From 84135c729d5160222a45bd1c9bf10705bdbfe118 Mon Sep 17 00:00:00 2001
From: KOLANICH <kolan_n@mail.ru>
Date: Wed, 3 Nov 2021 23:15:07 +0300
Subject: [PATCH] Added some IEEE754 floats

---
 common/ieee754_float/ReadMe.md             |  12 +++++
 common/ieee754_float/f16be.ieee754         | Bin 0 -> 16 bytes
 common/ieee754_float/f16be.ieee754.license |   2 +
 common/ieee754_float/f16le.ieee754         | Bin 0 -> 16 bytes
 common/ieee754_float/f16le.ieee754.license |   2 +
 common/ieee754_float/f2be.ieee754          |   1 +
 common/ieee754_float/f2be.ieee754.license  |   2 +
 common/ieee754_float/f2le.ieee754          |   1 +
 common/ieee754_float/f2le.ieee754.license  |   2 +
 common/ieee754_float/f4be.ieee754          |   1 +
 common/ieee754_float/f4be.ieee754.license  |   2 +
 common/ieee754_float/f4le.ieee754          |   1 +
 common/ieee754_float/f4le.ieee754.license  |   2 +
 common/ieee754_float/f8be.ieee754          |   2 +
 common/ieee754_float/f8be.ieee754.license  |   2 +
 common/ieee754_float/f8le.ieee754          |   2 +
 common/ieee754_float/f8le.ieee754.license  |   2 +
 common/ieee754_float/generate.py           |  57 +++++++++++++++++++++
 18 files changed, 93 insertions(+)
 create mode 100644 common/ieee754_float/ReadMe.md
 create mode 100644 common/ieee754_float/f16be.ieee754
 create mode 100644 common/ieee754_float/f16be.ieee754.license
 create mode 100644 common/ieee754_float/f16le.ieee754
 create mode 100644 common/ieee754_float/f16le.ieee754.license
 create mode 100644 common/ieee754_float/f2be.ieee754
 create mode 100644 common/ieee754_float/f2be.ieee754.license
 create mode 100644 common/ieee754_float/f2le.ieee754
 create mode 100644 common/ieee754_float/f2le.ieee754.license
 create mode 100644 common/ieee754_float/f4be.ieee754
 create mode 100644 common/ieee754_float/f4be.ieee754.license
 create mode 100644 common/ieee754_float/f4le.ieee754
 create mode 100644 common/ieee754_float/f4le.ieee754.license
 create mode 100644 common/ieee754_float/f8be.ieee754
 create mode 100644 common/ieee754_float/f8be.ieee754.license
 create mode 100644 common/ieee754_float/f8le.ieee754
 create mode 100644 common/ieee754_float/f8le.ieee754.license
 create mode 100755 common/ieee754_float/generate.py

diff --git a/common/ieee754_float/ReadMe.md b/common/ieee754_float/ReadMe.md
new file mode 100644
index 0000000..1d55a87
--- /dev/null
+++ b/common/ieee754_float/ReadMe.md
@@ -0,0 +1,12 @@
+<!--
+SPDX-FileCopyrightText: 2021 KOLANICH
+SPDX-License-Identifier: Unlicense
+-->
+
+## IEEE 754 floats
+
+These files contain an approximation of Euler number (`2.718281828459045`, as available in `numpy`) serialized into bytes using some formats defined in IEEE 754 / ISO/IEC 60559:2011.
+
+Source: math :).
+
+Generated with [`generate.py`](./generate.py)
diff --git a/common/ieee754_float/f16be.ieee754 b/common/ieee754_float/f16be.ieee754
new file mode 100644
index 0000000000000000000000000000000000000000..9938831c114af97baf3b420d87adec6bcafa1f9f
GIT binary patch
literal 16
XcmZQzsBaed=fJS`M@Yn?-5v}8F#HBb

literal 0
HcmV?d00001

diff --git a/common/ieee754_float/f16be.ieee754.license b/common/ieee754_float/f16be.ieee754.license
new file mode 100644
index 0000000..29eddb3
--- /dev/null
+++ b/common/ieee754_float/f16be.ieee754.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: Uncopyrightable
+SPDX-License-Identifier: Unlicense
diff --git a/common/ieee754_float/f16le.ieee754 b/common/ieee754_float/f16le.ieee754
new file mode 100644
index 0000000000000000000000000000000000000000..b1a5d40d82b8d6837afff943b65023fc461e0701
GIT binary patch
literal 16
XcmZSZ*u5ws<i}bDhi`h#^$ZLEIxq%Z

