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// $G $D/$F.go && $L $F.$A && ./$A.out

// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// near-exhaustive test of converting numbers between types.

package main

var i8 int8;
var u8 uint8;
var i16 int16;
var u16 uint16;
var i32 int32;
var u32 uint32;
var i64 int64;
var u64 uint64;
var f32 float32;
var f64 float64;

type    big     float64

type    t       struct {
        from, to        int
        val             big
}

const (
        ti8     = iota+1
        tu8
        ti16
        tu16
        ti32
        tu32
        ti64
        tu64
        tf32
        tf64
)

var     x = []t{

        /* value good in all types (10) */
        { ti8,  ti8,  10 }, { ti8,  tu8,  10 }, { ti8,  ti16, 10 }, { ti8,  tu16, 10 },
        { ti8,  ti32, 10 }, { ti8,  tu32, 10 }, { ti8,  ti64, 10 }, { ti8,  tu64, 10 },
        { ti8,  tf32, 10 }, { ti8,  tf64, 10 },

        { tu8,  ti8,  10 }, { tu8,  tu8,  10 }, { tu8,  ti16, 10 }, { tu8,  tu16, 10 },
        { tu8,  ti32, 10 }, { tu8,  tu32, 10 }, { tu8,  ti64, 10 }, { tu8,  tu64, 10 },
        { tu8,  tf32, 10 }, { tu8,  tf64, 10 },

        { ti16, ti8,  10 }, { ti16, tu8,  10 }, { ti16, ti16, 10 }, { ti16, tu16, 10 },
        { ti16, ti32, 10 }, { ti16, tu32, 10 }, { ti16, ti64, 10 }, { ti16, tu64, 10 },
        { ti16, tf32, 10 }, { ti16, tf64, 10 },

        { tu16, ti8,  10 }, { tu16, tu8,  10 }, { tu16, ti16, 10 }, { tu16, tu16, 10 },
        { tu16, ti32, 10 }, { tu16, tu32, 10 }, { tu16, ti64, 10 }, { tu16, tu64, 10 },
        { tu16, tf32, 10 }, { tu16, tf64, 10 },

        { ti32, ti8,  10 }, { ti32, tu8,  10 }, { ti32, ti16, 10 }, { ti32, tu16, 10 },
        { ti32, ti32, 10 }, { ti32, tu32, 10 }, { ti32, ti64, 10 }, { ti32, tu64, 10 },
        { ti32, tf32, 10 }, { ti32, tf64, 10 },

        { tu32, ti8,  10 }, { tu32, tu8,  10 }, { tu32, ti16, 10 }, { tu32, tu16, 10 },
        { tu32, ti32, 10 }, { tu32, tu32, 10 }, { tu32, ti64, 10 }, { tu32, tu64, 10 },
        { tu32, tf32, 10 }, { tu32, tf64, 10 },

        { ti64, ti8,  10 }, { ti64, tu8,  10 }, { ti64, ti16, 10 }, { ti64, tu16, 10 },
        { ti64, ti32, 10 }, { ti64, tu32, 10 }, { ti64, ti64, 10 }, { ti64, tu64, 10 },
        { ti64, tf32, 10 }, { ti64, tf64, 10 },

        { tu64, ti8,  10 }, { tu64, tu8,  10 }, { tu64, ti16, 10 }, { tu64, tu16, 10 },
        { tu64, ti32, 10 }, { tu64, tu32, 10 }, { tu64, ti64, 10 }, { tu64, tu64, 10 },
        { tu64, tf32, 10 }, { tu64, tf64, 10 },

        { tf32, ti8,  10 }, { tf32, tu8,  10 }, { tf32, ti16, 10 }, { tf32, tu16, 10 },
        { tf32, ti32, 10 }, { tf32, tu32, 10 }, { tf32, ti64, 10 }, { tf32, tu64, 10 },
        { tf32, tf32, 10 }, { tf32, tf64, 10 },

