def fmod(x, y):
    return 0.0
Reads z-index database file and returns the first or last key depending on sort order
dataset/ETHPy150Open JetBrains/python-skeletons/math.py/fmod--crossover with--dataset/ETHPy150Open nasa-gibs/onearth/src/layer_config/bin/oe_configure_layer.py/read_zkey