literal 0
HcmV?d00001

diff --git a/common/ieee754_float/f16le.ieee754.license b/common/ieee754_float/f16le.ieee754.license
new file mode 100644
index 0000000..29eddb3
--- /dev/null
+++ b/common/ieee754_float/f16le.ieee754.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: Uncopyrightable
+SPDX-License-Identifier: Unlicense
diff --git a/common/ieee754_float/f2be.ieee754 b/common/ieee754_float/f2be.ieee754
new file mode 100644
index 0000000..81fc4b6
--- /dev/null
+++ b/common/ieee754_float/f2be.ieee754
@@ -0,0 +1 @@
+Ap
\ No newline at end of file
diff --git a/common/ieee754_float/f2be.ieee754.license b/common/ieee754_float/f2be.ieee754.license
new file mode 100644
index 0000000..29eddb3
--- /dev/null
+++ b/common/ieee754_float/f2be.ieee754.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: Uncopyrightable
+SPDX-License-Identifier: Unlicense
diff --git a/common/ieee754_float/f2le.ieee754 b/common/ieee754_float/f2le.ieee754
new file mode 100644
index 0000000..579cab8
--- /dev/null
+++ b/common/ieee754_float/f2le.ieee754
@@ -0,0 +1 @@
+pA
\ No newline at end of file
diff --git a/common/ieee754_float/f2le.ieee754.license b/common/ieee754_float/f2le.ieee754.license
new file mode 100644
index 0000000..29eddb3
--- /dev/null
+++ b/common/ieee754_float/f2le.ieee754.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: Uncopyrightable
+SPDX-License-Identifier: Unlicense
diff --git a/common/ieee754_float/f4be.ieee754 b/common/ieee754_float/f4be.ieee754
new file mode 100644
index 0000000..6157c99
--- /dev/null
+++ b/common/ieee754_float/f4be.ieee754
@@ -0,0 +1 @@
+@-øT
\ No newline at end of file
diff --git a/common/ieee754_float/f4be.ieee754.license b/common/ieee754_float/f4be.ieee754.license
new file mode 100644
index 0000000..29eddb3
--- /dev/null
+++ b/common/ieee754_float/f4be.ieee754.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: Uncopyrightable
+SPDX-License-Identifier: Unlicense
diff --git a/common/ieee754_float/f4le.ieee754 b/common/ieee754_float/f4le.ieee754
new file mode 100644
index 0000000..5bc2500
--- /dev/null
+++ b/common/ieee754_float/f4le.ieee754
@@ -0,0 +1 @@
+Tø-@
\ No newline at end of file
diff --git a/common/ieee754_float/f4le.ieee754.license b/common/ieee754_float/f4le.ieee754.license
new file mode 100644
index 0000000..29eddb3
--- /dev/null
+++ b/common/ieee754_float/f4le.ieee754.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: Uncopyrightable
+SPDX-License-Identifier: Unlicense
diff --git a/common/ieee754_float/f8be.ieee754 b/common/ieee754_float/f8be.ieee754
new file mode 100644
index 0000000..7b4a2f0
--- /dev/null
+++ b/common/ieee754_float/f8be.ieee754
@@ -0,0 +1,2 @@
+@¿
+‹Wi
\ No newline at end of file
diff --git a/common/ieee754_float/f8be.ieee754.license b/common/ieee754_float/f8be.ieee754.license
new file mode 100644
index 0000000..29eddb3
--- /dev/null
+++ b/common/ieee754_float/f8be.ieee754.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: Uncopyrightable
+SPDX-License-Identifier: Unlicense
diff --git a/common/ieee754_float/f8le.ieee754 b/common/ieee754_float/f8le.ieee754
new file mode 100644
index 0000000..6e6f57f
--- /dev/null
+++ b/common/ieee754_float/f8le.ieee754
@@ -0,0 +1,2 @@
+iW‹
+¿@
\ No newline at end of file
diff --git a/common/ieee754_float/f8le.ieee754.license b/common/ieee754_float/f8le.ieee754.license
new file mode 100644
index 0000000..29eddb3
--- /dev/null
+++ b/common/ieee754_float/f8le.ieee754.license
@@ -0,0 +1,2 @@
+SPDX-FileCopyrightText: Uncopyrightable
+SPDX-License-Identifier: Unlicense
diff --git a/common/ieee754_float/generate.py b/common/ieee754_float/generate.py
new file mode 100755
index 0000000..acbff49
--- /dev/null
+++ b/common/ieee754_float/generate.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python3
+
+from ast import literal_eval
+from io import BytesIO
+from pathlib import Path
+from struct import Struct
+
+import numpy as np
+
+__license__ = "Unlicense"
+
+sizes = (1, 2, 4, 8, 10, 12, 16, 32)
+endians = {
+	"le": "<",
+	"be": ">"
+}
+
+S = Struct("<xxxxxxBB")
+
+vs = {1: Struct("H"), 2: Struct("I")}
+
+
+def genDTypes():
+	for e, eM in endians.items():
+		for s in sizes:
+			fS = "f" + str(s)
+			yield eM + fS, fS + e
+
+
+def main():
+	d = None
+	for t, fn in genDTypes():
+		f = Path(fn + ".ieee754")
+
+		try:
+			a = np.array([np.e], dtype=t)
+		except BaseException as e:
+			pass
+		else:
+			p = 0
+			with BytesIO() as b:
+				np.save(b, a, allow_pickle=False)
+				d = b.getvalue()
+
+			preHeader = d[: S.size]
+			vMajor, vMinor = S.unpack(preHeader)
+			p += S.size
+			headerSizeStruct = vs[vMajor]
+			headerSize = headerSizeStruct.unpack(d[p : p + headerSizeStruct.size])[0]
+			p += headerSizeStruct.size + headerSize
+			actualData = d[p:]
+
+			f.write_bytes(actualData)
+
+
+if __name__ == "__main__":
+	main()