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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( x, name )
Generate fixture data and write to file.
# Arguments
* `x`: input values
* `name::AbstractString`: output filename
# Examples
``` julia
julia> x = rand( 1000 )*1000.0 - 500.0;
julia> gen( x, \"data.json\" );
```
"""
function gen( x, name )
len = length( x );
frac = Array{Float64}( undef, len );
integral = Array{Float64}( undef, len );
for i in eachindex(x)
out = modf( x[i] );
frac[ i ] = out[ 1 ];
integral[ i ] = out[ 2 ];
end
# Store data to be written to file as a collection:
data = Dict([
("x", x),
("frac", frac),
("integral", integral)
]);
# Based on the script directory, create an output filepath:
filepath = joinpath( dir, name );
# Write the data to the output filepath as JSON:
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 normal values:
x = range( -1000, stop = 1000, length = 1003 );
gen( x, "medium.json" );
# Generate small values:
x = range( -1.0, stop = 1.0, length = 1003 );
gen( x, "small.json" );
# Generate subnormal values:
x = range( 1.0e-314, stop = 1.0e-315, length = 1003 );
gen( x, "subnormal.json" );
# Generate large values:
x = range( 2.0^21, stop = 2.0^51, length = 1003 );
gen( x, "large.json" );
# Generate huge values:
x = range( 1.0e299, stop = 1.0e301, length = 1003 );
gen( x, "huge.json" );
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