#SNG: from ftp0n3p08.png
IHDR {
    width: 32; height: 32; bitdepth: 8;
    using color palette;
}
gAMA {1.0000}
PLTE {
    ( 20, 20,109)     # rgb = (0x14,0x14,0x6d)
    (128, 86, 86)     # rgb = (0x80,0x56,0x56)
    (181,181,184)     # rgb = (0xb5,0xb5,0xb8)
    (168, 66, 66)     # rgb = (0xa8,0x42,0x42)
    (159,159,159)     # rgb = (0x9f,0x9f,0x9f)
    (177, 32, 32)     # rgb = (0xb1,0x20,0x20)
    (139, 21, 21)     # rgb = (0x8b,0x15,0x15)

#SNG: from basn3p04.png
IHDR {
    width: 32; height: 32; bitdepth: 4;
    using color palette;
}
gAMA {1.0000}
PLTE {
    ( 34,  0,255)     # rgb = (0x22,0x00,0xff)
    (  0,255,255)     # rgb = (0x00,0xff,0xff)
    (136,  0,255)     # rgb = (0x88,0x00,0xff)
    ( 34,255,  0)     # rgb = (0x22,0xff,0x00)
    (  0,153,255)     # rgb = (0x00,0x99,0xff)
    (255,102,  0)     # rgb = (0xff,0x66,0x00)
    (221,  0,255)     # rgb = (0xdd,0x00,0xff)

#SNG: from basn3p08.png
IHDR {
    width: 32; height: 32; bitdepth: 8;
    using color palette;
}
gAMA {1.0000}
PLTE {
    ( 34, 68,  0)     # rgb = (0x22,0x44,0x00)
    (245,255,237)     # rgb = (0xf5,0xff,0xed)
    (119,255,119)     # rgb = (0x77,0xff,0x77)
    (203,255,255)     # rgb = (0xcb,0xff,0xff)
    ( 17, 10,  0)     # rgb = (0x11,0x0a,0x00)
    ( 58,119,  0)     # rgb = (0x3a,0x77,0x00)
    ( 34, 34,255)     # rgb = (0x22,0x22,0xff)

#SNG: from ftbrn2c08.png
IHDR {
    width: 32; height: 32; bitdepth: 8;
    using color;
}
gAMA {1.0000}
bKGD {red: 255;  green: 0;  blue: 0;}
tRNS {
    red: 255; green: 255; blue: 255;
}
IMAGE {
    pixels hex
ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff ffffff 

#SNG: from ftp0n0g08.png
IHDR {
    width: 32; height: 32; bitdepth: 8;
    using grayscale;
}
gAMA {1.0000}
IMAGE {
    pixels hex
7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f
7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f7f
7f7f7f7f7f7f7f7f7f7f7f7f7f7fe3c9f17f7f7f7f7f7f7f7f7f7f7f7f7f7f7f
7f7f7f7f7f7f7f7f7f7f7fe8b57e655a4661a1e17f7f7f7f7f7f7f7f7f7f7f7f
7f7f7f7f7f7f7f7feebf8967614d362a2824282f5091d4fc7f7f7f7f7f7f7f7f

#SNG: from ftp1n3p08.png
IHDR {
    width: 32; height: 32; bitdepth: 8;
    using color palette;
}
gAMA {1.0000}
PLTE {
    (255,255,255)     # rgb = (0xff,0xff,0xff) grey100
    (128, 86, 86)     # rgb = (0x80,0x56,0x56)
    (181,181,184)     # rgb = (0xb5,0xb5,0xb8)
    (168, 66, 66)     # rgb = (0xa8,0x42,0x42)
    (159,159,159)     # rgb = (0x9f,0x9f,0x9f)
    (177, 32, 32)     # rgb = (0xb1,0x20,0x20)

#SNG: from basn0g01.png
IHDR {
    width: 32; height: 32; bitdepth: 8;
    using grayscale;
}
gAMA {1.0000}
IMAGE {
    pixels hex
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0000
ffffffffffffffffffffffffffffffffffffffffffffffffffffffffff000000
ffffffffffffffffffffffffffffffffffffffffffffffffffffffff00000000
ffffffff0000ffffffffffff0000ffffffffffffffffffffffffff0000000000

#SNG: from basn0g04.png
IHDR {
    width: 32; height: 32; bitdepth: 8;
    using grayscale;
}
gAMA {1.0000}
IMAGE {
    pixels hex
0000000011111111222222223333333344444444555555556666666677777777
0000000011111111222222223333333344444444555555556666666677777777
0000000011111111222222223333333344444444555555556666666677777777
0000000011111111222222223333333344444444555555556666666677777777
1111111122222222333333334444444455555555666666667777777788888888

#SNG: from basn0g08.png
IHDR {
    width: 32; height: 32; bitdepth: 8;
    using grayscale;
}
gAMA {1.0000}
IMAGE {
    pixels hex
000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f
202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f
404142434445464748494a4b4c4d4e4f505152535455565758595a5b5c5d5e5f
606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f
808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f

}

// Complex hyperbolic sine
//
// DESCRIPTION:
//
// csinh z = (cexp(z) - cexp(-z))/2
//         = sinh x * cos y  +  i cosh x * sin y .
//
// ACCURACY:
//
//                      Relative error:
// arithmetic   domain     # trials      peak         rms
//    IEEE      -10,+10     30000       3.1e-16     8.2e-17

// Sinh returns the hyperbolic sine of x.
func Sinh(x complex128) complex128 {