setup for instance traversal using a transformed ray and bottom-level AS

! Checks if this is an barrier. A barrier tells the top level tree rotations how deep to enter the tree. */

When ImGuiInputTextFlags_Password is set, we don't want actions such as CTRL+Arrow to leak the fact that underlying data are blanks or separators.

! loads an image from a file with auto-detection of format */

Performs equivalent check of std::fabs(lhs - rhs) <= margin But without the subtraction to allow for INFINITY in comparison

! Parse optional separator. */

! parse XML tag */

Resize a vector to a smaller size, guaranteed not to cause a reallocation

sets modified flag */

! Sets ID of child. */

Returns the number of stored line segments */

Returns the number of stored line segments */

! returns the number of time segments of this primref */

! returns number of threads of the thread pool */

delete characters while updating undo

combined JPEG 'receive' and JPEG 'extend', since baseline always extends everything it receives.

returns 0..31 for the highest set bit

mallocs with size overflow checking

extract an arbitrarily-aligned N-bit value (N=bits) from v, and then make it 8-bits long and fractionally extend it to full full range.

returns STBI_rgb or whatever, 0 on error