Examples with StringMemory php.runtime.memory.StringMemory used on opensource projects

Example 31 with StringMemory

use of php.runtime.memory.StringMemory in project jphp by jphp-compiler.

the class BCMathFunctions method bcmod.

public static Memory bcmod(Memory left, Memory modus) {
    BigDecimal base = toBigDecimal(left).setScale(0, RoundingMode.DOWN);
    BigDecimal mod = toBigDecimal(modus).setScale(0, RoundingMode.DOWN);
    if (mod.compareTo(BigDecimal.ZERO) == 0) {
        return Memory.NULL;
    }
    return new StringMemory(base.remainder(mod, MathContext.UNLIMITED).toString());
}

Example 32 with StringMemory

use of php.runtime.memory.StringMemory in project jphp by jphp-compiler.

the class BCMathFunctions method bcmul.

public static Memory bcmul(Environment env, Memory left, Memory right, int scale) {
    BigDecimal bd1 = toBigDecimal(left);
    BigDecimal bd2 = toBigDecimal(right);
    BigDecimal bd = bd1.multiply(bd2);
    // odd php special case for 0, scale is ignored:
    if (bd.compareTo(BigDecimal.ZERO) == 0) {
        if (scale > 0)
            return new StringMemory("0.0");
        else
            return new StringMemory("0");
    }
    bd = bd.setScale(scale, RoundingMode.DOWN);
    bd = bd.stripTrailingZeros();
    return new StringMemory(bd.toPlainString());
}

Example 33 with StringMemory

use of php.runtime.memory.StringMemory in project jphp by jphp-compiler.

the class BCMathFunctions method bcsqrt.

public static Memory bcsqrt(Environment env, Memory operand, int scale) {
    BigDecimal value = toBigDecimal(operand);
    int compareToZero = value.compareTo(BigDecimal.ZERO);
    if (compareToZero < 0) {
        return Memory.NULL;
    } else if (compareToZero == 0) {
        return new StringMemory("0");
    }
    int compareToOne = value.compareTo(BigDecimal.ONE);
    if (compareToOne == 0)
        return new StringMemory("1");
    int cscale;
    BigDecimal initialGuess;
    if (compareToOne < 1) {
        initialGuess = BigDecimal.ONE;
        cscale = value.scale();
    } else {
        BigInteger integerPart = value.toBigInteger();
        int length = integerPart.toString().length();
        if ((length % 2) == 0)
            length--;
        length /= 2;
        initialGuess = BigDecimal.ONE.movePointRight(length);
        cscale = Math.max(scale, value.scale()) + 2;
    }
    BigDecimal guess = initialGuess;
    BigDecimal lastGuess;
    for (int iteration = 0; iteration < 50; iteration++) {
        lastGuess = guess;
        guess = value.divide(guess, cscale, RoundingMode.DOWN);
        guess = guess.add(lastGuess);
        guess = guess.divide(DECIMAL_TWO, cscale, RoundingMode.DOWN);
        if (lastGuess.equals(guess)) {
            break;
        }
    }
    value = guess;
    value = value.setScale(scale, RoundingMode.DOWN);
    return new StringMemory(value.toPlainString());
}

Example 34 with StringMemory

use of php.runtime.memory.StringMemory in project jphp by jphp-compiler.

the class ReflectionClass method setEntity.

public ReflectionClass setEntity(ClassEntity entity) {
    this.entity = entity;
    getProperties().put("name", new StringMemory(entity.getName()));
    return this;
}

Example 35 with StringMemory

use of php.runtime.memory.StringMemory in project jphp by jphp-compiler.

the class ReflectionExtension method setExtension.

public void setExtension(Extension extension) {
    this.extension = extension;
    getProperties().put("name", new StringMemory(extension.getName()));
}