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authorBruce Momjian <bruce@momjian.us>2014-05-06 12:12:18 -0400
committerBruce Momjian <bruce@momjian.us>2014-05-06 12:12:18 -0400
commit0a7832005792fa6dad171f9cadb8d587fe0dd800 (patch)
tree365cfc42c521a52607e41394b08ef44d338d8fc1 /src/backend/utils/adt/numeric.c
parentfb85cd4320414c3f6e9c8bc69ec944200ae1e493 (diff)
downloadpostgresql-0a7832005792fa6dad171f9cadb8d587fe0dd800.tar.gz
postgresql-0a7832005792fa6dad171f9cadb8d587fe0dd800.zip
pgindent run for 9.4
This includes removing tabs after periods in C comments, which was applied to back branches, so this change should not effect backpatching.
Diffstat (limited to 'src/backend/utils/adt/numeric.c')
-rw-r--r--src/backend/utils/adt/numeric.c63
1 files changed, 32 insertions, 31 deletions
diff --git a/src/backend/utils/adt/numeric.c b/src/backend/utils/adt/numeric.c
index bf4f29d14d7..19d0bdcbb98 100644
--- a/src/backend/utils/adt/numeric.c
+++ b/src/backend/utils/adt/numeric.c
@@ -50,7 +50,7 @@
* Numeric values are represented in a base-NBASE floating point format.
* Each "digit" ranges from 0 to NBASE-1. The type NumericDigit is signed
* and wide enough to store a digit. We assume that NBASE*NBASE can fit in
- * an int. Although the purely calculational routines could handle any even
+ * an int. Although the purely calculational routines could handle any even
* NBASE that's less than sqrt(INT_MAX), in practice we are only interested
* in NBASE a power of ten, so that I/O conversions and decimal rounding
* are easy. Also, it's actually more efficient if NBASE is rather less than
@@ -95,11 +95,11 @@ typedef int16 NumericDigit;
* If the high bits of the first word of a NumericChoice (n_header, or
* n_short.n_header, or n_long.n_sign_dscale) are NUMERIC_SHORT, then the
* numeric follows the NumericShort format; if they are NUMERIC_POS or
- * NUMERIC_NEG, it follows the NumericLong format. If they are NUMERIC_NAN,
+ * NUMERIC_NEG, it follows the NumericLong format. If they are NUMERIC_NAN,
* it is a NaN. We currently always store a NaN using just two bytes (i.e.
* only n_header), but previous releases used only the NumericLong format,
* so we might find 4-byte NaNs on disk if a database has been migrated using
- * pg_upgrade. In either case, when the high bits indicate a NaN, the
+ * pg_upgrade. In either case, when the high bits indicate a NaN, the
* remaining bits are never examined. Currently, we always initialize these
* to zero, but it might be possible to use them for some other purpose in
* the future.
@@ -207,19 +207,19 @@ struct NumericData
: ((n)->choice.n_long.n_weight))
/* ----------
- * NumericVar is the format we use for arithmetic. The digit-array part
+ * NumericVar is the format we use for arithmetic. The digit-array part
* is the same as the NumericData storage format, but the header is more
* complex.
*
* The value represented by a NumericVar is determined by the sign, weight,
* ndigits, and digits[] array.
* Note: the first digit of a NumericVar's value is assumed to be multiplied
- * by NBASE ** weight. Another way to say it is that there are weight+1
+ * by NBASE ** weight. Another way to say it is that there are weight+1
* digits before the decimal point. It is possible to have weight < 0.
*
* buf points at the physical start of the palloc'd digit buffer for the
- * NumericVar. digits points at the first digit in actual use (the one
- * with the specified weight). We normally leave an unused digit or two
+ * NumericVar. digits points at the first digit in actual use (the one
+ * with the specified weight). We normally leave an unused digit or two
* (preset to zeroes) between buf and digits, so that there is room to store
* a carry out of the top digit without reallocating space. We just need to
* decrement digits (and increment weight) to make room for the carry digit.
@@ -596,7 +596,7 @@ numeric_maximum_size(int32 typmod)
* In most cases, the size of a numeric will be smaller than the value
* computed below, because the varlena header will typically get toasted
* down to a single byte before being stored on disk, and it may also be
- * possible to use a short numeric header. But our job here is to compute
+ * possible to use a short numeric header. But our job here is to compute
* the worst case.
