示例#1
0
文件： ext_bcmath.cpp 项目： bjori/hhvm 
static Variant HHVM_FUNCTION(bcpowmod, const String& left, const String& right,
                             const String& modulus, int64_t scale /* = -1 */) {
  if (scale < 0) scale = BCG(bc_precision);
  bc_num first, second, mod, result;
  bc_init_num(&first);
  bc_init_num(&second);
  bc_init_num(&mod);
  bc_init_num(&result);
  SCOPE_EXIT {
    bc_free_num(&first);
    bc_free_num(&second);
    bc_free_num(&mod);
    bc_free_num(&result);
  };
  php_str2num(&first, (char*)left.data());
  php_str2num(&second, (char*)right.data());
  php_str2num(&mod, (char*)modulus.data());
  if (bc_raisemod(first, second, mod, &result, scale) == -1) {
    return false;
  }
  if (result->n_scale > scale) {
    result->n_scale = scale;
  }
  String ret(bc_num2str(result), AttachString);
  return ret;
}
示例#2
0
static Variant HHVM_FUNCTION(bcmod, const String& left, const String& right) {
  bc_num first, second, result;
  bc_init_num(&first);
  bc_init_num(&second);
  bc_init_num(&result);
  php_str2num(&first, (char*)left.data());
  php_str2num(&second, (char*)right.data());
  if (bc_modulo(first, second, &result, 0) == -1) {
    raise_warning("Division by zero");
    return Variant();
  }
  String ret(bc_num2str(result), AttachString);
  bc_free_num(&first);
  bc_free_num(&second);
  bc_free_num(&result);
  return ret;
}
示例#3
0
String f_bcmod(CStrRef left, CStrRef right) {
  bc_num first, second, result;
  bc_init_num(&first);
  bc_init_num(&second);
  bc_init_num(&result);
  php_str2num(&first, (char*)left.data());
  php_str2num(&second, (char*)right.data());
  if (bc_modulo(first, second, &result, 0) == -1) {
    Logger::Warning("Division by zero");
    return String();
  }
  String ret(bc_num2str(result), AttachString);
  bc_free_num(&first);
  bc_free_num(&second);
  bc_free_num(&result);
  return ret;
}
示例#4
0
String f_bcsub(CStrRef left, CStrRef right, int64 scale /* = -1 */) {
  if (scale < 0) scale = BCG(bc_precision);
  bc_num first, second, result;
  bc_init_num(&first);
  bc_init_num(&second);
  bc_init_num(&result);
  php_str2num(&first, (char*)left.data());
  php_str2num(&second, (char*)right.data());
  bc_sub(first, second, &result, scale);
  if (result->n_scale > scale) {
    result->n_scale = scale;
  }
  String ret(bc_num2str(result), AttachString);
  bc_free_num(&first);
  bc_free_num(&second);
  bc_free_num(&result);
  return ret;
}
示例#5
0
String f_bcdiv(CStrRef left, CStrRef right, int64 scale /* = -1 */) {
  if (scale < 0) scale = BCG(bc_precision);
  bc_num first, second, result;
  bc_init_num(&first);
  bc_init_num(&second);
  bc_init_num(&result);
  php_str2num(&first, (char*)left.data());
  php_str2num(&second, (char*)right.data());
  if (bc_divide(first, second, &result, scale) == -1) {
    Logger::Warning("Division by zero");
    return String();
  }
  String ret(bc_num2str(result), AttachString);
  bc_free_num(&first);
  bc_free_num(&second);
  bc_free_num(&result);
  return ret;
}
示例#6
0
static String HHVM_FUNCTION(bcsub, const String& left, const String& right,
                            int64_t scale /* = -1 */) {
  if (scale < 0) scale = BCG(bc_precision);
  bc_num first, second, result;
  bc_init_num(&first);
  bc_init_num(&second);
  bc_init_num(&result);
  php_str2num(&first, (char*)left.data());
  php_str2num(&second, (char*)right.data());
  bc_sub(first, second, &result, scale);
  if (result->n_scale > scale) {
    result->n_scale = scale;
  }
  String ret(bc_num2str(result), AttachString);
  bc_free_num(&first);
  bc_free_num(&second);
  bc_free_num(&result);
  return ret;
}
示例#7
0
static Variant HHVM_FUNCTION(bcdiv, const String& left, const String& right,
               int64_t scale /* = -1 */) {
  if (scale < 0) scale = BCG(bc_precision);
  bc_num first, second, result;
  bc_init_num(&first);
  bc_init_num(&second);
  bc_init_num(&result);
  php_str2num(&first, (char*)left.data());
  php_str2num(&second, (char*)right.data());
  if (bc_divide(first, second, &result, scale) == -1) {
    raise_warning("Division by zero");
    return Variant();
  }
  String ret(bc_num2str(result), AttachString);
  bc_free_num(&first);
  bc_free_num(&second);
  bc_free_num(&result);
  return ret;
}
示例#8
0
Variant f_bcpowmod(CStrRef left, CStrRef right, CStrRef modulus,
                  int64 scale /* = -1 */) {
  if (scale < 0) scale = BCG(bc_precision);
  bc_num first, second, mod, result;
  bc_init_num(&first);
  bc_init_num(&second);
  bc_init_num(&mod);
  bc_init_num(&result);
  php_str2num(&first, (char*)left.data());
  php_str2num(&second, (char*)right.data());
  php_str2num(&mod, (char*)modulus.data());
  if (bc_raisemod(first, second, mod, &result, scale) == -1) {
    return false;
  }
  if (result->n_scale > scale) {
    result->n_scale = scale;
  }
  String ret(bc_num2str(result), AttachString);
  bc_free_num(&first);
  bc_free_num(&second);
  bc_free_num(&mod);
  bc_free_num(&result);
  return ret;
}
示例#9
0
Variant f_bcsqrt(CStrRef operand, int64 scale /* = -1 */) {
  if (scale < 0) scale = BCG(bc_precision);
  bc_num result;
  bc_init_num(&result);
  php_str2num(&result, (char*)operand.data());
  Variant ret;
  if (bc_sqrt(&result, scale) != 0) {
    if (result->n_scale > scale) {
      result->n_scale = scale;
    }
    ret = String(bc_num2str(result), AttachString);
  } else {
    Logger::Warning("Square root of negative number");
  }
  bc_free_num(&result);
  return ret;
}
示例#10
0
static Variant HHVM_FUNCTION(bcsqrt, const String& operand,
                             int64_t scale /* = -1 */) {
  if (scale < 0) scale = BCG(bc_precision);
  bc_num result;
  bc_init_num(&result);
  php_str2num(&result, (char*)operand.data());
  Variant ret;
  if (bc_sqrt(&result, scale) != 0) {
    if (result->n_scale > scale) {
      result->n_scale = scale;
    }
    ret = String(bc_num2str(result), AttachString);
  } else {
    raise_warning("Square root of negative number");
  }
  bc_free_num(&result);
  return ret;
}