Mac binaries
[jabaws.git] / website / archive / binaries / mac / src / disembl / biopython-1.50 / Bio / csupport.c
diff --git a/website/archive/binaries/mac/src/disembl/biopython-1.50/Bio/csupport.c b/website/archive/binaries/mac/src/disembl/biopython-1.50/Bio/csupport.c
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+/* Copyright 2002 by Jeffrey Chang.  All rights reserved.
+ * This code is part of the Biopython distribution and governed by its
+ * license.  Please see the LICENSE file that should have been included
+ * as part of this package.
+ *
+ * csupport.c
+ * Created 27 January 2002
+ *
+ * Miscellaneous useful C functions not to be exported as a python
+ * module.
+ *
+ */
+
+#include "Python.h"
+
+
+/* Return a PyNumber as a double.
+ * Raises a TypeError if I can't do it.
+ */
+double PyNumber_AsDouble(PyObject *py_num)
+{
+    double val;
+    PyObject *floatobj;
+
+    if((floatobj = PyNumber_Float(py_num)) == NULL)
+       return(0.0);
+    val = PyFloat_AsDouble(floatobj);
+    Py_DECREF(floatobj);
+    return val;
+}