Java Code Examples for org.mozilla.javascript.v8dtoa.FastDtoa#numberToString()

The following examples show how to use org.mozilla.javascript.v8dtoa.FastDtoa#numberToString() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ScriptRuntime.java    From JsDroidCmd with Mozilla Public License 2.0 5 votes vote down vote up 
public static String numberToString(double d, int base) {
    if ((base < 2) || (base > 36)) {
        throw Context.reportRuntimeError1(
            "msg.bad.radix", Integer.toString(base));
    }

    if (d != d)
        return "NaN";
    if (d == Double.POSITIVE_INFINITY)
        return "Infinity";
    if (d == Double.NEGATIVE_INFINITY)
        return "-Infinity";
    if (d == 0.0)
        return "0";

    if (base != 10) {
        return DToA.JS_dtobasestr(base, d);
    } else {
        // V8 FastDtoa can't convert all numbers, so try it first but
        // fall back to old DToA in case it fails
        String result = FastDtoa.numberToString(d);
        if (result != null) {
            return result;
        }
        StringBuilder buffer = new StringBuilder();
        DToA.JS_dtostr(buffer, DToA.DTOSTR_STANDARD, 0, d);
        return buffer.toString();
    }

}
Example 2
Source File: ScriptRuntime.java    From astor with GNU General Public License v2.0 5 votes vote down vote up 
public static String numberToString(double d, int base) {
    if (d != d)
        return "NaN";
    if (d == Double.POSITIVE_INFINITY)
        return "Infinity";
    if (d == Double.NEGATIVE_INFINITY)
        return "-Infinity";
    if (d == 0.0)
        return "0";

    if ((base < 2) || (base > 36)) {
        throw Context.reportRuntimeError1(
            "msg.bad.radix", Integer.toString(base));
    }

    if (base != 10) {
        return DToA.JS_dtobasestr(base, d);
    } else {
        // V8 FastDtoa can't convert all numbers, so try it first but
        // fall back to old DToA in case it fails
        String result = FastDtoa.numberToString(d);
        if (result != null) {
            return result;
        }
        StringBuilder buffer = new StringBuilder();
        DToA.JS_dtostr(buffer, DToA.DTOSTR_STANDARD, 0, d);
        return buffer.toString();
    }

}
Example 3
Source File: AbstractOperations.java    From es6draft with MIT License 5 votes vote down vote up 
private static String ToStringSlow(double value) {
    // call DToA for general number-to-string
    String result = FastDtoa.numberToString(value);
    if (result != null) {
        return result;
    }
    StringBuilder buffer = new StringBuilder();
    DToA.JS_dtostr(buffer, DToA.DTOSTR_STANDARD, 0, value);
    return buffer.toString();
}