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Results 1 - 10 of 19 for ldexp (0.04 sec)
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src/math/ldexp.go
package math // Ldexp is the inverse of [Frexp]. // It returns frac × 2**exp. // // Special cases are: // // Ldexp(±0, exp) = ±0 // Ldexp(±Inf, exp) = ±Inf // Ldexp(NaN, exp) = NaN func Ldexp(frac float64, exp int) float64 { if haveArchLdexp { return archLdexp(frac, exp) } return ldexp(frac, exp) } func ldexp(frac float64, exp int) float64 { // special cases switch {
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu Oct 19 11:59:09 UTC 2023 - 1.1K bytes - Viewed (0) -
src/strconv/ftoa_test.go
{"64Fixed16", 1.23456e-78, 'e', 16, 64}, // From testdata/testfp.txt {"64Fixed12Hard", math.Ldexp(6965949469487146, -249), 'e', 12, 64}, {"64Fixed17Hard", math.Ldexp(8887055249355788, 665), 'e', 17, 64}, {"64Fixed18Hard", math.Ldexp(6994187472632449, 690), 'e', 18, 64}, // Trigger slow path (see issue #15672). // The shortest is: 8.034137530808823e+43 {"Slowpath64", 8.03413753080882349e+43, 'e', -1, 64},
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Fri Jun 24 23:50:20 UTC 2022 - 9.3K bytes - Viewed (0) -
src/math/exp.go
) r := hi - lo t := r * r c := r - t*(P1+t*(P2+t*(P3+t*(P4+t*P5)))) y := 1 - ((lo - (r*c)/(2-c)) - hi) // TODO(rsc): make sure Ldexp can handle boundary k return Ldexp(y, k)
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu Oct 19 11:59:09 UTC 2023 - 5.4K bytes - Viewed (0) -
src/math/mod.go
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Mon Apr 11 16:34:30 UTC 2022 - 903 bytes - Viewed (0) -
src/math/pow.go
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Tue Jan 24 19:10:58 UTC 2023 - 3.6K bytes - Viewed (0) -
test/codegen/condmove.go
// arm64:"CSEL\tNE" // ppc64x:"ISEL\t[$]2" // wasm:"Select" return a } //go:noinline func frexp(f float64) (frac float64, exp int) { return 1.0, 4 } //go:noinline func ldexp(frac float64, exp int) float64 { return 1.0 } // Generate a CMOV with a floating comparison and integer move. func cmovfloatint2(x, y float64) float64 { yfr, yexp := 4.0, 5 r := x for r >= y {
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Fri Oct 06 20:57:33 UTC 2023 - 6.2K bytes - Viewed (0) -
src/math/all_test.go
} func TestLdexp(t *testing.T) { for i := 0; i < len(vf); i++ { if f := Ldexp(frexp[i].f, frexp[i].i); !veryclose(vf[i], f) { t.Errorf("Ldexp(%g, %d) = %g, want %g", frexp[i].f, frexp[i].i, f, vf[i]) } } for i := 0; i < len(vffrexpSC); i++ { if f := Ldexp(frexpSC[i].f, frexpSC[i].i); !alike(vffrexpSC[i], f) { t.Errorf("Ldexp(%g, %d) = %g, want %g", frexpSC[i].f, frexpSC[i].i, f, vffrexpSC[i]) } }
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Fri Jul 07 17:39:26 UTC 2023 - 86.8K bytes - Viewed (0) -
src/math/big/rat_test.go
f, _ := r.Float32() if !checkIsBestApprox32(t, f, r) { // Append context information. t.Errorf("(input was mantissa %#x, exp %d; f = %g (%b); f ~ %g; r = %v)", b, exp, f, f, math.Ldexp(float64(b), exp), r) } checkNonLossyRoundtrip32(t, f) } } } } } func TestFloat64Distribution(t *testing.T) { // Generate a distribution of (sign, mantissa, exp) values
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Fri Jan 07 00:15:59 UTC 2022 - 18.9K bytes - Viewed (0) -
src/math/big/rat.go
// Complete rollover 11...1 => 100...0, so shift is safe mantissa >>= 1 exp++ } } } mantissa >>= 1 // discard rounding bit. Mantissa now scaled by 1<<Msize1. f = float32(math.Ldexp(float64(mantissa), exp-Msize1)) if math.IsInf(float64(f), 0) { exact = false } return } // quotToFloat64 returns the non-negative float64 value // nearest to the quotient a/b, using round-to-even in
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu Oct 19 11:59:09 UTC 2023 - 13.5K bytes - Viewed (0) -
src/fmt/scan.go
} m, err := strconv.Atoi(str[p+1:]) if err != nil { // Put full string into error. if e, ok := err.(*strconv.NumError); ok { e.Num = str } s.error(err) } return math.Ldexp(f, m) } f, err := strconv.ParseFloat(str, n) if err != nil { s.error(err) } return f } // scanComplex converts the next token to a complex128 value.
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Tue Apr 02 21:56:20 UTC 2024 - 31.9K bytes - Viewed (0)