math.is_subnormal

BOOLmath.is_subnormalFLOATx

Available in all subroutines.

Determines whether a floating point value is subnormal. See floating point classifications for more information.

Example

declare local var.f FLOAT;
set var.f = math.FLOAT_MIN; # minimum finite value
if (!math.is_subnormal(var.f)) {
log "not subnormal";
}
set var.f /= 2;
if (math.is_subnormal(var.f)) {
log "subnormal";
}

User contributed notes

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