[previous] 4450 [next] An expression of 'essentially floating' type (%1s) is being converted to Boolean type, '%2s' on assignment.
Arithmetic type - Assignment

This message is issued whenever an expression of essentially floating type undergoes an assigning conversion to Boolean type.

For example: 


/*PRQA S 1-9999 ++*/
/*PRQA S 4450 --*/

void foo (_Bool b);

_Bool f4450 (float a)
{
  _Bool boa = a;            /* 4450 */

  foo (a + 1.0f);           /* 4450 */

  boa = (1.0f / 3.0f);      /* 4450 */

  return a;                 /* 4450 */
}

MISRA-C:2004 Rules applicable to message 4450:

Rule  10.2  (Required) The value of an expression of floating type shall not be implicitly converted to a different type if: a) it is not a conversion to a wider floating type, or b) the expression is complex, or c) the expression is a function argument, or d) the expression is a return expression

QA·C Source Code Analyser 8.1
MISRA-C:2004 Compliance Module 3.2
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