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/* See LICENSE file for copyright and license details. */
static inline long double
gamma_ullf(long double t)
{
return GAMMA(long double, powl);
}
static inline double
gamma_ulf(double t)
{
return GAMMA(double, pow);
}
static inline float
gamma_uf(float t)
{
return GAMMA(float, powf);
}
static inline long double
gamma_llf(long double t)
{
return t >= 0 ? gamma_ullf(t) : -gamma_ullf(-t);
}
static inline double
gamma_lf(double t)
{
return t >= 0 ? gamma_ulf(t) : -gamma_ulf(-t);
}
static inline float
gamma_f(float t)
{
return t >= 0 ? gamma_uf(t) : -gamma_uf(-t);
}
static inline uint64_t
gamma_u64(uint64_t t)
{
return (uint64_t)(gamma_ullf((long double)t / UINT64_MAX) * UINT64_MAX);
}
static inline uint32_t
gamma_u32(uint32_t t)
{
return (uint32_t)(gamma_ulf((double)t / UINT32_MAX) * UINT32_MAX);
}
static inline uint16_t
gamma_u16(uint32_t t)
{
return (uint16_t)(gamma_ulf((double)t / UINT16_MAX) * UINT16_MAX);
}
void
FUNCTION_NAME(struct libskrift_image *image, size_t x, size_t y, size_t width, size_t height)
{
struct format_settings settings;
uint8_t *img = image->image;
size_t linesize, psize;
settings = libskrift_format_settings[image->format];
psize = settings.spsize * (size_t)(4 - (settings.apos <= -2));
linesize = (size_t)image->width * psize;
img += y * linesize + x * psize;
width *= psize;
switch (settings.float_type) {
case 0:
switch (settings.spsize) {
case 1:
for (y = 0; y < height; y++, img += linesize) {
for (x = 0; x < width; x += psize) {
((uint8_t *)&img[x])[settings.rpos] = gamma_u8[((uint8_t *)&img[x])[settings.rpos]];
((uint8_t *)&img[x])[settings.gpos] = gamma_u8[((uint8_t *)&img[x])[settings.gpos]];
((uint8_t *)&img[x])[settings.bpos] = gamma_u8[((uint8_t *)&img[x])[settings.bpos]];
}
}
break;
case 2:
for (y = 0; y < height; y++, img += linesize) {
for (x = 0; x < width; x += psize) {
((uint16_t *)&img[x])[settings.rpos] = gamma_u16(((uint16_t *)&img[x])[settings.rpos]);
((uint16_t *)&img[x])[settings.gpos] = gamma_u16(((uint16_t *)&img[x])[settings.gpos]);
((uint16_t *)&img[x])[settings.bpos] = gamma_u16(((uint16_t *)&img[x])[settings.bpos]);
}
}
break;
case 4:
for (y = 0; y < height; y++, img += linesize) {
for (x = 0; x < width; x += psize) {
((uint32_t *)&img[x])[settings.rpos] = gamma_u32(((uint32_t *)&img[x])[settings.rpos]);
((uint32_t *)&img[x])[settings.gpos] = gamma_u32(((uint32_t *)&img[x])[settings.gpos]);
((uint32_t *)&img[x])[settings.bpos] = gamma_u32(((uint32_t *)&img[x])[settings.bpos]);
}
}
break;
default:
for (y = 0; y < height; y++, img += linesize) {
for (x = 0; x < width; x += psize) {
((uint64_t *)&img[x])[settings.rpos] = gamma_u64(((uint64_t *)&img[x])[settings.rpos]);
((uint64_t *)&img[x])[settings.gpos] = gamma_u64(((uint64_t *)&img[x])[settings.gpos]);
((uint64_t *)&img[x])[settings.bpos] = gamma_u64(((uint64_t *)&img[x])[settings.bpos]);
}
}
break;
}
break;
case 1:
for (y = 0; y < height; y++, img += linesize) {
for (x = 0; x < width; x += psize) {
((float *)&img[x])[settings.rpos] = gamma_f(((float *)&img[x])[settings.rpos]);
((float *)&img[x])[settings.gpos] = gamma_f(((float *)&img[x])[settings.gpos]);
((float *)&img[x])[settings.bpos] = gamma_f(((float *)&img[x])[settings.bpos]);
}
}
break;
case 2:
for (y = 0; y < height; y++, img += linesize) {
for (x = 0; x < width; x += psize) {
((double *)&img[x])[settings.rpos] = gamma_lf(((double *)&img[x])[settings.rpos]);
((double *)&img[x])[settings.gpos] = gamma_lf(((double *)&img[x])[settings.gpos]);
((double *)&img[x])[settings.bpos] = gamma_lf(((double *)&img[x])[settings.bpos]);
}
}
break;
default:
for (y = 0; y < height; y++, img += linesize) {
for (x = 0; x < width; x += psize) {
((long double *)&img[x])[settings.rpos] = gamma_llf(((long double *)&img[x])[settings.rpos]);
((long double *)&img[x])[settings.gpos] = gamma_llf(((long double *)&img[x])[settings.gpos]);
((long double *)&img[x])[settings.bpos] = gamma_llf(((long double *)&img[x])[settings.bpos]);
}
}
break;
}
}
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