add package muparserx

2 files changed, 74 insertions, 0 deletions

diff --git a/src/muparserx-test.cpp b/src/muparserx-test.cpp
new file mode 100644
index 0000000..ebc6770
--- /dev/null
+++ b/src/muparserx-test.cpp
@@ -0,0 +1,48 @@
+/*
+ * This file is part of MXE.
+ * See index.html for further information.
+ *
+ * based on:
+ * http://articles.beltoforion.de/article.php?a=muparserx&hl=en&p=using&s=idInclude#idEval
+ */
+
+#include "mpParser.h"
+
+using namespace mup;
+
+int main(int argc, char *argv[])
+{
+    (void)argc;
+    (void)argv;
+
+    // Create the parser instance
+    ParserX  p;
+
+    // Create an array of mixed type
+    Value arr(3, 0);
+    arr.At(0) = 2.0;
+    arr.At(1) = "this is a string";
+
+    // Create some basic values
+    Value cVal(cmplx_type(1, 1));
+    Value sVal("Hello World");
+    Value fVal(1.1);
+
+    // Now add the variable to muParser
+    p.DefineVar("va", Variable(&arr));
+    p.DefineVar("a",  Variable(&cVal));
+    p.DefineVar("b",  Variable(&sVal));
+    p.DefineVar("c",  Variable(&fVal));
+
+    p.SetExpr("va[0]+a*strlen(b)-c");
+    for (int i=0; i<<10; ++i)
+    {
+      // evaluate the expression and change the value of
+      // the variable c in each turn
+      cVal = 1.1 * i;
+      Value result = p.Eval();
+
+      // print the result
+      console() << result << "\n";
+    }
+}
diff --git a/src/muparserx.mk b/src/muparserx.mk
new file mode 100644
index 0000000..34f22b1
--- /dev/null
+++ b/src/muparserx.mk
@@ -0,0 +1,26 @@
+# This file is part of MXE.
+# See index.html for further information.
+
+PKG             := muparserx
+$(PKG)_IGNORE   :=
+$(PKG)_VERSION  := 4.0.4
+$(PKG)_CHECKSUM := d7ebcab8cb1de88e6dcba21651db8f6055b3e904c45afc387b06b5f4218dda40
+$(PKG)_SUBDIR   := $(PKG)-$($(PKG)_VERSION)
+$(PKG)_FILE     := $($(PKG)_SUBDIR).tar.gz
+$(PKG)_URL      := https://github.com/beltoforion/$(PKG)/archive/v$($(PKG)_VERSION).tar.gz
+$(PKG)_DEPS     := gcc
+
+define $(PKG)_UPDATE
+    $(call MXE_GET_GITHUB_TAGS, beltoforion/muparserx, v)
+endef
+
+define $(PKG)_BUILD
+    cd '$(1)' && '$(TARGET)-cmake' \
+        -DBUILD_EXAMPLES=OFF
+    $(MAKE) -C '$(1)' -j '$(JOBS)' install
+
+    '$(TARGET)-g++' \
+        -W -Wall -Werror -ansi -pedantic \
+        '$(2).cpp' -o '$(PREFIX)/$(TARGET)/bin/test-$(PKG).exe' \
+        `'$(TARGET)-pkg-config' $(PKG) --cflags --libs`
+endef