math cleanup: use 1.0f instead of (float)1.0

[musl] / src / thread / pthread_barrierattr_getpshared.c

#include "pthread_impl.h"

int pthread_barrierattr_getpshared(const pthread_barrierattr_t *a, int *pshared)
{
        *pshared = !!*a;
        return 0;
}