47 lines
740 B
Plaintext
47 lines
740 B
Plaintext
:name:fe:r->X:r->Y:r->Z:r->T:t0:t1:t2:t3:t4:t5:p->X:p->Y:p->Z:p->T:q->yplusx:q->yminusx:q->xy2d:
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fe r:var/r=fe:
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enter f:enter/f:>X1=fe#11:>Y1=fe#12:>Z1=fe#13:>T1=fe#14:>ypx2=fe#15:>ymx2=fe#16:>xy2d2=fe#17:
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return:nofallthrough:<X3=fe#1:<Y3=fe#2:<Z3=fe#3:<T3=fe#4:leave:
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h=f+g:<f=fe:<g=fe:>h=fe:asm/fe_add(>h,<f,<g);:
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h=f-g:<f=fe:<g=fe:>h=fe:asm/fe_sub(>h,<f,<g);:
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h=f*g:<f=fe:<g=fe:>h=fe:asm/fe_mul(>h,<f,<g);:
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h=f^2:<f=fe:>h=fe:asm/fe_sq(>h,<f);:
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h=2*g:<g=fe:>h=fe:asm/fe_add(>h,<g,<g);:
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:
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enter ge_madd
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fe X1
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fe Y1
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fe Z1
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fe T1
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fe ypx2
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fe ymx2
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fe xy2d2
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fe X3
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fe Y3
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fe Z3
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fe T3
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fe YpX1
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fe YmX1
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fe A
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fe B
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fe C
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fe D
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YpX1 = Y1+X1
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YmX1 = Y1-X1
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A = YpX1*ypx2
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B = YmX1*ymx2
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C = xy2d2*T1
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D = 2*Z1
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X3 = A-B
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Y3 = A+B
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Z3 = D+C
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T3 = D-C
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return
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