diff options
Diffstat (limited to 'src/backend/utils/adt/numeric.c')
| -rw-r--r-- | src/backend/utils/adt/numeric.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/src/backend/utils/adt/numeric.c b/src/backend/utils/adt/numeric.c index 8a69a936dc1..fb2e16ee53f 100644 --- a/src/backend/utils/adt/numeric.c +++ b/src/backend/utils/adt/numeric.c @@ -14,7 +14,7 @@ * Copyright (c) 1998-2005, PostgreSQL Global Development Group * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/utils/adt/numeric.c,v 1.87 2005/11/17 22:14:53 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/utils/adt/numeric.c,v 1.88 2005/11/22 18:17:23 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -348,8 +348,8 @@ numeric_out(PG_FUNCTION_ARGS) /* * Get the number in the variable format. * - * Even if we didn't need to change format, we'd still need to copy the value - * to have a modifiable copy for rounding. set_var_from_num() also + * Even if we didn't need to change format, we'd still need to copy the + * value to have a modifiable copy for rounding. set_var_from_num() also * guarantees there is extra digit space in case we produce a carry out * from rounding. */ @@ -459,7 +459,7 @@ numeric_send(PG_FUNCTION_ARGS) * scale of the attribute have to be applied on the value. */ Datum -numeric(PG_FUNCTION_ARGS) +numeric (PG_FUNCTION_ARGS) { Numeric num = PG_GETARG_NUMERIC(0); int32 typmod = PG_GETARG_INT32(1); @@ -2961,10 +2961,10 @@ get_str_from_var(NumericVar *var, int dscale) /* * Allocate space for the result. * - * i is set to to # of decimal digits before decimal point. dscale is the # - * of decimal digits we will print after decimal point. We may generate as - * many as DEC_DIGITS-1 excess digits at the end, and in addition we need - * room for sign, decimal point, null terminator. + * i is set to to # of decimal digits before decimal point. dscale is the + * # of decimal digits we will print after decimal point. We may generate + * as many as DEC_DIGITS-1 excess digits at the end, and in addition we + * need room for sign, decimal point, null terminator. */ i = (var->weight + 1) * DEC_DIGITS; if (i <= 0) @@ -3901,12 +3901,12 @@ div_var(NumericVar *var1, NumericVar *var2, NumericVar *result, * INT_MAX is noticeably larger than NBASE*NBASE, this gives us headroom * to avoid normalizing carries immediately. * - * We start with div[] containing one zero digit followed by the 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 care of any - * mistaken quotient digits. + * We start with div[] containing one zero digit followed by the + * 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 + * care of any mistaken quotient digits. */ div = (int *) palloc0((div_ndigits + 1) * sizeof(int)); for (i = 0; i < var1ndigits; i++) @@ -4433,8 +4433,8 @@ exp_var_internal(NumericVar *arg, NumericVar *result, int rscale) * * exp(x) = 1 + x + x^2/2! + x^3/3! + ... * - * Given the limited range of x, this should converge reasonably quickly. We - * run the series until the terms fall below the local_rscale limit. + * Given the limited range of x, this should converge reasonably quickly. + * We run the series until the terms fall below the local_rscale limit. */ add_var(&const_one, &x, result); set_var_from_var(&x, &xpow); @@ -4522,11 +4522,11 @@ ln_var(NumericVar *arg, NumericVar *result, int rscale) * * z + z^3/3 + z^5/5 + ... * - * where z = (x-1)/(x+1) is in the range (approximately) -0.053 .. 0.048 due - * to the above range-reduction of x. + * where z = (x-1)/(x+1) is in the range (approximately) -0.053 .. 0.048 + * due to the above range-reduction of x. * - * The convergence of this is not as fast as one would like, but is tolerable - * given that z is small. + * The convergence of this is not as fast as one would like, but is + * tolerable given that z is small. */ sub_var(&x, &const_one, result); add_var(&x, &const_one, &elem); |