From 2cfac2b7cba728c3b0da5d3caa3579f59ed1e6d4 Mon Sep 17 00:00:00 2001
From: Fredrik Johansson <fredrik.johansson@gmail.com>
Date: Fri, 21 Sep 2012 13:52:39 +0200
Subject: [PATCH] refactor into more fmpr helper functions

---
 doc/fmpr.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/doc/fmpr.txt b/doc/fmpr.txt
index f1c52b27..7a5561ce 100644
--- a/doc/fmpr.txt
+++ b/doc/fmpr.txt
@@ -294,6 +294,13 @@ void fmpr_get_fmpz_2exp(fmpz_t man, fmpz_t exp, const fmpr_t x);
     If x is zero, both man and exp are set to zero. If x is infinite or NaN,
     the result is undefined.
 
+int fmpr_get_fmpz_fixed_fmpz(fmpz_t y, const fmpr_t x, const fmpz_t e)
+
+int fmpr_get_fmpz_fixed_si(fmpz_t y, const fmpr_t x, long e)
+
+    Converts x to a mantissa with predetermined exponent, i.e. computes
+    an integer y such that $y \times 2^e \approx x$, truncating if necessary.
+    Returns 0 if exact and 1 if truncation occurred.
 
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