JVM_SOFTFP_LINKAGE jlong jvm_doubleToLongBits(jdouble x) {
jlong bits = double_bits(x);
if ((bits & JVM_LL(0x7FFFFFFFFFFFFFFF)) >= JVM_LL(0x43E0000000000000)) {
if ((bits >= D_L_POS_NAN && bits <= D_H_POS_NAN) ||
(bits >= D_L_NEG_NAN && bits <= D_H_NEG_NAN)) {
bits = D_JUST_NAN;
}
}
return bits;
}
// -----------------------------------------------------------------------------
// Outputs a character on the display, using the given font and style
//
uint8_t lcd_put_char(FONT_P font, uint8_t style, char character)
{
int8_t i;
uint8_t row = 0; // current row of char
uint8_t hc = (style & DOUBLE_HEIGHT) ? 1 : 0; // height change
uint8_t wc = (style & DOUBLE_WIDTH) ? 1 : 0; // width change
uint8_t ul = (style & UNDERLINE) ? 0x80 : 0x00; // underline
uint8_t inv = (style & INVERT) ? 0xFF : 0; // inverted
uint8_t tmp;
// load information about character
uint8_t char_width = font_get_char_width(font, character);
uint8_t font_height = font_get_height_bytes(font);
uint8_t free_space = font_get_add_space(font, character);
PGM_P tableposition = font_get_char_position(font, character);
// final size of character
uint8_t char_final_width = (uint8_t)(char_width + free_space) << wc;
uint8_t char_final_height = (uint8_t)font_height << hc;
// check for avail. space on display
if ((style & WRAP) && (LCD_CURRENT_COL() + char_final_width > LCD_WIDTH)) {
LCD_MOVE_TO(LCD_CURRENT_PAGE() + char_final_height, 0);
if (character == ' ') {
return 0;
}
}
// write chracter
do {
for (i = (row >> hc); i < char_width / font_height; i += font_height) {
tmp = pgm_read_byte(tableposition + i);
if (row == char_final_height - 1) {
tmp |= ul;
}
if (hc) {
tmp = double_bits((row & 1), tmp);
}
if (inv) {
tmp = ~tmp;
}
LCD_WRITE(tmp);
if (wc) {
LCD_WRITE(tmp);
}
}
if (free_space) {
uint8_t c = inv;
if (row == char_final_height - 1) {
c ^= ul;
if (hc) {
c ^= ul >> 1;
}
}
LCD_WRITE(c);
if (wc) {
LCD_WRITE(c);
}
}
LCD_MOVE(1, -char_final_width);
} while (++row < char_final_height);
