is_sinf Function (ROM Call 0x302)

AMS 1.01 or higher math.h, timath.h

short is_sinf (float x);

Checks whether the argument is signed infinity.

is_sinf returns TRUE if x is a signed infinity (i.e. POSITIVE_INF or NEGATIVE_INF), else returns FALSE. This function is an alias for TIOS function originally called is_float_signed_infinity.


Uses: _bcd_math
Used by: atan2, itrig