*/
return NUMERIC_HDRSZ + (numeric_digits * sizeof(NumericDigit));
@@ -636,7 +636,8 @@ numeric_normalize(Numeric num)
{
NumericVar x;
char *str;
- int orig, last;
+ int orig,
+ last;
/*
* Handle NaN
@@ -754,7 +755,7 @@ numeric_send(PG_FUNCTION_ARGS)
*
* Flatten calls to numeric's length coercion function that solely represent
* increases in allowable precision. Scale changes mutate every datum, so
- * they are unoptimizable. Some values, e.g. 1E-1001, can only fit into an
+ * they are unoptimizable. Some values, e.g. 1E-1001, can only fit into an
* unconstrained numeric, so a change from an unconstrained numeric to any
* constrained numeric is also unoptimizable.
*/
@@ -784,7 +785,7 @@ numeric_transform(PG_FUNCTION_ARGS)
* If new_typmod < VARHDRSZ, the destination is unconstrained; that's
* always OK. If old_typmod >= VARHDRSZ, the source is constrained,
* and we're OK if the scale is unchanged and the precision is not
- * decreasing. See further notes in function header comment.
+ * decreasing. See further notes in function header comment.
*/
if (new_typmod < (int32) VARHDRSZ ||
(old_typmod >= (int32) VARHDRSZ &&
@@ -996,7 +997,7 @@ numeric_uminus(PG_FUNCTION_ARGS)
/*
* The packed format is known to be totally zero digit trimmed always. So
- * we can identify a ZERO by the fact that there are no digits at all. Do
+ * we can identify a ZERO by the fact that there are no digits at all. Do
* nothing to a zero.
*/
if (NUMERIC_NDIGITS(num) != 0)
@@ -1972,7 +1973,7 @@ numeric_sqrt(PG_FUNCTION_ARGS)
PG_RETURN_NUMERIC(make_result(&const_nan));
/*
- * Unpack the argument and determine the result scale. We choose a scale
+ * Unpack the argument and determine the result scale. We choose a scale
* to give at least NUMERIC_MIN_SIG_DIGITS significant digits; but in any
* case not less than the input's dscale.
*/
@@ -2023,7 +2024,7 @@ numeric_exp(PG_FUNCTION_ARGS)
PG_RETURN_NUMERIC(make_result(&const_nan));
/*
- * Unpack the argument and determine the result scale. We choose a scale
+ * Unpack the argument and determine the result scale. We choose a scale
* to give at least NUMERIC_MIN_SIG_DIGITS significant digits; but in any
* case not less than the input's dscale.
*/
@@ -2517,7 +2518,7 @@ typedef struct NumericAggState
NumericVar sumX; /* sum of processed numbers */
NumericVar sumX2; /* sum of squares of processed numbers */
int maxScale; /* maximum scale seen so far */
- int64 maxScaleCount; /* number of values seen with maximum scale */
+ int64 maxScaleCount; /* number of values seen with maximum scale */
int64 NaNcount; /* count of NaN values (not included in N!) */
} NumericAggState;
@@ -2652,8 +2653,8 @@ do_numeric_discard(NumericAggState *state, Numeric newval)
if (state->maxScaleCount > 1 || state->maxScale == 0)
{
/*
- * Some remaining inputs have same dscale, or dscale hasn't
- * gotten above zero anyway
+ * Some remaining inputs have same dscale, or dscale hasn't gotten
+ * above zero anyway
*/
state->maxScaleCount--;
}
@@ -2767,9 +2768,9 @@ numeric_accum_inv(PG_FUNCTION_ARGS)
/*
* Integer data types all use Numeric accumulators to share code and
- * avoid risk of overflow. For int2 and int4 inputs, Numeric accumulation
+ * avoid risk of overflow. For int2 and int4 inputs, Numeric accumulation
* is overkill for the N and sum(X) values, but definitely not overkill
- * for the sum(X*X) value. Hence, we use int2_accum and int4_accum only
+ * for the sum(X*X) value. Hence, we use int2_accum and int4_accum only
* for stddev/variance --- there are faster special-purpose accumulator
* routines for SUM and AVG of these datatypes.
*/
@@ -2965,7 +2966,7 @@ numeric_avg(PG_FUNCTION_ARGS)
if (state == NULL || (state->N + state->NaNcount) == 0)
PG_RETURN_NULL();
- if (state->NaNcount > 0) /* there was at least one NaN input */
+ if (state->NaNcount > 0) /* there was at least one NaN input */
PG_RETURN_NUMERIC(make_result(&const_nan));
N_datum = DirectFunctionCall1(int8_numeric, Int64GetDatum(state->N));
@@ -2985,7 +2986,7 @@ numeric_sum(PG_FUNCTION_ARGS)
if (state == NULL || (state->N + state->NaNcount) == 0)
PG_RETURN_NULL();
- if (state->NaNcount > 0) /* there was at least one NaN input */
+ if (state->NaNcount > 0) /* there was at least one NaN input */
PG_RETURN_NUMERIC(make_result(&const_nan));
PG_RETURN_NUMERIC(make_result(&(state->sumX)));
@@ -3167,7 +3168,7 @@ numeric_stddev_pop(PG_FUNCTION_ARGS)
* the initial condition of the transition data value needs to be NULL. This
* means we can't rely on ExecAgg to automatically insert the first non-null
* data value into the transition data: it doesn't know how to do the type
- * conversion. The upshot is that these routines have to be marked non-strict
+ * conversion. The upshot is that these routines have to be marked non-strict
* and handle substitution of the first non-null input themselves.
