clampGamutDrives()

void fl::anonymous_namespace{gamut_map.cpp.hpp}::clampGamutDrives

(

i32(&)

drives[3]

)

Clamp drives into [0, 1].

The accepted candidate is already in range up to the rounding of the last inverse transform, which can leave a drive a few ULP outside. Clamping makes the postcondition exact rather than nearly true.

Definition at line 91 of file gamut_map.cpp.hpp.

                                                     {
    for (int i = 0; i < 3; ++i) {
        if (drives[i] < 0) {
            drives[i] = 0;
        } else if (drives[i] > kGamutFullDrive) {
            drives[i] = kGamutFullDrive;
        }
    }
}

References clampGamutDrives(), fl::FL_NO_EXCEPT, and kGamutFullDrive.

Referenced by clampGamutDrives().

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