        { tf64, ti8,  10 }, { tf64, tu8,  10 }, { tf64, ti16, 10 }, { tf64, tu16, 10 },
        { tf64, ti32, 10 }, { tf64, tu32, 10 }, { tf64, ti64, 10 }, { tf64, tu64, 10 },
        { tf64, tf32, 10 }, { tf64, tf64, 10 },

        /* value good in all signed types (-4) */
        { ti8,  ti8,  -4 }, { ti8,  ti16, -4 },
        { ti8,  ti32, -4 }, { ti8,  ti64, -4 },
        { ti8,  tf32, -4 }, { ti8,  tf64, -4 },

        { ti16, ti8,  -4 }, { ti16, ti16, -4 },
        { ti16, ti32, -4 }, { ti16, ti64, -4 },
        { ti16, tf32, -4 },

        { ti32, ti8,  -4 }, { ti32, ti16, -4 },
        { ti32, ti32, -4 }, { ti32, ti64, -4 },
        { ti32, tf32, -4 }, { ti32, tf64, -4 },

        { ti64, ti8,  -4 }, { ti64, ti16, -4 },
        { ti64, ti32, -4 }, { ti64, ti64, -4 },
        { ti64, tf32, -4 },

        { tf32, ti8,  -4 }, { tf32, ti16, -4 },
        { tf32, ti32, -4 }, { tf32, ti64, -4 },
        { tf32, tf32, -4 },

        { tf64, ti8,  -4 }, { tf64, ti16, -4 },
        { tf64, ti32, -4 }, { tf64, ti64, -4 },
        { tf64, tf32, -4 }, { tf64, tf64, -4 },

        /* value good in u8 and up (175) */
        { tu8,  tu8,  175 }, { tu8,  ti16, 175 }, { tu8,  tu16, 175 },
        { tu8,  ti32, 175 }, { tu8,  tu32, 175 }, { tu8,  ti64, 175 }, { tu8,  tu64, 175 },
        { tu8,  tf32, 175 }, { tu8,  tf64, 175 },

        { ti16, tu8,  175 }, { ti16, ti16, 175 }, { ti16, tu16, 175 },
        { ti16, ti32, 175 }, { ti16, tu32, 175 }, { ti16, ti64, 175 }, { ti16, tu64, 175 },
        { ti16, tf32, 175 }, { ti16, tf64, 175 },

        { tu16, tu8,  175 }, { tu16, ti16, 175 }, { tu16, tu16, 175 },
        { tu16, ti32, 175 }, { tu16, tu32, 175 }, { tu16, ti64, 175 }, { tu16, tu64, 175 },
        { tu16, tf32, 175 }, { tu16, tf64, 175 },

        { ti32, tu8,  175 }, { ti32, ti16, 175 }, { ti32, tu16, 175 },
        { ti32, ti32, 175 }, { ti32, tu32, 175 }, { ti32, ti64, 175 }, { ti32, tu64, 175 },
        { ti32, tf32, 175 }, { ti32, tf64, 175 },

        { tu32, tu8,  175 }, { tu32, ti16, 175 }, { tu32, tu16, 175 },
        { tu32, ti32, 175 }, { tu32, tu32, 175 }, { tu32, ti64, 175 }, { tu32, tu64, 175 },
        { tu32, tf32, 175 }, { tu32, tf64, 175 },

        { ti64, tu8,  175 }, { ti64, ti16, 175 }, { ti64, tu16, 175 },
        { ti64, ti32, 175 }, { ti64, tu32, 175 }, { ti64, ti64, 175 }, { ti64, tu64, 175 },
        { ti64, tf32, 175 }, { ti64, tf64, 175 },

        { tu64, tu8,  175 }, { tu64, ti16, 175 }, { tu64, tu16, 175 },
        { tu64, ti32, 175 }, { tu64, tu32, 175 }, { tu64, ti64, 175 }, { tu64, tu64, 175 },
        { tu64, tf32, 175 }, { tu64, tf64, 175 },

