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#!/usr/bin/env julia
#
# @license Apache-2.0
#
# Copyright (c) 2018 The Stdlib Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import JSON
"""
gen( exp, filepath )
Generate fixture data and write to file.
# Arguments
* `exp`: exponents used to randomly generate numbers of varying magnitudes
* `filepath::AbstractString`: filepath of the output file
# Examples
``` julia
julia> exp = range( 0, stop = 308, length = 5001 );
julia> gen( exp, \"./data.json\" );
```
"""
function gen( exp, filepath )
len = length( exp );
x = Array{Float64}( undef, len );
y = rand( len ) .- 0.5;
z = Array{Float64}( undef, len );
for i in eachindex(x)
x[i] = (rand()-0.5) * 10^exp[i];
z[i] = flipsign( x[i], y[i] );
end
data = Dict([
("x", x),
("y", y),
("expected", z)
]);
outfile = open( filepath, "w" );
write( outfile, JSON.json(data) );
close( outfile );
end
# Get the filename:
file = @__FILE__;
# Extract the directory in which this file resides:
dir = dirname( file );
# Generate fixture data from 0 to 10**308:
exp = range( 0, stop = 308, length = 5001 );
out = joinpath( dir, "data.json" );
gen( exp, out );
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