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Conversions can occur explicitly as the result of a cast or implicitly as required by an operation. While conversions are generally required for the correct execution of a program, they can also lead to lost or misinterpreted data.  Conversion of an operand value to a compatible type causes no change to the value or the representation \[[ISO/IEC 9899:1999|AA. C References#ISO/IEC 9899-1999]\].

\[[Dowd 06|AA. C References#Dowd 06]\] Chapter 6, "C Language Issues" (Type Conversions 223—270)
\[[ISO/IEC 9899:1999|AA. C References#ISO/IEC 9899-1999]\] Section 6.3, "Conversions"
\[[ISO/IEC PDTR 24772|AA. C References#ISO/IEC PDTR 24772]\] "FLC Numeric Conversion Errors"
\[[MISRA 04|AA. C References#MISRA 04]\] Rules 10.1, 10.3, 10.5, and 12.9
\[[MITRE 07|AA. C References#MITRE 07]\] [CWE ID 192|http://cwe.mitre.org/data/definitions/192.html], "Integer Coercion Error"; [CWE ID 197|http://cwe.mitre.org/data/definitions/197.html], "Numeric Truncation Error"
\[[Seacord 05a|AA. C References#Seacord 05]\] Chapter 5, "Integers"