Currency conversions

3rd-party/ttmath-0.9.3/samples/parser.cpp

@@ -0,0 +1,39 @@
+#include <ttmath/ttmath.h>
+#include <iostream>
+
+
+// for convenience we're defining MyBig type
+// this type has 2 words for its mantissa and 1 word for its exponent
+// (on a 32bit platform one word means a word of 32 bits,
+// and on a 64bit platform one word means a word of 64 bits)
+typedef ttmath::Big<1,2> MyBig;
+
+
+int main()
+{
+ttmath::Parser<MyBig> parser;
+
+// the sine function takes its parameter as being in radians,
+// the product from the arcus tangent will be in radians as well
+const char equation[] = " (34 + 24) * 123 - 34.32 ^ 6 * sin(2.56) - atan(10)";
+
+    ttmath::ErrorCode err = parser.Parse(equation);
+
+    if( err == ttmath::err_ok )
+        std::cout << parser.stack[0].value << std::endl;
+    else
+        std::cout << "Error: "
+                  << static_cast<int>(err)
+                  << std::endl;
+}
+
+/*
+the result (on 32 bit platform):
+-897705014.525731067
+*/
+
+
+/*
+the result (on 64 bit platform):
+-897705014.5257310676097719585259773124
+*/