# Synopsis

double s041_GetUnitConversion(long option, int target_unit, int src_unit)

# Purpose

Return conversion coefficient between two s041 units.

# Description

Returns conversion coefficient. Where target_units = coeff * src_units.

# Input

## option

Option (Not used)

## target_unit

s041 unit to convert to

## src_unit

s041 unit to convert from

# Return

Conversion Coefficient, or '-1' if error