Function RepeatNormalizedAddressFn

test_common/harness/imageHelpers.cpp:671–682

// space! hence the special case here
volatile float gFloatHome;
float RepeatNormalizedAddressFn(float fValue, size_t maxValue)
{
#ifndef _MSC_VER // Use original if not the VS compiler.
    // General computation for repeat
    return (fValue - floorf(fValue)) * (float)maxValue; // Reduce to [0, 1.f]
#else // Otherwise, use this instead:
    // Home the subtraction to a float to break up the sequence of x87
    // instructions emitted by the VS compiler.
    gFloatHome = fValue - floorf(fValue);
    return gFloatHome * (float)maxValue;
#endif
}

float MirroredRepeatNormalizedAddressFn(float fValue, size_t maxValue)
{