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/zscilib-3.4.0/src/colorimetry/
Dconv.c902 zsl_real_t a_1; in zsl_clr_conv_uv60_cct_ohno2011() local
926 a_1 = atan((uv->uv60_v - 0.24) / (uv->uv60_u - 0.292)); in zsl_clr_conv_uv60_cct_ohno2011()
927 a = a_1 >= 0.0 ? a_1 : a_1 + M_PI; in zsl_clr_conv_uv60_cct_ohno2011()