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Results for “Precise numeric calculations”

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JavaPrecise numeric calculations

Calculate beyond the long integer range

Java: Use BigInteger when a fixed-width primitive type would overflow.

Java✓ Tested
JavaPrecise numeric calculations

Compare floating-point results with a tolerance

Java: For this bounded example, compare the absolute difference against a chosen error threshold.

Java✓ Tested
JavaPrecise numeric calculations

Detect integer addition overflow

Java: Math.addExact throws rather than silently wrapping on overflow.

Java✓ Tested
JavaPrecise numeric calculations

Display an integer as unsigned

Java: Use unsigned conversion methods when interpreting a fixed-width bit pattern.

Java✓ Tested
JavaPrecise numeric calculations

Divide decimal values with controlled precision

Java: Choose both scale and rounding for a quotient that does not terminate in base ten.

Java✓ Tested
JavaPrecise numeric calculations

Divide negative integers with floor rounding

Java: floorDiv and floorMod provide consistent floor-based quotient and remainder.

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JavaPrecise numeric calculations

Find the greatest common divisor

Java: BigInteger.gcd calculates an exact nonnegative common divisor.

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JavaPrecise numeric calculations

Parse an integer in another base

Java: Supply an explicit radix to Integer.parseInt.

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JavaPrecise numeric calculations

Reject nonfinite floating-point values

Java: Double.isFinite excludes both infinity and NaN.

Java✓ Tested
JavaPrecise numeric calculations

Round a decimal with an explicit rule

Java: Construct BigDecimal from text to avoid importing a binary floating-point approximation.

Java✓ Tested
SQLReporting & grouped calculations

Calculate each group’s numeric spread

SQL: Subtract MIN from MAX to report the difference between extremes.

SQL✓ Tested
SQL ServerReporting & grouped calculations

Calculate each group’s numeric spread

SQL Server: Subtract MIN from MAX to report the difference between extremes.

SQL Server✓ Tested