*
* Note: these functions are used only in plain aggregation mode.
@@ -3653,7 +3654,7 @@ set_var_from_str(const char *str, const char *cp, NumericVar *dest)
/*
* We first parse the string to extract decimal digits and determine the
- * correct decimal weight. Then convert to NBASE representation.
+ * correct decimal weight. Then convert to NBASE representation.
*/
switch (*cp)
{
@@ -4261,7 +4262,7 @@ apply_typmod(NumericVar *var, int32 typmod)
/*
* Convert numeric to int8, rounding if needed.
*
- * If overflow, return FALSE (no error is raised). Return TRUE if okay.
+ * If overflow, return FALSE (no error is raised). Return TRUE if okay.
*/
static bool
numericvar_to_int8(NumericVar *var, int64 *result)
@@ -4732,7 +4733,7 @@ sub_var(NumericVar *var1, NumericVar *var2, NumericVar *result)
* mul_var() -
*
* Multiplication on variable level. Product of var1 * var2 is stored
- * in result. Result is rounded to no more than rscale fractional digits.
+ * in result. Result is rounded to no more than rscale fractional digits.
*/
static void
mul_var(NumericVar *var1, NumericVar *var2, NumericVar *result,
@@ -4776,7 +4777,7 @@ mul_var(NumericVar *var1, NumericVar *var2, NumericVar *result,
/*
* Determine number of result digits to compute. If the exact result
* would have more than rscale fractional digits, truncate the computation
- * with MUL_GUARD_DIGITS guard digits. We do that by pretending that one
+ * with MUL_GUARD_DIGITS guard digits. We do that by pretending that one
* or both inputs have fewer digits than they really do.
*/
res_ndigits = var1ndigits + var2ndigits + 1;
@@ -5019,7 +5020,7 @@ div_var(NumericVar *var1, NumericVar *var2, NumericVar *result,
*
* We need the first divisor digit to be >= NBASE/2. If it isn't,
* make it so by scaling up both the divisor and dividend by the
- * factor "d". (The reason for allocating dividend[0] above is to
+ * factor "d". (The reason for allocating dividend[0] above is to
* leave room for possible carry here.)
*/
if (divisor[1] < HALF_NBASE)
@@ -5063,7 +5064,7 @@ div_var(NumericVar *var1, NumericVar *var2, NumericVar *result,
/*
* If next2digits are 0, then quotient digit must be 0 and there's
- * no need to adjust the working dividend. It's worth testing
+ * no need to adjust the working dividend. It's worth testing
* here to fall out ASAP when processing trailing zeroes in a
* dividend.
*/
@@ -5081,7 +5082,7 @@ div_var(NumericVar *var1, NumericVar *var2, NumericVar *result,
/*
* Adjust quotient digit if it's too large. Knuth proves that
* after this step, the quotient digit will be either correct or
- * just one too large. (Note: it's OK to use dividend[j+2] here
+ * just one too large. (Note: it's OK to use dividend[j+2] here
* because we know the divisor length is at least 2.)
*/
while (divisor2 * qhat >
@@ -5256,7 +5257,7 @@ div_var_fast(NumericVar *var1, NumericVar *var2, NumericVar *result,
* dividend's digits (plus appended zeroes to reach the desired precision
* including guard digits). Each step of the main loop computes an
* (approximate) quotient digit and stores it into div[], removing one
- * position of dividend space. A final pass of carry propagation takes
+ * position of dividend space. A final pass of carry propagation takes
* care of any mistaken quotient digits.
*/
div = (int *) palloc0((div_ndigits + 1) * sizeof(int));
@@ -6106,7 +6107,7 @@ power_var_int(NumericVar *base, int exp, NumericVar *result, int rscale)
/*
* The general case repeatedly multiplies base according to the bit
- * pattern of exp. We do the multiplications with some extra precision.
+ * pattern of exp. We do the multiplications with some extra precision.
*/
neg = (exp < 0);
exp = Abs(exp);