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Results 1 - 3 of 3 for MulByLog10Log2 (0.29 sec)
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src/strconv/ftoaryu_test.go
} } } func TestMulByLog10Log2(t *testing.T) { for x := -500; x <= +500; x++ { iMath := MulByLog10Log2(x) fMath := int(math.Floor(float64(x) * math.Ln10 / math.Ln2)) if iMath != fMath { t.Errorf("mulByLog10Log2(%d) failed: %d vs %d\n", x, iMath, fMath) } }
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu Apr 15 08:44:21 UTC 2021 - 759 bytes - Viewed (0) -
src/strconv/internal_test.go
} func ParseFloatPrefix(s string, bitSize int) (float64, int, error) { return parseFloatPrefix(s, bitSize) } func MulByLog2Log10(x int) int { return mulByLog2Log10(x) } func MulByLog10Log2(x int) int { return mulByLog10Log2(x)
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu Apr 15 08:44:21 UTC 2021 - 618 bytes - Viewed (0) -
src/strconv/ftoaryu.go
return (x * 78913) >> 18 } // mulByLog10Log2 returns math.Floor(x * log(10)/log(2)) for an integer x in // the range -500 <= x && x <= +500. // // The range restriction lets us work in faster integer arithmetic instead of // slower floating point arithmetic. Correctness is verified by unit tests. func mulByLog10Log2(x int) int { // log(10)/log(2) ≈ 3.32192809489 ≈ 108853 / 2^15
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Fri Sep 09 00:28:56 UTC 2022 - 15.7K bytes - Viewed (0)