docs, now with style

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+.. highlight:: cpp
+
+.. _lang-floatcast:
+
+``float()`` (cast)
+==================
+
+Converts a value to the :ref:`float <lang-float>` data type.  Here is
+an example (see the :ref:`constants reference <lang-constants-fp>` for
+an explanation of the "2.0f")::
+
+   int x = 2;
+   float f = float(x);  // f now holds 2.0f, a float value
+
+The value ``x`` can be of any type.  However, if ``x`` is not a number
+(like an ``int``), you will get strange results.
+
+See the :ref:`float <lang-float>` reference for details about the
+precision and limitations of ``float`` values on the Maple.
+
+See Also
+--------
+
+-  :ref:`float <lang-float>`
+-  :ref:`double <lang-double>`
+-  :ref:`double() <lang-doublecast>`
+
+.. include:: cc-attribution.txt