c/numeric/complex/creal

@1-3@ Returns the real part of. @4@ Type-generic macro: if has type, , or ,  is called. If  has type, , or ,  is called. If has type, , , or any integer type,  is called.

Return value
The real part of.

This function is fully specified for all possible inputs and is not subject to any errors described in math_errhandling