"

This reverts commit b8e4607.

Author: pcaspers

QuantLib.vcxproj

@@ -1845,7 +1845,6 @@
     <ClInclude Include="ql\utilities\null_deleter.hpp" />
     <ClInclude Include="ql\utilities\observablevalue.hpp" />
     <ClInclude Include="ql\utilities\steppingiterator.hpp" />
-	<ClInclude Include="ql\utilities\time.hpp" />
     <ClInclude Include="ql\utilities\tracing.hpp" />
     <ClInclude Include="ql\utilities\vectors.hpp" />
     <ClInclude Include="ql\auto_link.hpp" />
@@ -2794,7 +2793,6 @@
     <ClCompile Include="ql\time\weekday.cpp" />
     <ClCompile Include="ql\utilities\dataformatters.cpp" />
     <ClCompile Include="ql\utilities\dataparsers.cpp" />
-	<ClInclude Include="ql\utilities\time.cpp" />
     <ClCompile Include="ql\utilities\tracing.cpp" />
     <ClCompile Include="ql\cashflow.cpp" />
     <ClCompile Include="ql\currency.cpp" />

QuantLib.vcxproj.filters

@@ -2244,10 +2244,7 @@
     <ClInclude Include="ql\utilities\steppingiterator.hpp">
       <Filter>utilities</Filter>
     </ClInclude>
-	<ClInclude Include="ql\utilities\time.hpp">
-      <Filter>utilities</Filter>
-	</ClInclude>
-	<ClInclude Include="ql\utilities\tracing.hpp">
+    <ClInclude Include="ql\utilities\tracing.hpp">
       <Filter>utilities</Filter>
     </ClInclude>
     <ClInclude Include="ql\utilities\vectors.hpp">
@@ -5534,9 +5531,6 @@
     <ClCompile Include="ql\utilities\dataparsers.cpp">
       <Filter>utilities</Filter>
     </ClCompile>
-    <ClCompile Include="ql\utilities\time.cpp">
-      <Filter>utilities</Filter>
-    </ClCompile>
     <ClCompile Include="ql\utilities\tracing.cpp">
       <Filter>utilities</Filter>
     </ClCompile>

ql/CMakeLists.txt

@@ -916,7 +916,6 @@ set(QL_SOURCES
     timegrid.cpp
     utilities/dataformatters.cpp
     utilities/dataparsers.cpp
-    utilities/time.cpp
     utilities/tracing.cpp
     version.cpp
 )
@@ -2187,7 +2186,6 @@ set(QL_HEADERS
     utilities/null_deleter.hpp
     utilities/observablevalue.hpp
     utilities/steppingiterator.hpp
-    utilities/time.hpp
     utilities/tracing.hpp
     utilities/vectors.hpp
     volatilitymodel.hpp

ql/indexes/iborindex.cpp

@@ -21,7 +21,6 @@
 
 #include <ql/indexes/iborindex.hpp>
 #include <ql/termstructures/yieldtermstructure.hpp>
-#include <ql/utilities/time.hpp>
 #include <utility>
 
 namespace QuantLib {
@@ -52,17 +51,6 @@ namespace QuantLib {
         return forecastFixing(d1, d2, t);
     }
 
-    Rate IborIndex::forecastFixing(const Time& fixingTime) const {
-        QL_REQUIRE(fixingTime > 0.0, "\n cannot calculate forward rate, " \
-                   "fixing time must be positive");
-        QL_REQUIRE(!termStructure_.empty(),
-                   "null term structure set to this instance of " << name());
-        Time tenorTime = periodToTime(tenor_);
-        DiscountFactor disc1 = termStructure_->discount(fixingTime);
-        DiscountFactor disc2 = termStructure_->discount(fixingTime + tenorTime);
-        return (disc1 / disc2 - 1.0) / tenorTime;
-    }
-
     Date IborIndex::maturityDate(const Date& valueDate) const {
         return fixingCalendar().advance(valueDate,
                                         tenor_,

ql/indexes/iborindex.hpp

@@ -46,8 +46,7 @@ namespace QuantLib {
         //! \name InterestRateIndex interface
         //@{
         Date maturityDate(const Date& valueDate) const override;
-        Rate forecastFixing(const Date& fixingDate) const override;        
-        Rate forecastFixing(const Time& fixingTime) const;
+        Rate forecastFixing(const Date& fixingDate) const override;
         // @}
         //! \name Inspectors
         //@{

ql/utilities/Makefile.am

@@ -12,14 +12,12 @@ this_include_HEADERS = \
 	null_deleter.hpp \
     observablevalue.hpp \
     steppingiterator.hpp \
-	time.hpp \
     tracing.hpp \
     vectors.hpp
 
 cpp_files = \
     dataformatters.cpp \
     dataparsers.cpp \
-	time.cpp \
     tracing.cpp
 
 if UNITY_BUILD