- (('fexp2', ('fmul', ('flog2', a), b)), ('fpow', a, b), '!options->lower_fpow'), # 2^(lg2(a)*b) = a^b
- (('fpow', a, 1.0), a),
- (('fpow', a, 2.0), ('fmul', a, a)),
- (('fpow', a, 4.0), ('fmul', ('fmul', a, a), ('fmul', a, a))),
- (('fpow', 2.0, a), ('fexp2', a)),
- (('fpow', ('fpow', a, 2.2), 0.454545), a),
- (('fpow', ('fabs', ('fpow', a, 2.2)), 0.454545), ('fabs', a)),
- (('fsqrt', ('fexp2', a)), ('fexp2', ('fmul', 0.5, a))),
- (('frcp', ('fexp2', a)), ('fexp2', ('fneg', a))),
- (('frsq', ('fexp2', a)), ('fexp2', ('fmul', -0.5, a))),
- (('flog2', ('fsqrt', a)), ('fmul', 0.5, ('flog2', a))),
- (('flog2', ('frcp', a)), ('fneg', ('flog2', a))),
- (('flog2', ('frsq', a)), ('fmul', -0.5, ('flog2', a))),
- (('flog2', ('fpow', a, b)), ('fmul', b, ('flog2', a))),
- (('fadd', ('flog2', a), ('flog2', b)), ('flog2', ('fmul', a, b))),
- (('fadd', ('flog2', a), ('fneg', ('flog2', b))), ('flog2', ('fdiv', a, b))),
- (('fmul', ('fexp2', a), ('fexp2', b)), ('fexp2', ('fadd', a, b))),
+ (('~fexp2', ('fmul', ('flog2', a), b)), ('fpow', a, b), '!options->lower_fpow'), # 2^(lg2(a)*b) = a^b
+ (('~fexp2', ('fadd', ('fmul', ('flog2', a), b), ('fmul', ('flog2', c), d))),
+ ('~fmul', ('fpow', a, b), ('fpow', c, d)), '!options->lower_fpow'), # 2^(lg2(a) * b + lg2(c) + d) = a^b * c^d
+ (('~fpow', a, 1.0), a),
+ (('~fpow', a, 2.0), ('fmul', a, a)),
+ (('~fpow', a, 4.0), ('fmul', ('fmul', a, a), ('fmul', a, a))),
+ (('~fpow', 2.0, a), ('fexp2', a)),
+ (('~fpow', ('fpow', a, 2.2), 0.454545), a),
+ (('~fpow', ('fabs', ('fpow', a, 2.2)), 0.454545), ('fabs', a)),
+ (('~fsqrt', ('fexp2', a)), ('fexp2', ('fmul', 0.5, a))),
+ (('~frcp', ('fexp2', a)), ('fexp2', ('fneg', a))),
+ (('~frsq', ('fexp2', a)), ('fexp2', ('fmul', -0.5, a))),
+ (('~flog2', ('fsqrt', a)), ('fmul', 0.5, ('flog2', a))),
+ (('~flog2', ('frcp', a)), ('fneg', ('flog2', a))),
+ (('~flog2', ('frsq', a)), ('fmul', -0.5, ('flog2', a))),
+ (('~flog2', ('fpow', a, b)), ('fmul', b, ('flog2', a))),
+ (('~fadd', ('flog2', a), ('flog2', b)), ('flog2', ('fmul', a, b))),
+ (('~fadd', ('flog2', a), ('fneg', ('flog2', b))), ('flog2', ('fdiv', a, b))),
+ (('~fmul', ('fexp2', a), ('fexp2', b)), ('fexp2', ('fadd', a, b))),