// Range: -9223372036854775808 through 9223372036854775807.
type int64 int64

// float32 is the set of all IEEE 754 32-bit floating-point numbers.
type float32 float32

// float64 is the set of all IEEE 754 64-bit floating-point numbers.
type float64 float64

// complex64 is the set of all complex numbers with float32 real and
// imaginary parts.
type complex64 complex64

2.718281828459045   float32     2.718281828459045 rounds to 2.7182817 which is in the set of float32 values
-1e-1000            float64     -1e-1000 rounds to IEEE -0.0 which is further simplified to 0.0
0i                  int         0 is an integer value
(42 + 0i)           float32     42.0 (with zero imaginary part) is in the set of float32 values
</pre>

<pre>

pkg go/types, const Complex64 = 15
pkg go/types, const Complex64 BasicKind
pkg go/types, const FieldVal = 0
pkg go/types, const FieldVal SelectionKind
pkg go/types, const Float32 = 13
pkg go/types, const Float32 BasicKind
pkg go/types, const Float64 = 14
pkg go/types, const Float64 BasicKind
pkg go/types, const Int = 2
pkg go/types, const Int BasicKind
pkg go/types, const Int16 = 4

pkg log/slog, func SetLogLoggerLevel(Level) Level #62418
pkg math/big, method (*Rat) FloatPrec() (int, bool) #50489
pkg math/rand/v2, func ExpFloat64() float64 #61716
pkg math/rand/v2, func Float32() float32 #61716
pkg math/rand/v2, func Float64() float64 #61716
pkg math/rand/v2, func Int() int #61716
pkg math/rand/v2, func Int32() int32 #61716
pkg math/rand/v2, func Int32N(int32) int32 #61716

2.718281828459045   float32     2.718281828459045 rounds to 2.7182817 which is in the set of float32 values
-1e-1000            float64     -1e-1000 rounds to IEEE -0.0 which is further simplified to 0.0
0i                  int         0 is an integer value
(42 + 0i)           float32     42.0 (with zero imaginary part) is in the set of float32 values
</pre>

<pre>

# CL 101750048 math: implement Nextafter32, Robert Griesemer <******@****.***>
pkg math, func Nextafter32(float32, float32) float32

# CL 93550043 math/big: implement Rat.Float32, Robert Griesemer <******@****.***>
pkg math/big, method (*Rat) Float32() (float32, bool)

# CL 76540043 net/http: add BasicAuth method to *http.Request, Kelsey Hightower <******@****.***>

	c.int64 = c.Ident("int64")
	c.uint8 = c.Ident("uint8")
	c.uint16 = c.Ident("uint16")
	c.uint32 = c.Ident("uint32")
	c.uint64 = c.Ident("uint64")
	c.uintptr = c.Ident("uintptr")
	c.float32 = c.Ident("float32")
	c.float64 = c.Ident("float64")
	c.complex64 = c.Ident("complex64")
	c.complex128 = c.Ident("complex128")
	c.void = c.Ident("void")
	c.string = c.Ident("string")
	c.goVoid = c.Ident("_Ctype_void")

pkg math, func Erfc(float64) float64
pkg math, func Exp(float64) float64
pkg math, func Exp2(float64) float64
pkg math, func Expm1(float64) float64
pkg math, func Float32bits(float32) uint32
pkg math, func Float32frombits(uint32) float32
pkg math, func Float64bits(float64) uint64
pkg math, func Float64frombits(uint64) float64
pkg math, func Floor(float64) float64
pkg math, func Frexp(float64) (float64, int)

		default:
			p.errorf("bad int size for DATA argument: %d", sz)
		}
	case obj.TYPE_FCONST:
		switch sz {
		case 4:
			nameAddr.Sym.WriteFloat32(p.ctxt, nameAddr.Offset, float32(valueAddr.Val.(float64)))
		case 8:
			nameAddr.Sym.WriteFloat64(p.ctxt, nameAddr.Offset, valueAddr.Val.(float64))
		default:
			p.errorf("bad float size for DATA argument: %d", sz)
		}
	case obj.TYPE_SCONST:

pkg reflect, const Array = 17
pkg reflect, const Bool = 1
pkg reflect, const BothDir = 3
pkg reflect, const Chan = 18
pkg reflect, const Complex128 = 16
pkg reflect, const Complex64 = 15
pkg reflect, const Float32 = 13
pkg reflect, const Float64 = 14
pkg reflect, const Func = 19
pkg reflect, const Int = 2
pkg reflect, const Int16 = 4
pkg reflect, const Int32 = 5
pkg reflect, const Int64 = 6