Function Macro

GLibAPPROX_VALUE

since: 2.58

Declaration [src] 

#define G_APPROX_VALUE (
  a,
  b,
  epsilon
)

Description [src]

Evaluates to a truth value if the absolute difference between a and b is smaller than epsilon, and to a false value otherwise.

For example,

  • G_APPROX_VALUE (5, 6, 2) evaluates to true
  • G_APPROX_VALUE (3.14, 3.15, 0.001) evaluates to false
  • G_APPROX_VALUE (n, 0.f, FLT_EPSILON) evaluates to true if n is within the single precision floating point epsilon from zero.

Available since: 2.58

This function is not directly available to language bindings.

Parameters

a

Type: -

A numeric value.

b

Type: -

A numeric value.

epsilon

Type: -

A numeric value that expresses the tolerance between a and b.