ilusha/pbrt-v4
1
0
Fork 0
mirror of https://github.com/mmp/pbrt-v4 synced 2026-09-26 16:20:07 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions 18

replace Riemann sum computation in SpectrumToPhotometric() with InnerProduct()

Browse source
This commit is contained in:
Wentao Liu 2023-10-17 10:45:00 +08:00
parent b5be145843
commit 84634b94c2
1 changed files with 1 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/pbrt/util/spectrum.cpp
View file

@ -43,11 +43,7 @@ Float SpectrumToPhotometric(Spectrum s) {
if (s.Is<RGBIlluminantSpectrum>())
s = s.Cast<RGBIlluminantSpectrum>()->Illuminant();
Float y = 0;
for (Float lambda = Lambda_min; lambda <= Lambda_max; ++lambda)
y += Spectra::Y()(lambda) * s(lambda);
return y;
return InnerProduct(&Spectra::Y(), s);
}
XYZ SpectrumToXYZ(Spectrum s) {