Changes between Version 1 and Version 2 of Tutorials/FloatIsDouble

Timestamp:

09/21/08 05:29:25 (5 years ago)

Author:

mturk

Comment:

added example

Tutorials/FloatIsDouble

@@ -1 +1 @@
 = Float is double =
 
-In order to dynamically change the compute precision, enzo uses a macro that promotes single precision floats to double precision floats.  Several things are altered this way.  These can be altered with make commands on the command line.
+In order to dynamically change the compute precision, enzo uses a macro that promotes single precision floats to double precision floats.  Several things are altered this way, and this behavior can be governed with the makefile configuration system.
 
-In order to keep the {{{printf}}} family of commands happy, Enzo provides several macros.  {{{ISYM}}} and {{{FSYM}}} are the general int and float types.
+In order to keep the {{{printf}}} family of commands happy, Enzo provides several macros.  {{{ISYM}}} and {{{FSYM}}} are the general int and float types.  Their usage would be along the following lines:
 
-I'm sure there's some other stuff.
+{{{
+printf("Hello there, your float type value is "FSYM".\n", some_float);
+}}}
 
+where the string literals are concatenated to form the final format string provided to {{{printf}}}.