Returns a cached power of 10 `c_k = c_k.f * pow(2, c_k.e)` such that its (binary) exponent satisfies `min_exponent <= c_k.e <= min_exponent + 28`.

* @brief Get the default alpha value for endpoints that don't store it. * * The default depends on whether the alpha endpoint is LDR or HDR. *

See header for documentation. */

Returns population standard deviation

Call getenv and save a copy in buf */

* @brief Unpack an HDR RGB direct encoding. * * @param input The raw quantized endpoints (packed and modal). * @param quant_level

* @brief Return the horizontal minimum of a vector. */

returns the code. The bit reader must already have been ensured at least 15 bits */

GCC 7 warns when the first line of this function is inlined away into oblivion due to the caller relating depth and iterator depth, which is a desired

GCC 7 warns when the first line of this function is inlined away into oblivion due to the caller relating depth and iterator depth, which is a desired

* Allocates a fresh unused token from the token pull. */

length worth using simd_sqrt?

* @brief Compute the integer linear interpolation of two color endpoints. * * @param decode_mode The ASTC profile (linear or sRGB) * @param color

level

* @brief Convert 16-bit LNS to float16. */

Return the CRC of the bytes buf[0..len-1].*/

read the information from the header and store it in the LodePNGInfo. return value is error*/

static inline int32_t maximumi(int32_t a, int32_t b) { return (a > b) ? a : b; }

static inline uint8_t minimumub(uint8_t a, uint8_t b) { return (a < b) ? a : b; }

Might be easier to use * instead

premul-transform has to do dots

extract next chunk's pinuse bit