V7M/src/libc/gen/modf11.s

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/ double modf(x, *fp)
/ double x, *fp;
/ return fractional part
/ stash integer part (as double)

.globl	_modf
.globl	csv, cret
one	= 040200

_modf:
	jsr	r5,csv
	movf	4(r5),fr0
	modf	$one,fr0
	movf	fr1,*12.(r5)
	jmp	cret