Events2Join

Behavior of overflowing floating|point to integer conversions


The overflow when converting from float to integer is undefined ...

In conclusion the overflow in the conversion from floating-point to integer is rather on the nasty side of C's undefined behavior spectrum. It ...

Behavior of overflowing floating-point to integer conversions #66603

Clang considers this undefined behavior by default, but you can use -fno-strict-float-cast-overflow to make overflowing float to int casts well- ...

Handling overflow when casting doubles to integers in C

When casting floats to integers, overflow causes undefined behavior. From the C99 spec, section 6.3.1.4 Real floating and integer:.

Converting float to int can be undefined behavior and how to fix it

All of these conversions are undefined behavior if the float is out of bounds for the int. ... Overflow, NaN, Success (contains converted value).

Floating-point to integer conversions should saturate on overflow

For a conversion from float or double to an integral type, the processing depends on the overflow-checking context (§12.8.19) in which the ...

Integer overflow - Wikipedia

In computer programming, an integer overflow occurs when an arithmetic operation on integers attempts to create a numeric value that is outside of the range ...

Understanding and Preventing Overflow (I Had Too Much to Add ...

Single-precision floating-point numbers go up to just below 2128 and are "vulnerable" to overflow in very large physical calculations. It's more ...

Integer conversion overflow - MathWorks

Integer conversion overflows result in undefined behavior. Fix. The fix depends on the root cause of the defect. Often the result details (or source code ...

Implicit conversions - cppreference.com

Although signed integer overflow in any arithmetic operator is undefined behavior, overflowing a signed integer type in an integer conversion is ...

Mean of integers overflows - bug or expected behaviour?

The function mean(), when used on Int inputs, returns a float result. However, it may silently overflow on integer arithmetic.

What is the Float overflow behavior? - Swift Forums

I see documentation about integer overflow (it's causes a crash, or you can use special operators like &+. What's the deal with Float?

FLP06-C. Convert integers to floating point for floating-point operations

When converting integers to floating-point values, and vice versa, it is important to carry out proper range checks to avoid undefined behavior (see FLP34-C.

How to actually convert float to int? - Arduino Forum

The implicit conversion will cause an overflow when you assign it to a long . The behavior is undefined in C++ for signed integer overflow, ...

Rounding and Overflow in C++ - Open-std.org

Some operations may reasonably both require rounding and require overflow detection. First and foremost, conversion from floating-point to integer may require ...

NUM50-J. Convert integers to floating point for floating ... - Confluence

Operations that could suffer from integer overflow or loss of a fractional remainder should be performed on floating-point values rather than integral values.

CWE-190: Integer Overflow or Wraparound

When this occurs, the value may become a very small or negative number. Diagram for CWE-190. + Alternate Terms. Overflow ...

Convert integral <-> floating point safely? : r/cpp - Reddit

The standard says that if the integer value doesn't fit in the range of the floating point type then the behavior is undefined. Can you link or ...

UndefinedBehaviorSanitizer — Clang 20.0.0git documentation

Conversion to, from, or between floating-point types which would overflow the destination. See the full list of available checks below. UBSan has an optional ...

Definitive Guide To Integer Overflow. - C Board

When does overflow occur? *When performing arithmetic operations in which both left and right operands are signed integers -either by nature or ...

Integer Overflow/Underflow and Floating Point Imprecision. - Medium

The ISO C99 standard says that an integer overflow causes “undefined behaviour”. ... A data conversion from 64-bit floating point value to ...