Results for “Numeric parsing & arithmetic”
Small, practical examples. Search by task or narrow things down below.
Check whether a value is a safe integer
JavaScript: Number.isSafeInteger also checks the exact-integer range supported by Number.
JavaScript✓ Tested
Check whether a value is a safe integer
TypeScript: Number.isSafeInteger also checks the exact-integer range supported by Number.
TypeScript✓ Tested
Clamp a number between inclusive bounds
JavaScript: Combine Math.min and Math.max when lower is no greater than upper.
JavaScript✓ Tested
Clamp a number between inclusive bounds
TypeScript: Combine Math.min and Math.max when lower is no greater than upper.
TypeScript✓ Tested
Clamp a number to inclusive bounds
PowerShell: Math.Clamp chooses the nearest endpoint for an out-of-range value.
PowerShell✓ Tested
Compare bounded floating-point results with a tolerance
JavaScript: Use an absolute error threshold for values known to be near one.
JavaScript✓ Tested
Compare bounded floating-point results with a tolerance
TypeScript: Use an absolute error threshold for values known to be near one.
TypeScript✓ Tested
Compare floating-point results with a tolerance
Java: For this bounded example, compare the absolute difference against a chosen error threshold.
Java✓ Tested
Compute beyond the fixed-width integer range
PowerShell: BigInteger keeps an exact result when ordinary integer types are too small.
PowerShell✓ Tested
Convert ASCII text to lowercase safely
C++: Cast each byte to unsigned char before using the cctype function.
C++✓ Tested
Convert ASCII text to lowercase safely
C: Cast to unsigned char before calling ctype functions on a possibly signed char.
C✓ Tested
Convert Unix seconds into an aware UTC timestamp
PowerShell: DateTimeOffset.FromUnixTimeSeconds creates a value with an explicit UTC offset.
PowerShell✓ Tested