        { tf32, tu8,  175 }, { tf32, ti16, 175 }, { tf32, tu16, 175 },
        { tf32, ti32, 175 }, { tf32, tu32, 175 }, { tf32, ti64, 175 }, { tf32, tu64, 175 },
        { tf32, tf32, 175 }, { tf32, tf64, 175 },

        { tf64, tu8,  175 }, { tf64, ti16, 175 }, { tf64, tu16, 175 },
        { tf64, ti32, 175 }, { tf64, tu32, 175 }, { tf64, ti64, 175 }, { tf64, tu64, 175 },
        { tf64, tf32, 175 }, { tf64, tf64, 175 },

        /* value good in u16 and up (41259) */
        { tu16, tu16, 41259 },
        { tu16, ti32, 41259 }, { tu16, ti64, 41259 }, { tu16, tu64, 41259 },
        { tu16, tf32, 41259 }, { tu16, tf64, 41259 },

        { ti32, tu16, 41259 },
        { ti32, ti32, 41259 }, { ti32, tu32, 41259 }, { ti32, ti64, 41259 }, { ti32, tu64, 41259 },
        { ti32, tf32, 41259 }, { ti32, tf64, 41259 },

        { tu32, tu16, 41259 },
        { tu32, ti32, 41259 }, { tu32, tu32, 41259 }, { tu32, ti64, 41259 }, { tu32, tu64, 41259 },
        { tu32, tf32, 41259 }, { tu32, tf64, 41259 },

        { ti64, tu16, 41259 },
        { ti64, ti32, 41259 }, { ti64, tu32, 41259 }, { ti64, ti64, 41259 }, { ti64, tu64, 41259 },
        { ti64, tf32, 41259 }, { ti64, tf64, 41259 },

        { tu64, tu16, 41259 },
        { tu64, ti32, 41259 }, { tu64, tu32, 41259 }, { tu64, ti64, 41259 }, { tu64, tu64, 41259 },
        { tu64, tf32, 41259 }, { tu64, tf64, 41259 },

        { tf32, tu16, 41259 },
        { tf32, ti32, 41259 }, { tf32, tu32, 41259 }, { tf32, ti64, 41259 }, { tf32, tu64, 41259 },
        { tf32, tf32, 41259 }, { tf32, tf64, 41259 },

        { tf64, tu16, 41259 },
        { tf64, ti32, 41259 }, { tf64, tu32, 41259 }, { tf64, ti64, 41259 }, { tf64, tu64, 41259 },
        { tf64, tf32, 41259 }, { tf64, tf64, 41259 },

        /* value good in u32 and up (3758096384) */
        { tu32, tu32, 3758096384 }, { tu32, ti64, 3758096384 }, { tu32, tu64, 3758096384 },
        { tu32, tf32, 3758096384 }, { tu32, tf64, 3758096384 },

        { ti64, tu32, 3758096384 }, { ti64, ti64, 3758096384 }, { ti64, tu64, 3758096384 },
        { ti64, tf32, 3758096384 }, { ti64, tf64, 3758096384 },

        { tu64, tu32, 3758096384 }, { tu64, ti64, 3758096384 }, { tu64, tu64, 3758096384 },
        { tu64, tf32, 3758096384 }, { tu64, tf64, 3758096384 },

        { tf32, tu32, 3758096384 }, { tf32, ti64, 3758096384 }, { tf32, tu64, 3758096384 },
        { tf32, tf32, 3758096384 }, { tf32, tf64, 3758096384 },

        { tf64, tu32, 3758096384 }, { tf64, ti64, 3758096384 }, { tf64, tu64, 3758096384 },
        { tf64, tf32, 3758096384 }, { tf64, tf64, 3758096384 },

        /* value good in u64 and up (16717361816799281152) */
        { tu64, tu64, 16717361816799281152 },
        { tu64, tf32, 16717361816799281152 }, { tu64, tf64, 16717361816799281152 },

