Searched refs:rsqrt (Results 1 – 3 of 3) sorted by relevance
1128 rg_cov *= astc::rsqrt(rr_var * gg_var); in prepare_block_statistics()1129 rb_cov *= astc::rsqrt(rr_var * bb_var); in prepare_block_statistics()1130 ra_cov *= astc::rsqrt(rr_var * aa_var); in prepare_block_statistics()1131 gb_cov *= astc::rsqrt(gg_var * bb_var); in prepare_block_statistics()1132 ga_cov *= astc::rsqrt(gg_var * aa_var); in prepare_block_statistics()1133 ba_cov *= astc::rsqrt(bb_var * aa_var); in prepare_block_statistics()
361 static inline float rsqrt(float v) in rsqrt() function
703 // SSE scalar reciprocal sqrt using rsqrt op, plus one Newton-Rhaphson iteration