mirror of
https://github.com/make-42/xyosc
synced 2025-01-18 18:57:10 +01:00
43 lines
1.8 KiB
Go
43 lines
1.8 KiB
Go
package math32
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// Mathematical constants.
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const (
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E = float32(2.71828182845904523536028747135266249775724709369995957496696763) // http://oeis.org/A001113
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Pi = float32(3.14159265358979323846264338327950288419716939937510582097494459) // http://oeis.org/A000796
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Phi = float32(1.61803398874989484820458683436563811772030917980576286213544862) // http://oeis.org/A001622
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Sqrt2 = float32(1.41421356237309504880168872420969807856967187537694807317667974) // http://oeis.org/A002193
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SqrtE = float32(1.64872127070012814684865078781416357165377610071014801157507931) // http://oeis.org/A019774
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SqrtPi = float32(1.77245385090551602729816748334114518279754945612238712821380779) // http://oeis.org/A002161
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SqrtPhi = float32(1.27201964951406896425242246173749149171560804184009624861664038) // http://oeis.org/A139339
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Ln2 = float32(0.693147180559945309417232121458176568075500134360255254120680009) // http://oeis.org/A002162
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Log2E = float32(1 / Ln2)
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Ln10 = float32(2.30258509299404568401799145468436420760110148862877297603332790) // http://oeis.org/A002392
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Log10E = float32(1 / Ln10)
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)
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// Floating-point limit values.
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// Max is the largest finite value representable by the type.
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// SmallestNonzero is the smallest positive, non-zero value representable by the type.
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const (
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MaxFloat32 = 3.40282346638528859811704183484516925440e+38 // 2**127 * (2**24 - 1) / 2**23
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SmallestNonzeroFloat32 = 1.401298464324817070923729583289916131280e-45 // 1 / 2**(127 - 1 + 23)
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)
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// Integer limit values.
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const (
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MaxInt8 = 1<<7 - 1
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MinInt8 = -1 << 7
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MaxInt16 = 1<<15 - 1
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MinInt16 = -1 << 15
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MaxInt32 = 1<<31 - 1
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MinInt32 = -1 << 31
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MaxInt64 = 1<<63 - 1
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MinInt64 = -1 << 63
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MaxUint8 = 1<<8 - 1
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MaxUint16 = 1<<16 - 1
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MaxUint32 = 1<<32 - 1
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MaxUint64 = 1<<64 - 1
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)
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