0p0 - Code Search

test/fixedbugs/issue9036.go

	x2 = 1e10   // float
	x3 = 0x1e10 // integer (e is a hex digit)
)

const x4 = 0x1p10 // valid hexadecimal float
const x5 = 1p10   // ERROR "'p' exponent requires hexadecimal mantissa|invalid prefix"
const x6 = 0P0    // ERROR "'P' exponent requires hexadecimal mantissa|invalid prefix"

func main() {
	fmt.Printf("%g %T\n", x1, x1)
	fmt.Printf("%g %T\n", x2, x2)
	fmt.Printf("%g %T\n", x3, x3)
	fmt.Printf("%g %T\n", x4, x4)

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Thu Dec 10 18:34:40 UTC 2020

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github.com/golang/go

src/cmd/gofmt/testdata/go2numbers.golden

	// hexadecimal floats
	_ = 0x0.p+0
	_ = 0xdeadcafe.p-10
	_ = 0x1234.p123

	_ = 0x.1p-0
	_ = 0x.deadcafep2
	_ = 0x.1234p+10

	_ = 0x0p0
	_ = 0xdeadcafep+1
	_ = 0x1234p-10

	_ = 0x0.0p0
	_ = 0xdead.cafep+1
	_ = 0x12.34p-10

	_ = 0xdead_cafep+1
	_ = 0x_1234p-10

	_ = 0x_dead_cafe.p-10
	_ = 0x12_34.p1_2_3
	_ = 0x1_2_3_4.p-1_2_3

	// imaginaries
	_ = 0i
	_ = 0i

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Fri Jun 21 17:24:29 UTC 2019

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github.com/golang/go

src/go/printer/testdata/go2numbers.input

	// hexadecimal floats
	_ = 0x0.p+0
	_ = 0Xdeadcafe.p-10
	_ = 0x1234.P123

	_ = 0x.1p-0
	_ = 0X.deadcafep2
	_ = 0x.1234P+10

	_ = 0x0p0
	_ = 0Xdeadcafep+1
	_ = 0x1234P-10

	_ = 0x0.0p0
	_ = 0Xdead.cafep+1
	_ = 0x12.34P-10

	_ = 0Xdead_cafep+1
	_ = 0x_1234P-10

	_ = 0X_dead_cafe.p-10
	_ = 0x12_34.P1_2_3
	_ = 0X1_2_3_4.P-1_2_3

	// imaginaries
	_ = 0i
	_ = 00i

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Fri May 01 21:54:06 UTC 2020

