1 files changed, 52 insertions, 0 deletions
diff --git a/fpoptimizer/consts.hh b/fpoptimizer/consts.hh
new file mode 100644
index 0000000..b6e8f88
--- /dev/null
+++ b/fpoptimizer/consts.hh
@@ -0,0 +1,52 @@
+#include "fparser.hh"
+#include "extrasrc/fpaux.hh"
+
+#ifndef M_PI
+#define M_PI 3.1415926535897932384626433832795
+#endif
+
+/*
+#define CONSTANT_L10B  0.3010299956639811952137 // log10(2)
+#define CONSTANT_L10BI 3.3219280948873623478703 // 1/log10(2)
+#define CONSTANT_LB10  CONSTANT_L10BI          // log2(10)
+#define CONSTANT_LB10I CONSTANT_L10B           // 1/log2(10)
+*/
+
+#define CONSTANT_POS_INF     HUGE_VAL  // positive infinity, from math.h
+#define CONSTANT_NEG_INF   (-HUGE_VAL) // negative infinity
+
+namespace FUNCTIONPARSERTYPES
+{
+    template<typename Value_t>
+    inline Value_t fp_const_pihalf() // CONSTANT_PIHALF
+    {
+        return fp_const_pi<Value_t>() * Value_t(0.5);
+    }
+    template<typename Value_t>
+    inline Value_t fp_const_twopi() // CONSTANT_TWOPI
+    {
+        Value_t result( fp_const_pi<Value_t>() );
+        result += result;
+        return result;
+    }
+    template<typename Value_t>
+    inline Value_t fp_const_twoe() // CONSTANT_2E
+    {
+        Value_t result( fp_const_e<Value_t>() );
+        result += result;
+        return result;
+    }
+    template<typename Value_t>
+    inline Value_t fp_const_twoeinv() // CONSTANT_2EI
+    {
+        Value_t result( fp_const_einv<Value_t>() );
+        result += result;
+        return result;
+    }
+
+    template<typename Value_t>
+    inline Value_t fp_const_negativezero()
+    {
+        return -Epsilon<Value_t>::value;
+    }
+}