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1.1 ! root 1: .TH FREXP 3 "19 January 1983" ! 2: .SH NAME ! 3: frexp, ldexp, modf \- split into mantissa and exponent ! 4: .SH SYNOPSIS ! 5: .nf ! 6: .B double frexp(value, eptr) ! 7: .B double value; ! 8: .B int *eptr; ! 9: .PP ! 10: .B double ldexp(value, exp) ! 11: .B double value; ! 12: .PP ! 13: .B double modf(value, iptr) ! 14: .B double value, *iptr; ! 15: .SH DESCRIPTION ! 16: .I Frexp ! 17: returns the mantissa of a double ! 18: .I value ! 19: as a double quantity, ! 20: .I x, ! 21: of magnitude less than 1 ! 22: and stores an integer ! 23: .I n ! 24: such that ! 25: .I value ! 26: = ! 27: \fIx\fP\|\(**\|2\u\fIn\fP\d ! 28: indirectly through ! 29: .I eptr. ! 30: .PP ! 31: .I Ldexp ! 32: returns the quantity ! 33: \fIvalue\|\(**\|2\u\fIexp\fP\d. ! 34: .PP ! 35: .I Modf ! 36: returns the positive fractional part of ! 37: .I value ! 38: and stores the integer part indirectly ! 39: through ! 40: .I iptr.
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