        { tf32, tu64, 16717361816799281152 },
        { tf32, tf32, 16717361816799281152 }, { tf32, tf64, 16717361816799281152 },

        { tf64, tu64, 16717361816799281152 },
        { tf64, tf32, 16717361816799281152 }, { tf64, tf64, 16717361816799281152 },
}

func main() {
        for i:=0; i<len(x); i++ {
                v := x[i].val           // input value
                w := big(0)             // output value
                f := x[i].from          // input type
                t := x[i].to            // output type

                i8  = 0; u8  = 0; i16 = 0; u16 = 0
                i32 = 0; u32 = 0; i64 = 0; u64 = 0
                f32 = 0; f64 = 0

                switch f*100 + t {
                default:
                        println("missing case", i, v, f, t)
                        w = v

                case ti8*100 + ti8:
                        i8 = int8(v); i8 = int8(i8); w = big(i8)
                case ti8*100 + tu8:
                        i8 = int8(v); u8 = uint8(i8); w = big(u8)
                case ti8*100 + ti16:
                        i8 = int8(v); i16 = int16(i8); w = big(i16)
                case ti8*100 + tu16:
                        i8 = int8(v); u16 = uint16(i8); w = big(u16)
                case ti8*100 + ti32:
                        i8 = int8(v); i32 = int32(i8); w = big(i32)
                case ti8*100 + tu32:
                        i8 = int8(v); u32 = uint32(i8); w = big(u32)
                case ti8*100 + ti64:
                        i8 = int8(v); i64 = int64(i8); w = big(i64)
                case ti8*100 + tu64:
                        i8 = int8(v); u64 = uint64(i8); w = big(u64)
                case ti8*100 + tf32:
                        i8 = int8(v); f32 = float32(i8); w = big(f32)
                case ti8*100 + tf64:
                        i8 = int8(v); f64 = float64(i8); w = big(f64)

                case tu8*100 + ti8:
                        u8 = uint8(v); i8 = int8(u8); w = big(i8)
                case tu8*100 + tu8:
                        u8 = uint8(v); u8 = uint8(u8); w = big(u8)
                case tu8*100 + ti16:
                        u8 = uint8(v); i16 = int16(u8); w = big(i16)
                case tu8*100 + tu16:
                        u8 = uint8(v); u16 = uint16(u8); w = big(u16)
                case tu8*100 + ti32:
                        u8 = uint8(v); i32 = int32(u8); w = big(i32)
                case tu8*100 + tu32:
                        u8 = uint8(v); u32 = uint32(u8); w = big(u32)
                case tu8*100 + ti64:
                        u8 = uint8(v); i64 = int64(u8); w = big(i64)
                case tu8*100 + tu64:
                        u8 = uint8(v); u64 = uint64(u8); w = big(u64)
                case tu8*100 + tf32:
                        u8 = uint8(v); f32 = float32(u8); w = big(f32)
                case tu8*100 + tf64:
                        u8 = uint8(v); f64 = float64(u8); w = big(f64)

                case ti16*100 + ti8:
                        i16 = int16(v); i8 = int8(i16); w = big(i8)
                case ti16*100 + tu8:
                        i16 = int16(v); u8 = uint8(i16); w = big(u8)
                case ti16*100 + ti16:
                        i16 = int16(v); i16 = int16(i16); w = big(i16)
                case ti16*100 + tu16:
                        i16 = int16(v); u16 = uint16(i16); w = big(u16)
                case ti16*100 + ti32:
                        i16 = int16(v); i32 = int32(i16); w = big(i32)
                case ti16*100 + tu32:
                        i16 = int16(v); u32 = uint32(i16); w = big(u32)
                case ti16*100 + ti64:
                        i16 = int16(v); i64 = int64(i16); w = big(i64)
                case ti16*100 + tu64:
                        i16 = int16(v); u64 = uint64(i16); w = big(u64)
                case ti16*100 + tf32:
                        i16 = int16(v); f32 = float32(i16); w = big(f32)
                case ti16*100 + tf64:
                        i16 = int16(v); f64 = float64(i16); w = big(f64)

