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// polynomial for approximating exp(x)-1 in double precision
//
// Copyright (c) 2022-2023, Arm Limited.
// SPDX-License-Identifier: MIT OR Apache-2.0 WITH LLVM-exception
deg = 12;
a = -log(2)/2;
b = log(2)/2;
f = proc(y) {
return exp(y)-1;
};
poly = fpminimax(f(x), deg, [|double ...|], [a;b]);
display = hexadecimal;
print("rel error:", accurateinfnorm(1-poly(x)/f(x), [a;b], 30));
print("in [",a,b,"]");
print("coeffs:");
for i from 2 to deg do round(coeff(poly,i), D, RN);
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