Defines machine epsilon for double-precision floating point ops.
Defines machine epsilon for double-precision floating point ops. This is, roughly speaking, the minimum distance between distinct floating point numbers. Double values closer than DOUBLE_EPSILON should be considered identical.
Defines machine epsilon for single-precision floating point ops.
Defines machine epsilon for single-precision floating point ops. This is, roughly speaking, the minimum distance between distinct floating point numbers. Float values closer than FLOAT_EPSILON should be considered identical.