                case tu16*100 + ti8:
                        u16 = uint16(v); i8 = int8(u16); w = big(i8)
                case tu16*100 + tu8:
                        u16 = uint16(v); u8 = uint8(u16); w = big(u8)
                case tu16*100 + ti16:
                        u16 = uint16(v); i16 = int16(u16); w = big(i16)
                case tu16*100 + tu16:
                        u16 = uint16(v); u16 = uint16(u16); w = big(u16)
                case tu16*100 + ti32:
                        u16 = uint16(v); i32 = int32(u16); w = big(i32)
                case tu16*100 + tu32:
                        u16 = uint16(v); u32 = uint32(u16); w = big(u32)
                case tu16*100 + ti64:
                        u16 = uint16(v); i64 = int64(u16); w = big(i64)
                case tu16*100 + tu64:
                        u16 = uint16(v); u64 = uint64(u16); w = big(u64)
                case tu16*100 + tf32:
                        u16 = uint16(v); f32 = float32(u16); w = big(f32)
                case tu16*100 + tf64:
                        u16 = uint16(v); f64 = float64(u16); w = big(f64)

                case ti32*100 + ti8:
                        i32 = int32(v); i8 = int8(i32); w = big(i8)
                case ti32*100 + tu8:
                        i32 = int32(v); u8 = uint8(i32); w = big(u8)
                case ti32*100 + ti16:
                        i32 = int32(v); i16 = int16(i32); w = big(i16)
                case ti32*100 + tu16:
                        i32 = int32(v); u16 = uint16(i32); w = big(u16)
                case ti32*100 + ti32:
                        i32 = int32(v); i32 = int32(i32); w = big(i32)
                case ti32*100 + tu32:
                        i32 = int32(v); u32 = uint32(i32); w = big(u32)
                case ti32*100 + ti64:
                        i32 = int32(v); i64 = int64(i32); w = big(i64)
                case ti32*100 + tu64:
                        i32 = int32(v); u64 = uint64(i32); w = big(u64)
                case ti32*100 + tf32:
                        i32 = int32(v); f32 = float32(i32); w = big(f32)
                case ti32*100 + tf64:
                        i32 = int32(v); f64 = float64(i32); w = big(f64)

                case tu32*100 + ti8:
                        u32 = uint32(v); i8 = int8(u32); w = big(i8)
                case tu32*100 + tu8:
                        u32 = uint32(v); u8 = uint8(u32); w = big(u8)
                case tu32*100 + ti16:
                        u32 = uint32(v); i16 = int16(u32); w = big(i16)
                case tu32*100 + tu16:
                        u32 = uint32(v); u16 = uint16(u32); w = big(u16)
                case tu32*100 + ti32:
                        u32 = uint32(v); i32 = int32(u32); w = big(i32)
                case tu32*100 + tu32:
                        u32 = uint32(v); u32 = uint32(u32); w = big(u32)
                case tu32*100 + ti64:
                        u32 = uint32(v); i64 = int64(u32); w = big(i64)
                case tu32*100 + tu64:
                        u32 = uint32(v); u64 = uint64(u32); w = big(u64)
                case tu32*100 + tf32:
                        u32 = uint32(v); f32 = float32(u32); w = big(f32)
                case tu32*100 + tf64:
                        u32 = uint32(v); f64 = float64(u32); w = big(f64)

