Returns the floating point number represented by the value that is associated with key, or default_val if the value does not represent a floating point number. Floating point numbers are parsed with g_ascii_strtod(). Since 2.10
a key
the default value
the floating point number associated with key
See Implementation
Returns the floating point number represented by the value that is associated with key, or default_val if the value does not represent a floating point number. Floating point numbers are parsed with g_ascii_strtod(). Since 2.10