Merge pull request oxeanbits#10 from Victorcorcos/improve_round_preci…

…sion Define long double and use it for 9 precision approximations
rodiguif · May 18, 2018 · 9120f07 · 9120f07
2 parents d312641 + cbe8920
commit 9120f07
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Showing 3 changed files with 10 additions and 3 deletions.
diff --git a/parser/mpDefines.h b/parser/mpDefines.h
@@ -69,6 +69,10 @@
 /** \brief Floating point type used by the parser. */
 #define MUP_FLOAT_TYPE double
 
+/** \brief Long double type used by the parser for high precision values. */
+#define MUP_LDOUBLE_TYPE long double
+
+/** \brief Integer type used by the parser. */
 #define MUP_INT_TYPE int
 
 /** \brief Verifies whether a given condition is met.

diff --git a/parser/mpFuncNonCmplx.cpp b/parser/mpFuncNonCmplx.cpp
@@ -49,8 +49,8 @@
 MUP_NAMESPACE_START
 
 // Auxiliary Functions
-double round(double number, int precision) {
-  int decimals = std::pow(10, precision);
+double round(long_double_type number, int_type precision) {
+  int_type decimals = std::pow(10, precision);
   return (std::round(number * decimals)) / decimals;
 }
 

diff --git a/parser/mpTypes.h b/parser/mpTypes.h
@@ -93,7 +93,10 @@ typedef std::vector<ptr_val_type> val_vec_type;
 /** \brief Parser datatype for floating point value. */
 typedef MUP_FLOAT_TYPE float_type;
 
-/** \brief Parser datatype for integer valuse. */
+/** \brief Parser datatype for long double values (for high precision). */
+typedef MUP_LDOUBLE_TYPE long_double_type;
+
+/** \brief Parser datatype for integer values. */
 typedef MUP_INT_TYPE int_type;
 
 /** \brief The basic type used for representing complex numbers. */