                case ti64*100 + ti8:
                        i64 = int64(v); i8 = int8(i64); w = big(i8)
                case ti64*100 + tu8:
                        i64 = int64(v); u8 = uint8(i64); w = big(u8)
                case ti64*100 + ti16:
                        i64 = int64(v); i16 = int16(i64); w = big(i16)
                case ti64*100 + tu16:
                        i64 = int64(v); u16 = uint16(i64); w = big(u16)
                case ti64*100 + ti32:
                        i64 = int64(v); i32 = int32(i64); w = big(i32)
                case ti64*100 + tu32:
                        i64 = int64(v); u32 = uint32(i64); w = big(u32)
                case ti64*100 + ti64:
                        i64 = int64(v); i64 = int64(i64); w = big(i64)
                case ti64*100 + tu64:
                        i64 = int64(v); u64 = uint64(i64); w = big(u64)
                case ti64*100 + tf32:
                        i64 = int64(v); f32 = float32(i64); w = big(f32)
                case ti64*100 + tf64:
                        i64 = int64(v); f64 = float64(i64); w = big(f64)

                case tu64*100 + ti8:
                        u64 = uint64(v); i8 = int8(u64); w = big(i8)
                case tu64*100 + tu8:
                        u64 = uint64(v); u8 = uint8(u64); w = big(u8)
                case tu64*100 + ti16:
                        u64 = uint64(v); i16 = int16(u64); w = big(i16)
                case tu64*100 + tu16:
                        u64 = uint64(v); u16 = uint16(u64); w = big(u16)
                case tu64*100 + ti32:
                        u64 = uint64(v); i32 = int32(u64); w = big(i32)
                case tu64*100 + tu32:
                        u64 = uint64(v); u32 = uint32(u64); w = big(u32)
                case tu64*100 + ti64:
                        u64 = uint64(v); i64 = int64(u64); w = big(i64)
                case tu64*100 + tu64:
                        u64 = uint64(v); u64 = uint64(u64); w = big(u64)
                case tu64*100 + tf32:
                        u64 = uint64(v); f32 = float32(u64); w = big(f32)
                case tu64*100 + tf64:
                        u64 = uint64(v); f64 = float64(u64); w = big(f64)

                case tf32*100 + ti8:
                        f32 = float32(v); i8 = int8(f32); w = big(i8)
                case tf32*100 + tu8:
                        f32 = float32(v); u8 = uint8(f32); w = big(u8)
                case tf32*100 + ti16:
                        f32 = float32(v); i16 = int16(f32); w = big(i16)
                case tf32*100 + tu16:
                        f32 = float32(v); u16 = uint16(f32); w = big(u16)
                case tf32*100 + ti32:
                        f32 = float32(v); i32 = int32(f32); w = big(i32)
                case tf32*100 + tu32:
                        f32 = float32(v); u32 = uint32(f32); w = big(u32)
                case tf32*100 + ti64:
                        f32 = float32(v); i64 = int64(f32); w = big(i64)
                case tf32*100 + tu64:
                        f32 = float32(v); u64 = uint64(f32); w = big(u64)
                case tf32*100 + tf32:
                        f32 = float32(v); f32 = float32(f32); w = big(f32)
                case tf32*100 + tf64:
                        f32 = float32(v); f64 = float64(f32); w = big(f64)

                case tf64*100 + ti8:
                        f64 = float64(v); i8 = int8(f64); w = big(i8)
                case tf64*100 + tu8:
                        f64 = float64(v); u8 = uint8(f64); w = big(u8)
                case tf64*100 + ti16:
                        f64 = float64(v); i16 = int16(f64); w = big(i16)
                case tf64*100 + tu16:
                        f64 = float64(v); u16 = uint16(f64); w = big(u16)
                case tf64*100 + ti32:
                        f64 = float64(v); i32 = int32(f64); w = big(i32)
                case tf64*100 + tu32:
                        f64 = float64(v); u32 = uint32(f64); w = big(u32)
                case tf64*100 + ti64:
                        f64 = float64(v); i64 = int64(f64); w = big(i64)
                case tf64*100 + tu64:
                        f64 = float64(v); u64 = uint64(f64); w = big(u64)
                case tf64*100 + tf32:
                        f64 = float64(v); f32 = float32(f64); w = big(f32)
                case tf64*100 + tf64:
                        f64 = float64(v); f64 = float64(f64); w = big(f64)
                }
                if v != w { println(i, v, w, f, t) }
        }
}