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github.com/golang/go

src/go/printer/testdata/go2numbers.norm

	// hexadecimal floats
	_	= 0x0.p+0
	_	= 0xdeadcafe.p-10
	_	= 0x1234.p123

	_	= 0x.1p-0
	_	= 0x.deadcafep2
	_	= 0x.1234p+10

	_	= 0x0p0
	_	= 0xdeadcafep+1
	_	= 0x1234p-10

	_	= 0x0.0p0
	_	= 0xdead.cafep+1
	_	= 0x12.34p-10

	_	= 0xdead_cafep+1
	_	= 0x_1234p-10

	_	= 0x_dead_cafe.p-10
	_	= 0x12_34.p1_2_3
	_	= 0x1_2_3_4.p-1_2_3

	// imaginaries
	_	= 0i
	_	= 0i

Registered: Wed Jun 12 16:32:35 UTC 2024

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github.com/golang/go

src/cmd/gofmt/testdata/go2numbers.input

	// hexadecimal floats
	_ = 0x0.p+0
	_ = 0Xdeadcafe.p-10
	_ = 0x1234.P123

	_ = 0x.1p-0
	_ = 0X.deadcafep2
	_ = 0x.1234P+10

	_ = 0x0p0
	_ = 0Xdeadcafep+1
	_ = 0x1234P-10

	_ = 0x0.0p0
	_ = 0Xdead.cafep+1
	_ = 0x12.34P-10

	_ = 0Xdead_cafep+1
	_ = 0x_1234P-10

	_ = 0X_dead_cafe.p-10
	_ = 0x12_34.P1_2_3
	_ = 0X1_2_3_4.P-1_2_3

	// imaginaries
	_ = 0i
	_ = 00i

Registered: Wed Jun 12 16:32:35 UTC 2024

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github.com/golang/go

src/go/printer/testdata/go2numbers.golden

	// hexadecimal floats
	_	= 0x0.p+0
	_	= 0Xdeadcafe.p-10
	_	= 0x1234.P123

	_	= 0x.1p-0
	_	= 0X.deadcafep2
	_	= 0x.1234P+10

	_	= 0x0p0
	_	= 0Xdeadcafep+1
	_	= 0x1234P-10

	_	= 0x0.0p0
	_	= 0Xdead.cafep+1
	_	= 0x12.34P-10

	_	= 0Xdead_cafep+1
	_	= 0x_1234P-10

	_	= 0X_dead_cafe.p-10
	_	= 0x12_34.P1_2_3
	_	= 0X1_2_3_4.P-1_2_3

	// imaginaries
	_	= 0i
	_	= 00i

Registered: Wed Jun 12 16:32:35 UTC 2024

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github.com/golang/go

src/internal/types/testdata/check/literals.go

	assert(0X.deadcafep4 == 1.0*0xdeadcafe/0x10000000)
	assert(0x.1234P+12 == 1.0*0x1234/0x10)

	assert(0x0p0 == 0.)
	assert(0Xdeadcafep+1 == 0x1bd5b95fc)
	assert(0x1234P-10 == 0x1234/1024.0)

	assert(0x0.0p0 == 0.)
	assert(0Xdead.cafep+1 == 1.0*0x1bd5b95fc/0x10000)
	assert(0x12.34P-10 == 1.0*0x1234/0x40000)

	assert(0Xdead_cafep+1 == 0xdeadcafep+1)
	assert(0x_1234P-10 == 0x1234p-10)

Registered: Wed Jun 12 16:32:35 UTC 2024

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github.com/golang/go

src/math/big/floatconv_test.go

		{"-687436.79457E245", -687436.79457e245},
		{".0000000000000000000000000000000000000001", 1e-40},
		{"+10000000000000000000000000000000000000000e-0", 1e40},

		// decimal mantissa, binary exponent
		{"0p0", 0},
		{"-0p0", -zero_},
		{"1p10", 1 << 10},
		{"1p+10", 1 << 10},
		{"+1p-10", 1.0 / (1 << 10)},
		{"1024p-12", 0.25},
		{"-1p10", -1024},
		{"1.5p1", 3},

		// binary mantissa, decimal exponent

Registered: Wed Jun 12 16:32:35 UTC 2024

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github.com/golang/go

src/cmd/compile/internal/syntax/scanner_test.go

		{FloatLit, "0e", "0e", "exponent has no digits"},
		{FloatLit, "0E+", "0E+", "exponent has no digits"},
		{FloatLit, "1e+f", "1e+ f", "exponent has no digits"},
		{FloatLit, "0p0", "0p0", "'p' exponent requires hexadecimal mantissa"},
		{FloatLit, "1.0P-1", "1.0P-1", "'P' exponent requires hexadecimal mantissa"},

		{ImagLit, "0.i", "0.i", ""},
		{ImagLit, ".123i", ".123i", ""},

Registered: Wed Jun 12 16:32:35 UTC 2024

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github.com/golang/go

src/text/scanner/scanner_test.go

		{Float, "0123.0123e+456", "0123.0123e+456", ""},

		{Float, "0e", "0e", "exponent has no digits"},
		{Float, "0E+", "0E+", "exponent has no digits"},
		{Float, "1e+f", "1e+ f", "exponent has no digits"},
		{Float, "0p0", "0p0", "'p' exponent requires hexadecimal mantissa"},
		{Float, "1.0P-1", "1.0P-1", "'P' exponent requires hexadecimal mantissa"},

		// hexadecimals
		{Int, "0x0", "0x0", ""},
		{Int, "0x1234", "0x1234", ""},

Registered: Wed Jun 12 16:32:35 UTC 2024

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