diff options
Diffstat (limited to 'src/backend/utils/adt/numeric.c')
| -rw-r--r-- | src/backend/utils/adt/numeric.c | 59 |
1 files changed, 29 insertions, 30 deletions
diff --git a/src/backend/utils/adt/numeric.c b/src/backend/utils/adt/numeric.c index 6d77c49c123..35b0221b85d 100644 --- a/src/backend/utils/adt/numeric.c +++ b/src/backend/utils/adt/numeric.c @@ -14,7 +14,7 @@ * Copyright (c) 1998-2006, PostgreSQL Global Development Group * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/adt/numeric.c,v 1.95 2006/10/03 21:25:55 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/numeric.c,v 1.96 2006/10/04 00:29:59 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -253,10 +253,10 @@ static double numericvar_to_double_no_overflow(NumericVar *var); static int cmp_numerics(Numeric num1, Numeric num2); static int cmp_var(NumericVar *var1, NumericVar *var2); -static int cmp_var_common(const NumericDigit *var1digits, int var1ndigits, - int var1weight, int var1sign, - const NumericDigit *var2digits, int var2ndigits, - int var2weight, int var2sign); +static int cmp_var_common(const NumericDigit *var1digits, int var1ndigits, + int var1weight, int var1sign, + const NumericDigit *var2digits, int var2ndigits, + int var2weight, int var2sign); static void add_var(NumericVar *var1, NumericVar *var2, NumericVar *result); static void sub_var(NumericVar *var1, NumericVar *var2, NumericVar *result); static void mul_var(NumericVar *var1, NumericVar *var2, NumericVar *result, @@ -278,10 +278,10 @@ static void power_var_int(NumericVar *base, int exp, NumericVar *result, int rscale); static int cmp_abs(NumericVar *var1, NumericVar *var2); -static int cmp_abs_common(const NumericDigit *var1digits, int var1ndigits, - int var1weight, - const NumericDigit *var2digits, int var2ndigits, - int var2weight); +static int cmp_abs_common(const NumericDigit *var1digits, int var1ndigits, + int var1weight, + const NumericDigit *var2digits, int var2ndigits, + int var2weight); static void add_abs(NumericVar *var1, NumericVar *var2, NumericVar *result); static void sub_abs(NumericVar *var1, NumericVar *var2, NumericVar *result); static void round_var(NumericVar *var, int rscale); @@ -2228,9 +2228,8 @@ numeric_stddev_internal(ArrayType *transarray, set_var_from_num(N, &vN); /* - * Sample stddev and variance are undefined when N <= 1; - * population stddev is undefined when N == 0. Return NULL in - * either case. + * Sample stddev and variance are undefined when N <= 1; population stddev + * is undefined when N == 0. Return NULL in either case. */ if (sample) comp = &const_one; @@ -2257,7 +2256,7 @@ numeric_stddev_internal(ArrayType *transarray, mul_var(&vsumX, &vsumX, &vsumX, rscale); /* vsumX = sumX * sumX */ mul_var(&vN, &vsumX2, &vsumX2, rscale); /* vsumX2 = N * sumX2 */ - sub_var(&vsumX2, &vsumX, &vsumX2); /* N * sumX2 - sumX * sumX */ + sub_var(&vsumX2, &vsumX, &vsumX2); /* N * sumX2 - sumX * sumX */ if (cmp_var(&vsumX2, &const_zero) <= 0) { @@ -2266,11 +2265,11 @@ numeric_stddev_internal(ArrayType *transarray, } else { - mul_var(&vN, &vNminus1, &vNminus1, 0); /* N * (N - 1) */ + mul_var(&vN, &vNminus1, &vNminus1, 0); /* N * (N - 1) */ rscale = select_div_scale(&vsumX2, &vNminus1); - div_var(&vsumX2, &vNminus1, &vsumX, rscale, true); /* variance */ + div_var(&vsumX2, &vNminus1, &vsumX, rscale, true); /* variance */ if (!variance) - sqrt_var(&vsumX, &vsumX, rscale); /* stddev */ + sqrt_var(&vsumX, &vsumX, rscale); /* stddev */ res = make_result(&vsumX); } @@ -2286,8 +2285,8 @@ numeric_stddev_internal(ArrayType *transarray, Datum numeric_var_samp(PG_FUNCTION_ARGS) { - Numeric res; - bool is_null; + Numeric res; + bool is_null; res = numeric_stddev_internal(PG_GETARG_ARRAYTYPE_P(0), true, true, &is_null); @@ -2301,8 +2300,8 @@ numeric_var_samp(PG_FUNCTION_ARGS) Datum numeric_stddev_samp(PG_FUNCTION_ARGS) { - Numeric res; - bool is_null; + Numeric res; + bool is_null; res = numeric_stddev_internal(PG_GETARG_ARRAYTYPE_P(0), false, true, &is_null); @@ -2316,8 +2315,8 @@ numeric_stddev_samp(PG_FUNCTION_ARGS) Datum numeric_var_pop(PG_FUNCTION_ARGS) { - Numeric res; - bool is_null; + Numeric res; + bool is_null; res = numeric_stddev_internal(PG_GETARG_ARRAYTYPE_P(0), true, false, &is_null); @@ -2331,8 +2330,8 @@ numeric_var_pop(PG_FUNCTION_ARGS) Datum numeric_stddev_pop(PG_FUNCTION_ARGS) { - Numeric res; - bool is_null; + Numeric res; + bool is_null; res = numeric_stddev_internal(PG_GETARG_ARRAYTYPE_P(0), false, false, &is_null); @@ -3219,7 +3218,7 @@ apply_typmod(NumericVar *var, int32 typmod) errmsg("numeric field overflow"), errdetail("A field with precision %d, scale %d must round to an absolute value less than %s%d.", precision, scale, - /* Display 10^0 as 1 */ + /* Display 10^0 as 1 */ maxdigits ? "10^" : "", maxdigits ? maxdigits : 1 ))); @@ -3415,8 +3414,8 @@ cmp_var(NumericVar *var1, NumericVar *var2) /* * cmp_var_common() - * - * Main routine of cmp_var(). This function can be used by both - * NumericVar and Numeric. + * Main routine of cmp_var(). This function can be used by both + * NumericVar and Numeric. */ static int cmp_var_common(const NumericDigit *var1digits, int var1ndigits, @@ -4853,13 +4852,13 @@ cmp_abs(NumericVar *var1, NumericVar *var2) /* ---------- * cmp_abs_common() - * - * Main routine of cmp_abs(). This function can be used by both - * NumericVar and Numeric. + * Main routine of cmp_abs(). This function can be used by both + * NumericVar and Numeric. * ---------- */ static int cmp_abs_common(const NumericDigit *var1digits, int var1ndigits, int var1weight, - const NumericDigit *var2digits, int var2ndigits, int var2weight) + const NumericDigit *var2digits, int var2ndigits, int var2weight) { int i1 = 0; int i2 = 0; |