math-float64-flipsign
Returns a double-precision floating-point number with the magnitude of x and the sign of x*y.
Returns a double-precision floating-point number with the magnitude of x and the sign of x*y.
Return a double-precision complex floating-point number with the same magnitude as `z` and the sign of `y*z`.
Return a single-precision complex floating-point number with the same magnitude as `z` and the sign of `y*z`.
Return a double-precision floating-point number with the magnitude of x and the sign of x*y.
Return a single-precision floating-point number with the magnitude of x and the sign of x*y.