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The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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     Compiler warning (level 3) C4136
 
     conversion between different floating-point types
 
     Information was lost or truncated in the conversion between
     two floating-point types.
 
     For example, the following code generates this warning:
 
          double doublevar;
          float floatvar;
          floatvar = doublevar;
 
     Note that unsuffixed floating-point constants have type double, so
     the following code generates this warning:
 
          floatvar = 1.0;
 
     If the floating-point constant should be treated as type float,
     use the F (or f) suffix on the constant to prevent the warning:
 
          floatvar = 1.0F;
                                    -♦-