[previous] 1299 [next] An integer constant of 'essentially unsigned' type is being converted to floating type on assignment.
Arithmetic type - Assignment

This message is issued whenever a constant of essentially unsigned type undergoes an assigning conversion to a floating type.

For example: 


/*PRQA S 1-9999 ++*/
/*PRQA S 1299 --*/

void foo (float b);

float f1299 (void)
{
  float fta = 0U;           /* 1299 */

  foo (1U);                 /* 1299 */

  fta = 1UL;                /* 1299 */

  return 1ULL;              /* 1299 */
}

MISRA-C:2004 Rules applicable to message 1299:

Rule  10.1  (Required) The value of an expression of integer type shall not be implicitly converted to a different underlying type if: a) it is not a conversion to a wider integer type of the same signedness, or b) the expression is complex, or c) the expression is not constant and is a function argument, or d) the expression is not constant and is a return expression

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