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add writeFloat() and writeDouble()

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This commit is contained in:
Volker Berlin 2017-04-09 11:56:22 +02:00
parent cbb9d58d6e
commit 20ddb355a9
1 changed files with 46 additions and 4 deletions
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50
src/de/inetsoftware/jwebassembly/binary/WasmOutputStream.java
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@ -54,10 +54,10 @@ class WasmOutputStream extends FilterOutputStream {
* if an I/O error occurs.
*/
void writeInt32( int value ) throws IOException {
write( (value >>> 0) & 0xFF );
write( (value >>> 8) & 0xFF );
write( (value >>> 16) & 0xFF );
write( (value >>> 24) & 0xFF );
write( value >>> 0 );
write( value >>> 8 );
write( value >>> 16 );
write( value >>> 24 );
}
/**
@ -105,6 +105,48 @@ class WasmOutputStream extends FilterOutputStream {
}
}
/**
* Write an float value.
*
* @param value
* the value
* @throws IOException
* if an I/O error occurs.
*/
void writeFloat( float value ) throws IOException {
int i = Float.floatToIntBits( value );
writeInt( i );
}
/**
* Write an integer value as big endian (ever 4 bytes).
*
* @param value
* the value
* @throws IOException
* if an I/O error occurs.
*/
void writeInt( int value ) throws IOException {
write( value >>> 24 );
write( value >>> 16 );
write( value >>> 8 );
write( value >>> 0 );
}
/**
* Write an double value.
*
* @param value
* the value
* @throws IOException
* if an I/O error occurs.
*/
void writeDouble( double value ) throws IOException {
long l = Double.doubleToLongBits(value);
writeInt( (int)(l >>> l) );
writeInt( (int)l );
}
/**
* Write a section with header and data.
*