aboutsummaryrefslogtreecommitdiff
path: root/node_modules/@webassemblyjs/ieee754/esm
diff options
context:
space:
mode:
authorruki <waruqi@gmail.com>2018-11-08 00:38:48 +0800
committerruki <waruqi@gmail.com>2018-11-07 21:53:09 +0800
commit26105034da4fcce7ac883c899d781f016559310d (patch)
treec459a5dc4e3aa0972d9919033ece511ce76dd129 /node_modules/@webassemblyjs/ieee754/esm
parent2c77f00f1a7ecb6c8192f9c16d3b2001b254a107 (diff)
downloadxmake-docs-26105034da4fcce7ac883c899d781f016559310d.tar.gz
xmake-docs-26105034da4fcce7ac883c899d781f016559310d.zip
switch to vuepress
Diffstat (limited to 'node_modules/@webassemblyjs/ieee754/esm')
-rw-r--r--node_modules/@webassemblyjs/ieee754/esm/index.js33
1 files changed, 33 insertions, 0 deletions
diff --git a/node_modules/@webassemblyjs/ieee754/esm/index.js b/node_modules/@webassemblyjs/ieee754/esm/index.js
new file mode 100644
index 00000000..88d9d4c9
--- /dev/null
+++ b/node_modules/@webassemblyjs/ieee754/esm/index.js
@@ -0,0 +1,33 @@
+import { write, read } from "@xtuc/ieee754";
+/**
+ * According to https://webassembly.github.io/spec/binary/values.html#binary-float
+ * n = 32/8
+ */
+
+export var NUMBER_OF_BYTE_F32 = 4;
+/**
+ * According to https://webassembly.github.io/spec/binary/values.html#binary-float
+ * n = 64/8
+ */
+
+export var NUMBER_OF_BYTE_F64 = 8;
+export var SINGLE_PRECISION_MANTISSA = 23;
+export var DOUBLE_PRECISION_MANTISSA = 52;
+export function encodeF32(v) {
+ var buffer = [];
+ write(buffer, v, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
+ return buffer;
+}
+export function encodeF64(v) {
+ var buffer = [];
+ write(buffer, v, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
+ return buffer;
+}
+export function decodeF32(bytes) {
+ var buffer = Buffer.from(bytes);
+ return read(buffer, 0, true, SINGLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F32);
+}
+export function decodeF64(bytes) {
+ var buffer = Buffer.from(bytes);
+ return read(buffer, 0, true, DOUBLE_PRECISION_MANTISSA, NUMBER_OF_BYTE_F64);
+} \ No newline at end of file